mirror of
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ec8e9d4f5b
This is a quick first refactoring to split the tests out of runtime and move runtime-related code to a top-level runtime module. There will be a followup to refactor imports a bit, but this is the major change that will most likely conflict with other work and I want to merge it early.
1252 lines
33 KiB
Rust
1252 lines
33 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use crate::ascii_str;
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use crate::resolve_import;
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use crate::runtime::JsRuntime;
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use crate::runtime::JsRuntimeForSnapshot;
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use crate::RuntimeOptions;
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use crate::Snapshot;
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use deno_ops::op;
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use futures::future::poll_fn;
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use futures::future::FutureExt;
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use parking_lot::Mutex;
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use std::fmt;
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use std::future::Future;
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use std::io;
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use std::path::PathBuf;
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use std::sync::atomic::AtomicUsize;
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use std::sync::atomic::Ordering;
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use std::sync::Arc;
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use super::*;
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// deno_ops macros generate code assuming deno_core in scope.
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mod deno_core {
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pub use crate::*;
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}
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#[derive(Default)]
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struct MockLoader {
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pub loads: Arc<Mutex<Vec<String>>>,
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}
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impl MockLoader {
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fn new() -> Rc<Self> {
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Default::default()
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}
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}
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fn mock_source_code(url: &str) -> Option<(&'static str, &'static str)> {
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const A_SRC: &str = r#"
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import { b } from "/b.js";
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import { c } from "/c.js";
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if (b() != 'b') throw Error();
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if (c() != 'c') throw Error();
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if (!import.meta.main) throw Error();
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if (import.meta.url != 'file:///a.js') throw Error();
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"#;
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const B_SRC: &str = r#"
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import { c } from "/c.js";
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if (c() != 'c') throw Error();
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export function b() { return 'b'; }
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if (import.meta.main) throw Error();
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if (import.meta.url != 'file:///b.js') throw Error();
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"#;
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const C_SRC: &str = r#"
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import { d } from "/d.js";
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export function c() { return 'c'; }
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if (d() != 'd') throw Error();
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if (import.meta.main) throw Error();
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if (import.meta.url != 'file:///c.js') throw Error();
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"#;
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const D_SRC: &str = r#"
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export function d() { return 'd'; }
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if (import.meta.main) throw Error();
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if (import.meta.url != 'file:///d.js') throw Error();
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"#;
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const CIRCULAR1_SRC: &str = r#"
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import "/circular2.js";
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Deno.core.print("circular1");
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"#;
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const CIRCULAR2_SRC: &str = r#"
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import "/circular3.js";
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Deno.core.print("circular2");
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"#;
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const CIRCULAR3_SRC: &str = r#"
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import "/circular1.js";
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import "/circular2.js";
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Deno.core.print("circular3");
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"#;
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const REDIRECT1_SRC: &str = r#"
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import "./redirect2.js";
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Deno.core.print("redirect1");
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"#;
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const REDIRECT2_SRC: &str = r#"
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import "./redirect3.js";
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Deno.core.print("redirect2");
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"#;
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const REDIRECT3_SRC: &str = r#"Deno.core.print("redirect3");"#;
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const MAIN_SRC: &str = r#"
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// never_ready.js never loads.
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import "/never_ready.js";
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// slow.js resolves after one tick.
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import "/slow.js";
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"#;
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const SLOW_SRC: &str = r#"
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// Circular import of never_ready.js
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// Does this trigger two ModuleLoader calls? It shouldn't.
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import "/never_ready.js";
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import "/a.js";
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"#;
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const BAD_IMPORT_SRC: &str = r#"import "foo";"#;
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// (code, real_module_name)
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let spec: Vec<&str> = url.split("file://").collect();
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match spec[1] {
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"/a.js" => Some((A_SRC, "file:///a.js")),
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"/b.js" => Some((B_SRC, "file:///b.js")),
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"/c.js" => Some((C_SRC, "file:///c.js")),
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"/d.js" => Some((D_SRC, "file:///d.js")),
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"/circular1.js" => Some((CIRCULAR1_SRC, "file:///circular1.js")),
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"/circular2.js" => Some((CIRCULAR2_SRC, "file:///circular2.js")),
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"/circular3.js" => Some((CIRCULAR3_SRC, "file:///circular3.js")),
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"/redirect1.js" => Some((REDIRECT1_SRC, "file:///redirect1.js")),
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// pretend redirect - real module name is different than one requested
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"/redirect2.js" => Some((REDIRECT2_SRC, "file:///dir/redirect2.js")),
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"/dir/redirect3.js" => Some((REDIRECT3_SRC, "file:///redirect3.js")),
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"/slow.js" => Some((SLOW_SRC, "file:///slow.js")),
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"/never_ready.js" => {
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Some(("should never be Ready", "file:///never_ready.js"))
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}
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"/main.js" => Some((MAIN_SRC, "file:///main.js")),
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"/bad_import.js" => Some((BAD_IMPORT_SRC, "file:///bad_import.js")),
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// deliberately empty code.
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"/main_with_code.js" => Some(("", "file:///main_with_code.js")),
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_ => None,
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}
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}
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#[derive(Debug, PartialEq)]
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enum MockError {
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ResolveErr,
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LoadErr,
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}
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impl fmt::Display for MockError {
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fn fmt(&self, _f: &mut fmt::Formatter) -> fmt::Result {
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unimplemented!()
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}
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}
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impl std::error::Error for MockError {
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fn cause(&self) -> Option<&dyn std::error::Error> {
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unimplemented!()
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}
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}
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struct DelayedSourceCodeFuture {
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url: String,
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counter: u32,
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}
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impl Future for DelayedSourceCodeFuture {
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type Output = Result<ModuleSource, Error>;
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fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
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let inner = self.get_mut();
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inner.counter += 1;
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if inner.url == "file:///never_ready.js" {
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return Poll::Pending;
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}
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if inner.url == "file:///slow.js" && inner.counter < 2 {
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// TODO(ry) Hopefully in the future we can remove current task
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// notification.
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cx.waker().wake_by_ref();
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return Poll::Pending;
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}
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match mock_source_code(&inner.url) {
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Some(src) => Poll::Ready(Ok(ModuleSource::for_test_with_redirect(
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src.0,
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inner.url.as_str(),
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src.1,
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))),
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None => Poll::Ready(Err(MockError::LoadErr.into())),
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}
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}
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}
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impl ModuleLoader for MockLoader {
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fn resolve(
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&self,
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specifier: &str,
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referrer: &str,
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_kind: ResolutionKind,
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) -> Result<ModuleSpecifier, Error> {
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let referrer = if referrer == "." {
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"file:///"
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} else {
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referrer
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};
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let output_specifier = match resolve_import(specifier, referrer) {
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Ok(specifier) => specifier,
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Err(..) => return Err(MockError::ResolveErr.into()),
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};
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if mock_source_code(output_specifier.as_ref()).is_some() {
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Ok(output_specifier)
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} else {
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Err(MockError::ResolveErr.into())
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}
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}
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fn load(
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&self,
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module_specifier: &ModuleSpecifier,
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_maybe_referrer: Option<&ModuleSpecifier>,
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_is_dyn_import: bool,
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) -> Pin<Box<ModuleSourceFuture>> {
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let mut loads = self.loads.lock();
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loads.push(module_specifier.to_string());
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let url = module_specifier.to_string();
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DelayedSourceCodeFuture { url, counter: 0 }.boxed()
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}
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}
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#[test]
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fn test_recursive_load() {
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let loader = MockLoader::new();
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let loads = loader.loads.clone();
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let mut runtime = JsRuntime::new(RuntimeOptions {
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module_loader: Some(loader),
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..Default::default()
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});
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let spec = resolve_url("file:///a.js").unwrap();
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let a_id_fut = runtime.load_main_module(&spec, None);
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let a_id = futures::executor::block_on(a_id_fut).unwrap();
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#[allow(clippy::let_underscore_future)]
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let _ = runtime.mod_evaluate(a_id);
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futures::executor::block_on(runtime.run_event_loop(false)).unwrap();
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let l = loads.lock();
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assert_eq!(
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l.to_vec(),
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vec![
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"file:///a.js",
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"file:///b.js",
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"file:///c.js",
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"file:///d.js"
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]
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);
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let module_map_rc = runtime.module_map();
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let modules = module_map_rc.borrow();
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assert_eq!(
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modules.get_id("file:///a.js", AssertedModuleType::JavaScriptOrWasm),
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Some(a_id)
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);
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let b_id = modules
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.get_id("file:///b.js", AssertedModuleType::JavaScriptOrWasm)
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.unwrap();
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let c_id = modules
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.get_id("file:///c.js", AssertedModuleType::JavaScriptOrWasm)
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.unwrap();
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let d_id = modules
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.get_id("file:///d.js", AssertedModuleType::JavaScriptOrWasm)
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.unwrap();
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assert_eq!(
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modules.get_requested_modules(a_id),
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Some(&vec![
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ModuleRequest {
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specifier: "file:///b.js".to_string(),
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asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
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},
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ModuleRequest {
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specifier: "file:///c.js".to_string(),
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asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
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},
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])
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);
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assert_eq!(
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modules.get_requested_modules(b_id),
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Some(&vec![ModuleRequest {
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specifier: "file:///c.js".to_string(),
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asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
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},])
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);
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assert_eq!(
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modules.get_requested_modules(c_id),
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Some(&vec![ModuleRequest {
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specifier: "file:///d.js".to_string(),
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asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
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},])
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);
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assert_eq!(modules.get_requested_modules(d_id), Some(&vec![]));
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}
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#[test]
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fn test_mods() {
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#[derive(Default)]
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struct ModsLoader {
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pub count: Arc<AtomicUsize>,
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}
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impl ModuleLoader for ModsLoader {
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fn resolve(
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&self,
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specifier: &str,
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referrer: &str,
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_kind: ResolutionKind,
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) -> Result<ModuleSpecifier, Error> {
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self.count.fetch_add(1, Ordering::Relaxed);
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assert_eq!(specifier, "./b.js");
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assert_eq!(referrer, "file:///a.js");
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let s = resolve_import(specifier, referrer).unwrap();
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Ok(s)
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}
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fn load(
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&self,
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_module_specifier: &ModuleSpecifier,
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_maybe_referrer: Option<&ModuleSpecifier>,
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_is_dyn_import: bool,
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) -> Pin<Box<ModuleSourceFuture>> {
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unreachable!()
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}
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}
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let loader = Rc::new(ModsLoader::default());
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let resolve_count = loader.count.clone();
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static DISPATCH_COUNT: AtomicUsize = AtomicUsize::new(0);
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#[op]
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fn op_test(control: u8) -> u8 {
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DISPATCH_COUNT.fetch_add(1, Ordering::Relaxed);
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assert_eq!(control, 42);
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43
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}
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deno_core::extension!(test_ext, ops = [op_test]);
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let mut runtime = JsRuntime::new(RuntimeOptions {
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extensions: vec![test_ext::init_ops()],
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module_loader: Some(loader),
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..Default::default()
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});
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runtime
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.execute_script_static(
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"setup.js",
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r#"
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function assert(cond) {
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if (!cond) {
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throw Error("assert");
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}
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}
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"#,
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)
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.unwrap();
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assert_eq!(DISPATCH_COUNT.load(Ordering::Relaxed), 0);
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let module_map_rc = runtime.module_map().clone();
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let (mod_a, mod_b) = {
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let scope = &mut runtime.handle_scope();
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let mut module_map = module_map_rc.borrow_mut();
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let specifier_a = ascii_str!("file:///a.js");
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let mod_a = module_map
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.new_es_module(
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scope,
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true,
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specifier_a,
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ascii_str!(
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r#"
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import { b } from './b.js'
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if (b() != 'b') throw Error();
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let control = 42;
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Deno.core.ops.op_test(control);
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"#
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),
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false,
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)
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.unwrap();
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assert_eq!(DISPATCH_COUNT.load(Ordering::Relaxed), 0);
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let imports = module_map.get_requested_modules(mod_a);
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assert_eq!(
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imports,
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Some(&vec![ModuleRequest {
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specifier: "file:///b.js".to_string(),
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asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
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},])
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);
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let mod_b = module_map
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.new_es_module(
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scope,
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false,
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ascii_str!("file:///b.js"),
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ascii_str!("export function b() { return 'b' }"),
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false,
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)
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.unwrap();
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let imports = module_map.get_requested_modules(mod_b).unwrap();
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assert_eq!(imports.len(), 0);
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(mod_a, mod_b)
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};
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runtime.instantiate_module(mod_b).unwrap();
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assert_eq!(DISPATCH_COUNT.load(Ordering::Relaxed), 0);
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assert_eq!(resolve_count.load(Ordering::SeqCst), 1);
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runtime.instantiate_module(mod_a).unwrap();
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assert_eq!(DISPATCH_COUNT.load(Ordering::Relaxed), 0);
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#[allow(clippy::let_underscore_future)]
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let _ = runtime.mod_evaluate(mod_a);
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assert_eq!(DISPATCH_COUNT.load(Ordering::Relaxed), 1);
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}
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#[test]
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fn test_json_module() {
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#[derive(Default)]
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struct ModsLoader {
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pub count: Arc<AtomicUsize>,
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}
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impl ModuleLoader for ModsLoader {
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fn resolve(
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&self,
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specifier: &str,
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referrer: &str,
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_kind: ResolutionKind,
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) -> Result<ModuleSpecifier, Error> {
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self.count.fetch_add(1, Ordering::Relaxed);
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assert_eq!(specifier, "./b.json");
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assert_eq!(referrer, "file:///a.js");
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let s = resolve_import(specifier, referrer).unwrap();
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Ok(s)
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}
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|
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fn load(
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&self,
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_module_specifier: &ModuleSpecifier,
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_maybe_referrer: Option<&ModuleSpecifier>,
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_is_dyn_import: bool,
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|
) -> Pin<Box<ModuleSourceFuture>> {
|
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unreachable!()
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}
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}
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|
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let loader = Rc::new(ModsLoader::default());
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|
|
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let resolve_count = loader.count.clone();
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|
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let mut runtime = JsRuntime::new(RuntimeOptions {
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module_loader: Some(loader),
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..Default::default()
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});
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|
|
runtime
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|
.execute_script_static(
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"setup.js",
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r#"
|
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function assert(cond) {
|
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if (!cond) {
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throw Error("assert");
|
|
}
|
|
}
|
|
"#,
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)
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.unwrap();
|
|
|
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let module_map_rc = runtime.module_map().clone();
|
|
|
|
let (mod_a, mod_b) = {
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let scope = &mut runtime.handle_scope();
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let mut module_map = module_map_rc.borrow_mut();
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let specifier_a = ascii_str!("file:///a.js");
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let mod_a = module_map
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|
.new_es_module(
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scope,
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true,
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specifier_a,
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ascii_str!(
|
|
r#"
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import jsonData from './b.json' assert {type: "json"};
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assert(jsonData.a == "b");
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assert(jsonData.c.d == 10);
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"#
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),
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false,
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)
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.unwrap();
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|
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let imports = module_map.get_requested_modules(mod_a);
|
|
assert_eq!(
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imports,
|
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Some(&vec![ModuleRequest {
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|
specifier: "file:///b.json".to_string(),
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asserted_module_type: AssertedModuleType::Json,
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},])
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);
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let mod_b = module_map
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|
.new_json_module(
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scope,
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ascii_str!("file:///b.json"),
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ascii_str!("{\"a\": \"b\", \"c\": {\"d\": 10}}"),
|
|
)
|
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.unwrap();
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let imports = module_map.get_requested_modules(mod_b).unwrap();
|
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assert_eq!(imports.len(), 0);
|
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(mod_a, mod_b)
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};
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|
|
runtime.instantiate_module(mod_b).unwrap();
|
|
assert_eq!(resolve_count.load(Ordering::SeqCst), 1);
|
|
|
|
runtime.instantiate_module(mod_a).unwrap();
|
|
|
|
let receiver = runtime.mod_evaluate(mod_a);
|
|
futures::executor::block_on(runtime.run_event_loop(false)).unwrap();
|
|
futures::executor::block_on(receiver).unwrap().unwrap();
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn dyn_import_err() {
|
|
#[derive(Clone, Default)]
|
|
struct DynImportErrLoader {
|
|
pub count: Arc<AtomicUsize>,
|
|
}
|
|
|
|
impl ModuleLoader for DynImportErrLoader {
|
|
fn resolve(
|
|
&self,
|
|
specifier: &str,
|
|
referrer: &str,
|
|
_kind: ResolutionKind,
|
|
) -> Result<ModuleSpecifier, Error> {
|
|
self.count.fetch_add(1, Ordering::Relaxed);
|
|
assert_eq!(specifier, "/foo.js");
|
|
assert_eq!(referrer, "file:///dyn_import2.js");
|
|
let s = resolve_import(specifier, referrer).unwrap();
|
|
Ok(s)
|
|
}
|
|
|
|
fn load(
|
|
&self,
|
|
_module_specifier: &ModuleSpecifier,
|
|
_maybe_referrer: Option<&ModuleSpecifier>,
|
|
_is_dyn_import: bool,
|
|
) -> Pin<Box<ModuleSourceFuture>> {
|
|
async { Err(io::Error::from(io::ErrorKind::NotFound).into()) }.boxed()
|
|
}
|
|
}
|
|
|
|
let loader = Rc::new(DynImportErrLoader::default());
|
|
let count = loader.count.clone();
|
|
let mut runtime = JsRuntime::new(RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
});
|
|
|
|
// Test an erroneous dynamic import where the specified module isn't found.
|
|
poll_fn(move |cx| {
|
|
runtime
|
|
.execute_script_static(
|
|
"file:///dyn_import2.js",
|
|
r#"
|
|
(async () => {
|
|
await import("/foo.js");
|
|
})();
|
|
"#,
|
|
)
|
|
.unwrap();
|
|
|
|
// We should get an error here.
|
|
let result = runtime.poll_event_loop(cx, false);
|
|
if let Poll::Ready(Ok(_)) = result {
|
|
unreachable!();
|
|
}
|
|
assert_eq!(count.load(Ordering::Relaxed), 4);
|
|
Poll::Ready(())
|
|
})
|
|
.await;
|
|
}
|
|
|
|
#[derive(Clone, Default)]
|
|
struct DynImportOkLoader {
|
|
pub prepare_load_count: Arc<AtomicUsize>,
|
|
pub resolve_count: Arc<AtomicUsize>,
|
|
pub load_count: Arc<AtomicUsize>,
|
|
}
|
|
|
|
impl ModuleLoader for DynImportOkLoader {
|
|
fn resolve(
|
|
&self,
|
|
specifier: &str,
|
|
referrer: &str,
|
|
_kind: ResolutionKind,
|
|
) -> Result<ModuleSpecifier, Error> {
|
|
let c = self.resolve_count.fetch_add(1, Ordering::Relaxed);
|
|
assert!(c < 7);
|
|
assert_eq!(specifier, "./b.js");
|
|
assert_eq!(referrer, "file:///dyn_import3.js");
|
|
let s = resolve_import(specifier, referrer).unwrap();
|
|
Ok(s)
|
|
}
|
|
|
|
fn load(
|
|
&self,
|
|
specifier: &ModuleSpecifier,
|
|
_maybe_referrer: Option<&ModuleSpecifier>,
|
|
_is_dyn_import: bool,
|
|
) -> Pin<Box<ModuleSourceFuture>> {
|
|
self.load_count.fetch_add(1, Ordering::Relaxed);
|
|
let info =
|
|
ModuleSource::for_test("export function b() { return 'b' }", specifier);
|
|
async move { Ok(info) }.boxed()
|
|
}
|
|
|
|
fn prepare_load(
|
|
&self,
|
|
_module_specifier: &ModuleSpecifier,
|
|
_maybe_referrer: Option<String>,
|
|
_is_dyn_import: bool,
|
|
) -> Pin<Box<dyn Future<Output = Result<(), Error>>>> {
|
|
self.prepare_load_count.fetch_add(1, Ordering::Relaxed);
|
|
async { Ok(()) }.boxed_local()
|
|
}
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn dyn_import_ok() {
|
|
let loader = Rc::new(DynImportOkLoader::default());
|
|
let prepare_load_count = loader.prepare_load_count.clone();
|
|
let resolve_count = loader.resolve_count.clone();
|
|
let load_count = loader.load_count.clone();
|
|
let mut runtime = JsRuntime::new(RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
});
|
|
poll_fn(move |cx| {
|
|
// Dynamically import mod_b
|
|
runtime
|
|
.execute_script_static(
|
|
"file:///dyn_import3.js",
|
|
r#"
|
|
(async () => {
|
|
let mod = await import("./b.js");
|
|
if (mod.b() !== 'b') {
|
|
throw Error("bad1");
|
|
}
|
|
// And again!
|
|
mod = await import("./b.js");
|
|
if (mod.b() !== 'b') {
|
|
throw Error("bad2");
|
|
}
|
|
})();
|
|
"#,
|
|
)
|
|
.unwrap();
|
|
|
|
assert!(matches!(
|
|
runtime.poll_event_loop(cx, false),
|
|
Poll::Ready(Ok(_))
|
|
));
|
|
assert_eq!(prepare_load_count.load(Ordering::Relaxed), 1);
|
|
assert_eq!(resolve_count.load(Ordering::Relaxed), 7);
|
|
assert_eq!(load_count.load(Ordering::Relaxed), 1);
|
|
assert!(matches!(
|
|
runtime.poll_event_loop(cx, false),
|
|
Poll::Ready(Ok(_))
|
|
));
|
|
assert_eq!(resolve_count.load(Ordering::Relaxed), 7);
|
|
assert_eq!(load_count.load(Ordering::Relaxed), 1);
|
|
Poll::Ready(())
|
|
})
|
|
.await;
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn dyn_import_borrow_mut_error() {
|
|
// https://github.com/denoland/deno/issues/6054
|
|
let loader = Rc::new(DynImportOkLoader::default());
|
|
let prepare_load_count = loader.prepare_load_count.clone();
|
|
let mut runtime = JsRuntime::new(RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
});
|
|
|
|
poll_fn(move |cx| {
|
|
runtime
|
|
.execute_script_static(
|
|
"file:///dyn_import3.js",
|
|
r#"
|
|
(async () => {
|
|
let mod = await import("./b.js");
|
|
if (mod.b() !== 'b') {
|
|
throw Error("bad");
|
|
}
|
|
})();
|
|
"#,
|
|
)
|
|
.unwrap();
|
|
// First poll runs `prepare_load` hook.
|
|
let _ = runtime.poll_event_loop(cx, false);
|
|
assert_eq!(prepare_load_count.load(Ordering::Relaxed), 1);
|
|
// Second poll triggers error
|
|
let _ = runtime.poll_event_loop(cx, false);
|
|
Poll::Ready(())
|
|
})
|
|
.await;
|
|
}
|
|
|
|
// Regression test for https://github.com/denoland/deno/issues/3736.
|
|
#[test]
|
|
fn dyn_concurrent_circular_import() {
|
|
#[derive(Clone, Default)]
|
|
struct DynImportCircularLoader {
|
|
pub resolve_count: Arc<AtomicUsize>,
|
|
pub load_count: Arc<AtomicUsize>,
|
|
}
|
|
|
|
impl ModuleLoader for DynImportCircularLoader {
|
|
fn resolve(
|
|
&self,
|
|
specifier: &str,
|
|
referrer: &str,
|
|
_kind: ResolutionKind,
|
|
) -> Result<ModuleSpecifier, Error> {
|
|
self.resolve_count.fetch_add(1, Ordering::Relaxed);
|
|
let s = resolve_import(specifier, referrer).unwrap();
|
|
Ok(s)
|
|
}
|
|
|
|
fn load(
|
|
&self,
|
|
specifier: &ModuleSpecifier,
|
|
_maybe_referrer: Option<&ModuleSpecifier>,
|
|
_is_dyn_import: bool,
|
|
) -> Pin<Box<ModuleSourceFuture>> {
|
|
self.load_count.fetch_add(1, Ordering::Relaxed);
|
|
let filename = PathBuf::from(specifier.to_string())
|
|
.file_name()
|
|
.unwrap()
|
|
.to_string_lossy()
|
|
.to_string();
|
|
let code = match filename.as_str() {
|
|
"a.js" => "import './b.js';",
|
|
"b.js" => "import './c.js';\nimport './a.js';",
|
|
"c.js" => "import './d.js';",
|
|
"d.js" => "// pass",
|
|
_ => unreachable!(),
|
|
};
|
|
let info = ModuleSource::for_test(code, specifier);
|
|
async move { Ok(info) }.boxed()
|
|
}
|
|
}
|
|
|
|
let loader = Rc::new(DynImportCircularLoader::default());
|
|
let mut runtime = JsRuntime::new(RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
});
|
|
|
|
runtime
|
|
.execute_script_static(
|
|
"file:///entry.js",
|
|
"import('./b.js');\nimport('./a.js');",
|
|
)
|
|
.unwrap();
|
|
|
|
let result = futures::executor::block_on(runtime.run_event_loop(false));
|
|
assert!(result.is_ok());
|
|
}
|
|
|
|
#[test]
|
|
fn test_circular_load() {
|
|
let loader = MockLoader::new();
|
|
let loads = loader.loads.clone();
|
|
let mut runtime = JsRuntime::new(RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
});
|
|
|
|
let fut = async move {
|
|
let spec = resolve_url("file:///circular1.js").unwrap();
|
|
let result = runtime.load_main_module(&spec, None).await;
|
|
assert!(result.is_ok());
|
|
let circular1_id = result.unwrap();
|
|
#[allow(clippy::let_underscore_future)]
|
|
let _ = runtime.mod_evaluate(circular1_id);
|
|
runtime.run_event_loop(false).await.unwrap();
|
|
|
|
let l = loads.lock();
|
|
assert_eq!(
|
|
l.to_vec(),
|
|
vec![
|
|
"file:///circular1.js",
|
|
"file:///circular2.js",
|
|
"file:///circular3.js"
|
|
]
|
|
);
|
|
|
|
let module_map_rc = runtime.module_map();
|
|
let modules = module_map_rc.borrow();
|
|
|
|
assert_eq!(
|
|
modules
|
|
.get_id("file:///circular1.js", AssertedModuleType::JavaScriptOrWasm),
|
|
Some(circular1_id)
|
|
);
|
|
let circular2_id = modules
|
|
.get_id("file:///circular2.js", AssertedModuleType::JavaScriptOrWasm)
|
|
.unwrap();
|
|
|
|
assert_eq!(
|
|
modules.get_requested_modules(circular1_id),
|
|
Some(&vec![ModuleRequest {
|
|
specifier: "file:///circular2.js".to_string(),
|
|
asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
|
|
}])
|
|
);
|
|
|
|
assert_eq!(
|
|
modules.get_requested_modules(circular2_id),
|
|
Some(&vec![ModuleRequest {
|
|
specifier: "file:///circular3.js".to_string(),
|
|
asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
|
|
}])
|
|
);
|
|
|
|
assert!(modules
|
|
.get_id("file:///circular3.js", AssertedModuleType::JavaScriptOrWasm)
|
|
.is_some());
|
|
let circular3_id = modules
|
|
.get_id("file:///circular3.js", AssertedModuleType::JavaScriptOrWasm)
|
|
.unwrap();
|
|
assert_eq!(
|
|
modules.get_requested_modules(circular3_id),
|
|
Some(&vec![
|
|
ModuleRequest {
|
|
specifier: "file:///circular1.js".to_string(),
|
|
asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
|
|
},
|
|
ModuleRequest {
|
|
specifier: "file:///circular2.js".to_string(),
|
|
asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
|
|
}
|
|
])
|
|
);
|
|
}
|
|
.boxed_local();
|
|
|
|
futures::executor::block_on(fut);
|
|
}
|
|
|
|
#[test]
|
|
fn test_redirect_load() {
|
|
let loader = MockLoader::new();
|
|
let loads = loader.loads.clone();
|
|
let mut runtime = JsRuntime::new(RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
});
|
|
|
|
let fut = async move {
|
|
let spec = resolve_url("file:///redirect1.js").unwrap();
|
|
let result = runtime.load_main_module(&spec, None).await;
|
|
assert!(result.is_ok());
|
|
let redirect1_id = result.unwrap();
|
|
#[allow(clippy::let_underscore_future)]
|
|
let _ = runtime.mod_evaluate(redirect1_id);
|
|
runtime.run_event_loop(false).await.unwrap();
|
|
let l = loads.lock();
|
|
assert_eq!(
|
|
l.to_vec(),
|
|
vec![
|
|
"file:///redirect1.js",
|
|
"file:///redirect2.js",
|
|
"file:///dir/redirect3.js"
|
|
]
|
|
);
|
|
|
|
let module_map_rc = runtime.module_map();
|
|
let modules = module_map_rc.borrow();
|
|
|
|
assert_eq!(
|
|
modules
|
|
.get_id("file:///redirect1.js", AssertedModuleType::JavaScriptOrWasm),
|
|
Some(redirect1_id)
|
|
);
|
|
|
|
let redirect2_id = modules
|
|
.get_id(
|
|
"file:///dir/redirect2.js",
|
|
AssertedModuleType::JavaScriptOrWasm,
|
|
)
|
|
.unwrap();
|
|
assert!(modules
|
|
.is_alias("file:///redirect2.js", AssertedModuleType::JavaScriptOrWasm));
|
|
assert!(!modules.is_alias(
|
|
"file:///dir/redirect2.js",
|
|
AssertedModuleType::JavaScriptOrWasm
|
|
));
|
|
assert_eq!(
|
|
modules
|
|
.get_id("file:///redirect2.js", AssertedModuleType::JavaScriptOrWasm),
|
|
Some(redirect2_id)
|
|
);
|
|
|
|
let redirect3_id = modules
|
|
.get_id("file:///redirect3.js", AssertedModuleType::JavaScriptOrWasm)
|
|
.unwrap();
|
|
assert!(modules.is_alias(
|
|
"file:///dir/redirect3.js",
|
|
AssertedModuleType::JavaScriptOrWasm
|
|
));
|
|
assert!(!modules
|
|
.is_alias("file:///redirect3.js", AssertedModuleType::JavaScriptOrWasm));
|
|
assert_eq!(
|
|
modules.get_id(
|
|
"file:///dir/redirect3.js",
|
|
AssertedModuleType::JavaScriptOrWasm
|
|
),
|
|
Some(redirect3_id)
|
|
);
|
|
}
|
|
.boxed_local();
|
|
|
|
futures::executor::block_on(fut);
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn slow_never_ready_modules() {
|
|
let loader = MockLoader::new();
|
|
let loads = loader.loads.clone();
|
|
let mut runtime = JsRuntime::new(RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
});
|
|
|
|
poll_fn(move |cx| {
|
|
let spec = resolve_url("file:///main.js").unwrap();
|
|
let mut recursive_load =
|
|
runtime.load_main_module(&spec, None).boxed_local();
|
|
|
|
let result = recursive_load.poll_unpin(cx);
|
|
assert!(result.is_pending());
|
|
|
|
// TODO(ry) Arguably the first time we poll only the following modules
|
|
// should be loaded:
|
|
// "file:///main.js",
|
|
// "file:///never_ready.js",
|
|
// "file:///slow.js"
|
|
// But due to current task notification in DelayedSourceCodeFuture they
|
|
// all get loaded in a single poll.
|
|
|
|
for _ in 0..10 {
|
|
let result = recursive_load.poll_unpin(cx);
|
|
assert!(result.is_pending());
|
|
let l = loads.lock();
|
|
assert_eq!(
|
|
l.to_vec(),
|
|
vec![
|
|
"file:///main.js",
|
|
"file:///never_ready.js",
|
|
"file:///slow.js",
|
|
"file:///a.js",
|
|
"file:///b.js",
|
|
"file:///c.js",
|
|
"file:///d.js"
|
|
]
|
|
);
|
|
}
|
|
Poll::Ready(())
|
|
})
|
|
.await;
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn loader_disappears_after_error() {
|
|
let loader = MockLoader::new();
|
|
let mut runtime = JsRuntime::new(RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
});
|
|
|
|
let spec = resolve_url("file:///bad_import.js").unwrap();
|
|
let result = runtime.load_main_module(&spec, None).await;
|
|
let err = result.unwrap_err();
|
|
assert_eq!(
|
|
err.downcast_ref::<MockError>().unwrap(),
|
|
&MockError::ResolveErr
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn recursive_load_main_with_code() {
|
|
const MAIN_WITH_CODE_SRC: FastString = ascii_str!(
|
|
r#"
|
|
import { b } from "/b.js";
|
|
import { c } from "/c.js";
|
|
if (b() != 'b') throw Error();
|
|
if (c() != 'c') throw Error();
|
|
if (!import.meta.main) throw Error();
|
|
if (import.meta.url != 'file:///main_with_code.js') throw Error();
|
|
"#
|
|
);
|
|
|
|
let loader = MockLoader::new();
|
|
let loads = loader.loads.clone();
|
|
let mut runtime = JsRuntime::new(RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
});
|
|
// In default resolution code should be empty.
|
|
// Instead we explicitly pass in our own code.
|
|
// The behavior should be very similar to /a.js.
|
|
let spec = resolve_url("file:///main_with_code.js").unwrap();
|
|
let main_id_fut = runtime
|
|
.load_main_module(&spec, Some(MAIN_WITH_CODE_SRC))
|
|
.boxed_local();
|
|
let main_id = futures::executor::block_on(main_id_fut).unwrap();
|
|
|
|
#[allow(clippy::let_underscore_future)]
|
|
let _ = runtime.mod_evaluate(main_id);
|
|
futures::executor::block_on(runtime.run_event_loop(false)).unwrap();
|
|
|
|
let l = loads.lock();
|
|
assert_eq!(
|
|
l.to_vec(),
|
|
vec!["file:///b.js", "file:///c.js", "file:///d.js"]
|
|
);
|
|
|
|
let module_map_rc = runtime.module_map();
|
|
let modules = module_map_rc.borrow();
|
|
|
|
assert_eq!(
|
|
modules.get_id(
|
|
"file:///main_with_code.js",
|
|
AssertedModuleType::JavaScriptOrWasm
|
|
),
|
|
Some(main_id)
|
|
);
|
|
let b_id = modules
|
|
.get_id("file:///b.js", AssertedModuleType::JavaScriptOrWasm)
|
|
.unwrap();
|
|
let c_id = modules
|
|
.get_id("file:///c.js", AssertedModuleType::JavaScriptOrWasm)
|
|
.unwrap();
|
|
let d_id = modules
|
|
.get_id("file:///d.js", AssertedModuleType::JavaScriptOrWasm)
|
|
.unwrap();
|
|
|
|
assert_eq!(
|
|
modules.get_requested_modules(main_id),
|
|
Some(&vec![
|
|
ModuleRequest {
|
|
specifier: "file:///b.js".to_string(),
|
|
asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
|
|
},
|
|
ModuleRequest {
|
|
specifier: "file:///c.js".to_string(),
|
|
asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
|
|
}
|
|
])
|
|
);
|
|
assert_eq!(
|
|
modules.get_requested_modules(b_id),
|
|
Some(&vec![ModuleRequest {
|
|
specifier: "file:///c.js".to_string(),
|
|
asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
|
|
}])
|
|
);
|
|
assert_eq!(
|
|
modules.get_requested_modules(c_id),
|
|
Some(&vec![ModuleRequest {
|
|
specifier: "file:///d.js".to_string(),
|
|
asserted_module_type: AssertedModuleType::JavaScriptOrWasm,
|
|
}])
|
|
);
|
|
assert_eq!(modules.get_requested_modules(d_id), Some(&vec![]));
|
|
}
|
|
|
|
#[test]
|
|
fn main_and_side_module() {
|
|
struct ModsLoader {}
|
|
|
|
let main_specifier = resolve_url("file:///main_module.js").unwrap();
|
|
let side_specifier = resolve_url("file:///side_module.js").unwrap();
|
|
|
|
impl ModuleLoader for ModsLoader {
|
|
fn resolve(
|
|
&self,
|
|
specifier: &str,
|
|
referrer: &str,
|
|
_kind: ResolutionKind,
|
|
) -> Result<ModuleSpecifier, Error> {
|
|
let s = resolve_import(specifier, referrer).unwrap();
|
|
Ok(s)
|
|
}
|
|
|
|
fn load(
|
|
&self,
|
|
module_specifier: &ModuleSpecifier,
|
|
_maybe_referrer: Option<&ModuleSpecifier>,
|
|
_is_dyn_import: bool,
|
|
) -> Pin<Box<ModuleSourceFuture>> {
|
|
let module_source = match module_specifier.as_str() {
|
|
"file:///main_module.js" => ModuleSource::for_test(
|
|
"if (!import.meta.main) throw Error();",
|
|
"file:///main_module.js",
|
|
),
|
|
"file:///side_module.js" => ModuleSource::for_test(
|
|
"if (import.meta.main) throw Error();",
|
|
"file:///side_module.js",
|
|
),
|
|
_ => unreachable!(),
|
|
};
|
|
async move { Ok(module_source) }.boxed()
|
|
}
|
|
}
|
|
|
|
let loader = Rc::new(ModsLoader {});
|
|
let mut runtime = JsRuntime::new(RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
});
|
|
|
|
let main_id_fut = runtime
|
|
.load_main_module(&main_specifier, None)
|
|
.boxed_local();
|
|
let main_id = futures::executor::block_on(main_id_fut).unwrap();
|
|
|
|
#[allow(clippy::let_underscore_future)]
|
|
let _ = runtime.mod_evaluate(main_id);
|
|
futures::executor::block_on(runtime.run_event_loop(false)).unwrap();
|
|
|
|
// Try to add another main module - it should error.
|
|
let side_id_fut = runtime
|
|
.load_main_module(&side_specifier, None)
|
|
.boxed_local();
|
|
futures::executor::block_on(side_id_fut).unwrap_err();
|
|
|
|
// And now try to load it as a side module
|
|
let side_id_fut = runtime
|
|
.load_side_module(&side_specifier, None)
|
|
.boxed_local();
|
|
let side_id = futures::executor::block_on(side_id_fut).unwrap();
|
|
|
|
#[allow(clippy::let_underscore_future)]
|
|
let _ = runtime.mod_evaluate(side_id);
|
|
futures::executor::block_on(runtime.run_event_loop(false)).unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn dynamic_imports_snapshot() {
|
|
//TODO: Once the issue with the ModuleNamespaceEntryGetter is fixed, we can maintain a reference to the module
|
|
// and use it when loading the snapshot
|
|
let snapshot = {
|
|
const MAIN_WITH_CODE_SRC: FastString = ascii_str!(
|
|
r#"
|
|
await import("./b.js");
|
|
"#
|
|
);
|
|
|
|
let loader = MockLoader::new();
|
|
let mut runtime = JsRuntimeForSnapshot::new(
|
|
RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
},
|
|
Default::default(),
|
|
);
|
|
// In default resolution code should be empty.
|
|
// Instead we explicitly pass in our own code.
|
|
// The behavior should be very similar to /a.js.
|
|
let spec = resolve_url("file:///main_with_code.js").unwrap();
|
|
let main_id_fut = runtime
|
|
.load_main_module(&spec, Some(MAIN_WITH_CODE_SRC))
|
|
.boxed_local();
|
|
let main_id = futures::executor::block_on(main_id_fut).unwrap();
|
|
|
|
#[allow(clippy::let_underscore_future)]
|
|
let _ = runtime.mod_evaluate(main_id);
|
|
futures::executor::block_on(runtime.run_event_loop(false)).unwrap();
|
|
runtime.snapshot()
|
|
};
|
|
|
|
let snapshot = Snapshot::JustCreated(snapshot);
|
|
let mut runtime2 = JsRuntime::new(RuntimeOptions {
|
|
startup_snapshot: Some(snapshot),
|
|
..Default::default()
|
|
});
|
|
|
|
//Evaluate the snapshot with an empty function
|
|
runtime2.execute_script_static("check.js", "true").unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn import_meta_snapshot() {
|
|
let snapshot = {
|
|
const MAIN_WITH_CODE_SRC: ModuleCode = ascii_str!(
|
|
r#"
|
|
if (import.meta.url != 'file:///main_with_code.js') throw Error();
|
|
globalThis.meta = import.meta;
|
|
globalThis.url = import.meta.url;
|
|
"#
|
|
);
|
|
|
|
let loader = MockLoader::new();
|
|
let mut runtime = JsRuntimeForSnapshot::new(
|
|
RuntimeOptions {
|
|
module_loader: Some(loader),
|
|
..Default::default()
|
|
},
|
|
Default::default(),
|
|
);
|
|
// In default resolution code should be empty.
|
|
// Instead we explicitly pass in our own code.
|
|
// The behavior should be very similar to /a.js.
|
|
let spec = resolve_url("file:///main_with_code.js").unwrap();
|
|
let main_id_fut = runtime
|
|
.load_main_module(&spec, Some(MAIN_WITH_CODE_SRC))
|
|
.boxed_local();
|
|
let main_id = futures::executor::block_on(main_id_fut).unwrap();
|
|
|
|
#[allow(clippy::let_underscore_future)]
|
|
let _ = runtime.mod_evaluate(main_id);
|
|
futures::executor::block_on(runtime.run_event_loop(false)).unwrap();
|
|
runtime.snapshot()
|
|
};
|
|
|
|
let snapshot = Snapshot::JustCreated(snapshot);
|
|
let mut runtime2 = JsRuntime::new(RuntimeOptions {
|
|
startup_snapshot: Some(snapshot),
|
|
..Default::default()
|
|
});
|
|
|
|
runtime2
|
|
.execute_script_static(
|
|
"check.js",
|
|
"if (globalThis.url !== 'file:///main_with_code.js') throw Error('x')",
|
|
)
|
|
.unwrap();
|
|
}
|