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https://github.com/denoland/deno.git
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79 lines
2.1 KiB
Rust
79 lines
2.1 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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// TODO(ry) Make this file test-only. Somehow it's very difficult to export
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// methods to tests/integration_tests.rs if this is enabled...
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// #![cfg(test)]
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use std::path::PathBuf;
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use std::process::Child;
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use std::process::Command;
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use std::process::Stdio;
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use std::sync::Mutex;
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use std::sync::MutexGuard;
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lazy_static! {
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static ref GUARD: Mutex<()> = Mutex::new(());
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}
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pub fn root_path() -> PathBuf {
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PathBuf::from(concat!(env!("CARGO_MANIFEST_DIR"), "/.."))
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}
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pub fn target_dir() -> PathBuf {
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let current_exe = std::env::current_exe().unwrap();
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let target_dir = current_exe.parent().unwrap().parent().unwrap();
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println!("target_dir {}", target_dir.display());
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target_dir.into()
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}
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pub fn deno_exe_path() -> PathBuf {
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// Something like /Users/rld/src/deno/target/debug/deps/deno
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let mut p = target_dir().join("deno");
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if cfg!(windows) {
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p.set_extension("exe");
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}
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p
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}
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pub struct HttpServerGuard<'a> {
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#[allow(dead_code)]
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g: MutexGuard<'a, ()>,
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child: Child,
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}
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impl<'a> Drop for HttpServerGuard<'a> {
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fn drop(&mut self) {
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match self.child.try_wait() {
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Ok(None) => {
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self.child.kill().expect("failed to kill http_server.py");
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}
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Ok(Some(status)) => {
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panic!("http_server.py exited unexpectedly {}", status)
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}
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Err(e) => panic!("http_server.py err {}", e),
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}
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}
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}
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/// Starts tools/http_server.py when the returned guard is dropped, the server
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/// will be killed.
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pub fn http_server<'a>() -> HttpServerGuard<'a> {
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// TODO(ry) Allow tests to use the http server in parallel.
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let g = GUARD.lock().unwrap();
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println!("tools/http_server.py starting...");
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let mut child = Command::new("python")
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.current_dir(root_path())
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.args(&["-u", "tools/http_server.py"])
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.stdout(Stdio::piped())
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.spawn()
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.expect("failed to execute child");
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let stdout = child.stdout.as_mut().unwrap();
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use std::io::{BufRead, BufReader};
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let mut lines = BufReader::new(stdout).lines();
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let line = lines.next().unwrap().unwrap();
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assert!(line.starts_with("ready"));
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HttpServerGuard { child, g }
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}
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