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9114a2df69
``` > deno upgrade error: Unsupported lockfile version 'invalid'. Try upgrading Deno or recreating the lockfile. V:\scratch > V:\deno\target\debug\deno upgrade Looking up latest version Local deno version 1.45.3 is the most recent release ``` Closes #24517 Closes #20729
611 lines
18 KiB
Rust
611 lines
18 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use crate::args::CliOptions;
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use crate::args::CoverageFlags;
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use crate::args::FileFlags;
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use crate::args::Flags;
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use crate::cdp;
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use crate::factory::CliFactory;
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use crate::npm::CliNpmResolver;
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use crate::tools::fmt::format_json;
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use crate::tools::test::is_supported_test_path;
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use crate::util::text_encoding::source_map_from_code;
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use deno_ast::MediaType;
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use deno_ast::ModuleSpecifier;
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use deno_config::glob::FileCollector;
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use deno_config::glob::FilePatterns;
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use deno_config::glob::PathOrPattern;
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use deno_config::glob::PathOrPatternSet;
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use deno_core::anyhow::anyhow;
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use deno_core::anyhow::Context;
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use deno_core::error::generic_error;
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use deno_core::error::AnyError;
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use deno_core::serde_json;
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use deno_core::sourcemap::SourceMap;
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use deno_core::url::Url;
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use deno_core::LocalInspectorSession;
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use regex::Regex;
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use std::fs;
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use std::fs::File;
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use std::io::BufWriter;
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use std::io::Write;
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use std::path::Path;
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use std::path::PathBuf;
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use std::sync::Arc;
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use text_lines::TextLines;
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use uuid::Uuid;
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mod merge;
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mod range_tree;
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mod reporter;
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mod util;
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use merge::ProcessCoverage;
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pub struct CoverageCollector {
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pub dir: PathBuf,
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session: LocalInspectorSession,
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}
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#[async_trait::async_trait(?Send)]
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impl crate::worker::CoverageCollector for CoverageCollector {
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async fn start_collecting(&mut self) -> Result<(), AnyError> {
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self.enable_debugger().await?;
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self.enable_profiler().await?;
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self
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.start_precise_coverage(cdp::StartPreciseCoverageArgs {
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call_count: true,
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detailed: true,
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allow_triggered_updates: false,
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})
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.await?;
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Ok(())
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}
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async fn stop_collecting(&mut self) -> Result<(), AnyError> {
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fs::create_dir_all(&self.dir)?;
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let script_coverages = self.take_precise_coverage().await?.result;
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for script_coverage in script_coverages {
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// Filter out internal and http/https JS files and eval'd scripts
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// from being included in coverage reports
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if script_coverage.url.starts_with("ext:")
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|| script_coverage.url.starts_with("[ext:")
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|| script_coverage.url.starts_with("http:")
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|| script_coverage.url.starts_with("https:")
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|| script_coverage.url.starts_with("node:")
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|| script_coverage.url.is_empty()
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{
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continue;
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}
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let filename = format!("{}.json", Uuid::new_v4());
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let filepath = self.dir.join(filename);
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let mut out = BufWriter::new(File::create(&filepath)?);
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let coverage = serde_json::to_string(&script_coverage)?;
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let formatted_coverage =
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format_json(&filepath, &coverage, &Default::default())
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.ok()
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.flatten()
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.unwrap_or(coverage);
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out.write_all(formatted_coverage.as_bytes())?;
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out.flush()?;
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}
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self.disable_debugger().await?;
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self.disable_profiler().await?;
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Ok(())
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}
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}
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impl CoverageCollector {
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pub fn new(dir: PathBuf, session: LocalInspectorSession) -> Self {
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Self { dir, session }
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}
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async fn enable_debugger(&mut self) -> Result<(), AnyError> {
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self
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.session
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.post_message::<()>("Debugger.enable", None)
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.await?;
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Ok(())
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}
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async fn enable_profiler(&mut self) -> Result<(), AnyError> {
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self
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.session
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.post_message::<()>("Profiler.enable", None)
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.await?;
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Ok(())
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}
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async fn disable_debugger(&mut self) -> Result<(), AnyError> {
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self
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.session
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.post_message::<()>("Debugger.disable", None)
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.await?;
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Ok(())
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}
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async fn disable_profiler(&mut self) -> Result<(), AnyError> {
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self
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.session
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.post_message::<()>("Profiler.disable", None)
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.await?;
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Ok(())
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}
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async fn start_precise_coverage(
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&mut self,
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parameters: cdp::StartPreciseCoverageArgs,
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) -> Result<cdp::StartPreciseCoverageResponse, AnyError> {
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let return_value = self
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.session
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.post_message("Profiler.startPreciseCoverage", Some(parameters))
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.await?;
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let return_object = serde_json::from_value(return_value)?;
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Ok(return_object)
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}
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async fn take_precise_coverage(
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&mut self,
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) -> Result<cdp::TakePreciseCoverageResponse, AnyError> {
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let return_value = self
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.session
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.post_message::<()>("Profiler.takePreciseCoverage", None)
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.await?;
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let return_object = serde_json::from_value(return_value)?;
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Ok(return_object)
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}
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}
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#[derive(Debug, Clone)]
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struct BranchCoverageItem {
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line_index: usize,
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block_number: usize,
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branch_number: usize,
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taken: Option<i64>,
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is_hit: bool,
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}
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#[derive(Debug, Clone)]
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struct FunctionCoverageItem {
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name: String,
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line_index: usize,
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execution_count: i64,
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}
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#[derive(Debug, Clone)]
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pub struct CoverageReport {
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url: ModuleSpecifier,
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named_functions: Vec<FunctionCoverageItem>,
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branches: Vec<BranchCoverageItem>,
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/// (line_index, number_of_hits)
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found_lines: Vec<(usize, i64)>,
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output: Option<PathBuf>,
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}
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fn generate_coverage_report(
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script_coverage: &cdp::ScriptCoverage,
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script_source: String,
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maybe_source_map: &Option<Vec<u8>>,
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output: &Option<PathBuf>,
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) -> CoverageReport {
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let maybe_source_map = maybe_source_map
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.as_ref()
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.map(|source_map| SourceMap::from_slice(source_map).unwrap());
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let text_lines = TextLines::new(&script_source);
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let comment_ranges = deno_ast::lex(&script_source, MediaType::JavaScript)
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.into_iter()
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.filter(|item| {
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matches!(item.inner, deno_ast::TokenOrComment::Comment { .. })
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})
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.map(|item| item.range)
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.collect::<Vec<_>>();
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let url = Url::parse(&script_coverage.url).unwrap();
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let mut coverage_report = CoverageReport {
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url,
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named_functions: Vec::with_capacity(
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script_coverage
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.functions
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.iter()
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.filter(|f| !f.function_name.is_empty())
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.count(),
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),
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branches: Vec::new(),
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found_lines: Vec::new(),
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output: output.clone(),
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};
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for function in &script_coverage.functions {
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if function.function_name.is_empty() {
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continue;
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}
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let line_index = range_to_src_line_index(
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&function.ranges[0],
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&text_lines,
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&maybe_source_map,
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);
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coverage_report.named_functions.push(FunctionCoverageItem {
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name: function.function_name.clone(),
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line_index,
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execution_count: function.ranges[0].count,
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});
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}
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for (block_number, function) in script_coverage.functions.iter().enumerate() {
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let block_hits = function.ranges[0].count;
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for (branch_number, range) in function.ranges[1..].iter().enumerate() {
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let line_index =
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range_to_src_line_index(range, &text_lines, &maybe_source_map);
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// From https://manpages.debian.org/unstable/lcov/geninfo.1.en.html:
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//
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// Block number and branch number are gcc internal IDs for the branch. Taken is either '-'
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// if the basic block containing the branch was never executed or a number indicating how
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// often that branch was taken.
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//
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// However with the data we get from v8 coverage profiles it seems we can't actually hit
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// this as appears it won't consider any nested branches it hasn't seen but its here for
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// the sake of accuracy.
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let taken = if block_hits > 0 {
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Some(range.count)
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} else {
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None
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};
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coverage_report.branches.push(BranchCoverageItem {
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line_index,
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block_number,
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branch_number,
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taken,
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is_hit: range.count > 0,
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})
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}
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}
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// TODO(caspervonb): collect uncovered ranges on the lines so that we can highlight specific
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// parts of a line in color (word diff style) instead of the entire line.
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let mut line_counts = Vec::with_capacity(text_lines.lines_count());
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for line_index in 0..text_lines.lines_count() {
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let line_start_byte_offset = text_lines.line_start(line_index);
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let line_start_char_offset = text_lines.char_index(line_start_byte_offset);
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let line_end_byte_offset = text_lines.line_end(line_index);
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let line_end_char_offset = text_lines.char_index(line_end_byte_offset);
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let ignore = comment_ranges.iter().any(|range| {
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range.start <= line_start_byte_offset && range.end >= line_end_byte_offset
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}) || script_source
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[line_start_byte_offset..line_end_byte_offset]
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.trim()
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.is_empty();
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let mut count = 0;
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if ignore {
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count = 1;
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} else {
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// Count the hits of ranges that include the entire line which will always be at-least one
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// as long as the code has been evaluated.
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for function in &script_coverage.functions {
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for range in &function.ranges {
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if range.start_char_offset <= line_start_char_offset
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&& range.end_char_offset >= line_end_char_offset
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{
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count += range.count;
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}
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}
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}
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// We reset the count if any block with a zero count overlaps with the line range.
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for function in &script_coverage.functions {
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for range in &function.ranges {
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if range.count > 0 {
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continue;
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}
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let overlaps = range.start_char_offset < line_end_char_offset
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&& range.end_char_offset > line_start_char_offset;
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if overlaps {
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count = 0;
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}
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}
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}
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}
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line_counts.push(count);
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}
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coverage_report.found_lines =
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if let Some(source_map) = maybe_source_map.as_ref() {
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let mut found_lines = line_counts
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.iter()
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.enumerate()
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.flat_map(|(index, count)| {
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// get all the mappings from this destination line to a different src line
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let mut results = source_map
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.tokens()
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.filter(move |token| token.get_dst_line() as usize == index)
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.map(move |token| (token.get_src_line() as usize, *count))
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.collect::<Vec<_>>();
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// only keep the results that point at different src lines
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results.sort_unstable_by_key(|(index, _)| *index);
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results.dedup_by_key(|(index, _)| *index);
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results.into_iter()
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})
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.collect::<Vec<(usize, i64)>>();
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found_lines.sort_unstable_by_key(|(index, _)| *index);
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// combine duplicated lines
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for i in (1..found_lines.len()).rev() {
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if found_lines[i].0 == found_lines[i - 1].0 {
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found_lines[i - 1].1 += found_lines[i].1;
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found_lines.remove(i);
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}
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}
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found_lines
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} else {
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line_counts
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.into_iter()
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.enumerate()
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.collect::<Vec<(usize, i64)>>()
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};
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coverage_report
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}
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fn range_to_src_line_index(
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range: &cdp::CoverageRange,
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text_lines: &TextLines,
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maybe_source_map: &Option<SourceMap>,
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) -> usize {
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let source_lc = text_lines.line_and_column_index(
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text_lines.byte_index_from_char_index(range.start_char_offset),
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);
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if let Some(source_map) = maybe_source_map.as_ref() {
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source_map
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.lookup_token(source_lc.line_index as u32, source_lc.column_index as u32)
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.map(|token| token.get_src_line() as usize)
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.unwrap_or(0)
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} else {
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source_lc.line_index
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}
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}
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fn collect_coverages(
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cli_options: &CliOptions,
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files: FileFlags,
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initial_cwd: &Path,
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) -> Result<Vec<cdp::ScriptCoverage>, AnyError> {
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let mut coverages: Vec<cdp::ScriptCoverage> = Vec::new();
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let file_patterns = FilePatterns {
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base: initial_cwd.to_path_buf(),
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include: Some({
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if files.include.is_empty() {
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PathOrPatternSet::new(vec![PathOrPattern::Path(
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initial_cwd.to_path_buf(),
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)])
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} else {
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PathOrPatternSet::from_include_relative_path_or_patterns(
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initial_cwd,
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&files.include,
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)?
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}
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}),
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exclude: PathOrPatternSet::new(vec![]),
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};
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let file_paths = FileCollector::new(|e| {
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e.path.extension().map(|ext| ext == "json").unwrap_or(false)
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})
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.ignore_git_folder()
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.ignore_node_modules()
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.set_vendor_folder(cli_options.vendor_dir_path().map(ToOwned::to_owned))
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.collect_file_patterns(&deno_config::fs::RealDenoConfigFs, file_patterns)?;
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let coverage_patterns = FilePatterns {
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base: initial_cwd.to_path_buf(),
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include: None,
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exclude: PathOrPatternSet::from_exclude_relative_path_or_patterns(
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initial_cwd,
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&files.ignore,
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)
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.context("Invalid ignore pattern.")?,
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};
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for file_path in file_paths {
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let new_coverage = fs::read_to_string(file_path.as_path())
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.map_err(AnyError::from)
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.and_then(|json| {
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serde_json::from_str::<cdp::ScriptCoverage>(&json)
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.map_err(AnyError::from)
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})
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.with_context(|| format!("Failed reading '{}'", file_path.display()))?;
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let url = Url::parse(&new_coverage.url)?;
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if coverage_patterns.matches_specifier(&url) {
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coverages.push(new_coverage);
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}
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}
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coverages.sort_by_key(|k| k.url.clone());
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Ok(coverages)
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}
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fn filter_coverages(
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coverages: Vec<cdp::ScriptCoverage>,
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include: Vec<String>,
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exclude: Vec<String>,
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npm_resolver: &dyn CliNpmResolver,
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) -> Vec<cdp::ScriptCoverage> {
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let include: Vec<Regex> =
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include.iter().map(|e| Regex::new(e).unwrap()).collect();
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let exclude: Vec<Regex> =
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exclude.iter().map(|e| Regex::new(e).unwrap()).collect();
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coverages
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.into_iter()
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.filter(|e| {
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let is_internal = e.url.starts_with("ext:")
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|| e.url.ends_with("__anonymous__")
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|| e.url.ends_with("$deno$test.js")
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|| e.url.ends_with(".snap")
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|| is_supported_test_path(Path::new(e.url.as_str()))
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|| Url::parse(&e.url)
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.ok()
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.map(|url| npm_resolver.in_npm_package(&url))
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.unwrap_or(false);
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let is_included = include.iter().any(|p| p.is_match(&e.url));
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let is_excluded = exclude.iter().any(|p| p.is_match(&e.url));
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(include.is_empty() || is_included) && !is_excluded && !is_internal
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})
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.collect::<Vec<cdp::ScriptCoverage>>()
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}
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pub async fn cover_files(
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flags: Arc<Flags>,
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coverage_flags: CoverageFlags,
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) -> Result<(), AnyError> {
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if coverage_flags.files.include.is_empty() {
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return Err(generic_error("No matching coverage profiles found"));
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}
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let factory = CliFactory::from_flags(flags);
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let cli_options = factory.cli_options()?;
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let npm_resolver = factory.npm_resolver().await?;
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let file_fetcher = factory.file_fetcher()?;
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let emitter = factory.emitter()?;
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assert!(!coverage_flags.files.include.is_empty());
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|
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// Use the first include path as the default output path.
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let coverage_root = cli_options
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.initial_cwd()
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.join(&coverage_flags.files.include[0]);
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let script_coverages = collect_coverages(
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cli_options,
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coverage_flags.files,
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cli_options.initial_cwd(),
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)?;
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if script_coverages.is_empty() {
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return Err(generic_error("No coverage files found"));
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}
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let script_coverages = filter_coverages(
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script_coverages,
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|
coverage_flags.include,
|
|
coverage_flags.exclude,
|
|
npm_resolver.as_ref(),
|
|
);
|
|
if script_coverages.is_empty() {
|
|
return Err(generic_error("No covered files included in the report"));
|
|
}
|
|
|
|
let proc_coverages: Vec<_> = script_coverages
|
|
.into_iter()
|
|
.map(|cov| ProcessCoverage { result: vec![cov] })
|
|
.collect();
|
|
|
|
let script_coverages = if let Some(c) = merge::merge_processes(proc_coverages)
|
|
{
|
|
c.result
|
|
} else {
|
|
vec![]
|
|
};
|
|
|
|
let mut reporter = reporter::create(coverage_flags.r#type);
|
|
|
|
let out_mode = match coverage_flags.output {
|
|
Some(ref path) => match File::create(path) {
|
|
Ok(_) => Some(PathBuf::from(path)),
|
|
Err(e) => {
|
|
return Err(anyhow!("Failed to create output file: {}", e));
|
|
}
|
|
},
|
|
None => None,
|
|
};
|
|
|
|
for script_coverage in script_coverages {
|
|
let module_specifier = deno_core::resolve_url_or_path(
|
|
&script_coverage.url,
|
|
cli_options.initial_cwd(),
|
|
)?;
|
|
|
|
let maybe_file = if module_specifier.scheme() == "file" {
|
|
file_fetcher.get_source(&module_specifier)
|
|
} else {
|
|
file_fetcher
|
|
.fetch_cached(&module_specifier, 10)
|
|
.with_context(|| {
|
|
format!("Failed to fetch \"{module_specifier}\" from cache.")
|
|
})?
|
|
};
|
|
let file = maybe_file.ok_or_else(|| {
|
|
anyhow!("Failed to fetch \"{}\" from cache.
|
|
Before generating coverage report, run `deno test --coverage` to ensure consistent state.",
|
|
module_specifier
|
|
)
|
|
})?.into_text_decoded()?;
|
|
|
|
let original_source = file.source.clone();
|
|
// Check if file was transpiled
|
|
let transpiled_code = match file.media_type {
|
|
MediaType::JavaScript
|
|
| MediaType::Unknown
|
|
| MediaType::Cjs
|
|
| MediaType::Mjs
|
|
| MediaType::Json => None,
|
|
MediaType::Dts | MediaType::Dmts | MediaType::Dcts => Some(Vec::new()),
|
|
MediaType::TypeScript
|
|
| MediaType::Jsx
|
|
| MediaType::Mts
|
|
| MediaType::Cts
|
|
| MediaType::Tsx => {
|
|
Some(match emitter.maybe_cached_emit(&file.specifier, &file.source) {
|
|
Some(code) => code,
|
|
None => {
|
|
return Err(anyhow!(
|
|
"Missing transpiled source code for: \"{}\".
|
|
Before generating coverage report, run `deno test --coverage` to ensure consistent state.",
|
|
file.specifier,
|
|
))
|
|
}
|
|
})
|
|
}
|
|
MediaType::Wasm | MediaType::TsBuildInfo | MediaType::SourceMap => {
|
|
unreachable!()
|
|
}
|
|
};
|
|
let runtime_code: String = match transpiled_code {
|
|
Some(code) => String::from_utf8(code)
|
|
.with_context(|| format!("Failed decoding {}", file.specifier))?,
|
|
None => original_source.to_string(),
|
|
};
|
|
|
|
let source_map = source_map_from_code(runtime_code.as_bytes());
|
|
let coverage_report = generate_coverage_report(
|
|
&script_coverage,
|
|
runtime_code.as_str().to_owned(),
|
|
&source_map,
|
|
&out_mode,
|
|
);
|
|
|
|
if !coverage_report.found_lines.is_empty() {
|
|
reporter.report(&coverage_report, &original_source)?;
|
|
}
|
|
}
|
|
|
|
reporter.done(&coverage_root);
|
|
|
|
Ok(())
|
|
}
|