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0ef1c774f6
closes #21582
684 lines
20 KiB
Rust
684 lines
20 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use super::util;
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use super::CoverageReport;
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use crate::args::CoverageType;
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use crate::colors;
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use deno_core::error::AnyError;
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use deno_core::url::Url;
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use std::collections::HashMap;
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use std::fs;
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use std::fs::File;
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use std::io::Error;
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use std::io::Write;
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use std::io::{self};
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use std::path::Path;
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use std::path::PathBuf;
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#[derive(Default)]
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pub struct CoverageStats<'a> {
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pub line_hit: usize,
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pub line_miss: usize,
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pub branch_hit: usize,
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pub branch_miss: usize,
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pub parent: Option<String>,
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pub file_text: Option<String>,
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pub report: Option<&'a CoverageReport>,
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}
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type CoverageSummary<'a> = HashMap<String, CoverageStats<'a>>;
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pub fn create(kind: CoverageType) -> Box<dyn CoverageReporter + Send> {
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match kind {
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CoverageType::Summary => Box::new(SummaryCoverageReporter::new()),
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CoverageType::Lcov => Box::new(LcovCoverageReporter::new()),
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CoverageType::Detailed => Box::new(DetailedCoverageReporter::new()),
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CoverageType::Html => Box::new(HtmlCoverageReporter::new()),
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}
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}
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pub trait CoverageReporter {
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fn report(
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&mut self,
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coverage_report: &CoverageReport,
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file_text: &str,
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) -> Result<(), AnyError>;
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fn done(&mut self, _coverage_root: &Path) {}
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/// Collects the coverage summary of each file or directory.
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fn collect_summary<'a>(
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&'a self,
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file_reports: &'a Vec<(CoverageReport, String)>,
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) -> CoverageSummary {
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let urls = file_reports.iter().map(|rep| &rep.0.url).collect();
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let root = match util::find_root(urls)
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.and_then(|root_path| root_path.to_file_path().ok())
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{
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Some(path) => path,
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None => return HashMap::new(),
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};
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// summary by file or directory
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// tuple of (line hit, line miss, branch hit, branch miss, parent)
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let mut summary = HashMap::new();
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summary.insert("".to_string(), CoverageStats::default()); // root entry
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for (report, file_text) in file_reports {
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let path = report.url.to_file_path().unwrap();
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let relative_path = path.strip_prefix(&root).unwrap();
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let mut file_text = Some(file_text.to_string());
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let mut summary_path = Some(relative_path);
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// From leaf to root, adds up the coverage stats
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while let Some(path) = summary_path {
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let path_str = path.to_str().unwrap().to_string();
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let parent = path
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.parent()
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.and_then(|p| p.to_str())
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.map(|p| p.to_string());
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let stats = summary.entry(path_str).or_insert(CoverageStats {
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parent,
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file_text,
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report: Some(report),
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..CoverageStats::default()
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});
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stats.line_hit += report
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.found_lines
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.iter()
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.filter(|(_, count)| *count > 0)
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.count();
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stats.line_miss += report
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.found_lines
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.iter()
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.filter(|(_, count)| *count == 0)
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.count();
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stats.branch_hit += report.branches.iter().filter(|b| b.is_hit).count();
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stats.branch_miss +=
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report.branches.iter().filter(|b| !b.is_hit).count();
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file_text = None;
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summary_path = path.parent();
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}
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}
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summary
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}
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}
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struct SummaryCoverageReporter {
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file_reports: Vec<(CoverageReport, String)>,
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}
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#[allow(clippy::print_stdout)]
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impl SummaryCoverageReporter {
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pub fn new() -> SummaryCoverageReporter {
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SummaryCoverageReporter {
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file_reports: Vec::new(),
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}
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}
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fn print_coverage_line(
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&self,
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node: &str,
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node_max: usize,
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stats: &CoverageStats,
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) {
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let CoverageStats {
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line_hit,
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line_miss,
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branch_hit,
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branch_miss,
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..
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} = stats;
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let (_, line_percent, line_class) =
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util::calc_coverage_display_info(*line_hit, *line_miss);
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let (_, branch_percent, branch_class) =
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util::calc_coverage_display_info(*branch_hit, *branch_miss);
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let file_name = format!(
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"{node:node_max$}",
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node = node.replace('\\', "/"),
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node_max = node_max
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);
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let file_name = if line_class == "high" {
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format!("{}", colors::green(&file_name))
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} else if line_class == "medium" {
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format!("{}", colors::yellow(&file_name))
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} else {
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format!("{}", colors::red(&file_name))
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};
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let branch_percent = if branch_class == "high" {
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format!("{}", colors::green(&format!("{:>8.1}", branch_percent)))
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} else if branch_class == "medium" {
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format!("{}", colors::yellow(&format!("{:>8.1}", branch_percent)))
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} else {
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format!("{}", colors::red(&format!("{:>8.1}", branch_percent)))
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};
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let line_percent = if line_class == "high" {
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format!("{}", colors::green(&format!("{:>6.1}", line_percent)))
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} else if line_class == "medium" {
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format!("{}", colors::yellow(&format!("{:>6.1}", line_percent)))
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} else {
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format!("{}", colors::red(&format!("{:>6.1}", line_percent)))
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};
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println!(
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" {file_name} | {branch_percent} | {line_percent} |",
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file_name = file_name,
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branch_percent = branch_percent,
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line_percent = line_percent,
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);
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}
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}
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#[allow(clippy::print_stdout)]
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impl CoverageReporter for SummaryCoverageReporter {
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fn report(
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&mut self,
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coverage_report: &CoverageReport,
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file_text: &str,
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) -> Result<(), AnyError> {
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self
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.file_reports
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.push((coverage_report.clone(), file_text.to_string()));
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Ok(())
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}
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fn done(&mut self, _coverage_root: &Path) {
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let summary = self.collect_summary(&self.file_reports);
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let root_stats = summary.get("").unwrap();
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let mut entries = summary
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.iter()
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.filter(|(_, stats)| stats.file_text.is_some())
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.collect::<Vec<_>>();
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entries.sort_by_key(|(node, _)| node.to_owned());
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let node_max = entries.iter().map(|(node, _)| node.len()).max().unwrap();
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let header =
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format!("{node:node_max$} | Branch % | Line % |", node = "File");
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let separator = "-".repeat(header.len());
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println!("{}", separator);
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println!("{}", header);
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println!("{}", separator);
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entries.iter().for_each(|(node, stats)| {
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self.print_coverage_line(node, node_max, stats);
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});
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println!("{}", separator);
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self.print_coverage_line("All files", node_max, root_stats);
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println!("{}", separator);
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}
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}
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struct LcovCoverageReporter {}
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impl LcovCoverageReporter {
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pub fn new() -> LcovCoverageReporter {
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LcovCoverageReporter {}
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}
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}
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impl CoverageReporter for LcovCoverageReporter {
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fn report(
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&mut self,
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coverage_report: &CoverageReport,
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_file_text: &str,
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) -> Result<(), AnyError> {
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// pipes output to stdout if no file is specified
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let out_mode: Result<Box<dyn Write>, Error> = match coverage_report.output {
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// only append to the file as the file should be created already
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Some(ref path) => File::options()
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.append(true)
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.open(path)
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.map(|f| Box::new(f) as Box<dyn Write>),
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None => Ok(Box::new(io::stdout())),
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};
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let mut out_writer = out_mode?;
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let file_path = coverage_report
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.url
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.to_file_path()
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.ok()
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.and_then(|p| p.to_str().map(|p| p.to_string()))
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.unwrap_or_else(|| coverage_report.url.to_string());
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writeln!(out_writer, "SF:{file_path}")?;
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for function in &coverage_report.named_functions {
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writeln!(
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out_writer,
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"FN:{},{}",
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function.line_index + 1,
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function.name
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)?;
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}
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for function in &coverage_report.named_functions {
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writeln!(
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out_writer,
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"FNDA:{},{}",
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function.execution_count, function.name
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)?;
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}
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let functions_found = coverage_report.named_functions.len();
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writeln!(out_writer, "FNF:{functions_found}")?;
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let functions_hit = coverage_report
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.named_functions
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.iter()
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.filter(|f| f.execution_count > 0)
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.count();
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writeln!(out_writer, "FNH:{functions_hit}")?;
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for branch in &coverage_report.branches {
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let taken = if let Some(taken) = &branch.taken {
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taken.to_string()
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} else {
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"-".to_string()
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};
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writeln!(
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out_writer,
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"BRDA:{},{},{},{}",
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branch.line_index + 1,
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branch.block_number,
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branch.branch_number,
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taken
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)?;
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}
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let branches_found = coverage_report.branches.len();
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writeln!(out_writer, "BRF:{branches_found}")?;
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let branches_hit =
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coverage_report.branches.iter().filter(|b| b.is_hit).count();
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writeln!(out_writer, "BRH:{branches_hit}")?;
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for (index, count) in &coverage_report.found_lines {
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writeln!(out_writer, "DA:{},{}", index + 1, count)?;
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}
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let lines_hit = coverage_report
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.found_lines
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.iter()
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.filter(|(_, count)| *count != 0)
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.count();
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writeln!(out_writer, "LH:{lines_hit}")?;
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let lines_found = coverage_report.found_lines.len();
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writeln!(out_writer, "LF:{lines_found}")?;
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writeln!(out_writer, "end_of_record")?;
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Ok(())
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}
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}
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struct DetailedCoverageReporter {}
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impl DetailedCoverageReporter {
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pub fn new() -> DetailedCoverageReporter {
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DetailedCoverageReporter {}
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}
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}
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#[allow(clippy::print_stdout)]
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impl CoverageReporter for DetailedCoverageReporter {
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fn report(
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&mut self,
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coverage_report: &CoverageReport,
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file_text: &str,
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) -> Result<(), AnyError> {
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let lines = file_text.split('\n').collect::<Vec<_>>();
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print!("cover {} ... ", coverage_report.url);
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let hit_lines = coverage_report
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.found_lines
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.iter()
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.filter(|(_, count)| *count > 0)
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.map(|(index, _)| *index);
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let missed_lines = coverage_report
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.found_lines
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.iter()
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.filter(|(_, count)| *count == 0)
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.map(|(index, _)| *index);
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let lines_found = coverage_report.found_lines.len();
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let lines_hit = hit_lines.count();
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let line_ratio = lines_hit as f32 / lines_found as f32;
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let line_coverage =
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format!("{:.3}% ({}/{})", line_ratio * 100.0, lines_hit, lines_found);
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if line_ratio >= 0.9 {
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println!("{}", colors::green(&line_coverage));
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} else if line_ratio >= 0.75 {
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println!("{}", colors::yellow(&line_coverage));
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} else {
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println!("{}", colors::red(&line_coverage));
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}
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let mut last_line = None;
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for line_index in missed_lines {
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const WIDTH: usize = 4;
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const SEPARATOR: &str = "|";
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// Put a horizontal separator between disjoint runs of lines
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if let Some(last_line) = last_line {
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if last_line + 1 != line_index {
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let dash = colors::gray("-".repeat(WIDTH + 1));
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println!("{}{}{}", dash, colors::gray(SEPARATOR), dash);
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}
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}
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println!(
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"{:width$} {} {}",
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line_index + 1,
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colors::gray(SEPARATOR),
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colors::red(&lines[line_index]),
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width = WIDTH
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);
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last_line = Some(line_index);
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}
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Ok(())
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}
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}
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struct HtmlCoverageReporter {
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file_reports: Vec<(CoverageReport, String)>,
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}
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impl CoverageReporter for HtmlCoverageReporter {
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fn report(
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&mut self,
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report: &CoverageReport,
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text: &str,
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) -> Result<(), AnyError> {
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self.file_reports.push((report.clone(), text.to_string()));
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Ok(())
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}
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fn done(&mut self, coverage_root: &Path) {
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let summary = self.collect_summary(&self.file_reports);
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let now = chrono::Utc::now().to_rfc2822();
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for (node, stats) in &summary {
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let report_path =
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self.get_report_path(coverage_root, node, stats.file_text.is_none());
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let main_content = if let Some(file_text) = &stats.file_text {
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self.create_html_code_table(file_text, stats.report.unwrap())
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} else {
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self.create_html_summary_table(node, &summary)
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};
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let is_dir = stats.file_text.is_none();
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let html = self.create_html(node, is_dir, stats, &now, &main_content);
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fs::create_dir_all(report_path.parent().unwrap()).unwrap();
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fs::write(report_path, html).unwrap();
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}
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let root_report = Url::from_file_path(
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coverage_root
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.join("html")
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.join("index.html")
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.canonicalize()
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.unwrap(),
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)
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.unwrap();
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log::info!("HTML coverage report has been generated at {}", root_report);
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}
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}
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impl HtmlCoverageReporter {
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pub fn new() -> HtmlCoverageReporter {
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HtmlCoverageReporter {
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file_reports: Vec::new(),
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}
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}
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/// Gets the report path for a single file
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pub fn get_report_path(
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&self,
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coverage_root: &Path,
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node: &str,
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is_dir: bool,
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) -> PathBuf {
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if is_dir {
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// e.g. /path/to/coverage/html/src/index.html
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coverage_root.join("html").join(node).join("index.html")
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} else {
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// e.g. /path/to/coverage/html/src/main.ts.html
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Path::new(&format!(
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"{}.html",
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coverage_root.join("html").join(node).to_str().unwrap()
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))
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.to_path_buf()
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}
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}
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/// Creates single page of html report.
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pub fn create_html(
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&self,
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node: &str,
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is_dir: bool,
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stats: &CoverageStats,
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timestamp: &str,
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main_content: &str,
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) -> String {
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let title = if node.is_empty() {
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"Coverage report for all files".to_string()
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} else {
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let node = if is_dir {
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format!("{}/", node)
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} else {
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node.to_string()
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};
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format!("Coverage report for {node}")
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};
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let title = title.replace(std::path::MAIN_SEPARATOR, "/");
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let head = self.create_html_head(&title);
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let header = self.create_html_header(&title, stats);
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let footer = self.create_html_footer(timestamp);
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format!(
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"<!doctype html>
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<html>
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{head}
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<body>
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<div class='wrapper'>
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{header}
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<div class='pad1'>
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{main_content}
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</div>
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<div class='push'></div>
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</div>
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{footer}
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</body>
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</html>"
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)
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}
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/// Creates <head> tag for html report.
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pub fn create_html_head(&self, title: &str) -> String {
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let style_css = include_str!("style.css");
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format!(
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"
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<head>
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<meta charset='utf-8'>
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<title>{title}</title>
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<style>{style_css}</style>
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<meta name='viewport' content='width=device-width, initial-scale=1' />
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</head>"
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)
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}
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|
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/// Creates header part of the contents for html report.
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pub fn create_html_header(
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&self,
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title: &str,
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stats: &CoverageStats,
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) -> String {
|
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let CoverageStats {
|
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line_hit,
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line_miss,
|
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branch_hit,
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branch_miss,
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..
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} = stats;
|
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let (line_total, line_percent, line_class) =
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util::calc_coverage_display_info(*line_hit, *line_miss);
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let (branch_total, branch_percent, _) =
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|
util::calc_coverage_display_info(*branch_hit, *branch_miss);
|
|
|
|
format!(
|
|
"
|
|
<div class='pad1'>
|
|
<h1>{title}</h1>
|
|
<div class='clearfix'>
|
|
<div class='fl pad1y space-right2'>
|
|
<span class='strong'>{branch_percent:.2}%</span>
|
|
<span class='quiet'>Branches</span>
|
|
<span class='fraction'>{branch_hit}/{branch_total}</span>
|
|
</div>
|
|
<div class='fl pad1y space-right2'>
|
|
<span class='strong'>{line_percent:.2}%</span>
|
|
<span class='quiet'>Lines</span>
|
|
<span class='fraction'>{line_hit}/{line_total}</span>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class='status-line {line_class}'></div>"
|
|
)
|
|
}
|
|
|
|
/// Creates footer part of the contents for html report.
|
|
pub fn create_html_footer(&self, now: &str) -> String {
|
|
let version = env!("CARGO_PKG_VERSION");
|
|
format!(
|
|
"
|
|
<div class='footer quiet pad2 space-top1 center small'>
|
|
Code coverage generated by
|
|
<a href='https://deno.com/' target='_blank'>Deno v{version}</a>
|
|
at {now}
|
|
</div>"
|
|
)
|
|
}
|
|
|
|
/// Creates <table> of summary for html report.
|
|
pub fn create_html_summary_table(
|
|
&self,
|
|
node: &String,
|
|
summary: &CoverageSummary,
|
|
) -> String {
|
|
let mut children = summary
|
|
.iter()
|
|
.filter(|(_, stats)| stats.parent.as_ref() == Some(node))
|
|
.map(|(k, stats)| (stats.file_text.is_some(), k.clone()))
|
|
.collect::<Vec<_>>();
|
|
// Sort directories first, then files
|
|
children.sort();
|
|
|
|
let table_rows: Vec<String> = children.iter().map(|(is_file, c)| {
|
|
let CoverageStats { line_hit, line_miss, branch_hit, branch_miss, .. } =
|
|
summary.get(c).unwrap();
|
|
|
|
let (line_total, line_percent, line_class) =
|
|
util::calc_coverage_display_info(*line_hit, *line_miss);
|
|
let (branch_total, branch_percent, branch_class) =
|
|
util::calc_coverage_display_info(*branch_hit, *branch_miss);
|
|
|
|
let path = Path::new(c.strip_prefix(&format!("{node}{}", std::path::MAIN_SEPARATOR)).unwrap_or(c)).to_str().unwrap();
|
|
let path = path.replace(std::path::MAIN_SEPARATOR, "/");
|
|
let path_label = if *is_file { path.to_string() } else { format!("{}/", path) };
|
|
let path_link = if *is_file { format!("{}.html", path) } else { format!("{}index.html", path_label) };
|
|
|
|
format!("
|
|
<tr>
|
|
<td class='file {line_class}'><a href='{path_link}'>{path_label}</a></td>
|
|
<td class='pic {line_class}'>
|
|
<div class='chart'>
|
|
<div class='cover-fill' style='width: {line_percent:.1}%'></div><div class='cover-empty' style='width: calc(100% - {line_percent:.1}%)'></div>
|
|
</div>
|
|
</td>
|
|
<td class='pct {branch_class}'>{branch_percent:.2}%</td>
|
|
<td class='abs {branch_class}'>{branch_hit}/{branch_total}</td>
|
|
<td class='pct {line_class}'>{line_percent:.2}%</td>
|
|
<td class='abs {line_class}'>{line_hit}/{line_total}</td>
|
|
</tr>")}).collect();
|
|
let table_rows = table_rows.join("\n");
|
|
|
|
format!(
|
|
"
|
|
<table class='coverage-summary'>
|
|
<thead>
|
|
<tr>
|
|
<th class='file'>File</th>
|
|
<th class='pic'></th>
|
|
<th class='pct'>Branches</th>
|
|
<th class='abs'></th>
|
|
<th class='pct'>Lines</th>
|
|
<th class='abs'></th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
{table_rows}
|
|
</tbody>
|
|
</table>"
|
|
)
|
|
}
|
|
|
|
/// Creates <table> of single file code coverage.
|
|
pub fn create_html_code_table(
|
|
&self,
|
|
file_text: &str,
|
|
report: &CoverageReport,
|
|
) -> String {
|
|
let line_num = file_text.lines().count();
|
|
let line_count = (1..line_num + 1)
|
|
.map(|i| format!("<a name='L{i}'></a><a href='#L{i}'>{i}</a>"))
|
|
.collect::<Vec<_>>()
|
|
.join("\n");
|
|
let line_coverage = (0..line_num)
|
|
.map(|i| {
|
|
if let Some((_, count)) =
|
|
report.found_lines.iter().find(|(line, _)| i == *line)
|
|
{
|
|
if *count == 0 {
|
|
"<span class='cline-any cline-no'> </span>".to_string()
|
|
} else {
|
|
format!("<span class='cline-any cline-yes' title='This line is covered {count} time{}'>x{count}</span>", if *count > 1 { "s" } else { "" })
|
|
}
|
|
} else {
|
|
"<span class='cline-any cline-neutral'> </span>".to_string()
|
|
}
|
|
})
|
|
.collect::<Vec<_>>()
|
|
.join("\n");
|
|
let branch_coverage = (0..line_num)
|
|
.map(|i| {
|
|
let branch_is_missed = report.branches.iter().any(|b| b.line_index == i && !b.is_hit);
|
|
if branch_is_missed {
|
|
"<span class='missing-if-branch' title='branch condition is missed in this line'>I</span>".to_string()
|
|
} else {
|
|
"".to_string()
|
|
}
|
|
})
|
|
.collect::<Vec<_>>()
|
|
.join("\n");
|
|
|
|
let file_text = file_text
|
|
.replace('&', "&")
|
|
.replace('<', "<")
|
|
.replace('>', ">");
|
|
|
|
// TODO(kt3k): Add syntax highlight to source code
|
|
format!(
|
|
"<table class='coverage'>
|
|
<tr>
|
|
<td class='line-count quiet'><pre>{line_count}</pre></td>
|
|
<td class='line-coverage quiet'><pre>{line_coverage}</pre></td>
|
|
<td class='branch-coverage quiet'><pre>{branch_coverage}</pre></td>
|
|
<td class='text'><pre class='prettyprint'>{file_text}</pre></td>
|
|
</tr>
|
|
</table>"
|
|
)
|
|
}
|
|
}
|