feat(coverage): add summary reporter (denoland#21535)

cli/args/flags.rs

@@ -86,6 +86,7 @@ pub struct CompletionsFlags {
 
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub enum CoverageType {
+ Summary,
  Pretty,
  Lcov,
  Html,
@@ -1413,6 +1414,12 @@ Generate html reports from lcov:
  )
  .action(ArgAction::SetTrue),
  )
+ .arg(
+ Arg::new("pretty")
+ .long("pretty")
+ .help("Output coverage report in pretty format in the terminal.")
+ .action(ArgAction::SetTrue),
+ )
  .arg(
  Arg::new("files")
  .num_args(1..)
@@ -3320,8 +3327,10 @@ fn coverage_parse(flags: &mut Flags, matches: &mut ArgMatches) {
  CoverageType::Lcov
  } else if matches.get_flag("html") {
  CoverageType::Html
- } else {
+ } else if matches.get_flag("pretty") {
  CoverageType::Pretty
+ } else {
+ CoverageType::Summary
  };
  let output = matches.remove_one::<PathBuf>("output");
  flags.subcommand = DenoSubcommand::Coverage(CoverageFlags {
@@ -7908,7 +7917,7 @@ mod tests {
  output: None,
  include: vec![r"^file:".to_string()],
  exclude: vec![r"test\.(js|mjs|ts|jsx|tsx)$".to_string()],
- r#type: CoverageType::Pretty
+ r#type: CoverageType::Summary
  }),
  ..Flags::default()
  }

cli/tests/integration/coverage_tests.rs

@@ -115,7 +115,11 @@ fn run_coverage_text(test_name: &str, extension: &str) {
 
  let output = context
  .new_command()
- .args_vec(vec!["coverage".to_string(), format!("{}/", tempdir)])
+ .args_vec(vec![
+ "coverage".to_string(),
+ "--pretty".to_string(),
+ format!("{}/", tempdir),
+ ])
  .split_output()
  .run();
 
@@ -184,7 +188,11 @@ fn multifile_coverage() {
 
  let output = context
  .new_command()
- .args_vec(vec!["coverage".to_string(), format!("{}/", tempdir)])
+ .args_vec(vec![
+ "coverage".to_string(),
+ "--pretty".to_string(),
+ format!("{}/", tempdir),
+ ])
  .split_output()
  .run();
 
@@ -255,6 +263,7 @@ fn no_snaps_included(test_name: &str, extension: &str) {
  .args_vec(vec![
  "coverage".to_string(),
  "--include=no_snaps_included.ts".to_string(),
+ "--pretty".to_string(),
  format!("{}/", tempdir),
  ])
  .split_output()
@@ -303,6 +312,7 @@ fn no_tests_included(test_name: &str, extension: &str) {
  .args_vec(vec![
  "coverage".to_string(),
  format!("--exclude={}", util::std_path().canonicalize()),
+ "--pretty".to_string(),
  format!("{}/", tempdir),
  ])
  .split_output()
@@ -350,7 +360,11 @@ fn no_npm_cache_coverage() {
 
  let output = context
  .new_command()
- .args_vec(vec!["coverage".to_string(), format!("{}/", tempdir)])
+ .args_vec(vec![
+ "coverage".to_string(),
+ "--pretty".to_string(),
+ format!("{}/", tempdir),
+ ])
  .split_output()
  .run();
 
@@ -397,6 +411,7 @@ fn no_transpiled_lines() {
  .args_vec(vec![
  "coverage".to_string(),
  "--include=no_transpiled_lines/index.ts".to_string(),
+ "--pretty".to_string(),
  format!("{}/", tempdir),
  ])
  .run();
@@ -575,3 +590,43 @@ fn test_html_reporter() {
  .unwrap();
  assert!(baz_quux_ts_html.contains("<h1>Coverage report for baz/quux.ts</h1>"));
 }
+
+#[test]
+fn test_summary_reporter() {
+ let context = TestContext::default();
+ let tempdir = context.temp_dir();
+ let tempdir = tempdir.path().join("cov");
+
+ let output = context
+ .new_command()
+ .args_vec(vec![
+ "test".to_string(),
+ "--quiet".to_string(),
+ format!("--coverage={}", tempdir),
+ "coverage/multisource".to_string(),
+ ])
+ .run();
+
+ output.assert_exit_code(0);
+ output.skip_output_check();
+
+ let output = context
+ .new_command()
+ .args_vec(vec!["coverage".to_string(), format!("{}/", tempdir)])
+ .run();
+
+ output.assert_exit_code(0);
+ output.assert_matches_text(
+ "----------------------------------
+File | Branch % | Line % |
+----------------------------------
+ bar.ts | 0.0 | 57.1 |
+ baz/quux.ts | 0.0 | 28.6 |
+ baz/qux.ts | 100.0 | 100.0 |
+ foo.ts | 50.0 | 76.9 |
+----------------------------------
+ All files | 40.0 | 61.0 |
+----------------------------------
+",
+ );
+}

cli/tests/testdata/coverage/multisource/baz/quux.ts

@@ -1,6 +1,13 @@
 export function quux(cond: boolean) {
  if (cond) {
- return 1;
+ const a = 1;
+ const b = a;
+ const c = b;
+ const d = c;
+ const e = d;
+ const f = e;
+ const g = f;
+ return g;
  } else {
  return 2;
  }

cli/tests/testdata/coverage/multisource/foo.ts

@@ -1,5 +1,12 @@
 export function foo(cond: boolean) {
+ let a = 0;
  if (cond) {
+ a = 1;
+ } else {
+ a = 2;
+ }
+
+ if (a == 4) {
  return 1;
  } else {
  return 2;

cli/tests/testdata/coverage/multisource/test.ts

@@ -5,6 +5,7 @@ import { quux } from "./baz/quux.ts";
 
 Deno.test("foo", () => {
  foo(true);
+ foo(false);
 });
 
 Deno.test("bar", () => {
@@ -13,6 +14,7 @@ Deno.test("bar", () => {
 
 Deno.test("qux", () => {
  qux(true);
+ qux(false);
 });
 
 Deno.test("quux", () => {