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

4 files changed, 75 insertions, 4 deletions

diff --git a/cli/tests/integration/coverage_tests.rs b/cli/tests/integration/coverage_tests.rs
index d3affd4de..4d927a16d 100644
--- a/cli/tests/integration/coverage_tests.rs
+++ b/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 |
+----------------------------------
+",
+  );
+}
diff --git a/cli/tests/testdata/coverage/multisource/baz/quux.ts b/cli/tests/testdata/coverage/multisource/baz/quux.ts
index ab8c62db6..6032f6f3c 100644
--- a/cli/tests/testdata/coverage/multisource/baz/quux.ts
+++ b/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;
   }
diff --git a/cli/tests/testdata/coverage/multisource/foo.ts b/cli/tests/testdata/coverage/multisource/foo.ts
index 023f82556..0559cadd8 100644
--- a/cli/tests/testdata/coverage/multisource/foo.ts
+++ b/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;
diff --git a/cli/tests/testdata/coverage/multisource/test.ts b/cli/tests/testdata/coverage/multisource/test.ts
index 6adf6f52c..350421177 100644
--- a/cli/tests/testdata/coverage/multisource/test.ts
+++ b/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", () => {