From d68d1e202285df30893968c8ba71b4a0a769b357 Mon Sep 17 00:00:00 2001
From: Yoshiya Hinosawa <stibium121@gmail.com>
Date: Fri, 8 Dec 2023 16:54:52 +0900
Subject: feat(coverage): add html reporter (#21495)
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Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
---
 cli/tests/integration/coverage_tests.rs | 69 +++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)

(limited to 'cli/tests/integration/coverage_tests.rs')

diff --git a/cli/tests/integration/coverage_tests.rs b/cli/tests/integration/coverage_tests.rs
index d8a11a624..3317020fb 100644
--- a/cli/tests/integration/coverage_tests.rs
+++ b/cli/tests/integration/coverage_tests.rs
@@ -504,3 +504,72 @@ fn no_internal_node_code() {
     assert_starts_with!(url, "file:");
   }
 }
+
+#[test]
+fn test_html_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(),
+      "--html".to_string(),
+      format!("{}/", tempdir),
+    ])
+    .run();
+
+  output.assert_exit_code(0);
+  output.assert_matches_text("HTML coverage report has been generated at [WILDCARD]/cov/html/index.html\n");
+
+  let index_html =
+    fs::read_to_string(tempdir.join("html").join("index.html")).unwrap();
+  assert!(index_html.contains("<h1>Coverage report for all files</h1>"));
+  assert!(index_html.contains("baz/"));
+  assert!(index_html.contains("href='baz/index.html'"));
+  assert!(index_html.contains("foo.ts"));
+  assert!(index_html.contains("href='foo.ts.html'"));
+  assert!(index_html.contains("bar.ts"));
+  assert!(index_html.contains("href='bar.ts.html'"));
+
+  let foo_ts_html =
+    fs::read_to_string(tempdir.join("html").join("foo.ts.html")).unwrap();
+  assert!(foo_ts_html.contains("<h1>Coverage report for foo.ts</h1>"));
+
+  let bar_ts_html =
+    fs::read_to_string(tempdir.join("html").join("bar.ts.html")).unwrap();
+  assert!(bar_ts_html.contains("<h1>Coverage report for bar.ts</h1>"));
+
+  let baz_index_html =
+    fs::read_to_string(tempdir.join("html").join("baz").join("index.html"))
+      .unwrap();
+  assert!(baz_index_html.contains("<h1>Coverage report for baz/</h1>"));
+  assert!(baz_index_html.contains("qux.ts"));
+  assert!(baz_index_html.contains("href='qux.ts.html'"));
+  assert!(baz_index_html.contains("quux.ts"));
+  assert!(baz_index_html.contains("href='quux.ts.html'"));
+
+  let baz_qux_ts_html =
+    fs::read_to_string(tempdir.join("html").join("baz").join("qux.ts.html"))
+      .unwrap();
+  assert!(baz_qux_ts_html.contains("<h1>Coverage report for baz/qux.ts</h1>"));
+
+  let baz_quux_ts_html =
+    fs::read_to_string(tempdir.join("html").join("baz").join("quux.ts.html"))
+      .unwrap();
+  assert!(baz_quux_ts_html.contains("<h1>Coverage report for baz/quux.ts</h1>"));
+}
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