fix(coverage): ignore urls from doc testing (#25736)

cli/tools/coverage/mod.rs

@@ -452,6 +452,11 @@ fn filter_coverages(
   let exclude: Vec<Regex> =
     exclude.iter().map(|e| Regex::new(e).unwrap()).collect();
 
+  // Matches virtual file paths for doc testing
+  // e.g. file:///path/to/mod.ts$23-29.ts
+  let doc_test_re =
+    Regex::new(r"\$\d+-\d+\.(js|mjs|cjs|jsx|ts|mts|cts|tsx)$").unwrap();
+
   coverages
     .into_iter()
     .filter(|e| {
@@ -460,6 +465,7 @@ fn filter_coverages(
         || e.url.ends_with("$deno$test.js")
         || e.url.ends_with(".snap")
         || is_supported_test_path(Path::new(e.url.as_str()))
+        || doc_test_re.is_match(e.url.as_str())
         || Url::parse(&e.url)
           .ok()
           .map(|url| npm_resolver.in_npm_package(&url))

tests/specs/coverage/filter_doc_testing_urls/__test__.jsonc

@@ -0,0 +1,15 @@
+{
+  "tempDir": true,
+  "steps": [
+    {
+      "args": "test -A --coverage --doc",
+      "output": "test_coverage.out",
+      "exitCode": 0
+    },
+    {
+      "args": "coverage",
+      "output": "coverage_success.out",
+      "exitCode": 0
+    }
+  ]
+}

tests/specs/coverage/filter_doc_testing_urls/coverage_success.out

@@ -0,0 +1,7 @@
+--------------------------------
+File       | Branch % | Line % |
+--------------------------------
+ source.ts |    100.0 |  100.0 |
+--------------------------------
+ All files |    100.0 |  100.0 |
+--------------------------------

tests/specs/coverage/filter_doc_testing_urls/source.ts

@@ -0,0 +1,9 @@
+/**
+ * @example Usage
+ * ```ts
+ * add(1, 2); // 3
+ * ```
+ */
+export function add(a: number, b: number): number {
+  return a + b;
+}

tests/specs/coverage/filter_doc_testing_urls/test.ts

@@ -0,0 +1,7 @@
+import { add } from "./source.ts";
+
+Deno.test("add()", () => {
+  if (add(1, 2) !== 3) {
+    throw new Error("test failed");
+  }
+});

tests/specs/coverage/filter_doc_testing_urls/test_coverage.out

@@ -0,0 +1,9 @@
+Check [WILDCARD]/test.ts
+Check [WILDCARD]/source.ts$[WILDCARD].ts
+running 1 test from ./test.ts
+add() ... ok ([WILDCARD])
+running 1 test from ./source.ts$[WILDCARD].ts
+file:///[WILDCARD]/source.ts$[WILDCARD].ts ... ok ([WILDCARD])
+
+ok | 2 passed | 0 failed ([WILDCARD])
+