Add code coverage for font tests

Author: calixteman

.github/workflows/font_tests.yml

@@ -59,3 +59,16 @@ jobs:
 
       - name: Run font tests
         run: npx gulp fonttest --headless
+
+      - name: Run font tests with code coverage
+        run: npx gulp fonttest --headless --coverage --coverage-output build/coverage/font
+
+      - name: Upload results to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: true
+          files: ./build/coverage/font/lcov.info
+          flags: fonttest
+          name: codecov-umbrella
+          verbose: true

gulpfile.mjs

@@ -731,6 +731,15 @@ function runTests(testsName, { bot = false, xfaOnly = false } = {}) {
     if (process.argv.includes("--headless")) {
       args.push("--headless");
     }
+    if (process.argv.includes("--coverage")) {
+      args.push("--coverage");
+    }
+    if (process.argv.includes("--coverage-output")) {
+      args.push(
+        "--coverage-output",
+        process.argv[process.argv.indexOf("--coverage-output") + 1]
+      );
+    }
 
     const testProcess = startNode(args, { cwd: TEST_DIR, stdio: "inherit" });
     testProcess.on("close", function (code) {

package-lock.json

@@ -15,6 +15,7 @@
     "autoprefixer": "^10.4.24",
     "babel-loader": "^10.0.0",
     "babel-plugin-add-header-comment": "^1.0.3",
+    "babel-plugin-istanbul": "^7.0.1",
     "c8": "^10.1.3",
     "cached-iterable": "^0.3.0",
     "caniuse-lite": "^1.0.30001769",
@@ -37,6 +38,9 @@
     "gulp-sourcemaps": "^3.0.0",
     "gulp-zip": "^6.1.0",
     "highlight.js": "^11.11.1",
+    "istanbul-lib-coverage": "^3.2.2",
+    "istanbul-lib-report": "^3.0.1",
+    "istanbul-reports": "^3.2.0",
     "jasmine": "^5.13.0",
     "jsdoc": "^4.0.5",
     "jstransformer-nunjucks": "^1.2.0",