feat(testrunner): support --file to filter tests by test file name. (#1903)

Author: aslushnikov

test/test.js

@@ -190,10 +190,34 @@ function collect(browserNames) {
       delete global[key];
   }
 
+  return testRunner;
+}
+
+module.exports = collect;
+
+if (require.main === module) {
+  console.log('Testing on Node', process.version);
+  const browserNames = ['chromium', 'firefox', 'webkit'].filter(name => {
+    return process.env.BROWSER === name || process.env.BROWSER === 'all';
+  });
+  const testRunner = collect(browserNames);
+
   const filterArgIndex = process.argv.indexOf('--filter');
   if (filterArgIndex !== -1) {
     const filter = process.argv[filterArgIndex + 1];
-    testRunner.focusMatchingTests(new RegExp(filter, 'i'));
+    if (!testRunner.focusMatchingNameTests(new RegExp(filter, 'i')).length) {
+      console.log('ERROR: no tests matched given `--filter` regex.');
+      process.exit(1);
+    }
+  }
+
+  const fileArgIndex = process.argv.indexOf('--file');
+  if (fileArgIndex !== -1) {
+    const filter = process.argv[fileArgIndex + 1];
+    if (!testRunner.focusMatchingFilePath(new RegExp(filter, 'i')).length) {
+      console.log('ERROR: no files matched given `--file` regex.');
+      process.exit(1);
+    }
   }
 
   const repeatArgIndex = process.argv.indexOf('--repeat');
@@ -203,16 +227,5 @@ function collect(browserNames) {
       testRunner.repeatAll(repeat);
   }
 
-  return testRunner;
-}
-
-module.exports = collect;
-
-if (require.main === module) {
-  console.log('Testing on Node', process.version);
-  const browserNames = ['chromium', 'firefox', 'webkit'].filter(name => {
-    return process.env.BROWSER === name || process.env.BROWSER === 'all';
-  });
-  const testRunner = collect(browserNames);
   testRunner.run().then(() => { delete global.expect; });
 }

utils/testrunner/index.js

@@ -82,11 +82,26 @@ class DefaultTestRunner {
     return this._api;
   }
 
-  focusMatchingTests(fullNameRegex) {
+  focusMatchingNameTests(fullNameRegex) {
+    const focusedTests = [];
     for (const test of this._collector.tests()) {
-      if (fullNameRegex.test(test.fullName()))
+      if (fullNameRegex.test(test.fullName())) {
         this._filter.markFocused(test);
+        focusedTests.push(test);
+      }
     }
+    return focusedTests;
+  }
+
+  focusMatchingFilePath(filepathRegex) {
+    const focusedTests = [];
+    for (const test of this._collector.tests()) {
+      if (filepathRegex.test(test.location().filePath())) {
+        this._filter.markFocused(test);
+        focusedTests.push(test);
+      }
+    }
+    return focusedTests;
   }
 
   repeatAll(repeatCount) {