test(@angular-devkit/build-angular): add dev-server builder verbose option tests

This change adds expanded unit tests for the dev-server builder's `verbose` option using the builder test harness.

Author: clydin

packages/angular_devkit/build_angular/src/dev-server/tests/options/verbose_spec.ts

@@ -0,0 +1,60 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+import { serveWebpackBrowser } from '../../index';
+import { BASE_OPTIONS, DEV_SERVER_BUILDER_INFO, describeBuilder, setupBrowserTarget } from '../setup';
+
+const VERBOSE_LOG_TEXT = 'Built at';
+
+describeBuilder(serveWebpackBrowser, DEV_SERVER_BUILDER_INFO, (harness) => {
+  describe('Option: "verbose"', () => {
+    beforeEach(() => {
+      setupBrowserTarget(harness);
+    });
+
+    it('shows verbose logs in console when true', async () => {
+      harness.useTarget('serve', {
+        ...BASE_OPTIONS,
+        verbose: true,
+      });
+
+      const { result, logs } = await harness.executeOnce();
+
+      expect(result?.success).toBe(true);
+      expect(logs).toContain(
+        jasmine.objectContaining({ message: jasmine.stringMatching(VERBOSE_LOG_TEXT) }),
+      );
+    });
+
+    it('does not show verbose logs in console when false', async () => {
+      harness.useTarget('serve', {
+        ...BASE_OPTIONS,
+        verbose: false,
+      });
+
+      const { result, logs } = await harness.executeOnce();
+
+      expect(result?.success).toBe(true);
+      expect(logs).not.toContain(
+        jasmine.objectContaining({ message: jasmine.stringMatching(VERBOSE_LOG_TEXT) }),
+      );
+    });
+
+    it('does not show verbose logs in console when not present', async () => {
+      harness.useTarget('serve', {
+        ...BASE_OPTIONS,
+      });
+
+      const { result, logs } = await harness.executeOnce();
+
+      expect(result?.success).toBe(true);
+      expect(logs).not.toContain(
+        jasmine.objectContaining({ message: jasmine.stringMatching(VERBOSE_LOG_TEXT) }),
+      );
+    });
+  });
+});

packages/angular_devkit/build_angular/src/dev-server/works_spec.ts

@@ -38,18 +38,6 @@ describe('Dev Server Builder', () => {
     expect(await response.text()).toContain('<title>HelloWorldApp</title>');
   }, 30000);
 
-  it('works with verbose', async () => {
-    const logger = new logging.Logger('verbose-serve');
-    let logs = '';
-    logger.subscribe(event => logs += event.message);
-
-    const run = await architect.scheduleTarget(target, { verbose: true }, { logger });
-    runs.push(run);
-    const output = await run.result as DevServerBuilderOutput;
-    expect(output.success).toBe(true);
-    expect(logs).toContain('Built at');
-  }, 30000);
-
   it(`doesn't serve files on the cwd directly`, async () => {
     const run = await architect.scheduleTarget(target);
     runs.push(run);