feat(tabs): move harnesses out of experimental

src/material/tabs/testing/BUILD.bazel

@@ -0,0 +1,47 @@
+package(default_visibility = ["//visibility:public"])
+
+load("//tools:defaults.bzl", "ng_module", "ng_test_library", "ng_web_test_suite")
+
+ng_module(
+    name = "testing",
+    srcs = glob(
+        ["**/*.ts"],
+        exclude = ["**/*.spec.ts"],
+    ),
+    module_name = "@angular/material/tabs/testing",
+    deps = [
+        "//src/cdk/coercion",
+        "//src/cdk/testing",
+    ],
+)
+
+ng_test_library(
+    name = "harness_tests_lib",
+    srcs = ["shared.spec.ts"],
+    deps = [
+        ":testing",
+        "//src/cdk/testing",
+        "//src/cdk/testing/testbed",
+        "//src/material/tabs",
+        "@npm//@angular/forms",
+        "@npm//@angular/platform-browser",
+    ],
+)
+
+ng_test_library(
+    name = "unit_tests_lib",
+    srcs = glob(
+        ["**/*.spec.ts"],
+        exclude = ["shared.spec.ts"],
+    ),
+    deps = [
+        ":harness_tests_lib",
+        ":testing",
+        "//src/material/tabs",
+    ],
+)
+
+ng_web_test_suite(
+    name = "unit_tests",
+    deps = [":unit_tests_lib"],
+)

src/material/tabs/testing/index.ts

@@ -0,0 +1,9 @@
+/**
+ * @license
+ * Copyright Google LLC 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
+ */
+
+export * from './public-api';

src/material/tabs/testing/public-api.ts

@@ -0,0 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC 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
+ */
+
+export * from './tab-group-harness';
+export * from './tab-harness';
+export * from './tab-harness-filters';

src/material-experimental/mdc-tabs/harness/tab-group-harness.spec.ts → src/material/tabs/testing/shared.spec.ts

@@ -6,38 +6,26 @@ import {MatTabsModule} from '@angular/material/tabs';
 import {NoopAnimationsModule} from '@angular/platform-browser/animations';
 import {MatTabGroupHarness} from './tab-group-harness';
 
-let fixture: ComponentFixture<TabGroupHarnessTest>;
-let loader: HarnessLoader;
-let tabGroupHarness: typeof MatTabGroupHarness;
-
-describe('MatTabGroupHarness', () => {
-  describe('non-MDC-based', () => {
-    beforeEach(async () => {
-      await TestBed
-          .configureTestingModule({
-            imports: [MatTabsModule, NoopAnimationsModule],
-            declarations: [TabGroupHarnessTest],
-          })
-          .compileComponents();
-
-      fixture = TestBed.createComponent(TabGroupHarnessTest);
-      fixture.detectChanges();
-      loader = TestbedHarnessEnvironment.loader(fixture);
-      tabGroupHarness = MatTabGroupHarness;
-    });
-
-    runTests();
+/** Shared tests to run on both the original and MDC-based tab-group's. */
+export function runHarnessTests(
+    tabsModule: typeof MatTabsModule,
+    tabGroupHarness: typeof MatTabGroupHarness) {
+  let fixture: ComponentFixture<TabGroupHarnessTest>;
+  let loader: HarnessLoader;
+
+  beforeEach(async () => {
+    await TestBed
+        .configureTestingModule({
+          imports: [tabsModule, NoopAnimationsModule],
+          declarations: [TabGroupHarnessTest],
+        })
+        .compileComponents();
+
+    fixture = TestBed.createComponent(TabGroupHarnessTest);
+    fixture.detectChanges();
+    loader = TestbedHarnessEnvironment.loader(fixture);
   });
 
-  describe(
-      'MDC-based',
-      () => {
-          // TODO: run tests for MDC based tab-group once implemented.
-      });
-});
-
-/** Shared tests to run on both the original and MDC-based tab-group's. */
-function runTests() {
   it('should load harness for tab-group', async () => {
     const tabGroups = await loader.getAllHarnesses(tabGroupHarness);
     expect(tabGroups.length).toBe(1);

src/material/tabs/testing/tab-group-harness.spec.ts

@@ -0,0 +1,7 @@
+import {MatTabsModule} from '@angular/material/tabs';
+import {runHarnessTests} from '@angular/material/tabs/testing/shared.spec';
+import {MatTabGroupHarness} from './tab-group-harness';
+
+describe('Non-MDC-based MatTabGroupHarness', () => {
+  runHarnessTests(MatTabsModule, MatTabGroupHarness);
+});

src/material-experimental/mdc-tabs/harness/tab-group-harness.ts → src/material/tabs/testing/tab-group-harness.ts

@@ -7,7 +7,7 @@
  */
 
 import {ComponentHarness, HarnessPredicate} from '@angular/cdk/testing';
-import {TabGroupHarnessFilters} from './tab-group-harness-filters';
+import {TabGroupHarnessFilters} from './tab-harness-filters';
 import {MatTabHarness} from './tab-harness';
 
 /**

src/material-experimental/mdc-tabs/harness/tab-group-harness-filters.ts → src/material/tabs/testing/tab-harness-filters.ts

@@ -7,6 +7,8 @@
  */
 import {BaseHarnessFilters} from '@angular/cdk/testing';
 
+export interface TabHarnessFilters extends BaseHarnessFilters {}
+
 export interface TabGroupHarnessFilters extends BaseHarnessFilters {
   selectedTabLabel?: string | RegExp;
 }

src/material-experimental/mdc-tabs/harness/tab-harness.ts → src/material/tabs/testing/tab-harness.ts

@@ -6,7 +6,8 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {ComponentHarness, TestElement} from '@angular/cdk/testing';
+import {ComponentHarness, HarnessPredicate, TestElement} from '@angular/cdk/testing';
+import {TabHarnessFilters} from './tab-harness-filters';
 
 /**
  * Harness for interacting with a standard Angular Material tab-label in tests.
@@ -15,6 +16,13 @@ import {ComponentHarness, TestElement} from '@angular/cdk/testing';
 export class MatTabHarness extends ComponentHarness {
   static hostSelector = '.mat-tab-label';
 
+  /**
+   * Gets a `HarnessPredicate` that can be used to search for a tab with specific attributes.
+   */
+  static with(options: TabHarnessFilters = {}): HarnessPredicate<MatTabHarness> {
+    return new HarnessPredicate(MatTabHarness, options);
+  }
+
   private _rootLocatorFactory = this.documentRootLocatorFactory();
 
   /** Gets the label of the tab. */

test/karma-system-config.js

@@ -145,6 +145,8 @@ System.config({
     '@angular/material/stepper': 'dist/packages/material/stepper/index.js',
     '@angular/material/table': 'dist/packages/material/table/index.js',
     '@angular/material/tabs': 'dist/packages/material/tabs/index.js',
+    '@angular/material/tabs/testing': 'dist/packages/material/tabs/testing/index.js',
+    '@angular/material/tabs/testing/shared.spec': 'dist/packages/material/tabs/testing/shared.spec.js',
     '@angular/material/testing': 'dist/packages/material/testing/index.js',
     '@angular/material/toolbar': 'dist/packages/material/toolbar/index.js',
     '@angular/material/tooltip': 'dist/packages/material/tooltip/index.js',