feat(material/schematics): add input styles migrator and tests

integration/mdc-migration/golden/src/styles.scss

@@ -54,6 +54,8 @@ $sample-project-theme: mat.define-light-theme((
 @include mat.mdc-menu-typography($sample-project-theme);
 @include mat.mdc-list-theme($sample-project-theme);
 @include mat.mdc-list-typography($sample-project-theme);
+@include mat.mdc-input-theme($sample-project-theme);
+@include mat.mdc-input-typography($sample-project-theme);
 @include mat.mdc-form-field-theme($sample-project-theme);
 @include mat.mdc-form-field-typography($sample-project-theme);
 @include mat.mdc-dialog-theme($sample-project-theme);

src/material/schematics/ng-generate/mdc-migration/rules/components/input/input-styles.spec.ts

@@ -0,0 +1,262 @@
+import {createTestApp, patchDevkitTreeToExposeTypeScript} from '@angular/cdk/schematics/testing';
+import {SchematicTestRunner, UnitTestTree} from '@angular-devkit/schematics/testing';
+import {createNewTestRunner, migrateComponents, THEME_FILE} from '../test-setup-helper';
+
+describe('input styles', () => {
+  let runner: SchematicTestRunner;
+  let cliAppTree: UnitTestTree;
+
+  async function runMigrationTest(oldFileContent: string, newFileContent: string) {
+    cliAppTree.create(THEME_FILE, oldFileContent);
+    const tree = await migrateComponents(['input'], runner, cliAppTree);
+    expect(tree.readContent(THEME_FILE)).toBe(newFileContent);
+  }
+
+  beforeEach(async () => {
+    runner = createNewTestRunner();
+    cliAppTree = patchDevkitTreeToExposeTypeScript(await createTestApp(runner));
+  });
+
+  describe('mixin migrations', () => {
+    it('should replace the old theme with the new ones', async () => {
+      await runMigrationTest(
+        `
+        @use '@angular/material' as mat;
+        $theme: ();
+        @include mat.input-theme($theme);
+      `,
+        `
+        @use '@angular/material' as mat;
+        $theme: ();
+        @include mat.mdc-input-theme($theme);
+        @include mat.mdc-input-typography($theme);
+      `,
+      );
+    });
+
+    it('should use the correct namespace', async () => {
+      await runMigrationTest(
+        `
+        @use '@angular/material' as arbitrary;
+        $theme: ();
+        @include arbitrary.input-theme($theme);
+      `,
+        `
+        @use '@angular/material' as arbitrary;
+        $theme: ();
+        @include arbitrary.mdc-input-theme($theme);
+        @include arbitrary.mdc-input-typography($theme);
+      `,
+      );
+    });
+
+    it('should handle updating multiple themes', async () => {
+      await runMigrationTest(
+        `
+        @use '@angular/material' as mat;
+        $light-theme: ();
+        $dark-theme: ();
+        @include mat.input-theme($light-theme);
+        @include mat.input-theme($dark-theme);
+      `,
+        `
+        @use '@angular/material' as mat;
+        $light-theme: ();
+        $dark-theme: ();
+        @include mat.mdc-input-theme($light-theme);
+        @include mat.mdc-input-typography($light-theme);
+        @include mat.mdc-input-theme($dark-theme);
+        @include mat.mdc-input-typography($dark-theme);
+      `,
+      );
+    });
+
+    it('should add correct theme if all-component-themes mixin included', async () => {
+      await runMigrationTest(
+        `
+        @use '@angular/material' as mat;
+        $theme: ();
+        @include mat.all-component-themes($theme);
+      `,
+        `
+        @use '@angular/material' as mat;
+        $theme: ();
+        @include mat.all-component-themes($theme);
+        @include mat.mdc-select-theme($theme);
+        @include mat.mdc-select-typography($theme);
+        @include mat.mdc-core-theme($theme);
+        @include mat.mdc-core-typography($theme);
+        @include mat.mdc-input-theme($theme);
+        @include mat.mdc-input-typography($theme);
+        @include mat.mdc-form-field-theme($theme);
+        @include mat.mdc-form-field-typography($theme);
+        @include mat.mdc-autocomplete-theme($theme);
+        @include mat.mdc-autocomplete-typography($theme);
+      `,
+      );
+    });
+
+    it('should add multiple themes for multiple all-component-themes mixins', async () => {
+      await runMigrationTest(
+        `
+        @use '@angular/material' as mat;
+        $light-theme: ();
+        $dark-theme: ();
+        @include mat.all-component-themes($light-theme);
+        @include mat.all-component-themes($dark-theme);
+      `,
+        `
+        @use '@angular/material' as mat;
+        $light-theme: ();
+        $dark-theme: ();
+        @include mat.all-component-themes($light-theme);
+        @include mat.mdc-select-theme($light-theme);
+        @include mat.mdc-select-typography($light-theme);
+        @include mat.mdc-core-theme($light-theme);
+        @include mat.mdc-core-typography($light-theme);
+        @include mat.mdc-input-theme($light-theme);
+        @include mat.mdc-input-typography($light-theme);
+        @include mat.mdc-form-field-theme($light-theme);
+        @include mat.mdc-form-field-typography($light-theme);
+        @include mat.mdc-autocomplete-theme($light-theme);
+        @include mat.mdc-autocomplete-typography($light-theme);
+        @include mat.all-component-themes($dark-theme);
+        @include mat.mdc-select-theme($dark-theme);
+        @include mat.mdc-select-typography($dark-theme);
+        @include mat.mdc-core-theme($dark-theme);
+        @include mat.mdc-core-typography($dark-theme);
+        @include mat.mdc-input-theme($dark-theme);
+        @include mat.mdc-input-typography($dark-theme);
+        @include mat.mdc-form-field-theme($dark-theme);
+        @include mat.mdc-form-field-typography($dark-theme);
+        @include mat.mdc-autocomplete-theme($dark-theme);
+        @include mat.mdc-autocomplete-typography($dark-theme);
+      `,
+      );
+    });
+
+    it('should preserve whitespace', async () => {
+      await runMigrationTest(
+        `
+        @use '@angular/material' as mat;
+        $theme: ();
+
+
+        @include mat.input-theme($theme);
+
+
+      `,
+        `
+        @use '@angular/material' as mat;
+        $theme: ();
+
+
+        @include mat.mdc-input-theme($theme);
+        @include mat.mdc-input-typography($theme);
+
+
+      `,
+      );
+    });
+  });
+
+  describe('selector migrations', () => {
+    it('should update the legacy mat-input classname', async () => {
+      await runMigrationTest(
+        `
+        .mat-input-element {
+          color: red;
+        }
+      `,
+        `
+        .mat-mdc-input-element {
+          color: red;
+        }
+      `,
+      );
+    });
+
+    it('should update a legacy classname w/ multiple selectors', async () => {
+      await runMigrationTest(
+        `
+        .some-class.mat-input-element, .another-class {
+          color: red;
+        }
+      `,
+        `
+        .some-class.mat-mdc-input-element, .another-class {
+          color: red;
+        }
+      `,
+      );
+    });
+
+    it('should preserve the whitespace of multiple selectors', async () => {
+      await runMigrationTest(
+        `
+        .some-class,
+        .mat-input-element,
+        .another-class { color: red; }
+      `,
+        `
+        .some-class,
+        .mat-mdc-input-element,
+        .another-class { color: red; }
+      `,
+      );
+    });
+
+    it('should add comment for potentially deprecated selector', async () => {
+      await runMigrationTest(
+        `
+        .mat-input-server {
+          color: red;
+        }
+      `,
+        `
+        /* TODO: The following rule targets internal classes of input that may no longer apply for the MDC version. */
+
+        .mat-input-server {
+          color: red;
+        }
+      `,
+      );
+    });
+
+    it('should add comment for potentially deprecated multi-line selector', async () => {
+      await runMigrationTest(
+        `
+        .some-class
+        .mat-input-server {
+          color: red;
+        }
+      `,
+        `
+        /* TODO: The following rule targets internal classes of input that may no longer apply for the MDC version. */
+
+        .some-class
+        .mat-input-server {
+          color: red;
+        }
+      `,
+      );
+    });
+
+    it('should update the legacy mat-input class and add comment for potentially deprecated selector', async () => {
+      await runMigrationTest(
+        `
+        .mat-input-element.some-class, .mat-input-server {
+          color: red;
+        }
+      `,
+        `
+        /* TODO: The following rule targets internal classes of input that may no longer apply for the MDC version. */
+
+        .mat-mdc-input-element.some-class, .mat-input-server {
+          color: red;
+        }
+      `,
+      );
+    });
+  });
+});

src/material/schematics/ng-generate/mdc-migration/rules/components/input/input-styles.ts

@@ -0,0 +1,24 @@
+/**
+ * @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
+ */
+
+import {ClassNameChange, StyleMigrator} from '../../style-migrator';
+
+export class InputStylesMigrator extends StyleMigrator {
+  component = 'input';
+
+  deprecatedPrefixes = ['mat-input'];
+
+  mixinChanges = [
+    {
+      old: 'input-theme',
+      new: ['mdc-input-theme', 'mdc-input-typography'],
+    },
+  ];
+
+  classChanges: ClassNameChange[] = [{old: '.mat-input-element', new: '.mat-mdc-input-element'}];
+}

src/material/schematics/ng-generate/mdc-migration/rules/index.ts

@@ -18,6 +18,7 @@ import {CheckboxStylesMigrator} from './components/checkbox/checkbox-styles';
 import {ChipsStylesMigrator} from './components/chips/chips-styles';
 import {DialogStylesMigrator} from './components/dialog/dialog-styles';
 import {FormFieldStylesMigrator} from './components/form-field/form-field-styles';
+import {InputStylesMigrator} from './components/input/input-styles';
 import {ListStylesMigrator} from './components/list/list-styles';
 import {MenuStylesMigrator} from './components/menu/menu-styles';
 import {PaginatorStylesMigrator} from './components/paginator/paginator-styles';
@@ -70,6 +71,10 @@ export const MIGRATORS: ComponentMigrator[] = [
     component: 'form-field',
     styles: new FormFieldStylesMigrator(),
   },
+  {
+    component: 'input',
+    styles: new InputStylesMigrator(),
+  },
   {
     component: 'list',
     styles: new ListStylesMigrator(),