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feat(material/schematics): add chips styles migrator and tests
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@amysorto @mmalerba
amysorto authored and mmalerba committed Jul 15, 2022
1 parent 84398f4 commit 0108de5
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2 changes: 2 additions & 0 deletions integration/mdc-migration/golden/src/styles.scss
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Expand Up @@ -48,6 +48,8 @@ $sample-project-theme: mat.define-light-theme((
@include mat.mdc-paginator-typography($sample-project-theme);
@include mat.mdc-dialog-theme($sample-project-theme);
@include mat.mdc-dialog-typography($sample-project-theme);
@include mat.mdc-chips-theme($sample-project-theme);
@include mat.mdc-chips-typography($sample-project-theme);
@include mat.mdc-checkbox-theme($sample-project-theme);
@include mat.mdc-checkbox-typography($sample-project-theme);
@include mat.mdc-card-theme($sample-project-theme);
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274 changes: 274 additions & 0 deletions ...material/schematics/ng-generate/mdc-migration/rules/components/chips/chips-styles.spec.ts
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@@ -0,0 +1,274 @@
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('chips styles', () => {
let runner: SchematicTestRunner;
let cliAppTree: UnitTestTree;

async function runMigrationTest(oldFileContent: string, newFileContent: string) {
cliAppTree.create(THEME_FILE, oldFileContent);
const tree = await migrateComponents(['chips'], 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;
$theme: ();
@include mat.chips-theme($theme);
`,
`
@use '@angular/material' as mat;
$theme: ();
@include mat.mdc-chips-theme($theme);
@include mat.mdc-chips-typography($theme);
`,
);
});

it('should use the correct namespace', async () => {
await runMigrationTest(
`
@use '@angular/material' as arbitrary;
$theme: ();
@include arbitrary.chips-theme($theme);
`,
`
@use '@angular/material' as arbitrary;
$theme: ();
@include arbitrary.mdc-chips-theme($theme);
@include arbitrary.mdc-chips-typography($theme);
`,
);
});

it('should handle updating multiple themes', async () => {
await runMigrationTest(
`
@use '@angular/material' as mat;
$light-theme: ();
$dark-theme: ();
@include mat.chips-theme($light-theme);
@include mat.chips-theme($dark-theme);
`,
`
@use '@angular/material' as mat;
$light-theme: ();
$dark-theme: ();
@include mat.mdc-chips-theme($light-theme);
@include mat.mdc-chips-typography($light-theme);
@include mat.mdc-chips-theme($dark-theme);
@include mat.mdc-chips-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-chips-theme($theme);
@include mat.mdc-chips-typography($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-chips-theme($light-theme);
@include mat.mdc-chips-typography($light-theme);
@include mat.all-component-themes($dark-theme);
@include mat.mdc-chips-theme($dark-theme);
@include mat.mdc-chips-typography($dark-theme);
`,
);
});

it('should preserve whitespace', async () => {
await runMigrationTest(
`
@use '@angular/material' as mat;
$theme: ();
@include mat.chips-theme($theme);
`,
`
@use '@angular/material' as mat;
$theme: ();
@include mat.mdc-chips-theme($theme);
@include mat.mdc-chips-typography($theme);
`,
);
});
});

describe('selector migrations', () => {
it('should update the legacy mat-chip classname', async () => {
await runMigrationTest(
`
.mat-chip {
padding: 50px;
}
`,
`
.mat-mdc-chip {
padding: 50px;
}
`,
);
});

it('should update multiple legacy classnames', async () => {
await runMigrationTest(
`
.mat-chip {
height: 50px;
}
.mat-basic-chip {
background: red;
}
`,
`
.mat-mdc-chip {
height: 50px;
}
.mat-mdc-basic-chip {
background: red;
}
`,
);
});

it('should update a legacy classname w/ multiple selectors', async () => {
await runMigrationTest(
`
.some-class.mat-chip, .another-class {
height: 50px;
}
`,
`
.some-class.mat-mdc-chip, .another-class {
height: 50px;
}
`,
);
});

it('should preserve the whitespace of multiple selectors', async () => {
await runMigrationTest(
`
.some-class,
.mat-chip,
.another-class { height: 50px; }
`,
`
.some-class,
.mat-mdc-chip,
.another-class { height: 50px; }
`,
);
});

it('should add comment for potentially deprecated selector', async () => {
await runMigrationTest(
`
.mat-chip-avatar {
border-radius: 4px;
}
`,
`
/* TODO: The following rule targets internal classes of chips that may no longer apply for the MDC version. */
.mat-chip-avatar {
border-radius: 4px;
}
`,
);
});

it('should not add comment for legacy selector that also starts with deprecated prefix', async () => {
await runMigrationTest(
`
.mat-chip-grid {
padding: 12px;
}
`,
`
.mat-mdc-chip-grid {
padding: 12px;
}
`,
);
});

it('should add comment for potentially deprecated multi-line selector', async () => {
await runMigrationTest(
`
.some-class
.mat-chip-avatar {
border-radius: 4px;
}
`,
`
/* TODO: The following rule targets internal classes of chips that may no longer apply for the MDC version. */
.some-class
.mat-chip-avatar {
border-radius: 4px;
}
`,
);
});

it('should update the legacy mat-chip class and add comment for potentially deprecated selector', async () => {
await runMigrationTest(
`
.mat-chip.some-class, .mat-chip-avatar {
border-radius: 4px;
}
`,
`
/* TODO: The following rule targets internal classes of chips that may no longer apply for the MDC version. */
.mat-mdc-chip.some-class, .mat-chip-avatar {
border-radius: 4px;
}
`,
);
});
});
});
31 changes: 31 additions & 0 deletions src/material/schematics/ng-generate/mdc-migration/rules/components/chips/chips-styles.ts
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@@ -0,0 +1,31 @@
/**
* @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 ChipsStylesMigrator extends StyleMigrator {
component = 'chips';

deprecatedPrefix = 'mat-chip';

mixinChanges = [
{
old: 'chips-theme',
new: ['mdc-chips-theme', 'mdc-chips-typography'],
},
];

classChanges: ClassNameChange[] = [
{old: '.mat-chip-set', new: '.mat-mdc-chip-set'},
{old: '.mat-chip-grid', new: '.mat-mdc-chip-grid'},
{old: '.mat-chip', new: '.mat-mdc-chip'},
{old: '.mat-basic-chip', new: '.mat-mdc-basic-chip'},
{old: '.mat-standard-chip', new: '.mat-mdc-standard-chip'},
{old: '.mat-chip-input', new: '.mat-mdc-chip-input'},
];
}
2 changes: 2 additions & 0 deletions src/material/schematics/ng-generate/mdc-migration/rules/index.ts
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Expand Up @@ -9,6 +9,7 @@
import {ButtonStylesMigrator} from './components/button/button-styles';
import {CardStylesMigrator} from './components/card/card-styles';
import {CheckboxStylesMigrator} from './components/checkbox/checkbox-styles';
import {ChipsStylesMigrator} from './components/chips/chips-styles';
import {DialogStylesMigrator} from './components/dialog/dialog-styles';
import {PaginatorStylesMigrator} from './components/paginator/paginator-styles';
import {ProgressBarStylesMigrator} from './components/progress-bar/progress-bar-styles';
Expand All @@ -23,6 +24,7 @@ export const MIGRATORS: StyleMigrator[] = [
new ButtonStylesMigrator(),
new CardStylesMigrator(),
new CheckboxStylesMigrator(),
new ChipsStylesMigrator(),
new DialogStylesMigrator(),
new PaginatorStylesMigrator(),
new ProgressBarStylesMigrator(),
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