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button-styles.spec.ts
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button-styles.spec.ts
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import {createTestApp, patchDevkitTreeToExposeTypeScript} from '@angular/cdk/schematics/testing';
import {SchematicTestRunner, UnitTestTree} from '@angular-devkit/schematics/testing';
import {Schema} from '../schema';
import {runfiles} from '@bazel/runfiles';
describe('button styles', () => {
let runner: SchematicTestRunner;
let cliAppTree: UnitTestTree;
const tsconfig = '/projects/material/tsconfig.app.json';
const themeFile = '/projects/material/src/theme.scss';
async function runMigrationTest(oldFileContent: string, newFileContent: string) {
cliAppTree.create(themeFile, oldFileContent);
const tree = await migrate({tsconfig, components: ['button']});
expect(tree.readContent(themeFile)).toBe(newFileContent);
}
beforeEach(async () => {
runner = new SchematicTestRunner(
'@angular/material',
runfiles.resolveWorkspaceRelative('src/material/schematics/collection.json'),
);
cliAppTree = patchDevkitTreeToExposeTypeScript(await createTestApp(runner));
});
async function migrate(options: Schema): Promise<UnitTestTree> {
return await runner.runSchematicAsync('mdcMigration', options, cliAppTree).toPromise();
}
describe('mixin migrations', () => {
it('should replace the old theme with the new ones', async () => {
await runMigrationTest(
`
@use '@angular/material' as mat;
$theme: ();
@include mat.button-theme($theme);
`,
`
@use '@angular/material' as mat;
$theme: ();
@include mat.mdc-button-theme($theme);
@include mat.mdc-button-typography($theme);
@include mat.mdc-fab-theme($theme);
@include mat.mdc-fab-typography($theme);
@include mat.mdc-icon-theme($theme);
@include mat.mdc-icon-typography($theme);
`,
);
});
it('should use the correct namespace', async () => {
await runMigrationTest(
`
@use '@angular/material' as arbitrary;
$theme: ();
@include arbitrary.button-theme($theme);
`,
`
@use '@angular/material' as arbitrary;
$theme: ();
@include arbitrary.mdc-button-theme($theme);
@include arbitrary.mdc-button-typography($theme);
@include arbitrary.mdc-fab-theme($theme);
@include arbitrary.mdc-fab-typography($theme);
@include arbitrary.mdc-icon-theme($theme);
@include arbitrary.mdc-icon-typography($theme);
`,
);
});
it('should handle updating multiple themes', async () => {
await runMigrationTest(
`
@use '@angular/material' as mat;
$light-theme: ();
$dark-theme: ();
@include mat.button-theme($light-theme);
@include mat.button-theme($dark-theme);
`,
`
@use '@angular/material' as mat;
$light-theme: ();
$dark-theme: ();
@include mat.mdc-button-theme($light-theme);
@include mat.mdc-button-typography($light-theme);
@include mat.mdc-fab-theme($light-theme);
@include mat.mdc-fab-typography($light-theme);
@include mat.mdc-icon-theme($light-theme);
@include mat.mdc-icon-typography($light-theme);
@include mat.mdc-button-theme($dark-theme);
@include mat.mdc-button-typography($dark-theme);
@include mat.mdc-fab-theme($dark-theme);
@include mat.mdc-fab-typography($dark-theme);
@include mat.mdc-icon-theme($dark-theme);
@include mat.mdc-icon-typography($dark-theme);
`,
);
});
it('should preserve whitespace', async () => {
await runMigrationTest(
`
@use '@angular/material' as mat;
$theme: ();
@include mat.button-theme($theme);
`,
`
@use '@angular/material' as mat;
$theme: ();
@include mat.mdc-button-theme($theme);
@include mat.mdc-button-typography($theme);
@include mat.mdc-fab-theme($theme);
@include mat.mdc-fab-typography($theme);
@include mat.mdc-icon-theme($theme);
@include mat.mdc-icon-typography($theme);
`,
);
});
});
describe('selector migrations', () => {
it('should update the legacy mat-button classname', async () => {
await runMigrationTest(
`
.mat-button {
padding: 50px;
}
`,
`
.mat-mdc-button {
padding: 50px;
}
`,
);
});
it('should update multiple legacy classnames', async () => {
await runMigrationTest(
`
.mat-button {
padding: 50px;
}
.mat-button-base {
padding: 25px;
}
`,
`
.mat-mdc-button {
padding: 50px;
}
.mat-mdc-button-base {
padding: 25px;
}
`,
);
});
it('should update a legacy classname w/ multiple selectors', async () => {
await runMigrationTest(
`
.some-class.mat-button, .another-class {
padding: 50px;
}
`,
`
.some-class.mat-mdc-button, .another-class {
padding: 50px;
}
`,
);
});
it('should preserve the whitespace of multiple selectors', async () => {
await runMigrationTest(
`
.some-class,
.mat-button,
.another-class { padding: 50px; }
`,
`
.some-class,
.mat-mdc-button,
.another-class { padding: 50px; }
`,
);
});
});
});