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fix(material/form-field): allow getting harness by validity #26232

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Merged
merged 2 commits into from
Dec 13, 2022
Merged

fix(material/form-field): allow getting harness by validity #26232

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3475e30
fix(material/form-field): allow getting harness by validity
mmalerba Dec 9, 2022
7b2e728
fixup! fix(material/form-field): allow getting harness by validity
mmalerba Dec 12, 2022
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2 changes: 2 additions & 0 deletions src/material/form-field/testing/form-field-harness-filters.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -14,4 +14,6 @@ export interface FormFieldHarnessFilters extends BaseHarnessFilters {
floatingLabelText?: string | RegExp;
/** Filters based on whether the form field has error messages. */
hasErrors?: boolean;
/** Filters based on whether the form field value is valid. */
isValid?: boolean;
}
5 changes: 5 additions & 0 deletions src/material/form-field/testing/form-field-harness.ts
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Expand Up @@ -248,6 +248,11 @@ export class MatFormFieldHarness extends _MatFormFieldHarnessBase<
'hasErrors',
options.hasErrors,
async (harness, hasErrors) => (await harness.hasErrors()) === hasErrors,
)
.addOption(
'isValid',
options.isValid,
async (harness, isValid) => (await harness.isControlValid()) === isValid,
);
}

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11 changes: 11 additions & 0 deletions src/material/form-field/testing/shared.spec.ts
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Expand Up @@ -197,6 +197,17 @@ export function runHarnessTests(
);
});

it('should be able to get form-field by validity', async () => {
let invalid = await loader.getAllHarnesses(formFieldHarness.with({isValid: false}));
expect(invalid.length).toBe(0);

fixture.componentInstance.requiredControl.setValue('');
dispatchFakeEvent(fixture.nativeElement.querySelector('#with-errors input'), 'blur');

invalid = await loader.getAllHarnesses(formFieldHarness.with({isValid: false}));
expect(invalid.length).toBe(1);
});

it('should be able to get error harnesses from the form-field harness', async () => {
const formFields = await loader.getAllHarnesses(formFieldHarness);
expect(await formFields[1].getErrors()).toEqual([]);
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5 changes: 5 additions & 0 deletions src/material/legacy-form-field/testing/form-field-harness.ts
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Expand Up @@ -57,6 +57,11 @@ export class MatLegacyFormFieldHarness extends _MatFormFieldHarnessBase<
'hasErrors',
options.hasErrors,
async (harness, hasErrors) => (await harness.hasErrors()) === hasErrors,
)
.addOption(
'isValid',
options.isValid,
async (harness, isValid) => (await harness.isControlValid()) === isValid,
);
}

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1 change: 1 addition & 0 deletions tools/public_api_guard/material/form-field-testing.md
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Expand Up @@ -28,6 +28,7 @@ export type FormFieldControlHarness = MatInputHarness | MatSelectHarness | MatDa
export interface FormFieldHarnessFilters extends BaseHarnessFilters {
floatingLabelText?: string | RegExp;
hasErrors?: boolean;
isValid?: boolean;
}

// @public
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