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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| import {render} from './helpers/test-utils' | ||
|
|
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| describe('.toHaveValue', () => { | ||
| test('handles value of text input', () => { | ||
| const {queryByTestId} = render(` | ||
| <input type="text" value="foo" data-testid="value" /> | ||
| <input type="text" value="" data-testid="empty" /> | ||
| <input type="text" data-testid="without" /> | ||
| `) | ||
|
|
||
| expect(queryByTestId('value')).toHaveValue('foo') | ||
| expect(queryByTestId('value')).toHaveValue() | ||
| expect(queryByTestId('value')).not.toHaveValue('bar') | ||
| expect(queryByTestId('value')).not.toHaveValue('') | ||
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||
| expect(queryByTestId('empty')).toHaveValue('') | ||
| expect(queryByTestId('empty')).not.toHaveValue() | ||
| expect(queryByTestId('empty')).not.toHaveValue('foo') | ||
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|
||
| expect(queryByTestId('without')).toHaveValue('') | ||
| expect(queryByTestId('without')).not.toHaveValue() | ||
| expect(queryByTestId('without')).not.toHaveValue('foo') | ||
| queryByTestId('without').value = 'bar' | ||
| expect(queryByTestId('without')).toHaveValue('bar') | ||
| }) | ||
|
|
||
| test('handles value of number input', () => { | ||
| const {queryByTestId} = render(` | ||
| <input type="number" value="5" data-testid="number" /> | ||
| <input type="number" value="" data-testid="empty" /> | ||
| <input type="number" data-testid="without" /> | ||
| `) | ||
|
|
||
| expect(queryByTestId('number')).toHaveValue(5) | ||
| expect(queryByTestId('number')).toHaveValue() | ||
| expect(queryByTestId('number')).not.toHaveValue(4) | ||
| expect(queryByTestId('number')).not.toHaveValue('5') | ||
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| expect(queryByTestId('empty')).toHaveValue(null) | ||
| expect(queryByTestId('empty')).not.toHaveValue() | ||
| expect(queryByTestId('empty')).not.toHaveValue('5') | ||
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| expect(queryByTestId('without')).toHaveValue(null) | ||
| expect(queryByTestId('without')).not.toHaveValue() | ||
| expect(queryByTestId('without')).not.toHaveValue('10') | ||
| queryByTestId('without').value = 10 | ||
| expect(queryByTestId('without')).toHaveValue(10) | ||
| }) | ||
|
|
||
| test('handles value of select element', () => { | ||
| const {queryByTestId} = render(` | ||
| <select data-testid="single"> | ||
| <option value="first">First Value</option> | ||
| <option value="second" selected>Second Value</option> | ||
| <option value="third">Third Value</option> | ||
| </select> | ||
| <select data-testid="multiple" multiple> | ||
| <option value="first">First Value</option> | ||
| <option value="second" selected>Second Value</option> | ||
| <option value="third" selected>Third Value</option> | ||
| </select> | ||
| <select data-testid="not-selected" > | ||
| <option value="" disabled selected>- Select some value - </option> | ||
| <option value="first">First Value</option> | ||
| <option value="second">Second Value</option> | ||
| <option value="third">Third Value</option> | ||
| </select> | ||
| `) | ||
|
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||
| expect(queryByTestId('single')).toHaveValue('second') | ||
| expect(queryByTestId('single')).toHaveValue() | ||
|
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| expect(queryByTestId('multiple')).toHaveValue(['second', 'third']) | ||
| expect(queryByTestId('multiple')).toHaveValue() | ||
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| expect(queryByTestId('not-selected')).not.toHaveValue() | ||
| expect(queryByTestId('not-selected')).toHaveValue('') | ||
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| queryByTestId('single').children[0].setAttribute('selected', true) | ||
| expect(queryByTestId('single')).toHaveValue('first') | ||
| }) | ||
|
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||
| test('handles value of textarea element', () => { | ||
| const {queryByTestId} = render(` | ||
| <textarea data-testid="textarea">text value</textarea> | ||
| `) | ||
| expect(queryByTestId('textarea')).toHaveValue('text value') | ||
| }) | ||
|
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| test('throws when passed checkbox or radio', () => { | ||
| const {queryByTestId} = render(` | ||
| <input data-testid="checkbox" type="checkbox" name="checkbox" value="val" checked /> | ||
| <input data-testid="radio" type="radio" name="radio" value="val" checked /> | ||
| `) | ||
|
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| expect(() => { | ||
| expect(queryByTestId('checkbox')).toHaveValue('') | ||
| }).toThrow() | ||
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| expect(() => { | ||
| expect(queryByTestId('radio')).toHaveValue('') | ||
| }).toThrow() | ||
| }) | ||
| }) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| import {matcherHint} from 'jest-matcher-utils' | ||
| import isEqualWith from 'lodash/isEqualWith' | ||
| import { | ||
| checkHtmlElement, | ||
| compareArraysAsSet, | ||
| getMessage, | ||
| getSingleElementValue, | ||
| } from './utils' | ||
|
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||
| export function toHaveValue(htmlElement, expectedValue) { | ||
| checkHtmlElement(htmlElement, toHaveValue, this) | ||
|
|
||
| if ( | ||
| htmlElement.tagName.toLowerCase() === 'input' && | ||
| ['checkbox', 'radio'].includes(htmlElement.type) | ||
| ) { | ||
| throw new Error( | ||
| 'input with type=checkbox or type=radio cannot be used with .toHaveValue(). Use .toHaveFormValues() instead', | ||
| ) | ||
| } | ||
|
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| const receivedValue = getSingleElementValue(htmlElement) | ||
| const expectsValue = expectedValue !== undefined | ||
| return { | ||
| pass: expectsValue | ||
| ? isEqualWith(receivedValue, expectedValue, compareArraysAsSet) | ||
| : Boolean(receivedValue), | ||
| message: () => { | ||
| const to = this.isNot ? 'not to' : 'to' | ||
| const matcher = matcherHint( | ||
| `${this.isNot ? '.not' : ''}.toHaveValue`, | ||
| 'element', | ||
| expectedValue, | ||
| ) | ||
| return getMessage( | ||
| matcher, | ||
| `Expected the element ${to} have value`, | ||
| expectsValue ? expectedValue : '(any)', | ||
| 'Received', | ||
| receivedValue, | ||
| ) | ||
| }, | ||
| } | ||
| } |
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