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fix: A testing bug in FCC's React Simple Counter Challenge (#35715)

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chaomt
2019-04-03 23:24:05 -04:00
committed by Tom
parent 2462cfa1d9
commit 216e10e2b7
1 changed files with 1 additions and 1 deletions
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curriculum/challenges/english/03-front-end-libraries/react/write-a-simple-counter.english.md
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@ -30,7 +30,7 @@ tests:
- text: Clicking the decrement button should decrement the count by <code>1</code>. - text: Clicking the decrement button should decrement the count by <code>1</code>.
testString: 'async () => { const waitForIt = (fn) => new Promise((resolve, reject) => setTimeout(() => resolve(fn()), 250)); const mockedComponent = Enzyme.mount(React.createElement(Counter)); const first = () => { mockedComponent.setState({ count: 0 }); return waitForIt(() => mockedComponent.state(''count'')); }; const second = () => { mockedComponent.find(''.dec'').simulate(''click''); return waitForIt(() => mockedComponent.state(''count'')); }; const firstValue = await first(); const secondValue = await second(); assert(firstValue === 0 && secondValue === -1, ''Clicking the decrement button should decrement the count by <code>1</code>.''); }; ' testString: 'async () => { const waitForIt = (fn) => new Promise((resolve, reject) => setTimeout(() => resolve(fn()), 250)); const mockedComponent = Enzyme.mount(React.createElement(Counter)); const first = () => { mockedComponent.setState({ count: 0 }); return waitForIt(() => mockedComponent.state(''count'')); }; const second = () => { mockedComponent.find(''.dec'').simulate(''click''); return waitForIt(() => mockedComponent.state(''count'')); }; const firstValue = await first(); const secondValue = await second(); assert(firstValue === 0 && secondValue === -1, ''Clicking the decrement button should decrement the count by <code>1</code>.''); }; '
- text: Clicking the reset button should reset the count to <code>0</code>. - text: Clicking the reset button should reset the count to <code>0</code>.
testString: 'async () => { const waitForIt = (fn) => new Promise((resolve, reject) => setTimeout(() => resolve(fn()), 250)); const mockedComponent = Enzyme.mount(React.createElement(Counter)); const init = () => { mockedComponent.setState({ count: 0 }); return waitForIt(() => mockedComponent.state(''count'')); }; const increment = () => { mockedComponent.find(''.inc'').simulate(''click''); mockedComponent.find(''.inc'').simulate(''click''); return waitForIt(() => mockedComponent.state(''count'')); }; const decrement = () => { mockedComponent.find(''.dec'').simulate(''click''); return waitForIt(() => mockedComponent.state(''count'')); }; const reset = () => { mockedComponent.find(''.reset'').simulate(''click''); return waitForIt(() => mockedComponent.state(''count'')); }; const firstValue = await init(); const secondValue = await increment(); const thirdValue = await decrement(); const fourthValue = await reset(); assert(firstValue === 0 && secondValue === 2 && thirdValue === 1 && fourthValue === 0, ''Clicking the reset button should reset the count to <code>0</code>.''); }; ' testString: 'async () => { const waitForIt = (fn) => new Promise((resolve, reject) => setTimeout(() => resolve(fn()), 250)); const mockedComponent = Enzyme.mount(React.createElement(Counter)); const init = () => { mockedComponent.setState({ count: 0 }); return waitForIt(() => mockedComponent.state(''count'')); }; const increment = () => { mockedComponent.find(''.inc'').simulate(''click''); mockedComponent.find(''.inc'').simulate(''click''); mockedComponent.find(''.inc'').simulate(''click''); return waitForIt(() => mockedComponent.state(''count'')); }; const decrement = () => { mockedComponent.find(''.dec'').simulate(''click''); return waitForIt(() => mockedComponent.state(''count'')); }; const reset = () => { mockedComponent.find(''.reset'').simulate(''click''); return waitForIt(() => mockedComponent.state(''count'')); }; const firstValue = await init(); const secondValue = await increment(); const thirdValue = await decrement(); const fourthValue = await reset(); assert(firstValue === 0 && secondValue === 3 && thirdValue === 2 && fourthValue === 0, ''Clicking the reset button should reset the count to <code>0</code>.''); }; '
``` ```