59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
const NS_PER_SEC = 1e9;
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const NS_PER_MS = 1e6;
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const IS_DEBUGGING = process.execArgv.join(' ').includes('--inspect-brk');
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let testTimeoutNS;
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export const setTestTimeout = newTimeoutMS => {
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const newTimeoutNS = newTimeoutMS * NS_PER_MS;
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// never accept a smaller timeout than the default
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if (newTimeoutNS < testTimeoutNS) {
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return;
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}
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testTimeoutNS = newTimeoutNS;
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jest.setTimeout(newTimeoutMS);
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};
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// Allows slow tests to set their own timeout.
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// Useful for tests with jQuery, which is very slow in big DOMs.
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let temporaryTimeoutNS = null;
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export const setTestTimeoutOnce = newTimeoutMS => {
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const newTimeoutNS = newTimeoutMS * NS_PER_MS;
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// never accept a smaller timeout than the default
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if (newTimeoutNS < testTimeoutNS) {
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return;
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}
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temporaryTimeoutNS = newTimeoutNS;
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};
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export const initializeTestTimeout = defaultTimeoutMS => {
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setTestTimeout(defaultTimeoutMS);
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let testStartTime;
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// https://github.com/facebook/jest/issues/6947
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beforeEach(() => {
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testStartTime = process.hrtime();
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});
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afterEach(() => {
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let timeoutNS = testTimeoutNS;
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if (Number.isFinite(temporaryTimeoutNS)) {
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timeoutNS = temporaryTimeoutNS;
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temporaryTimeoutNS = null;
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}
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const [seconds, remainingNs] = process.hrtime(testStartTime);
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const elapsedNS = seconds * NS_PER_SEC + remainingNs;
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// Disable the timeout error when debugging. It is meaningless because
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// debugging always takes longer than the test timeout.
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if (elapsedNS > timeoutNS && !IS_DEBUGGING) {
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throw new Error(
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`Test took too long (${elapsedNS / NS_PER_MS}ms > ${timeoutNS / NS_PER_MS}ms)!`,
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);
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}
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});
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};
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