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5b5c165e10
* Define matchers to test promise fulfillment These are useful for validating that promises depend on other events prior to fulfilling. * Expose custom matchers to jest projects Team-specific projects are not touched here to try and reduce review burden. * Block browser local operations awaiting reseed This should closes a narrow race condition resulting from storage operations during a reseed event. * Import from barrel file This might fix the failing test, but I'm not sure _why_ * Document helper methods * Validate as few properties as possible per test * Simplify expected value representation * Allow waiting in promise matchers * Specify resolution times in promise orchestration tests. * Test behavior triggering multiple reseeds. * Fix typo * Avoid testing implementation details * Clear reseed on startup in case a previous process was aborted in the middle of a reseed. * Correct formatting
58 lines
2.2 KiB
TypeScript
58 lines
2.2 KiB
TypeScript
import { toBeFulfilled, toBeResolved, toBeRejected } from "./promise-fulfilled";
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import { toAlmostEqual } from "./to-almost-equal";
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import { toEqualBuffer } from "./to-equal-buffer";
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export * from "./to-equal-buffer";
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export * from "./to-almost-equal";
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export * from "./promise-fulfilled";
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export function addCustomMatchers() {
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expect.extend({
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toEqualBuffer: toEqualBuffer,
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toAlmostEqual: toAlmostEqual,
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toBeFulfilled: toBeFulfilled,
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toBeResolved: toBeResolved,
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toBeRejected: toBeRejected,
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});
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}
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export interface CustomMatchers<R = unknown> {
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toEqualBuffer(expected: Uint8Array | ArrayBuffer): R;
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/**
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* Matches the expected date within an optional ms precision
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* @param expected The expected date
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* @param msPrecision The optional precision in milliseconds
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*/
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toAlmostEqual(expected: Date, msPrecision?: number): R;
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/**
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* Matches whether the received promise has been fulfilled.
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*
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* Failure if the promise is not currently fulfilled.
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*
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* @param received The promise to test
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* @param withinMs The time within the promise should be fulfilled. Defaults to 0, indicating that the promise should already be fulfilled
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* @returns CustomMatcherResult indicating whether or not the test passed
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*/
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toBeFulfilled(withinMs?: number): Promise<R>;
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/**
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* Matches whether the received promise has been resolved.
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*
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* Failure if the promise is not currently fulfilled or if it has been rejected.
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*
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* @param received The promise to test
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* @param withinMs The time within the promise should be resolved. Defaults to 0, indicating that the promise should already be resolved
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* @returns CustomMatcherResult indicating whether or not the test passed
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*/
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toBeResolved(withinMs?: number): Promise<R>;
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/**
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* Matches whether the received promise has been rejected.
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*
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* Failure if the promise is not currently fulfilled or if it has been resolved, but not rejected.
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*
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* @param received The promise to test
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* @param withinMs The time within the promise should be rejected. Defaults to 0, indicating that the promise should already be rejected
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* @returns CustomMatcherResult indicating whether or not the test passed
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*/
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toBeRejected(withinMs?: number): Promise<R>;
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}
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