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8b95ee5fab
* sets up linting config and runs `yarn lint --fix` once, so that all changes will show up correctly in future PRs. * Note that there are still a lot of linter errors.
39 lines
1.5 KiB
TypeScript
39 lines
1.5 KiB
TypeScript
import assert from "assert-diff";
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import { ExponentialBackoff } from "../src/client/backoff";
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describe("ExponentialBackoff", function () {
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it("duration() return value starts with the min value", function () {
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// default: 100ms
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assert(new ExponentialBackoff().duration(), 100);
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assert(new ExponentialBackoff({ min: 100 }).duration(), 100);
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assert(new ExponentialBackoff({ min: 123 }).duration(), 123);
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});
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it("duration() return value increases when called multiple times", function () {
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const backoff = new ExponentialBackoff({ min: 100, max: 1000 });
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assert.strictEqual(backoff.duration(), 100);
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assert.strictEqual(backoff.duration(), 200);
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assert.strictEqual(backoff.duration(), 400);
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assert.strictEqual(backoff.duration(), 800);
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});
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it("duration() never returns greater than the max value", function () {
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const backoff = new ExponentialBackoff({ min: 300, max: 1000 });
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assert.strictEqual(backoff.duration(), 300);
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assert.strictEqual(backoff.duration(), 600);
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assert.strictEqual(backoff.duration(), 1000);
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assert.strictEqual(backoff.duration(), 1000);
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});
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it("reset() will reset the duration() value", function () {
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const backoff = new ExponentialBackoff({ min: 100, max: 1000 });
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assert.strictEqual(backoff.duration(), 100);
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assert.strictEqual(backoff.duration(), 200);
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assert.strictEqual(backoff.duration(), 400);
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backoff.reset();
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assert.strictEqual(backoff.duration(), 100);
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assert.strictEqual(backoff.duration(), 200);
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});
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});
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