0974700557
This converts all pure tests to Jest. This was done by first running `npx jest-codemods` with the Mocha transformation, then manually fixing any places where it hadn't automatically converted the correct thing or had missed things (mostly Sinon). This also sets up VSCode correctly for running Jest.
59 lines
1.7 KiB
TypeScript
59 lines
1.7 KiB
TypeScript
import {
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EvaluationLogProblemReporter,
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EvaluationLogScannerSet,
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} from "../../src/log-insights/log-scanner";
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import { JoinOrderScannerProvider } from "../../src/log-insights/join-order";
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import * as path from "path";
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interface TestProblem {
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predicateName: string;
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raHash: string;
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iteration: number;
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message: string;
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}
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class TestProblemReporter implements EvaluationLogProblemReporter {
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public readonly problems: TestProblem[] = [];
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public reportProblem(
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predicateName: string,
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raHash: string,
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iteration: number,
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message: string,
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): void {
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this.problems.push({
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predicateName,
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raHash,
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iteration,
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message,
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});
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}
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public log(message: string): void {
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console.log(message);
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}
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}
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describe("log scanners", () => {
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it("should detect bad join orders", async () => {
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const scanners = new EvaluationLogScannerSet();
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scanners.registerLogScannerProvider(new JoinOrderScannerProvider(() => 50));
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const summaryPath = path.join(
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__dirname,
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"evaluator-log-summaries/bad-join-order.jsonl",
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);
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const problemReporter = new TestProblemReporter();
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await scanners.scanLog(summaryPath, problemReporter);
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expect(problemReporter.problems.length).toBe(1);
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expect(problemReporter.problems[0].predicateName).toBe("#select#ff");
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expect(problemReporter.problems[0].raHash).toBe(
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"1bb43c97jpmuh8r2v0f9hktim63",
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);
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expect(problemReporter.problems[0].iteration).toBe(0);
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expect(problemReporter.problems[0].message).toBe(
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"Relation '#select#ff' has an inefficient join order. Its join order metric is 4961.83, which is larger than the threshold of 50.00.",
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);
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});
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});
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