test_runner: don't await the same promise for each test · nodejs/node@4648c83 · GitHub

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Commit 4648c83

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cjihrig

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test_runner: don't await the same promise for each test

Prior to this commit, each top level test awaited the same global promise for setting up test reporters. This commit updates the logic to only await the promise the first time it is encountered. PR-URL: #52185 Refs: #47164 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Chemi Atlow <chemi@atlow.co.il>

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  • harness.js

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‎lib/internal/test_runner/harness.js‎

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+5-1Lines changed: 5 additions & 1 deletion

Original file line number	Diff line number	Diff line change
@@ -225,7 +225,11 @@ function getGlobalRoot() {
225	225	}
226	226
227	227	async function startSubtest(subtest) {
228		- await reportersSetup;
	228	+ if (reportersSetup) {
	229	+ // Only incur the overhead of awaiting the Promise once.
	230	+ await reportersSetup;
	231	+ reportersSetup = undefined;
	232	+ }
229	233
230	234	const root = getGlobalRoot();
231	235	if (!root.harness.bootstrapComplete) {

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