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test(inspector): park the inspectee at a second debugger statement before it exits #39698

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test(inspector): park the inspectee at a second debugger statement before it exits #39698

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11 changes: 10 additions & 1 deletion test/cli/inspect/bun-inspector-protocol.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -98,13 +98,19 @@ function checkObject(
const fixtureFiles = ["entry.mjs", "dep.cjs"];

test("the protocol snapshot in packages/bun-inspector-protocol matches what bun sends", async () => {
// reportError() counts as an unhandled error, so bun exits with code 1 as soon as the
// module body finishes, whatever else is scheduled. The second debugger statement keeps
// the inspectee parked after the session resumes it from the first one: the inspector's
// messages are written by the debugger thread, and a process that exits right after
// resuming can be gone before the Debugger.resume response and the Debugger.resumed
// event have been written to the socket.
using dir = tempDir("bun-inspector-protocol", {
"entry.mjs": `
import "./dep.cjs";
console.log("hello");
reportError(new Error("reported"));
debugger;
setInterval(() => {}, 60_000);
debugger;
`,
"dep.cjs": `module.exports = 1;`,
});
Expand Down Expand Up @@ -230,9 +236,12 @@ test("the protocol snapshot in packages/bun-inspector-protocol matches what bun
await send("LifecycleReporter.getModuleGraph");

const resumed = waitForEvent("Debugger.resumed");
const pausedAgain = waitForEvent("Debugger.paused");
await send("Debugger.resume");
await resumed;
await pausedAgain;
} finally {
// Closing the last connection resumes the parked inspectee, which then exits.
ws.close();
}

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