55 lines
1.3 KiB
TypeScript
55 lines
1.3 KiB
TypeScript
import { expect, test } from "bun:test"
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import type { Page } from "@playwright/test"
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import { measureSessionSwitch } from "../timeline/session-tab-switch-probe"
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function testPage(waitFailure?: Error) {
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const stops: unknown[] = []
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const page = {
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evaluate: async (_callback: unknown, input?: unknown) => {
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if (input) return
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stops.push(undefined)
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},
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waitForFunction: async () => {
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if (waitFailure) throw waitFailure
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},
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} as unknown as Page
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return { page, stops }
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}
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function input(run: () => Promise<void>) {
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return {
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destinationIDs: ["destination"],
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sourceIDs: ["source"],
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lastID: "destination",
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href: "/session/destination",
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switch: run,
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}
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}
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test("stops sampling when the session switch fails", async () => {
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const failure = new Error("switch failed")
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const context = testPage()
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await expect(
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measureSessionSwitch(
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context.page,
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input(async () => Promise.reject(failure)),
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),
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).rejects.toBe(failure)
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expect(context.stops).toHaveLength(1)
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})
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test("stops sampling when the stable wait fails", async () => {
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const failure = new Error("stable wait failed")
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const context = testPage(failure)
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await expect(
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measureSessionSwitch(
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context.page,
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input(async () => {}),
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),
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).rejects.toBe(failure)
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expect(context.stops).toHaveLength(1)
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})
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