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Set the event handlers in the integration tests before any event is triggered

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The function evaluateOnNewDocument in Puppeteer allow us to execute some js before the pdf.js one
is loaded.
It allows us to stub some setters before there are used and then set some event handlers very soon.
This commit is contained in:
Calixte Denizet 2024-08-16 18:06:53 +01:00
parent d8d9cff715
commit 5e4948062c
4 changed files with 81 additions and 70 deletions
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44
test/integration/scripting_spec.mjs
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@ -1764,38 +1764,28 @@ describe("Interaction", () => {
// it is usually very fast and therefore activating the selector check
// too late will cause it to never resolve because printing is already
// done (and the printed page div removed) before we even get to it.
pages = await loadAndWait(
"autoprint.pdf",
"",
null /* zoom = */,
async page => {
pages = await loadAndWait("autoprint.pdf", "", null /* zoom = */, {
postPageSetup: async page => {
printHandles.set(
page,
page.evaluateHandle(() => [
new Promise(resolve => {
globalThis.printResolve = resolve;
}),
window.PDFViewerApplication._testPrintResolver.promise,
])
);
await page.waitForFunction(() => {
// We don't really need to print the document.
window.print = () => {};
if (!window.PDFViewerApplication?.eventBus) {
return false;
}
window.PDFViewerApplication.eventBus.on(
"print",
() => {
const resolve = globalThis.printResolve;
delete globalThis.printResolve;
resolve();
},
{ once: true }
);
return true;
});
}
);
},
appSetup: app => {
app._testPrintResolver = Promise.withResolvers();
},
eventBusSetup: eventBus => {
eventBus.on(
"print",
() => {
window.PDFViewerApplication._testPrintResolver.resolve();
},
{ once: true }
);
},
});
});
afterAll(async () => {