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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
const { NodeHTTPServer } = ChromeUtils.importESModule(
);
// A 4xx response with no body is what nsURILoader turns into
// NS_ERROR_NET_EMPTY_RESPONSE.
//
// registerPathHandler ships the handler to a separate Node process via
// handler.toString(), so it must not close over anything from this scope;
// pick a self-contained handler before registering it.
async function startEmptyResponseServer(setContentLength) {
const server = new NodeHTTPServer();
await server.start();
registerCleanupFunction(() => server.stop());
const handler = setContentLength
? (req, resp) => {
resp.writeHead(404, { "Content-Length": "0" });
resp.end();
}
: (req, resp) => {
resp.writeHead(404);
resp.end();
};
await server.registerPathHandler("/empty", handler);
return `${server.origin()}/empty`;
}
async function loadEmptyResponseErrorPage(url) {
let browser, tab;
let pageLoaded;
await BrowserTestUtils.openNewForegroundTab(
gBrowser,
() => {
gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser, url);
browser = gBrowser.selectedBrowser;
tab = gBrowser.selectedTab;
pageLoaded = BrowserTestUtils.waitForErrorPage(browser);
},
false
);
info("Loading and waiting for the net error.");
await pageLoaded;
return { browser, tab };
}
async function assertEmptyResponseCopy(browser) {
await SpecialPowers.spawn(browser, [], async () => {
await ContentTaskUtils.waitForCondition(
() => content?.document?.querySelector("net-error-card"),
"Wait for empty-response copy to render"
);
const doc = content.document;
const netErrorCard = doc.querySelector("net-error-card").wrappedJSObject;
Assert.ok(netErrorCard, "NetErrorCard supports empty server responses.");
Assert.ok(netErrorCard.errorTitle, "NetErrorCard has errorTitle.");
Assert.ok(netErrorCard.errorIntro, "NetErrorCard has errorIntro.");
Assert.ok(netErrorCard.tryAgainButton, "NetErrorCard has tryAgainButton.");
Assert.equal(
netErrorCard.errorTitle.dataset.l10nId,
"problem-with-this-site-title",
"Using the 'problem with this site' title"
);
Assert.equal(
netErrorCard.errorIntro.dataset.l10nId,
"fp-neterror-http-error-intro",
"Using the HTTP error intro."
);
const list = netErrorCard.renderRoot.querySelector(".what-can-you-do-list");
Assert.ok(list, "NetErrorCard has what-can-you-do list.");
Assert.ok(
list.querySelector('[data-l10n-id="neterror-http-error-page"]'),
"List includes check-the-address item"
);
Assert.ok(
list.querySelector('[data-l10n-id="neterror-load-error-try-again"]'),
"List includes try-again item"
);
Assert.ok(
ContentTaskUtils.isVisible(netErrorCard.tryAgainButton),
"The 'Try Again' button is shown."
);
});
}
add_task(async function test_net_empty_response_copy() {
await setSecurityCertErrorsFeltPrivacyToTrue();
const url = await startEmptyResponseServer(true);
const { browser, tab } = await loadEmptyResponseErrorPage(url);
await assertEmptyResponseCopy(browser);
BrowserTestUtils.removeTab(tab);
});
add_task(async function test_net_empty_response_copy_no_content_length() {
await setSecurityCertErrorsFeltPrivacyToTrue();
const url = await startEmptyResponseServer(false);
const { browser, tab } = await loadEmptyResponseErrorPage(url);
await assertEmptyResponseCopy(browser);
BrowserTestUtils.removeTab(tab);
});