Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that we do get the appropriate stylesheet content when the stylesheet is only
// served based on the Accept: text/css header
add_task(async function () {
const httpServer = createTestHTTPServer();
httpServer.registerContentType("html", "text/html");
httpServer.registerPathHandler("/index.html", function (request, response) {
response.setStatusLine(request.httpVersion, 200, "OK");
response.write(`
<!DOCTYPE html>
<meta charset="utf-8">
<title>Test stylesheet</title>
<link href="/test/" rel="stylesheet" type="text/css"/>
<script src="/test/"></script>
<h1>Hello</h1>
`);
});
let resourceUrlCalls = 0;
// The /test/ URL should be called:
// - once by the content page to load the <link>
// - once by the content page to load the <script>
// - once by DevTools to fetch the stylesheet text
// (we could probably optimize this so we only call once)
const expectedResourceUrlCalls = 3;
const styleSheetText = `body { background-color: tomato; }`;
httpServer.registerPathHandler("/test/", function (request, response) {
resourceUrlCalls++;
response.setStatusLine(request.httpVersion, 200, "OK");
if (request.getHeader("Accept").startsWith("text/css")) {
response.setHeader("Content-Type", "text/css", false);
response.write(styleSheetText);
return;
}
response.setHeader("Content-Type", "application/javascript", false);
response.write(`/* NOT A STYLESHEET */`);
});
const port = httpServer.identity.primaryPort;
info("Check resource available feature of the ResourceCommand");
const tab = await addTab(TEST_URL);
const { client, resourceCommand, targetCommand } = await initResourceCommand(
tab
);
info("Check whether ResourceCommand gets existing stylesheet");
const availableResources = [];
await resourceCommand.watchResources([resourceCommand.TYPES.STYLESHEET], {
onAvailable: resources => availableResources.push(...resources),
});
is(
availableResources.length,
1,
"We have the expected number of stylesheets"
);
is(
await getStyleSheetResourceText(availableResources[0]),
styleSheetText,
"Got expected text for the stylesheet"
);
is(
resourceUrlCalls,
expectedResourceUrlCalls,
"The /test URL was called the number of time we expected"
);
targetCommand.destroy();
await client.close();
});