Logan Rosen
d24c9d9ff4
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D230598
82 lines
2.5 KiB
JavaScript
82 lines
2.5 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Test that we do get the appropriate stylesheet content when the stylesheet is only
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// served based on the Accept: text/css header
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add_task(async function () {
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const httpServer = createTestHTTPServer();
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httpServer.registerContentType("html", "text/html");
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httpServer.registerPathHandler("/index.html", function (request, response) {
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response.setStatusLine(request.httpVersion, 200, "OK");
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response.write(`
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<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Test stylesheet</title>
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<link href="/test/" rel="stylesheet" type="text/css"/>
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<script src="/test/"></script>
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<h1>Hello</h1>
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`);
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});
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let resourceUrlCalls = 0;
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// The /test/ URL should be called:
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// - once by the content page to load the <link>
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// - once by the content page to load the <script>
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// - once by DevTools to fetch the stylesheet text
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// (we could probably optimize this so we only call once)
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const expectedResourceUrlCalls = 3;
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const styleSheetText = `body { background-color: tomato; }`;
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httpServer.registerPathHandler("/test/", function (request, response) {
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resourceUrlCalls++;
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response.setStatusLine(request.httpVersion, 200, "OK");
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if (request.getHeader("Accept").startsWith("text/css")) {
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response.setHeader("Content-Type", "text/css", false);
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response.write(styleSheetText);
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return;
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}
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response.setHeader("Content-Type", "application/javascript", false);
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response.write(`/* NOT A STYLESHEET */`);
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});
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const port = httpServer.identity.primaryPort;
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const TEST_URL = `http://localhost:${port}/index.html`;
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info("Check resource available feature of the ResourceCommand");
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const tab = await addTab(TEST_URL);
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const { client, resourceCommand, targetCommand } =
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await initResourceCommand(tab);
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info("Check whether ResourceCommand gets existing stylesheet");
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const availableResources = [];
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await resourceCommand.watchResources([resourceCommand.TYPES.STYLESHEET], {
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onAvailable: resources => availableResources.push(...resources),
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});
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is(
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availableResources.length,
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1,
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"We have the expected number of stylesheets"
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);
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is(
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await getStyleSheetResourceText(availableResources[0]),
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styleSheetText,
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"Got expected text for the stylesheet"
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);
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is(
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resourceUrlCalls,
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expectedResourceUrlCalls,
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"The /test URL was called the number of time we expected"
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);
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targetCommand.destroy();
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await client.close();
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});
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