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-rw-r--r--netwerk/test/browser/browser_103_preconnect.js71
1 files changed, 71 insertions, 0 deletions
diff --git a/netwerk/test/browser/browser_103_preconnect.js b/netwerk/test/browser/browser_103_preconnect.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+Services.prefs.setBoolPref("network.early-hints.enabled", true);
+Services.prefs.setBoolPref("network.early-hints.preconnect.enabled", true);
+Services.prefs.setBoolPref("network.http.debug-observations", true);
+Services.prefs.setIntPref("network.early-hints.preconnect.max_connections", 10);
+
+registerCleanupFunction(function () {
+ Services.prefs.clearUserPref("network.early-hints.enabled");
+ Services.prefs.clearUserPref("network.early-hints.preconnect.enabled");
+ Services.prefs.clearUserPref("network.http.debug-observations");
+ Services.prefs.clearUserPref(
+ "network.early-hints.preconnect.max_connections"
+ );
+});
+
+// Test steps:
+// 1. Load early_hint_preconnect_html.sjs
+// 2. In early_hint_preconnect_html.sjs, a 103 response with
+// "rel=preconnect" is returned.
+// 3. We use "speculative-connect-request" topic to observe whether the
+// speculative connection is attempted.
+// 4. Finally, we check if the observed URL is the same as the expected.
+async function test_hint_preconnect(href, crossOrigin) {
+ let requestUrl = `https://example.com/browser/netwerk/test/browser/early_hint_preconnect_html.sjs?href=${href}&crossOrigin=${crossOrigin}`;
+
+ let observed = "";
+ let observer = {
+ QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
+ observe(aSubject, aTopic, aData) {
+ if (aTopic == "speculative-connect-request") {
+ Services.obs.removeObserver(observer, "speculative-connect-request");
+ observed = aData;
+ }
+ },
+ };
+ Services.obs.addObserver(observer, "speculative-connect-request");
+
+ await BrowserTestUtils.withNewTab(
+ {
+ gBrowser,
+ url: requestUrl,
+ waitForLoad: true,
+ },
+ async function () {}
+ );
+
+ // Extracting "localhost:443"
+ let hostPortRegex = /\[.*\](.*?)\^/;
+ let hostPortMatch = hostPortRegex.exec(observed);
+ let hostPort = hostPortMatch ? hostPortMatch[1] : "";
+ // Extracting "%28https%2Cexample.com%29"
+ let partitionKeyRegex = /\^partitionKey=(.*)$/;
+ let partitionKeyMatch = partitionKeyRegex.exec(observed);
+ let partitionKey = partitionKeyMatch ? partitionKeyMatch[1] : "";
+ // See nsHttpConnectionInfo::BuildHashKey, the second character is A if this
+ // is an anonymous connection.
+ let anonymousFlag = observed[2];
+
+ Assert.equal(anonymousFlag, crossOrigin === "use-credentials" ? "." : "A");
+ Assert.equal(hostPort, "localhost:443");
+ Assert.equal(partitionKey, "%28https%2Cexample.com%29");
+}
+
+add_task(async function test_103_preconnect() {
+ await test_hint_preconnect("https://localhost", "use-credentials");
+ await test_hint_preconnect("https://localhost", "");
+ await test_hint_preconnect("https://localhost", "anonymous");
+});