Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 171 insertions, 0 deletions

diff --git a/netwerk/test/browser/browser_103_assets.js b/netwerk/test/browser/browser_103_assets.js
new file mode 100644
index 0000000000..c8de25c2ca
--- /dev/null
+++ b/netwerk/test/browser/browser_103_assets.js
@@ -0,0 +1,171 @@
+/* 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/. */
+
+// On debug osx test machine, verify chaos mode takes slightly too long
+requestLongerTimeout(2);
+
+Services.prefs.setBoolPref("network.early-hints.enabled", true);
+
+const { request_count_checking } = ChromeUtils.importESModule(
+  "resource://testing-common/early_hint_preload_test_helper.sys.mjs"
+);
+
+// - testName is just there to be printed during Asserts when failing
+// - asset is the asset type, see early_hint_asset_html.sjs for possible values
+//   for the asset type fetch see test_hint_fetch due to timing issues
+// - variant:
+//   - "normal": no early hints, expects one normal request expected
+//   - "hinted": early hints sent, expects one hinted request
+//   - "reload": early hints sent, resources non-cacheable, two early-hint requests expected
+//   - "cached": same as reload, but resources are cacheable, so only one hinted network request expected
+async function test_hint_asset(testName, asset, variant) {
+  // reset the count
+  let headers = new Headers();
+  headers.append("X-Early-Hint-Count-Start", "");
+  await fetch(
+    "http://example.com/browser/netwerk/test/browser/early_hint_pixel_count.sjs",
+    { headers }
+  );
+
+  let requestUrl = `https://example.com/browser/netwerk/test/browser/early_hint_asset_html.sjs?as=${asset}&hinted=${
+    variant !== "normal" ? "1" : "0"
+  }&cached=${variant === "cached" ? "1" : "0"}`;
+
+  let numConnectBackRemaining = 0;
+  if (variant === "hinted") {
+    numConnectBackRemaining = 1;
+  } else if (variant === "reload" || variant === "cached") {
+    numConnectBackRemaining = 2;
+  }
+
+  let observer = {
+    QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
+    observe(aSubject, aTopic, aData) {
+      if (aTopic == "earlyhints-connectback") {
+        numConnectBackRemaining -= 1;
+      }
+    },
+  };
+  Services.obs.addObserver(observer, "earlyhints-connectback");
+
+  await BrowserTestUtils.withNewTab(
+    {
+      gBrowser,
+      url: requestUrl,
+      waitForLoad: true,
+    },
+    async function (browser) {
+      if (asset === "fetch") {
+        // wait until the fetch is complete
+        await TestUtils.waitForCondition(_ => {
+          return SpecialPowers.spawn(browser, [], _ => {
+            return (
+              content.document.getElementsByTagName("h2")[0] != undefined &&
+              content.document.getElementsByTagName("h2")[0].textContent !==
+                "Fetching..." // default text set by early_hint_asset_html.sjs
+            );
+          });
+        });
+      }
+
+      // reload
+      if (variant === "reload" || variant === "cached") {
+        await BrowserTestUtils.reloadTab(gBrowser.selectedTab);
+      }
+
+      if (asset === "fetch") {
+        // wait until the fetch is complete
+        await TestUtils.waitForCondition(_ => {
+          return SpecialPowers.spawn(browser, [], _ => {
+            return (
+              content.document.getElementsByTagName("h2")[0] != undefined &&
+              content.document.getElementsByTagName("h2")[0].textContent !==
+                "Fetching..." // default text set by early_hint_asset_html.sjs
+            );
+          });
+        });
+      }
+    }
+  );
+  Services.obs.removeObserver(observer, "earlyhints-connectback");
+
+  let gotRequestCount = await fetch(
+    "http://example.com/browser/netwerk/test/browser/early_hint_pixel_count.sjs"
+  ).then(response => response.json());
+  Assert.equal(
+    numConnectBackRemaining,
+    0,
+    `${testName} (${asset}) no remaining connect back expected`
+  );
+
+  let expectedRequestCount;
+  if (variant === "normal") {
+    expectedRequestCount = { hinted: 0, normal: 1 };
+  } else if (variant === "hinted") {
+    expectedRequestCount = { hinted: 1, normal: 0 };
+  } else if (variant === "reload") {
+    expectedRequestCount = { hinted: 2, normal: 0 };
+  } else if (variant === "cached") {
+    expectedRequestCount = { hinted: 1, normal: 0 };
+  }
+
+  await request_count_checking(
+    `${testName} (${asset})`,
+    gotRequestCount,
+    expectedRequestCount
+  );
+  if (variant === "cached") {
+    Services.cache2.clear();
+  }
+}
+
+// preload image
+add_task(async function test_103_asset_image() {
+  await test_hint_asset("test_103_asset_normal", "image", "normal");
+  await test_hint_asset("test_103_asset_hinted", "image", "hinted");
+  await test_hint_asset("test_103_asset_reload", "image", "reload");
+  // TODO(Bug 1815884): await test_hint_asset("test_103_asset_cached", "image", "cached");
+});
+
+// preload css
+add_task(async function test_103_asset_style() {
+  await test_hint_asset("test_103_asset_normal", "style", "normal");
+  await test_hint_asset("test_103_asset_hinted", "style", "hinted");
+  await test_hint_asset("test_103_asset_reload", "style", "reload");
+  // TODO(Bug 1815884): await test_hint_asset("test_103_asset_cached", "style", "cached");
+});
+
+// preload javascript
+add_task(async function test_103_asset_javascript() {
+  await test_hint_asset("test_103_asset_normal", "script", "normal");
+  await test_hint_asset("test_103_asset_hinted", "script", "hinted");
+  await test_hint_asset("test_103_asset_reload", "script", "reload");
+  await test_hint_asset("test_103_asset_cached", "script", "cached");
+});
+
+// preload javascript module
+/* TODO(Bug 1798319): enable this test case
+add_task(async function test_103_asset_module() {
+  await test_hint_asset("test_103_asset_normal", "module", "normal");
+  await test_hint_asset("test_103_asset_hinted", "module", "hinted");
+  await test_hint_asset("test_103_asset_reload", "module", "reload");
+  await test_hint_asset("test_103_asset_cached", "module", "cached");
+});
+*/
+
+// preload font
+add_task(async function test_103_asset_font() {
+  await test_hint_asset("test_103_asset_normal", "font", "normal");
+  await test_hint_asset("test_103_asset_hinted", "font", "hinted");
+  await test_hint_asset("test_103_asset_reload", "font", "reload");
+  await test_hint_asset("test_103_asset_cached", "font", "cached");
+});
+
+// preload fetch
+add_task(async function test_103_asset_fetch() {
+  await test_hint_asset("test_103_asset_normal", "fetch", "normal");
+  await test_hint_asset("test_103_asset_hinted", "fetch", "hinted");
+  await test_hint_asset("test_103_asset_reload", "fetch", "reload");
+  await test_hint_asset("test_103_asset_cached", "fetch", "cached");
+});