1 files changed, 113 insertions, 0 deletions
diff --git a/browser/components/preferences/tests/browser_statePartitioning_strings.js b/browser/components/preferences/tests/browser_statePartitioning_strings.js
new file mode 100644
index 0000000000..62bcb027b1
--- /dev/null
+++ b/browser/components/preferences/tests/browser_statePartitioning_strings.js
@@ -0,0 +1,113 @@
+"use strict";
+
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const CB_STRICT_FEATURES_PREF = "browser.contentblocking.features.strict";
+const CB_STRICT_FEATURES_VALUE = "tp,tpPrivate,cookieBehavior5,cm,fp,stp,lvl2";
+const MVP_UI_PREF = "browser.contentblocking.state-partitioning.mvp.ui.enabled";
+const FPI_PREF = "privacy.firstparty.isolate";
+const COOKIE_BEHAVIOR_PREF = "network.cookie.cookieBehavior";
+const COOKIE_BEHAVIOR_VALUE = 5;
+
+async function testStrings(mvpUIEnabled) {
+  info(`Running testStrings with MVP UI pref set to ${MVP_UI_PREF}`);
+
+  SpecialPowers.pushPrefEnv({ set: [[MVP_UI_PREF, mvpUIEnabled]] });
+  await openPreferencesViaOpenPreferencesAPI("privacy", { leaveOpen: true });
+
+  let doc = gBrowser.contentDocument;
+
+  // Check the cookie blocking info strings
+  let elts = doc.querySelectorAll(
+    ".extra-information-label.cross-site-cookies-option"
+  );
+  for (let elt of elts) {
+    is(
+      elt.hidden,
+      !mvpUIEnabled,
+      `The new cross-site cookies info label is ${
+        mvpUIEnabled ? "visible" : "hidden"
+      }`
+    );
+  }
+
+  elts = doc.querySelectorAll(
+    ".extra-information-label.third-party-tracking-cookies-plus-isolate-option"
+  );
+  for (let elt of elts) {
+    is(
+      elt.hidden,
+      mvpUIEnabled,
+      `The old third party cookies info label is ${
+        mvpUIEnabled ? "hidden" : "visible"
+      }`
+    );
+  }
+
+  // Check the learn more strings
+  elts = doc.querySelectorAll(
+    ".tail-with-learn-more.content-blocking-warning-description"
+  );
+  let expectedStringID = mvpUIEnabled
+    ? "content-blocking-and-isolating-etp-warning-description-2"
+    : "content-blocking-and-isolating-etp-warning-description";
+  for (let elt of elts) {
+    let id = doc.l10n.getAttributes(elt).id;
+    is(
+      id,
+      expectedStringID,
+      "The correct warning description string is in use"
+    );
+  }
+
+  // Check the cookie blocking mode menu option string
+  let elt = doc.querySelector("#isolateCookiesSocialMedia");
+  let id = doc.l10n.getAttributes(elt).id;
+  expectedStringID = mvpUIEnabled
+    ? "sitedata-option-block-cross-site-cookies-including-social-media"
+    : "sitedata-option-block-cross-site-and-social-media-trackers-plus-isolate";
+  is(
+    id,
+    expectedStringID,
+    "The correct string is in use for the cookie blocking option"
+  );
+
+  // Check the FPI warning is hidden with FPI off
+  let warningElt = doc.getElementById("fpiIncompatibilityWarning");
+  is(warningElt.hidden, true, "The FPI warning is hidden");
+
+  gBrowser.removeCurrentTab();
+
+  // Check the FPI warning is shown only if MVP UI is enabled when FPI is on
+  await SpecialPowers.pushPrefEnv({ set: [[FPI_PREF, true]] });
+  await openPreferencesViaOpenPreferencesAPI("privacy", { leaveOpen: true });
+  doc = gBrowser.contentDocument;
+  warningElt = doc.getElementById("fpiIncompatibilityWarning");
+  is(
+    warningElt.hidden,
+    !mvpUIEnabled,
+    `The FPI warning is ${mvpUIEnabled ? "visible" : "hidden"}`
+  );
+  await SpecialPowers.popPrefEnv();
+
+  gBrowser.removeCurrentTab();
+}
+
+add_task(async function runTests() {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      [CB_STRICT_FEATURES_PREF, CB_STRICT_FEATURES_VALUE],
+      [FPI_PREF, false],
+    ],
+  });
+  let defaults = Services.prefs.getDefaultBranch("");
+  let originalCookieBehavior = defaults.getIntPref(COOKIE_BEHAVIOR_PREF);
+  defaults.setIntPref(COOKIE_BEHAVIOR_PREF, COOKIE_BEHAVIOR_VALUE);
+  registerCleanupFunction(() => {
+    defaults.setIntPref(COOKIE_BEHAVIOR_PREF, originalCookieBehavior);
+  });
+
+  await testStrings(true);
+  await testStrings(false);
+});