1 files changed, 131 insertions, 0 deletions
diff --git a/intl/l10n/test/test_pseudo.js b/intl/l10n/test/test_pseudo.js
new file mode 100644
index 0000000000..23404aab12
--- /dev/null
+++ b/intl/l10n/test/test_pseudo.js
@@ -0,0 +1,131 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+
+const originalValues = {
+  requested: Services.locale.requestedLocales,
+};
+
+const l10nReg = new L10nRegistry();
+
+function getMockRegistry() {
+  const mockSource = L10nFileSource.createMock("test", "app", ["en-US"], "/localization/{locale}/", [
+    {
+      path: "/localization/en-US/mock.ftl",
+      source: `
+key = This is a single message
+   .tooltip = This is a tooltip
+   .accesskey = f
+`
+    }
+  ]);
+  let registry = new L10nRegistry();
+  registry.registerSources([mockSource]);
+  return registry;
+}
+
+function getAttributeByName(attributes, name) {
+  return attributes.find(attr => attr.name === name);
+}
+
+/**
+ * This test verifies that as we switch between
+ * different pseudo strategies, the Localization object
+ * follows and formats using the given strategy.
+ *
+ * We test values and attributes and make sure that
+ * a single-character attributes, commonly used for access keys
+ * don't get transformed.
+ */
+add_task(async function test_pseudo_works() {
+  Services.prefs.setStringPref("intl.l10n.pseudo", "");
+
+  let mockRegistry = getMockRegistry();
+
+  const l10n = new Localization([
+    "mock.ftl",
+  ], false, mockRegistry);
+
+  {
+    // 1. Start with no pseudo
+
+    let message = (await l10n.formatMessages([{id: "key"}]))[0];
+
+    ok(message.value.includes("This is a single message"));
+    let attr0 = getAttributeByName(message.attributes, "tooltip");
+    ok(attr0.value.includes("This is a tooltip"));
+    let attr1 = getAttributeByName(message.attributes, "accesskey");
+    equal(attr1.value, "f");
+  }
+
+  {
+    // 2. Set Accented Pseudo
+
+    Services.prefs.setStringPref("intl.l10n.pseudo", "accented");
+    let message = (await l10n.formatMessages([{id: "key"}]))[0];
+
+    ok(message.value.includes("[Ŧħiş iş aa şiƞɠŀee ḿeeşşaaɠee]"));
+    let attr0 = getAttributeByName(message.attributes, "tooltip");
+    ok(attr0.value.includes("[Ŧħiş iş aa ŧooooŀŧiƥ]"));
+    let attr1 = getAttributeByName(message.attributes, "accesskey");
+    equal(attr1.value, "f");
+  }
+
+  {
+    // 3. Set Bidi Pseudo
+
+    Services.prefs.setStringPref("intl.l10n.pseudo", "bidi");
+    let message = (await l10n.formatMessages([{id: "key"}]))[0];
+
+    ok(message.value.includes("iş a şiƞɠŀe ḿeşşaɠe"));
+    let attr0 = getAttributeByName(message.attributes, "tooltip");
+    ok(attr0.value.includes("Ŧħiş iş a ŧooŀŧiƥ"));
+    let attr1 = getAttributeByName(message.attributes, "accesskey");
+    equal(attr1.value, "f");
+  }
+
+  {
+    // 4. Remove pseudo
+
+    Services.prefs.setStringPref("intl.l10n.pseudo", "");
+    let message = (await l10n.formatMessages([{id: "key"}]))[0];
+
+    ok(message.value.includes("This is a single message"));
+    let attr0 = getAttributeByName(message.attributes, "tooltip");
+    ok(attr0.value.includes("This is a tooltip"));
+    let attr1 = getAttributeByName(message.attributes, "accesskey");
+    equal(attr1.value, "f");
+  }
+
+  Services.locale.requestedLocales = originalValues.requested;
+});
+
+/**
+ * This test verifies that setting a bogus pseudo locale
+ * strategy doesn't break anything.
+ */
+add_task(async function test_unavailable_strategy_works() {
+  Services.prefs.setStringPref("intl.l10n.pseudo", "");
+
+  let mockRegistry = getMockRegistry();
+
+  const l10n = new Localization([
+    "mock.ftl",
+  ], false, mockRegistry);
+
+  {
+    // 1. Set unavailable pseudo strategy
+    Services.prefs.setStringPref("intl.l10n.pseudo", "unknown-strategy");
+
+    let message = (await l10n.formatMessages([{id: "key"}]))[0];
+
+    ok(message.value.includes("This is a single message"));
+    let attr0 = getAttributeByName(message.attributes, "tooltip");
+    ok(attr0.value.includes("This is a tooltip"));
+    let attr1 = getAttributeByName(message.attributes, "accesskey");
+    equal(attr1.value, "f");
+  }
+
+  Services.prefs.setStringPref("intl.l10n.pseudo", "");
+  Services.locale.requestedLocales = originalValues.requested;
+});