1 files changed, 101 insertions, 0 deletions
diff --git a/toolkit/profile/xpcshell/test_snatch_environment.js b/toolkit/profile/xpcshell/test_snatch_environment.js
new file mode 100644
index 0000000000..2241fb691c
--- /dev/null
+++ b/toolkit/profile/xpcshell/test_snatch_environment.js
@@ -0,0 +1,101 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/*
+ * Tests that the environment variables are used to select a profile and that
+ * on the first run of a dedicated profile build we snatch it if it was the
+ * default profile.
+ */
+
+add_task(async () => {
+  let root = makeRandomProfileDir("foo");
+  let local = gDataHomeLocal.clone();
+  local.append("foo");
+
+  writeCompatibilityIni(root);
+
+  let profileData = {
+    options: {
+      startWithLastProfile: true,
+    },
+    profiles: [
+      {
+        name: PROFILE_DEFAULT,
+        path: root.leafName,
+        default: true,
+      },
+      {
+        name: "Profile2",
+        path: "Path2",
+      },
+      {
+        name: "Profile3",
+        path: "Path3",
+      },
+    ],
+    // Another install is using the profile but it isn't locked.
+    installs: {
+      otherinstall: {
+        default: root.leafName,
+      },
+    },
+  };
+
+  writeProfilesIni(profileData);
+  checkProfileService(profileData);
+
+  Services.env.set("XRE_PROFILE_PATH", root.path);
+  Services.env.set("XRE_PROFILE_LOCAL_PATH", local.path);
+
+  let { rootDir, localDir, profile, didCreate } = selectStartupProfile();
+  checkStartupReason("restart-claimed-default");
+
+  Assert.ok(!didCreate, "Should not have created a new profile.");
+  Assert.ok(rootDir.equals(root), "Should have selected the right root dir.");
+  Assert.ok(
+    localDir.equals(local),
+    "Should have selected the right local dir."
+  );
+  Assert.ok(profile, "A named profile matches this.");
+  Assert.equal(profile.name, PROFILE_DEFAULT, "The right profile was matched.");
+
+  let service = getProfileService();
+  Assert.equal(
+    service.defaultProfile,
+    profile,
+    "Should be the default profile."
+  );
+  Assert.equal(
+    service.currentProfile,
+    profile,
+    "Should be the current profile."
+  );
+
+  profileData = readProfilesIni();
+  Assert.equal(
+    profileData.profiles[0].name,
+    PROFILE_DEFAULT,
+    "Should be the right profile."
+  );
+  Assert.ok(
+    profileData.profiles[0].default,
+    "Should still be the old default profile."
+  );
+
+  let hash = xreDirProvider.getInstallHash();
+  // The info about the other install will have been removed so it goes through first run on next startup.
+  Assert.equal(
+    Object.keys(profileData.installs).length,
+    1,
+    "Should be one known install."
+  );
+  Assert.equal(
+    profileData.installs[hash].default,
+    root.leafName,
+    "Should have marked the original default profile as the default for this install."
+  );
+  Assert.ok(
+    !profileData.installs[hash].locked,
+    "Should not have locked as we're not the default app."
+  );
+});