1 files changed, 118 insertions, 0 deletions
diff --git a/testing/marionette/harness/marionette_harness/tests/unit/test_switch_remote_frame.py b/testing/marionette/harness/marionette_harness/tests/unit/test_switch_remote_frame.py
new file mode 100644
index 000000000..07ddeef2a
--- /dev/null
+++ b/testing/marionette/harness/marionette_harness/tests/unit/test_switch_remote_frame.py
@@ -0,0 +1,118 @@
+# 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/.
+
+from marionette_driver.by import By
+
+from marionette_harness import MarionetteTestCase
+
+
+OOP_BY_DEFAULT = "dom.ipc.browser_frames.oop_by_default"
+BROWSER_FRAMES_ENABLED = "dom.mozBrowserFramesEnabled"
+
+
+class TestSwitchRemoteFrame(MarionetteTestCase):
+    def setUp(self):
+        super(TestSwitchRemoteFrame, self).setUp()
+        with self.marionette.using_context('chrome'):
+            self.oop_by_default = self.marionette.get_pref(OOP_BY_DEFAULT)
+            self.mozBrowserFramesEnabled = self.marionette.get_pref(BROWSER_FRAMES_ENABLED)
+            self.marionette.set_pref(OOP_BY_DEFAULT, True)
+            self.marionette.set_pref(BROWSER_FRAMES_ENABLED, True)
+
+            self.multi_process_browser = self.marionette.execute_script("""
+                try {
+                  return Services.appinfo.browserTabsRemoteAutostart;
+                } catch (e) {
+                  return false;
+                }""")
+
+    def tearDown(self):
+        with self.marionette.using_context("chrome"):
+            if self.oop_by_default is None:
+                self.marionette.clear_pref(OOP_BY_DEFAULT)
+            else:
+                self.marionette.set_pref(OOP_BY_DEFAULT, self.oop_by_default)
+
+            if self.mozBrowserFramesEnabled is None:
+                self.marionette.clear_pref(BROWSER_FRAMES_ENABLED)
+            else:
+                self.marionette.set_pref(BROWSER_FRAMES_ENABLED, self.mozBrowserFramesEnabled)
+
+    @property
+    def is_main_process(self):
+        return self.marionette.execute_script("""
+            return Components.classes["@mozilla.org/xre/app-info;1"].
+                getService(Components.interfaces.nsIXULRuntime).
+                processType == Components.interfaces.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
+        """, sandbox="system")
+
+    def test_remote_frame(self):
+        self.marionette.navigate(self.marionette.absolute_url("test.html"))
+        self.marionette.push_permission('browser', True)
+        self.marionette.execute_script("""
+            let iframe = document.createElement("iframe");
+            iframe.setAttribute('mozbrowser', true);
+            iframe.setAttribute('remote', true);
+            iframe.id = "remote_iframe";
+            iframe.style.height = "100px";
+            iframe.style.width = "100%%";
+            iframe.src = "{}";
+            document.body.appendChild(iframe);
+            """.format(self.marionette.absolute_url("test.html")))
+        remote_iframe = self.marionette.find_element(By.ID, "remote_iframe")
+        self.marionette.switch_to_frame(remote_iframe)
+        main_process = self.is_main_process
+        self.assertFalse(main_process)
+
+    def test_remote_frame_revisit(self):
+        # test if we can revisit a remote frame (this takes a different codepath)
+        self.marionette.navigate(self.marionette.absolute_url("test.html"))
+        self.marionette.push_permission('browser', True)
+        self.marionette.execute_script("""
+            let iframe = document.createElement("iframe");
+            iframe.setAttribute('mozbrowser', true);
+            iframe.setAttribute('remote', true);
+            iframe.id = "remote_iframe";
+            iframe.style.height = "100px";
+            iframe.style.width = "100%%";
+            iframe.src = "{}";
+            document.body.appendChild(iframe);
+            """.format(self.marionette.absolute_url("test.html")))
+        self.marionette.switch_to_frame(self.marionette.find_element(By.ID,
+                                                                     "remote_iframe"))
+        main_process = self.is_main_process
+        self.assertFalse(main_process)
+        self.marionette.switch_to_frame()
+        main_process = self.is_main_process
+        should_be_main_process = not self.multi_process_browser
+        self.assertEqual(main_process, should_be_main_process)
+        self.marionette.switch_to_frame(self.marionette.find_element(By.ID,
+                                                                     "remote_iframe"))
+        main_process = self.is_main_process
+        self.assertFalse(main_process)
+
+    def test_we_can_switch_to_a_remote_frame_by_index(self):
+        # test if we can revisit a remote frame (this takes a different codepath)
+        self.marionette.navigate(self.marionette.absolute_url("test.html"))
+        self.marionette.push_permission('browser', True)
+        self.marionette.execute_script("""
+            let iframe = document.createElement("iframe");
+            iframe.setAttribute('mozbrowser', true);
+            iframe.setAttribute('remote', true);
+            iframe.id = "remote_iframe";
+            iframe.style.height = "100px";
+            iframe.style.width = "100%%";
+            iframe.src = "{}";
+            document.body.appendChild(iframe);
+            """.format(self.marionette.absolute_url("test.html")))
+        self.marionette.switch_to_frame(0)
+        main_process = self.is_main_process
+        self.assertFalse(main_process)
+        self.marionette.switch_to_frame()
+        main_process = self.is_main_process
+        should_be_main_process = not self.multi_process_browser
+        self.assertEqual(main_process, should_be_main_process)
+        self.marionette.switch_to_frame(0)
+        main_process = self.is_main_process
+        self.assertFalse(main_process)