mojo api for view based lockscreen

ash/login/lock_screen_controller_unittest.cc

Index: ash/login/lock_screen_controller_unittest.cc
diff --git a/ash/login/lock_screen_controller_unittest.cc b/ash/login/lock_screen_controller_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..cc3f8d45e43c2467b4a1d1703b27e42b957905d0
--- /dev/null
+++ b/ash/login/lock_screen_controller_unittest.cc
@@ -0,0 +1,61 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ash/login/lock_screen_controller.h"
+
+#include "ash/shell.h"
+#include "ash/test/ash_test_base.h"
+#include "base/run_loop.h"
+#include "chromeos/cryptohome/system_salt_getter.h"
+
+namespace ash {
+
+namespace {
+
+class TestLockScreenClient : public mojom::LockScreenClient {
+ public:
+  TestLockScreenClient() : binding_(this) {}
+  ~TestLockScreenClient() override = default;
+
+  mojom::LockScreenClientPtr CreateInterfacePtrAndBind() {
+    return binding_.CreateInterfacePtrAndBind();
+  }
+
+  // mojom::LockScreenClient:
+  void AuthenticateUser(const AccountId& account_id,
+                        const std::string& password,
+                        bool authenticated_by_pin) override {
+    ++autentication_requests_count_;
+  }
+
+  int authentication_requests_count() const {
+    return autentication_requests_count_;
+  }
+
+ private:
+  mojo::Binding<ash::mojom::LockScreenClient> binding_;
+  int autentication_requests_count_ = 0;
+
+  DISALLOW_COPY_AND_ASSIGN(TestLockScreenClient);
+};
+
+using LockScreenControllerTest = test::AshTestBase;
+
+}  // namespace
+
+TEST_F(LockScreenControllerTest, RequestAuthentication) {
+  LockScreenController* lock_screen_controller =
+      Shell::Get()->lock_screen_controller();
+  TestLockScreenClient lock_screen_client;
+  lock_screen_controller->SetClient(
+      lock_screen_client.CreateInterfacePtrAndBind());
+  EXPECT_EQ(0, lock_screen_client.authentication_requests_count());
+
+  AccountId id = AccountId::FromUserEmail("user1@test.com");
+  lock_screen_controller->AuthenticateUser(id, std::string(), false);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(1, lock_screen_client.authentication_requests_count());
+}
+
+}  // namespace ash