cros: Simple password view for lock. Adds test support.

ash/login/ui/login_password_view_test.cc

Index: ash/login/ui/login_password_view_test.cc
diff --git a/ash/login/ui/login_password_view_test.cc b/ash/login/ui/login_password_view_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..849d524a62c259a60f4a4544da664b21a3fa68d5
--- /dev/null
+++ b/ash/login/ui/login_password_view_test.cc
@@ -0,0 +1,109 @@
+// 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/ui/login_password_view.h"
+
+#include "ash/login/ui/login_test_base.h"
+#include "ash/public/cpp/config.h"
+#include "ash/shell.h"
+#include "base/strings/utf_string_conversions.h"
+#include "ui/events/test/event_generator.h"
+
+namespace ash {
+
+namespace {
+
+class LoginPasswordViewTest : public LoginTestBase {
+ protected:
+  LoginPasswordViewTest() = default;
+  ~LoginPasswordViewTest() override = default;
+
+  // LoginScreenTest:
+  void SetUp() override {
+    LoginTestBase::SetUp();
+
+    view_ = new LoginPasswordView(base::Bind(
+        &LoginPasswordViewTest::OnPasswordSubmit, base::Unretained(this)));
+    ShowWidgetWithContent(view_);
+  }
+
+  // Called when a password is submitted.
+  void OnPasswordSubmit(const base::string16& password) {
+    password_ = password;
+  }
+
+  LoginPasswordView* view_ = nullptr;
+  base::Optional<base::string16> password_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(LoginPasswordViewTest);
+};
+
+}  // namespace
+
+// Verifies that password submit works with 'Enter'.
+TEST_F(LoginPasswordViewTest, PasswordSubmitIncludesPasswordText) {
+  // TODO: Renable in mash once crbug.com/725257 is fixed.
+  if (Shell::GetAshConfig() == Config::MASH)
+    return;
+
+  LoginPasswordView::TestApi test_api(view_);
+
+  ui::test::EventGenerator& generator = GetEventGenerator();
+  generator.PressKey(ui::KeyboardCode::VKEY_A, 0);
+  generator.PressKey(ui::KeyboardCode::VKEY_B, 0);
+  generator.PressKey(ui::KeyboardCode::VKEY_C, 0);
+  generator.PressKey(ui::KeyboardCode::VKEY_1, 0);
+  generator.PressKey(ui::KeyboardCode::VKEY_RETURN, 0);
+
+  EXPECT_TRUE(password_.has_value());
+  EXPECT_EQ(base::ASCIIToUTF16("abc1"), *password_);
+}
+
+// Verifies that password submit works when clicking the submit button.
+TEST_F(LoginPasswordViewTest, PasswordSubmitViaButton) {
+  // TODO: Renable in mash once crbug.com/725257 is fixed.
+  if (Shell::GetAshConfig() == Config::MASH)
+    return;
+
+  LoginPasswordView::TestApi test_api(view_);
+
+  ui::test::EventGenerator& generator = GetEventGenerator();
+  generator.PressKey(ui::KeyboardCode::VKEY_A, 0);
+  generator.PressKey(ui::KeyboardCode::VKEY_B, 0);
+  generator.PressKey(ui::KeyboardCode::VKEY_C, 0);
+  generator.PressKey(ui::KeyboardCode::VKEY_1, 0);
+  generator.MoveMouseTo(
+      test_api.submit_button()->GetBoundsInScreen().CenterPoint());
+  generator.ClickLeftButton();
+
+  EXPECT_TRUE(password_.has_value());
+  EXPECT_EQ(base::ASCIIToUTF16("abc1"), *password_);
+}
+
+// Verifies that text is cleared after submitting a password.
+TEST_F(LoginPasswordViewTest, PasswordSubmitClearsPassword) {
+  // TODO: Renable in mash once crbug.com/725257 is fixed.
+  if (Shell::GetAshConfig() == Config::MASH)
+    return;
+
+  LoginPasswordView::TestApi test_api(view_);
+  ui::test::EventGenerator& generator = GetEventGenerator();
+
+  // Submit 'a' password.
+  generator.PressKey(ui::KeyboardCode::VKEY_A, 0);
+  generator.PressKey(ui::KeyboardCode::VKEY_RETURN, 0);
+  EXPECT_TRUE(password_.has_value());
+  EXPECT_EQ(base::ASCIIToUTF16("a"), *password_);
+
+  password_.reset();
+
+  // Submit 'b' password
+  generator.PressKey(ui::KeyboardCode::VKEY_B, 0);
+  generator.PressKey(ui::KeyboardCode::VKEY_RETURN, 0);
+  EXPECT_TRUE(password_.has_value());
+  EXPECT_EQ(base::ASCIIToUTF16("b"), *password_);
+}
+
+}  // namespace ash