Chrome OS OOBE tests: Add OOBE end-to-end test.

This adds full OOBE/first run end-to-end test.

Bug: 880804
Change-Id: Ib1ebe8a9f1412060236f7936de9e385a181a9a3b
Reviewed-on: https://chromium-review.googlesource.com/1206692Reviewed-by: Wenzhao (Colin) Zang <wzang@chromium.org>
Commit-Queue: Alexander Alekseev <alemate@chromium.org>
Cr-Commit-Position: refs/heads/master@{#589038}

chrome/browser/chromeos/login/oobe_interactive_ui_test.cc

+// Copyright 2018 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 "base/command_line.h"
+#include "base/macros.h"
+#include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/chromeos/login/screens/gaia_view.h"
+#include "chrome/browser/chromeos/login/screens/sync_consent_screen.h"
+#include "chrome/browser/chromeos/login/screens/update_screen.h"
+#include "chrome/browser/chromeos/login/test/js_checker.h"
+#include "chrome/browser/chromeos/login/test/oobe_base_test.h"
+#include "chrome/browser/chromeos/login/ui/login_display_host.h"
+#include "chrome/browser/chromeos/login/wizard_controller.h"
+#include "chrome/browser/lifetime/application_lifetime.h"
+#include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
+#include "chromeos/dbus/update_engine_client.h"
+#include "content/public/browser/notification_service.h"
+
+namespace chromeos {
+namespace {
+constexpr base::TimeDelta kJsConditionCheckFrequency =
+    base::TimeDelta::FromMilliseconds(2000);
+}  // namespace
+
+// Waits for js condition to be fulfilled.
+class JsConditionWaiter {
+ public:
+  JsConditionWaiter(const test::JSChecker& js_checker,
+                    const std::string& js_condition)
+      : js_checker_(js_checker), js_condition_(js_condition) {}
+
+  ~JsConditionWaiter() = default;
+
+  void Wait() {
+    if (IsConditionFulfilled())
+      return;
+
+    timer_.Start(FROM_HERE, kJsConditionCheckFrequency, this,
+                 &JsConditionWaiter::CheckCondition);
+    run_loop_.Run();
+  }
+
+ private:
+  bool IsConditionFulfilled() { return js_checker_.GetBool(js_condition_); }
+
+  void CheckCondition() {
+    if (IsConditionFulfilled()) {
+      run_loop_.Quit();
+      timer_.Stop();
+    }
+  }
+
+  test::JSChecker js_checker_;
+  const std::string js_condition_;
+
+  base::RepeatingTimer timer_;
+  base::RunLoop run_loop_;
+
+  DISALLOW_COPY_AND_ASSIGN(JsConditionWaiter);
+};
+
+class OobeInteractiveUITest : public OobeBaseTest {
+ public:
+  OobeInteractiveUITest() = default;
+  ~OobeInteractiveUITest() override = default;
+
+  void TearDownOnMainThread() override {
+    // If the login display is still showing, exit gracefully.
+    if (LoginDisplayHost::default_host()) {
+      base::ThreadTaskRunnerHandle::Get()->PostTask(
+          FROM_HERE, base::BindOnce(&chrome::AttemptExit));
+      RunUntilBrowserProcessQuits();
+    }
+
+    OobeBaseTest::TearDownOnMainThread();
+  }
+
+  void WaitForLoginDisplayHostShutdown() {
+    if (!LoginDisplayHost::default_host())
+      return;
+
+    base::RunLoop runloop;
+    LOG(INFO)
+        << "OobeInteractiveUITest: Waiting for LoginDisplayHost to shut down.";
+    while (LoginDisplayHost::default_host()) {
+      runloop.RunUntilIdle();
+    }
+    LOG(INFO) << "OobeInteractiveUITest: LoginDisplayHost is down.";
+  }
+
+  void WaitForOobeWelcomeScreen() {
+    content::WindowedNotificationObserver observer(
+        chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
+        content::NotificationService::AllSources());
+    observer.Wait();
+
+    JsConditionWaiter(js_checker_,
+                      "Oobe.getInstance().currentScreen.id == 'connect'")
+        .Wait();
+  }
+
+  void RunWelcomeScreenChecks() {
+#if defined(GOOGLE_CHROME_BUILD)
+    constexpr int kNumberOfVideosPlaying = 1;
+#else
+    constexpr int kNumberOfVideosPlaying = 0;
+#endif
+
+    js_checker_.ExpectFalse("$('oobe-welcome-md').$.welcomeScreen.hidden");
+    js_checker_.ExpectTrue("$('oobe-welcome-md').$.accessibilityScreen.hidden");
+    js_checker_.ExpectTrue("$('oobe-welcome-md').$.languageScreen.hidden");
+    js_checker_.ExpectTrue("$('oobe-welcome-md').$.timezoneScreen.hidden");
+
+    js_checker_.ExpectEQ(
+        "(() => {let cnt = 0; for (let v of "
+        "$('oobe-welcome-md').$.welcomeScreen.root.querySelectorAll('video')) "
+        "{  cnt += v.paused ? 0 : 1; }; return cnt; })()",
+        kNumberOfVideosPlaying);
+  }
+
+  void TapWelcomeNext() {
+    js_checker_.Evaluate(
+        "$('oobe-welcome-md').$.welcomeScreen.$.welcomeNextButton.click()");
+  }
+
+  void WaitForNetworkSelectionScreen() {
+    JsConditionWaiter(
+        js_checker_,
+        "Oobe.getInstance().currentScreen.id == 'network-selection'")
+        .Wait();
+    LOG(INFO)
+        << "OobeInteractiveUITest: Switched to 'network-selection' screen.";
+  }
+
+  void RunNetworkSelectionScreenChecks() {
+    js_checker_.ExpectTrue(
+        "!$('oobe-network-md').$.networkDialog.querySelector('oobe-next-button'"
+        ").disabled");
+  }
+
+  void TapNetworkSelectionNext() {
+    js_checker_.Evaluate(
+        "$('oobe-network-md').$.networkDialog.querySelector('oobe-next-button')"
+        ".click()");
+  }
+
+  void WaitForEulaScreen() {
+    JsConditionWaiter(js_checker_,
+                      "Oobe.getInstance().currentScreen.id == 'eula'")
+        .Wait();
+    LOG(INFO) << "OobeInteractiveUITest: Switched to 'eula' screen.";
+  }
+
+  void RunEulaScreenChecks() {
+    // Wait for actual EULA to appear.
+    JsConditionWaiter(js_checker_, "!$('oobe-eula-md').$.eulaDialog.hidden")
+        .Wait();
+    js_checker_.ExpectTrue("!$('oobe-eula-md').$.acceptButton.disabled");
+  }
+
+  void TapEulaAccept() {
+    js_checker_.Evaluate("$('oobe-eula-md').$.acceptButton.click();");
+  }
+
+  void WaitForUpdateScreen() {
+    JsConditionWaiter(js_checker_,
+                      "Oobe.getInstance().currentScreen.id == 'update'")
+        .Wait();
+
+    LOG(INFO) << "OobeInteractiveUITest: Switched to 'update' screen.";
+  }
+
+  void ExitUpdateScreenNoUpdate() {
+    UpdateScreen* screen = static_cast<UpdateScreen*>(
+        WizardController::default_controller()->GetScreen(
+            OobeScreen::SCREEN_OOBE_UPDATE));
+    UpdateEngineClient::Status status;
+    status.status = UpdateEngineClient::UPDATE_STATUS_ERROR;
+    screen->UpdateStatusChanged(status);
+  }
+
+  void WaitForGaiaSignInScreen() {
+    JsConditionWaiter(js_checker_,
+                      "Oobe.getInstance().currentScreen.id == 'gaia-signin'")
+        .Wait();
+    LOG(INFO) << "OobeInteractiveUITest: Switched to 'gaia-signin' screen.";
+  }
+
+  void LogInAsRegularUser() {
+    LoginDisplayHost::default_host()
+        ->GetOobeUI()
+        ->GetGaiaScreenView()
+        ->ShowSigninScreenForTest(OobeBaseTest::kFakeUserEmail,
+                                  OobeBaseTest::kFakeUserPassword,
+                                  OobeBaseTest::kEmptyUserServices);
+  }
+
+  void WaitForSyncConsentScreen() {
+    JsConditionWaiter(js_checker_,
+                      "Oobe.getInstance().currentScreen.id == 'sync-consent'")
+        .Wait();
+
+    LOG(INFO) << "OobeInteractiveUITest: Logged in. Switched to 'sync-consent' "
+                 "screen.";
+  }
+
+  void ExitScreenSyncConsent() {
+    SyncConsentScreen* screen = static_cast<SyncConsentScreen*>(
+        WizardController::default_controller()->GetScreen(
+            OobeScreen::SCREEN_SYNC_CONSENT));
+
+    screen->SetProfileSyncDisabledByPolicyForTesting(true);
+    screen->OnStateChanged(nullptr);
+  }
+
+  void WaitForMarketingOptInScreen() {
+    JsConditionWaiter(
+        js_checker_,
+        "Oobe.getInstance().currentScreen.id == 'marketing-opt-in'")
+        .Wait();
+    LOG(INFO)
+        << "OobeInteractiveUITest: Switched to 'marketing-opt-in' screen.";
+  }
+
+  void RunMarketingOptInScreenChecks() {
+    js_checker_.ExpectTrue("!$('marketing-opt-in').hidden");
+    js_checker_.ExpectEQ(
+        "$('marketing-opt-in-impl').root.querySelectorAll('oobe-text-button')."
+        "length",
+        1);
+  }
+
+  void ExitMarketingOptInScreen() {
+    js_checker_.Evaluate(
+        "$('marketing-opt-in-impl').root.querySelectorAll('oobe-text-button')["
+        "0].click()");
+    JsConditionWaiter(js_checker_,
+                      "Oobe.getInstance().currentScreen.id == 'user-image'")
+        .Wait();
+
+    LOG(INFO) << "OobeInteractiveUITest: Switched to 'user-image' screen.";
+  }
+
+  void RunUserImageScreenChecks() {
+    js_checker_.ExpectTrue("!$('user-image').hidden");
+  }
+
+  void ExitUserImageScreen() {
+    js_checker_.Evaluate("$('user-image').querySelector('#ok-button').click()");
+
+    LOG(INFO) << "OobeInteractiveUITest: Exited 'user-image' screen.";
+    WaitForLoginDisplayHostShutdown();
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(OobeInteractiveUITest);
+};
+
+IN_PROC_BROWSER_TEST_F(OobeInteractiveUITest, SimpleEndToEnd) {
+  WaitForOobeWelcomeScreen();
+  RunWelcomeScreenChecks();
+  TapWelcomeNext();
+
+  WaitForNetworkSelectionScreen();
+  RunNetworkSelectionScreenChecks();
+  TapNetworkSelectionNext();
+
+#if defined(GOOGLE_CHROME_BUILD)
+  WaitForEulaScreen();
+  RunEulaScreenChecks();
+  TapEulaAccept();
+#endif
+
+  WaitForUpdateScreen();
+  ExitUpdateScreenNoUpdate();
+  WaitForGaiaSignInScreen();
+
+  LogInAsRegularUser();
+
+#if defined(GOOGLE_CHROME_BUILD)
+  WaitForSyncConsentScreen();
+  ExitScreenSyncConsent();
+#endif
+
+  WaitForMarketingOptInScreen();
+  RunMarketingOptInScreenChecks();
+  ExitMarketingOptInScreen();
+
+  RunUserImageScreenChecks();
+  ExitUserImageScreen();
+
+  WaitForLoginDisplayHostShutdown();
+}
+
+}  //  namespace chromeos

chrome/browser/resources/chromeos/login/oobe_eula.html

@@ -81,7 +81,7 @@
         <oobe-back-button on-tap="onEulaBackButtonPressed_"></oobe-back-button>
         <div class="flex">
         </div>
-        <oobe-text-button inverse on-tap="eulaAccepted_"
+        <oobe-text-button id="acceptButton" inverse on-tap="eulaAccepted_"
             disabled="[[acceptButtonDisabled]]">
           <div i18n-content="oobeEulaAcceptAndContinueButtonText"
               id="accept-button-text">

chrome/test/BUILD.gn

@@ -5012,6 +5012,7 @@ if (!is_android) {
         "../browser/chromeos/login/mixin_based_browser_test.cc",
         "../browser/chromeos/login/mixin_based_browser_test.h",
         "../browser/chromeos/login/oobe_browsertest.cc",
+        "../browser/chromeos/login/oobe_interactive_ui_test.cc",
         "../browser/chromeos/login/screenshot_testing/SkDiffPixelsMetric.h",
         "../browser/chromeos/login/screenshot_testing/SkDiffPixelsMetric_cpu.cpp",
         "../browser/chromeos/login/screenshot_testing/SkImageDiffer.cpp",