[ios] Compiles ChromeTestCase under EG2.

BUG=922813

Change-Id: Ie9545589a8f99ff3ef7652ce06d3ab117fe2499e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1628049
Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: Rohit Rao <rohitrao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#663131}

ios/chrome/test/earl_grey/BUILD.gn

@@ -245,6 +245,8 @@ source_set("test_support") {
     "chrome_matchers_app_interface.mm",
     "chrome_test_case.h",
     "chrome_test_case.mm",
+    "chrome_test_case_app_interface.h",
+    "chrome_test_case_app_interface.mm",
   ]
 
   deps = [
@@ -332,6 +334,8 @@ source_set("eg_app_support+eg2") {
     "chrome_earl_grey_app_interface.mm",
     "chrome_matchers_app_interface.h",
     "chrome_matchers_app_interface.mm",
+    "chrome_test_case_app_interface.h",
+    "chrome_test_case_app_interface.mm",
   ]
 
   deps = [
@@ -392,6 +396,9 @@ source_set("eg_test_support+eg2") {
     "chrome_matchers.h",
     "chrome_matchers.mm",
     "chrome_matchers_app_interface.h",
+    "chrome_test_case.h",
+    "chrome_test_case.mm",
+    "chrome_test_case_app_interface.h",
   ]
 
   deps = [
@@ -406,6 +413,8 @@ source_set("eg_test_support+eg2") {
     "//ios/testing/earl_grey:eg_test_support+eg2",
     "//ios/third_party/earl_grey2:test_lib",
     "//ios/web/public/test:element_selector",
+    "//ios/web/public/test/http_server",
+    "//net:test_support",
     "//ui/base",
     "//url",
   ]

ios/chrome/test/earl_grey/chrome_test_case.mm

@@ -3,22 +3,18 @@
 // found in the LICENSE file.
 
 #import "ios/chrome/test/earl_grey/chrome_test_case.h"
-#import "ios/chrome/test/earl_grey/chrome_error_util.h"
 
 #import <objc/runtime.h>
 
-#import <EarlGrey/EarlGrey.h>
-
 #include <memory>
 
 #include "base/command_line.h"
-#include "base/mac/scoped_block.h"
 #include "base/strings/sys_string_conversions.h"
-#include "components/signin/core/browser/signin_switches.h"
-#import "ios/chrome/test/app/chrome_test_util.h"
-#include "ios/chrome/test/app/signin_test_util.h"
 #import "ios/chrome/test/earl_grey/chrome_earl_grey.h"
+#import "ios/chrome/test/earl_grey/chrome_error_util.h"
+#import "ios/chrome/test/earl_grey/chrome_test_case_app_interface.h"
 #import "ios/testing/earl_grey/coverage_utils.h"
+#import "ios/testing/earl_grey/earl_grey_test.h"
 #import "ios/web/public/test/http_server/http_server.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
@@ -81,8 +77,36 @@
 
 const CFTimeInterval kDrainTimeout = 5;
 
+void SetUpMockAuthentication() {
+  [ChromeTestCaseAppInterface setUpMockAuthentication];
+}
+
+void TearDownMockAuthentication() {
+  [ChromeTestCaseAppInterface tearDownMockAuthentication];
+}
+
+void ResetAuthentication() {
+  [ChromeTestCaseAppInterface resetAuthentication];
+}
+
+void RemoveInfoBarsAndPresentedState() {
+  [ChromeTestCaseAppInterface removeInfoBarsAndPresentedState];
+}
+
+UIDeviceOrientation GetCurrentDeviceOrientation() {
+#if defined(CHROME_EARL_GREY_1)
+  return [[UIDevice currentDevice] orientation];
+#elif defined(CHROME_EARL_GREY_2)
+  return [[GREY_REMOTE_CLASS_IN_APP(UIDevice) currentDevice] orientation];
+#endif
+}
+
 }  // namespace
 
+#if defined(CHROME_EARL_GREY_2)
+GREY_STUB_CLASS_IN_APP_MAIN_QUEUE(ChromeTestCaseAppInterface)
+#endif
+
 @interface ChromeTestCase () {
   // Block to be executed during object tearDown.
   ProceduralBlock _tearDownHandler;
@@ -165,8 +189,7 @@ + (void)setUp {
   // ensure the UI is in a clean state.
   [self removeAnyOpenMenusAndInfoBars];
   [self closeAllTabs];
-  CHROME_EG_ASSERT_NO_ERROR(
-      [ChromeEarlGrey setContentSettings:CONTENT_SETTING_DEFAULT]);
+  [ChromeEarlGrey setContentSettings:CONTENT_SETTING_DEFAULT];
 
   [CoverageUtils configureCoverageReportPath];
 }
@@ -194,16 +217,13 @@ - (void)setUp {
   _isHTTPServerStopped = NO;
   _isMockAuthenticationDisabled = NO;
   _tearDownHandler = nil;
-  _originalOrientation = [[UIDevice currentDevice] orientation];
+  _originalOrientation = GetCurrentDeviceOrientation();
 
-  chrome_test_util::ResetSigninPromoPreferences();
-  chrome_test_util::ResetMockAuthentication();
+  ResetAuthentication();
 
   // Reset any remaining sign-in state from previous tests.
-  GREYAssert(chrome_test_util::SignOutAndClearAccounts(),
-             @"Failed to clean up the sign-in state before starting the test.");
-
-  CHROME_EG_ASSERT_NO_ERROR([ChromeEarlGrey openNewTab]);
+  [ChromeEarlGrey signOutAndClearAccounts];
+  [ChromeEarlGrey openNewTab];
 }
 
 // Tear down called once per test, to close all tabs and menus, and clear the
@@ -215,7 +235,7 @@ - (void)tearDown {
   }
 
   // Clear any remaining test accounts and signed in users.
-  chrome_test_util::SignOutAndClearAccounts();
+  [ChromeEarlGrey signOutAndClearAccounts];
 
   // Re-start anything that was disabled this test, so it is running when the
   // next test starts.
@@ -233,10 +253,16 @@ - (void)tearDown {
   [[self class] removeAnyOpenMenusAndInfoBars];
   [[self class] closeAllTabs];
 
-  if ([[UIDevice currentDevice] orientation] != _originalOrientation) {
+  if (GetCurrentDeviceOrientation() != _originalOrientation) {
     // Rotate the device back to the original orientation, since some tests
     // attempt to run in other orientations.
+#if defined(CHROME_EARL_GREY_1)
     [EarlGrey rotateDeviceToOrientation:_originalOrientation errorOrNil:nil];
+#elif defined(CHROME_EARL_GREY_2)
+    [EarlGrey rotateDeviceToOrientation:_originalOrientation error:nil];
+#else
+#error Neither CHROME_EARL_GREY_1 nor CHROME_EARL_GREY_2 are defined
+#endif
   }
   [super tearDown];
 }
@@ -250,8 +276,7 @@ - (void)setTearDownHandler:(ProceduralBlock)tearDownHandler {
 }
 
 + (void)removeAnyOpenMenusAndInfoBars {
-  chrome_test_util::RemoveAllInfoBars();
-  chrome_test_util::ClearPresentedState();
+  RemoveInfoBarsAndPresentedState();
   // After programatically removing UI elements, allow Earl Grey's
   // UI synchronization to become idle, so subsequent steps won't start before
   // the UI is in a good state.
@@ -285,15 +310,13 @@ - (void)stopHTTPServer {
 + (void)disableMockAuthentication {
   // Make sure local data is cleared, before disabling mock authentication,
   // where data may be sent to real servers.
-  chrome_test_util::SignOutAndClearAccounts();
+  [ChromeEarlGrey signOutAndClearAccounts];
   [ChromeEarlGrey tearDownFakeSyncServer];
-  chrome_test_util::TearDownMockAccountReconcilor();
-  chrome_test_util::TearDownMockAuthentication();
+  TearDownMockAuthentication();
 }
 
 + (void)enableMockAuthentication {
-  chrome_test_util::SetUpMockAuthentication();
-  chrome_test_util::SetUpMockAccountReconcilor();
+  SetUpMockAuthentication();
   [ChromeEarlGrey setUpFakeSyncServer];
 }
 

ios/chrome/test/earl_grey/chrome_test_case_app_interface.h

@@ -0,0 +1,26 @@
+// Copyright 2019 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.
+
+#ifndef IOS_CHROME_TEST_EARL_GREY_CHROME_TEST_CASE_APP_INTERFACE_H_
+#define IOS_CHROME_TEST_EARL_GREY_CHROME_TEST_CASE_APP_INTERFACE_H_
+
+#import <Foundation/Foundation.h>
+
+@interface ChromeTestCaseAppInterface : NSObject
+
+// Sets up mock authentication and the mock account reconcilor.
++ (void)setUpMockAuthentication;
+
+// Tears down mock authentication and the mock account reconcilor.
++ (void)tearDownMockAuthentication;
+
+// Resets mock authentication and signin promo settings.
++ (void)resetAuthentication;
+
+// Removes all infobars and clears any presented state.
++ (void)removeInfoBarsAndPresentedState;
+
+@end
+
+#endif  // IOS_CHROME_TEST_EARL_GREY_CHROME_TEST_CASE_APP_INTERFACE_H_

ios/chrome/test/earl_grey/chrome_test_case_app_interface.mm

@@ -0,0 +1,36 @@
+// Copyright 2019 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.
+
+#import "ios/chrome/test/earl_grey/chrome_test_case_app_interface.h"
+
+#import "ios/chrome/test/app/chrome_test_util.h"
+#include "ios/chrome/test/app/signin_test_util.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+@implementation ChromeTestCaseAppInterface
+
++ (void)setUpMockAuthentication {
+  chrome_test_util::SetUpMockAuthentication();
+  chrome_test_util::SetUpMockAccountReconcilor();
+}
+
++ (void)tearDownMockAuthentication {
+  chrome_test_util::TearDownMockAccountReconcilor();
+  chrome_test_util::TearDownMockAuthentication();
+}
+
++ (void)resetAuthentication {
+  chrome_test_util::ResetSigninPromoPreferences();
+  chrome_test_util::ResetMockAuthentication();
+}
+
++ (void)removeInfoBarsAndPresentedState {
+  chrome_test_util::RemoveAllInfoBars();
+  chrome_test_util::ClearPresentedState();
+}
+
+@end