[ios] Create UI test for page info (site info)

This CL creates an UI integration test that tests that the
page info view gets automatically dismissed on device rotation.

Change-Id: I02611cc2fab5a214b74af01d15cd8d12e19eff6e
Reviewed-on: https://chromium-review.googlesource.com/c/1338561
Commit-Queue: edchin <edchin@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Reviewed-by: edchin <edchin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608844}

ios/chrome/browser/ui/page_info/BUILD.gn

@@ -5,6 +5,8 @@
 source_set("page_info") {
   configs += [ "//build/config/compiler:enable_arc" ]
   sources = [
+    "page_info_constants.h",
+    "page_info_constants.mm",
     "page_info_model.cc",
     "page_info_model.h",
     "page_info_model_observer.h",
@@ -58,3 +60,20 @@ source_set("coordinator") {
   ]
   libs = [ "UIKit.framework" ]
 }
+
+source_set("eg_tests") {
+  configs += [ "//build/config/compiler:enable_arc" ]
+  testonly = true
+  sources = [
+    "page_info_egtest.mm",
+  ]
+  deps = [
+    ":page_info",
+    "//ios/chrome/browser/ui/popup_menu:constants",
+    "//ios/chrome/test/earl_grey:test_support",
+  ]
+  libs = [
+    "UIKit.framework",
+    "XCTest.framework",
+  ]
+}

ios/chrome/browser/ui/page_info/page_info_constants.h

+// 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.
+
+#ifndef IOS_CHROME_BROWSER_UI_PAGE_INFO_PAGE_INFO_CONSTANTS_H_
+#define IOS_CHROME_BROWSER_UI_PAGE_INFO_PAGE_INFO_CONSTANTS_H_
+
+#import <Foundation/Foundation.h>
+
+// Accessibility identifier for the page info view.
+extern NSString* const kPageInfoViewAccessibilityIdentifier;
+
+#endif  // IOS_CHROME_BROWSER_UI_PAGE_INFO_PAGE_INFO_CONSTANTS_H_

ios/chrome/browser/ui/page_info/page_info_constants.mm

+// 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.
+
+#import "ios/chrome/browser/ui/page_info/page_info_constants.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+NSString* const kPageInfoViewAccessibilityIdentifier =
+    @"PageInfoViewAccessibilityIdentifier";

ios/chrome/browser/ui/page_info/page_info_egtest.mm

+// 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.
+
+#import <EarlGrey/EarlGrey.h>
+#import <UIKit/UIKit.h>
+#import <XCTest/XCTest.h>
+
+#import "ios/chrome/browser/ui/page_info/page_info_constants.h"
+#import "ios/chrome/browser/ui/popup_menu/popup_menu_constants.h"
+#import "ios/chrome/test/earl_grey/chrome_earl_grey.h"
+#import "ios/chrome/test/earl_grey/chrome_earl_grey_ui.h"
+#import "ios/chrome/test/earl_grey/chrome_test_case.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+@interface PageInfoTestCase : ChromeTestCase
+@end
+
+@implementation PageInfoTestCase
+
+// Tests that rotating the device will automatically dismiss the page info view.
+- (void)testShowPageInfoAndDismissOnDeviceRotation {
+  [ChromeEarlGrey loadURL:GURL("https://invalid")];
+  [ChromeEarlGreyUI openToolsMenu];
+  [[[EarlGrey
+      selectElementWithMatcher:grey_allOf(grey_accessibilityID(
+                                              kToolsMenuSiteInformation),
+                                          grey_sufficientlyVisible(), nil)]
+         usingSearchAction:grey_scrollInDirection(kGREYDirectionDown, 200)
+      onElementWithMatcher:grey_accessibilityID(kPopupMenuToolsMenuTableViewId)]
+      performAction:grey_tap()];
+
+  // Expect that the page info view has appeared.
+  [[EarlGrey selectElementWithMatcher:grey_accessibilityID(
+                                          kPageInfoViewAccessibilityIdentifier)]
+      assertWithMatcher:grey_sufficientlyVisible()];
+
+  [EarlGrey rotateDeviceToOrientation:UIDeviceOrientationLandscapeRight
+                           errorOrNil:nil];
+
+  // Expect that the page info view has disappeared.
+  [[EarlGrey selectElementWithMatcher:grey_accessibilityID(
+                                          kPageInfoViewAccessibilityIdentifier)]
+      assertWithMatcher:grey_not(grey_sufficientlyVisible())];
+}
+
+@end

ios/chrome/browser/ui/page_info/page_info_view_controller.mm

@@ -14,6 +14,7 @@
 #include "components/strings/grit/components_strings.h"
 #import "ios/chrome/browser/ui/commands/page_info_commands.h"
 #import "ios/chrome/browser/ui/fancy_ui/bidi_container_view.h"
+#import "ios/chrome/browser/ui/page_info/page_info_constants.h"
 #include "ios/chrome/browser/ui/page_info/page_info_model.h"
 #import "ios/chrome/browser/ui/page_info/requirements/page_info_presentation.h"
 #import "ios/chrome/browser/ui/page_info/requirements/page_info_reloading.h"
@@ -258,6 +259,8 @@ void PageInfoModelBubbleBridge::PerformLayout() {
     [containerView_ setOpaque:NO];
     [containerView_ setAlpha:0];
     [containerView_ setAccessibilityViewIsModal:YES];
+    containerView_.accessibilityIdentifier =
+        kPageInfoViewAccessibilityIdentifier;
 
     popupContainer_ = [[UIView alloc] initWithFrame:CGRectZero];
     [popupContainer_ setBackgroundColor:[UIColor whiteColor]];

ios/chrome/test/earl_grey/BUILD.gn

@@ -96,6 +96,7 @@ chrome_ios_eg_test("ios_chrome_ui_egtests") {
     "//ios/chrome/browser/ui/history:eg_tests",
     "//ios/chrome/browser/ui/infobars:eg_tests",
     "//ios/chrome/browser/ui/ntp:eg_tests",
+    "//ios/chrome/browser/ui/page_info:eg_tests",
     "//ios/chrome/browser/ui/payments:eg_tests",
     "//ios/chrome/browser/ui/popup_menu:eg_tests",
     "//ios/chrome/browser/ui/print:eg_tests",