Upstream Chrome on iOS source code [8/11].

ios/chrome/browser/ui/settings/physical_web_collection_view_controller_unittest.mm

+// Copyright 2016 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/settings/physical_web_collection_view_controller.h"
+
+#include <memory>
+
+#include "base/files/file_path.h"
+#include "base/memory/ptr_util.h"
+#include "base/memory/ref_counted.h"
+#include "base/message_loop/message_loop.h"
+#include "components/prefs/pref_registry_simple.h"
+#include "components/prefs/pref_service.h"
+#include "components/sync_preferences/pref_service_mock_factory.h"
+#include "ios/chrome/browser/physical_web/physical_web_constants.h"
+#include "ios/chrome/browser/pref_names.h"
+#import "ios/chrome/browser/ui/collection_view/cells/collection_view_footer_item.h"
+#import "ios/chrome/browser/ui/collection_view/cells/collection_view_switch_item.h"
+#import "ios/chrome/browser/ui/collection_view/collection_view_controller_test.h"
+#include "ios/chrome/grit/ios_chromium_strings.h"
+#include "ios/chrome/grit/ios_strings.h"
+
+@interface PhysicalWebCollectionViewController (ExposedForTesting)
+- (void)updatePhysicalWebEnabled:(BOOL)enabled;
+@end
+
+namespace {
+
+class PhysicalWebCollectionViewControllerTest
+    : public CollectionViewControllerTest {
+ protected:
+  void SetUp() override {
+    CollectionViewControllerTest::SetUp();
+    pref_service_ = CreateLocalState();
+    CreateController();
+  }
+
+  CollectionViewController* NewController() override {
+    physicalWebController_.reset([[PhysicalWebCollectionViewController alloc]
+        initWithPrefs:pref_service_.get()]);
+    return [physicalWebController_ retain];
+  }
+
+  std::unique_ptr<PrefService> CreateLocalState() {
+    scoped_refptr<PrefRegistrySimple> registry(new PrefRegistrySimple());
+    registry->RegisterIntegerPref(prefs::kIosPhysicalWebEnabled,
+                                  physical_web::kPhysicalWebOnboarding);
+
+    sync_preferences::PrefServiceMockFactory factory;
+    base::FilePath path("PhysicalWebCollectionViewControllerTest.pref");
+    factory.SetUserPrefsFile(path, message_loop_.task_runner().get());
+    return factory.Create(registry.get());
+  }
+
+  base::MessageLoopForUI message_loop_;
+  std::unique_ptr<PrefService> pref_service_;
+  base::scoped_nsobject<PhysicalWebCollectionViewController>
+      physicalWebController_;
+};
+
+// Tests PhysicalWebCollectionViewController is set up with all appropriate
+// items and sections.
+TEST_F(PhysicalWebCollectionViewControllerTest, TestModel) {
+  CheckController();
+  EXPECT_EQ(2, NumberOfSections());
+
+  // First section should have no section header and one row (switch item).
+  EXPECT_EQ(1, NumberOfItemsInSection(0));
+  CheckSwitchCellStateAndTitleWithId(NO, IDS_IOS_OPTIONS_ENABLE_PHYSICAL_WEB, 0,
+                                     0);
+
+  // Section section should have no section header and one row (footer item).
+  EXPECT_EQ(1, NumberOfItemsInSection(1));
+  CheckSectionFooterWithId(IDS_IOS_OPTIONS_ENABLE_PHYSICAL_WEB_DETAILS, 1);
+}
+
+TEST_F(PhysicalWebCollectionViewControllerTest, TestUpdateCheckedState) {
+  CheckController();
+  ASSERT_EQ(2, NumberOfSections());
+  ASSERT_EQ(1, NumberOfItemsInSection(0));
+
+  [physicalWebController_
+      updatePhysicalWebEnabled:physical_web::kPhysicalWebOn];
+}
+
+}  // namespace