Implement CredentialItemView and tests for the Mac account chooser.

chrome/browser/ui/cocoa/passwords/credential_item_view_unittest.mm

+// Copyright 2015 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 "chrome/browser/ui/cocoa/passwords/credential_item_view.h"
+
+#include "base/strings/sys_string_conversions.h"
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/ui/cocoa/cocoa_test_helper.h"
+#include "testing/gtest_mac.h"
+#import "third_party/ocmock/OCMock/OCMock.h"
+#include "third_party/ocmock/gtest_support.h"
+#include "ui/gfx/image/image.h"
+
+@interface CredentialItemView(Testing)
+@property(nonatomic, readonly) NSTextField* nameLabel;
+@property(nonatomic, readonly) NSTextField* usernameLabel;
+@property(nonatomic, readonly) NSImageView* avatarView;
+@end
+
+// A test implementation of a CredentialItemDelegate to stub out interactions.
+@interface CredentialItemTestDelegate : NSObject<CredentialItemDelegate>
+@property(nonatomic, readonly) BOOL didFetchAvatar;
+@property(nonatomic, readonly) GURL fetchedAvatarURL;
+@property(nonatomic, readonly) CredentialItemView* viewForFetchedAvatar;
+@property(nonatomic, readonly) BOOL didSelectPasswordForm;
+@property(nonatomic, readonly) autofill::PasswordForm selectedPasswordForm;
+@property(nonatomic, readonly)
+    password_manager::CredentialType selectedCredentialType;
+@end
+
+@implementation CredentialItemTestDelegate
+@synthesize didFetchAvatar = didFetchAvatar_;
+@synthesize fetchedAvatarURL = fetchedAvatarURL_;
+@synthesize viewForFetchedAvatar = viewForFetchedAvatar_;
+@synthesize didSelectPasswordForm = didSelectPasswordForm_;
+@synthesize selectedPasswordForm = selectedPasswordForm_;
+@synthesize selectedCredentialType = selectedCredentialType_;
+
+- (void)fetchAvatar:(const GURL&)avatarURL forView:(CredentialItemView*)view {
+  didFetchAvatar_ = YES;
+  fetchedAvatarURL_ = avatarURL;
+  viewForFetchedAvatar_ = view;
+}
+
+- (void)selectPasswordForm:(const autofill::PasswordForm&)passwordForm
+            credentialType:(password_manager::CredentialType)credentialType {
+  didSelectPasswordForm_ = YES;
+  selectedPasswordForm_ = passwordForm;
+  selectedCredentialType_ = credentialType;
+}
+
+@end
+
+namespace {
+
+// Determines whether |left| and |right| have the same data representation.
+// Necessary because [CredentialItemView defaultAvatar] does some ImageSkia
+// stuff that creates new NSImage instances.
+bool ImagesEqual(NSImage* left, NSImage* right) {

[dconnelly, 2015/03/04 12:30:54]

This had to come back. See comment.

[groby-ooo-7-16, 2015/03/04 16:17:59]

Ah well - it was worth a try :)

+  if (!left || !right)
+    return left == right;
+
+  gfx::Image leftImage([left copy]);
+  gfx::Image rightImage([right copy]);
+  return leftImage.As1xPNGBytes()->Equals(rightImage.As1xPNGBytes());
+}
+
+// Returns a PasswordForm with only a username.
+autofill::PasswordForm BasicCredential() {
+  autofill::PasswordForm credential;
+  credential.username_value = base::ASCIIToUTF16("taco");
+  return credential;
+}
+
+// Returns a PasswordForm with a username and display name.
+autofill::PasswordForm CredentialWithName() {
+  autofill::PasswordForm credential;
+  credential.username_value = base::ASCIIToUTF16("pizza");
+  credential.display_name = base::ASCIIToUTF16("margherita pizza");
+  return credential;
+}
+
+// Returns a PasswordForm with a username and avatar URL.
+autofill::PasswordForm CredentialWithAvatar() {
+  autofill::PasswordForm credential;
+  credential.username_value = base::ASCIIToUTF16("sandwich");
+  credential.avatar_url = GURL("http://sandwich.com/pastrami.jpg");
+  return credential;
+}
+
+// Returns a PasswordForm with a username, display name, and avatar URL.
+autofill::PasswordForm CredentialWithNameAndAvatar() {
+  autofill::PasswordForm credential;
+  credential.username_value = base::ASCIIToUTF16("noodle");
+  credential.display_name = base::ASCIIToUTF16("pasta amatriciana");
+  credential.avatar_url = GURL("http://pasta.com/amatriciana.png");
+  return credential;
+}
+
+// Tests for CredentialItemViewTest.
+class CredentialItemViewTest : public CocoaTest {
+ protected:
+  void SetUp() override {
+    delegate_.reset([[CredentialItemTestDelegate alloc] init]);
+  }
+
+  // Returns a delegate for testing.
+  CredentialItemTestDelegate* delegate() { return delegate_.get(); }
+
+  // Returns an autoreleased view populated from |form|.
+  CredentialItemView* view(const autofill::PasswordForm& form) {
+    return [[[CredentialItemView alloc]
+        initWithPasswordForm:form
+              credentialType:password_manager::CredentialType::
+                                 CREDENTIAL_TYPE_LOCAL
+                    delegate:delegate()] autorelease];
+  }
+
+ private:
+  base::scoped_nsobject<CredentialItemTestDelegate> delegate_;
+};
+
+TEST_F(CredentialItemViewTest, BasicCredential) {
+  autofill::PasswordForm form(BasicCredential());
+  CredentialItemView* item = view(form);
+
+  EXPECT_NSEQ(base::SysUTF16ToNSString(form.username_value),
+              [item usernameLabel].stringValue);
+  EXPECT_EQ(nil, [item nameLabel]);
+  EXPECT_FALSE([delegate() didFetchAvatar]);
+  EXPECT_TRUE(
+      ImagesEqual([CredentialItemView defaultAvatar], [item avatarView].image));
+}
+
+TEST_F(CredentialItemViewTest, CredentialWithName) {
+  autofill::PasswordForm form(CredentialWithName());
+  CredentialItemView* item = view(form);
+
+  EXPECT_NSEQ(base::SysUTF16ToNSString(form.username_value),
+              [item usernameLabel].stringValue);
+  EXPECT_NSEQ(base::SysUTF16ToNSString(form.display_name),
+              [item nameLabel].stringValue);
+  EXPECT_FALSE([delegate() didFetchAvatar]);
+  EXPECT_TRUE(
+      ImagesEqual([CredentialItemView defaultAvatar], [item avatarView].image));
+}
+
+TEST_F(CredentialItemViewTest, CredentialWithAvatar) {
+  autofill::PasswordForm form(CredentialWithAvatar());
+  CredentialItemView* item = view(form);
+
+  EXPECT_NSEQ(base::SysUTF16ToNSString(form.username_value),
+              [item usernameLabel].stringValue);
+  EXPECT_EQ(nil, [item nameLabel]);
+  EXPECT_TRUE([delegate() didFetchAvatar]);
+  EXPECT_EQ(form.avatar_url, [delegate() fetchedAvatarURL]);
+  EXPECT_EQ(item, [delegate() viewForFetchedAvatar]);
+  EXPECT_TRUE(
+      ImagesEqual([CredentialItemView defaultAvatar], [item avatarView].image));
+
+  [item updateAvatar:nil];
+  EXPECT_FALSE([item avatarView].image);
+}
+
+TEST_F(CredentialItemViewTest, CredentialWithNameAndAvatar) {
+  autofill::PasswordForm form(CredentialWithNameAndAvatar());
+  CredentialItemView* item = view(form);
+
+  EXPECT_NSEQ(base::SysUTF16ToNSString(form.username_value),
+              [item usernameLabel].stringValue);
+  EXPECT_NSEQ(base::SysUTF16ToNSString(form.display_name),
+              [item nameLabel].stringValue);
+  EXPECT_TRUE([delegate() didFetchAvatar]);
+  EXPECT_EQ(form.avatar_url, [delegate() fetchedAvatarURL]);
+  EXPECT_EQ(item, [delegate() viewForFetchedAvatar]);
+  EXPECT_TRUE(
+      ImagesEqual([CredentialItemView defaultAvatar], [item avatarView].image));
+
+  [item updateAvatar:nil];
+  EXPECT_FALSE([item avatarView].image);
+}
+
+}  // namespace