Do not involve PasswordManagerDriver in filling HTTP-auth forms; also check realm

components/password_manager/core/browser/login_model_unittest.cc

Index: components/password_manager/core/browser/login_model_unittest.cc
diff --git a/components/password_manager/core/browser/login_model_unittest.cc b/components/password_manager/core/browser/login_model_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b9915a0e9959330251d87a93ac2d35de530896b4
--- /dev/null
+++ b/components/password_manager/core/browser/login_model_unittest.cc
@@ -0,0 +1,66 @@
+// 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.
+
+#include "components/password_manager/core/browser/login_model.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
+
+using autofill::PasswordForm;
+using base::ASCIIToUTF16;
+using testing::_;
+
+namespace password_manager {
+
+namespace {
+
+// Mocking the class under test is fine, because the mocked methods and the
+// tested methods are disjoint. In particular, the virtual methods of
+// LoginModelObserver are all pure, so what can be tested are only non-virtual
+// (and hence non-mockable) methods.
+class MockLoginModelObserver : public LoginModelObserver {
+ public:
+  MOCK_METHOD2(OnAutofillDataAvailableInternal,
+               void(const base::string16& username,
+                    const base::string16& password));
+
+ private:
+  void OnLoginModelDestroying() override {}
+};
+
+PasswordForm CreateFormWithRealm(const std::string& realm) {
+  PasswordForm form;
+  form.origin = GURL("http://accounts.google.com/a/LoginAuth");
+  form.action = GURL("http://accounts.google.com/a/Login");
+  form.username_element = ASCIIToUTF16("Email");
+  form.password_element = ASCIIToUTF16("Passwd");
+  form.username_value = ASCIIToUTF16("expected username");
+  form.password_value = ASCIIToUTF16("expected password");
+  form.signon_realm = realm;
+  return form;
+}
+
+}  // namespace
+
+TEST(LoginModelObserverTest, FilterNotMatchingRealm) {
+  MockLoginModelObserver observer;
+  observer.set_signon_realm("http://example.com/");
+  EXPECT_CALL(observer, OnAutofillDataAvailableInternal(_, _)).Times(0);
+  PasswordForm form = CreateFormWithRealm("http://test.org/");
+  observer.OnAutofillDataAvailable(form);
+}
+
+TEST(LoginModelObserverTest, NotFilterMatchingRealm) {
+  MockLoginModelObserver observer;
+  observer.set_signon_realm("http://example.com/");
+  EXPECT_CALL(observer, OnAutofillDataAvailableInternal(
+                            ASCIIToUTF16("expected username"),
+                            ASCIIToUTF16("expected password")));
+  PasswordForm form = CreateFormWithRealm("http://example.com/");
+  observer.OnAutofillDataAvailable(form);
+}
+
+}  // namespace password_manager