Add a unit test for web resource logo unpacking.

BUG=none
TEST=new unit test should pass.
Review URL: http://codereview.chromium.org/3473013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60380 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 88 insertions, 0 deletions

diff --git a/chrome/browser/web_resource/web_resource_service_unittest.cc b/chrome/browser/web_resource/web_resource_service_unittest.cc
new file mode 100644
index 0000000..1f2570c
--- /dev/null
+++ b/chrome/browser/web_resource/web_resource_service_unittest.cc
@@ -0,0 +1,88 @@
+// Copyright (c) 2010 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 "base/json/json_reader.h"
+#include "base/time.h"
+#include "base/utf_string_conversions.h"
+#include "base/values.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/web_resource/web_resource_service.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/test/testing_profile.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+typedef testing::Test WebResourceServiceTest;
+
+// Verifies that custom dates read from a web resource server are written to
+// the preferences file.
+TEST_F(WebResourceServiceTest, UnpackLogoSignal) {
+  // Set up a testing profile and create a web resource service.
+  TestingProfile profile;
+  scoped_refptr<WebResourceService> web_resource_service(
+      new WebResourceService(&profile));
+
+  // Set up start and end dates in a Dictionary as if parsed from the service.
+  std::string json = "{ "
+                     "  \"topic\": {"
+                     "    \"answers\": ["
+                     "       {"
+                     "        \"custom_logo_start\": \"31/01/10 01:00 GMT\","
+                     "        \"custom_logo_end\": \"31/01/12 01:00 GMT\""
+                     "       }"
+                     "    ]"
+                     "  }"
+                     "}";
+  scoped_ptr<DictionaryValue> test_json(static_cast<DictionaryValue*>(
+      base::JSONReader::Read(json, false)));
+
+  // Check that prefs are set correctly.
+  web_resource_service->UnpackLogoSignal(*(test_json.get()));
+  double logo_start =
+      profile.GetPrefs()->GetReal(prefs::kNTPCustomLogoStart);
+  ASSERT_EQ(logo_start, 1264899600);  // unix epoch for Jan 31 2010 0100 GMT.
+  double logo_end =
+      profile.GetPrefs()->GetReal(prefs::kNTPCustomLogoEnd);
+  ASSERT_EQ(logo_end, 1327971600);  // unix epoch for Jan 31 2012 0100 GMT.
+
+  // Change the start only and recheck.
+  json = "{ "
+         "  \"topic\": {"
+         "    \"answers\": ["
+         "       {"
+         "        \"custom_logo_start\": \"28/02/10 14:00 GMT\","
+         "        \"custom_logo_end\": \"31/01/12 01:00 GMT\""
+         "       }"
+         "    ]"
+         "  }"
+         "}";
+  test_json->Clear();
+  test_json.reset(static_cast<DictionaryValue*>(
+      base::JSONReader::Read(json, false)));
+
+  // Check that prefs are set correctly.
+  web_resource_service->UnpackLogoSignal(*(test_json.get()));
+  logo_start = profile.GetPrefs()->GetReal(prefs::kNTPCustomLogoStart);
+  ASSERT_EQ(logo_start, 1267365600);  // date changes to Feb 28 2010 1400 GMT.
+
+  // If no date is included in the prefs, reset custom logo dates to 0.
+  json = "{ "
+         "  \"topic\": {"
+         "    \"answers\": ["
+         "       {"
+         "       }"
+         "    ]"
+         "  }"
+         "}";
+  test_json->Clear();
+  test_json.reset(static_cast<DictionaryValue*>(
+      base::JSONReader::Read(json, false)));
+
+  // Check that prefs are set correctly.
+  web_resource_service->UnpackLogoSignal(*(test_json.get()));
+  logo_start = profile.GetPrefs()->GetReal(prefs::kNTPCustomLogoStart);
+  ASSERT_EQ(logo_start, 0);  // date value reset to 0;
+  logo_end = profile.GetPrefs()->GetReal(prefs::kNTPCustomLogoEnd);
+  ASSERT_EQ(logo_end, 0);  // date value reset to 0;
+}
+