Create offline_url_utils

ios/chrome/browser/reading_list/offline_url_utils_unittest.cc

+// 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.
+
+#include "ios/chrome/browser/reading_list/offline_url_utils.h"
+
+#include <string>
+
+#include "base/files/file_path.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
+
+// Checks the root directory of offline pages.
+TEST(OfflineURLUtilsTest, OfflineRootDirectoryPathTest) {
+  base::FilePath profile_path("/profile_path");
+  base::FilePath offline_directory =
+      reading_list::OfflineRootDirectoryPath(profile_path);
+  EXPECT_EQ("/profile_path/Offline", offline_directory.value());
+}
+
+// Checks the offline page directory is the MD5 of the URL
+TEST(OfflineURLUtilsTest, OfflineURLDirectoryIDTest) {
+  GURL url("http://www.google.com/test");
+  // MD5 of "http://www.google.com/test"
+  std::string md5 = "0090071ef710946a1263c276284bb3b8";
+  std::string directory_id = reading_list::OfflineURLDirectoryID(url);
+  EXPECT_EQ(md5, directory_id);
+}
+
+// Checks the offline page directory is
+// |profile_path|/Offline/OfflineURLDirectoryID;
+TEST(OfflineURLUtilsTest, OfflineURLDirectoryAbsolutePathTest) {
+  base::FilePath profile_path("/profile_path");
+  GURL url("http://www.google.com/test");
+  base::FilePath offline_directory =
+      reading_list::OfflineURLDirectoryAbsolutePath(profile_path, url);
+  EXPECT_EQ("/profile_path/Offline/0090071ef710946a1263c276284bb3b8",
+            offline_directory.value());
+}
+
+// Checks the offline page absolute path is
+// |profile_path|/Offline/OfflineURLDirectoryID/page.html;
+TEST(OfflineURLUtilsTest, OfflinePageAbsolutePathTest) {
+  base::FilePath profile_path("/profile_path");
+  GURL url("http://www.google.com/test");
+  base::FilePath offline_page =
+      reading_list::OfflinePageAbsolutePath(profile_path, url);
+  EXPECT_EQ("/profile_path/Offline/0090071ef710946a1263c276284bb3b8/page.html",
+            offline_page.value());
+}
+
+// Checks the offline page path is OfflineURLDirectoryID/page.html;
+TEST(OfflineURLUtilsTest, OfflinePagePathTest) {
+  GURL url("http://www.google.com/test");
+  base::FilePath offline_page = reading_list::OfflinePagePath(url);
+  EXPECT_EQ("0090071ef710946a1263c276284bb3b8/page.html", offline_page.value());
+}
+
+// Checks the distilled URL for the page is chrome://offline/MD5/page.html;
+TEST(OfflineURLUtilsTest, DistilledURLForPathTest) {
+  base::FilePath page_path("MD5/page.html");
+  GURL distilled_url = reading_list::DistilledURLForPath(page_path);
+  EXPECT_EQ("chrome://offline/MD5/page.html", distilled_url.spec());
+}
+
+// Checks the file path for chrome://offline/MD5/page.html is
+// file://profile_path/Offline/MD5/page.html.
+// Test the resource root for chrome://offline/MD5/page.html is

[gambard, 2016/11/16 12:44:20]

s/Test/Checks/

[Olivier, 2016/11/16 13:36:27]

Done.

+// file://profile_path/Offline/MD5
+TEST(OfflineURLUtilsTest, FileURLForDistilledURLTest) {
+  base::FilePath profile_path("/profile_path");
+  GURL file_url =
+      reading_list::FileURLForDistilledURL(GURL(), profile_path, nullptr);
+  EXPECT_FALSE(file_url.is_valid());

[gambard, 2016/11/16 12:44:20]

Add empty lines between different tests please.

[Olivier, 2016/11/16 13:36:27]

Done.

+  GURL distilled_url("chrome://offline/MD5/page.html");
+  file_url = reading_list::FileURLForDistilledURL(distilled_url, profile_path,
+                                                  nullptr);
+  EXPECT_TRUE(file_url.is_valid());
+  EXPECT_TRUE(file_url.SchemeIsFile());
+  EXPECT_EQ("/profile_path/Offline/MD5/page.html", file_url.path());
+  GURL resource_url;
+  file_url = reading_list::FileURLForDistilledURL(distilled_url, profile_path,
+                                                  &resource_url);
+  EXPECT_TRUE(resource_url.is_valid());
+  EXPECT_TRUE(resource_url.SchemeIsFile());
+  EXPECT_EQ("/profile_path/Offline/MD5/", resource_url.path());
+}