Quirks Client for downloading and providing display profiles

chrome/browser/chromeos/display/quirks_browsertest.cc

Index: chrome/browser/chromeos/display/quirks_browsertest.cc
diff --git a/chrome/browser/chromeos/display/quirks_browsertest.cc b/chrome/browser/chromeos/display/quirks_browsertest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..93f86b8188efa6e78dc23f553407f8582ae96852
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+++ b/chrome/browser/chromeos/display/quirks_browsertest.cc
@@ -0,0 +1,139 @@
+// 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 "base/command_line.h"
+#include "base/files/file_util.h"
+#include "base/run_loop.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "components/quirks/quirks_manager.h"
+#include "components/quirks/switches.h"
+#include "content/public/test/test_utils.h"
+#include "net/url_request/test_url_fetcher_factory.h"
+
+namespace quirks {
+
+namespace {
+
+const char kFakeIccJson[] = "{\n  \"icc\": \"AAAIkCAgICACEAAA\"\n}";
+const char kFakeIccData[] = {0x00, 0x00, 0x08, 0x90, 0x20, 0x20,
+                             0x20, 0x20, 0x02, 0x10, 0x00, 0x00};
+
+// Create FakeURLFetcher which returns fake icc file json.
+scoped_ptr<net::URLFetcher> CreateFakeURLFetcherSuccess(
+    const GURL& url,
+    net::URLFetcherDelegate* delegate) {
+  net::URLFetcher* fetcher =
+      new net::FakeURLFetcher(url, delegate, kFakeIccJson, net::HTTP_OK,
+                              net::URLRequestStatus::SUCCESS);
+  return make_scoped_ptr(fetcher);
+}
+
+// Create FakeURLFetcher which replies with HTTP_NOT_FOUND.
+scoped_ptr<net::URLFetcher> CreateFakeURLFetcherFailure(
+    const GURL& url,
+    net::URLFetcherDelegate* delegate) {
+  net::URLFetcher* fetcher = new net::FakeURLFetcher(
+      url, delegate, "File not found", net::HTTP_NOT_FOUND,
+      net::URLRequestStatus::FAILED);
+  return make_scoped_ptr(fetcher);
+}
+
+// Full path to fake icc file in <tmp test directory>/display_profiles/.
+base::FilePath GetPathForIccFile(int64_t product_id) {
+  return QuirksManager::Get()
+      ->delegate()
+      ->GetDownloadDisplayProfileDirectory()
+      .Append(quirks::IdToFileName(product_id));
+}
+
+}  // namespace
+
+class QuirksBrowserTest : public InProcessBrowserTest {
+ public:
+  QuirksBrowserTest() : file_existed_(false) {}
+
+ protected:
+  ~QuirksBrowserTest() override = default;
+
+  void Initialize() {
+    // NOTE: QuirksManager::Initialize() isn't necessary here, since it'll be
+    // called in ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun().
+
+    // Create display_profiles subdirectory under temp profile directory.
+    const base::FilePath path =
+        QuirksManager::Get()->delegate()->GetDownloadDisplayProfileDirectory();
+    base::File::Error error = base::File::FILE_OK;
+    bool created = base::CreateDirectoryAndGetError(path, &error);
+    ASSERT_TRUE(created);
+
+    // Quirks clients can't run until after login.
+    quirks::QuirksManager::Get()->OnLoginCompleted();
+  }
+
+  // Query QuirksManager for icc file, then run msg loop to wait for callback.
+  // |find_fake_file| indicates that URLFetcher should respond with success.
+  void TestQuirksClient(int64_t product_id, bool find_fake_file) {
+    // Set up fake url getter.
+    QuirksManager::Get()->SetFakeQuirksFetcherCreatorForTests(
+        base::Bind(find_fake_file ? &CreateFakeURLFetcherSuccess
+                                  : &CreateFakeURLFetcherFailure));
+
+    base::RunLoop run_loop;
+    end_message_loop_ = run_loop.QuitClosure();
+
+    quirks::QuirksManager::Get()->RequestIccProfilePath(
+        product_id, base::Bind(&QuirksBrowserTest::OnQuirksClientFinished,
+                               base::Unretained(this)));
+
+    run_loop.Run();
+  }
+
+  // Callback from RequestIccProfilePath().
+  void OnQuirksClientFinished(const base::FilePath& path, bool downloaded) {
+    icc_path_ = path;
+    file_existed_ = !downloaded;
+    ASSERT_TRUE(!end_message_loop_.is_null());
+    end_message_loop_.Run();
+  }
+
+  // InProcessBrowserTest overrides.
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    command_line->AppendSwitch(switches::kEnableQuirksClient);
+  }
+
+  void SetUpOnMainThread() override { Initialize(); }
+
+  base::Closure end_message_loop_;  // Callback to terminate message loop.
+  base::FilePath icc_path_;         // Path to icc file if found or downloaded.
+  bool file_existed_;               // File was previously downloaded.
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(QuirksBrowserTest);
+};
+
+IN_PROC_BROWSER_TEST_F(QuirksBrowserTest, DownloadIccFile) {
+  // Request a file from fake Quirks Server, verify that file is written with
+  // correct location and data.
+  TestQuirksClient(0x0000aaaa, true);
+  base::FilePath path = GetPathForIccFile(0x0000aaaa);
+  EXPECT_EQ(icc_path_, path);
+  EXPECT_EQ(file_existed_, false);
+  EXPECT_TRUE(base::PathExists(path));
+  char data[32];
+  ReadFile(path, data, sizeof(data));
+  EXPECT_EQ(0, memcmp(data, kFakeIccData, sizeof(kFakeIccData)));
+
+  // Retest same file, this time expect it to already exist.
+  TestQuirksClient(0x0000aaaa, true);
+  EXPECT_EQ(icc_path_, path);
+  EXPECT_EQ(file_existed_, true);
+
+  // Finally, request a file that doesn't exist on fake Quirks Server.
+  TestQuirksClient(0x1111bbbb, false);
+  EXPECT_EQ(icc_path_, base::FilePath());
+  EXPECT_EQ(file_existed_, false);
+  EXPECT_FALSE(base::PathExists(GetPathForIccFile(0x1111bbbb)));
+}
+
+}  // namespace quirks