[Variations] Bring variations_http_header_provider to variations component

chrome/browser/metrics/variations/variations_http_header_provider_unittest.cc

Index: chrome/browser/metrics/variations/variations_http_header_provider_unittest.cc
diff --git a/chrome/browser/metrics/variations/variations_http_header_provider_unittest.cc b/chrome/browser/metrics/variations/variations_http_header_provider_unittest.cc
deleted file mode 100644
index 2e644c4878cf27e540ea8f753b2b911ac13b463a..0000000000000000000000000000000000000000
--- a/chrome/browser/metrics/variations/variations_http_header_provider_unittest.cc
+++ /dev/null
@@ -1,242 +0,0 @@
-// Copyright 2013 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 "chrome/browser/metrics/variations/variations_http_header_provider.h"
-
-#include <string>
-
-#include "base/base64.h"
-#include "base/message_loop/message_loop.h"
-#include "base/metrics/field_trial.h"
-#include "base/run_loop.h"
-#include "chrome/browser/metrics/variations/proto/chrome_experiments.pb.h"
-#include "components/variations/entropy_provider.h"
-#include "components/variations/variations_associated_data.h"
-#include "net/http/http_request_headers.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "url/gurl.h"
-
-namespace chrome_variations {
-
-namespace {
-
-// Decodes the variations header and extracts the variation ids.
-bool ExtractVariationIds(const std::string& variations,
-                         std::set<VariationID>* variation_ids,
-                         std::set<VariationID>* trigger_ids) {
-  std::string serialized_proto;
-  if (!base::Base64Decode(variations, &serialized_proto))
-    return false;
-  metrics::ChromeVariations proto;
-  if (!proto.ParseFromString(serialized_proto))
-    return false;
-  for (int i = 0; i < proto.variation_id_size(); ++i)
-    variation_ids->insert(proto.variation_id(i));
-  for (int i = 0; i < proto.trigger_variation_id_size(); ++i)
-    trigger_ids->insert(proto.trigger_variation_id(i));
-  return true;
-}
-
-scoped_refptr<base::FieldTrial> CreateTrialAndAssociateId(
-    const std::string& trial_name,
-    const std::string& default_group_name,
-    IDCollectionKey key,
-    VariationID id) {
-  scoped_refptr<base::FieldTrial> trial(
-      base::FieldTrialList::CreateFieldTrial(trial_name, default_group_name));
-
-  chrome_variations::AssociateGoogleVariationID(key, trial->trial_name(),
-                                                trial->group_name(), id);
-
-  return trial;
-}
-
-}  // namespace
-
-class VariationsHttpHeaderProviderTest : public ::testing::Test {
- public:
-  VariationsHttpHeaderProviderTest() {}
-
-  virtual ~VariationsHttpHeaderProviderTest() {}
-
-  virtual void TearDown() OVERRIDE {
-    testing::ClearAllVariationIDs();
-  }
-};
-
-TEST_F(VariationsHttpHeaderProviderTest, ShouldAppendHeaders) {
-  struct {
-    const char* url;
-    bool should_append_headers;
-  } cases[] = {
-    { "http://google.com", true },
-    { "http://www.google.com", true },
-    { "http://m.google.com", true },
-    { "http://google.ca", true },
-    { "https://google.ca", true },
-    { "http://google.co.uk", true },
-    { "http://google.co.uk:8080/", true },
-    { "http://www.google.co.uk:8080/", true },
-    { "http://google", false },
-
-    { "http://youtube.com", true },
-    { "http://www.youtube.com", true },
-    { "http://www.youtube.ca", true },
-    { "http://www.youtube.co.uk:8080/", true },
-    { "https://www.youtube.com", true },
-    { "http://youtube", false },
-
-    { "http://www.yahoo.com", false },
-
-    { "http://ad.doubleclick.net", true },
-    { "https://a.b.c.doubleclick.net", true },
-    { "https://a.b.c.doubleclick.net:8081", true },
-    { "http://www.doubleclick.com", true },
-    { "http://www.doubleclick.org", false },
-    { "http://www.doubleclick.net.com", false },
-    { "https://www.doubleclick.net.com", false },
-
-    { "http://ad.googlesyndication.com", true },
-    { "https://a.b.c.googlesyndication.com", true },
-    { "https://a.b.c.googlesyndication.com:8080", true },
-    { "http://www.doubleclick.edu", false },
-    { "http://www.googlesyndication.com.edu", false },
-    { "https://www.googlesyndication.com.com", false },
-
-    { "http://www.googleadservices.com", true },
-    { "http://www.googleadservices.com:8080", true },
-    { "https://www.googleadservices.com", true },
-    { "https://www.internal.googleadservices.com", true },
-    { "https://www2.googleadservices.com", true },
-    { "https://www.googleadservices.org", false },
-    { "https://www.googleadservices.com.co.uk", false },
-
-    { "http://WWW.ANDROID.COM", true },
-    { "http://www.android.com", true },
-    { "http://www.doubleclick.com", true },
-    { "http://www.doubleclick.net", true },
-    { "http://www.ggpht.com", true },
-    { "http://www.googleadservices.com", true },
-    { "http://www.googleapis.com", true },
-    { "http://www.googlesyndication.com", true },
-    { "http://www.googleusercontent.com", true },
-    { "http://www.googlevideo.com", true },
-    { "http://ssl.gstatic.com", true },
-    { "http://www.gstatic.com", true },
-    { "http://www.ytimg.com", true },
-    { "http://wwwytimg.com", false },
-    { "http://ytimg.com", false },
-
-    { "http://www.android.org", false },
-    { "http://www.doubleclick.org", false },
-    { "http://www.doubleclick.net", true },
-    { "http://www.ggpht.org", false },
-    { "http://www.googleadservices.org", false },
-    { "http://www.googleapis.org", false },
-    { "http://www.googlesyndication.org", false },
-    { "http://www.googleusercontent.org", false },
-    { "http://www.googlevideo.org", false },
-    { "http://ssl.gstatic.org", false },
-    { "http://www.gstatic.org", false },
-    { "http://www.ytimg.org", false },
-
-    { "http://a.b.android.com", true },
-    { "http://a.b.doubleclick.com", true },
-    { "http://a.b.doubleclick.net", true },
-    { "http://a.b.ggpht.com", true },
-    { "http://a.b.googleadservices.com", true },
-    { "http://a.b.googleapis.com", true },
-    { "http://a.b.googlesyndication.com", true },
-    { "http://a.b.googleusercontent.com", true },
-    { "http://a.b.googlevideo.com", true },
-    { "http://ssl.gstatic.com", true },
-    { "http://a.b.gstatic.com", true },
-    { "http://a.b.ytimg.com", true },
-
-  };
-
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
-    const GURL url(cases[i].url);
-    EXPECT_EQ(cases[i].should_append_headers,
-              VariationsHttpHeaderProvider::ShouldAppendHeaders(url)) << url;
-  }
-}
-
-TEST_F(VariationsHttpHeaderProviderTest, SetDefaultVariationIds_Valid) {
-  base::MessageLoop loop;
-  VariationsHttpHeaderProvider provider;
-  GURL url("http://www.google.com");
-  net::HttpRequestHeaders headers;
-  std::string variations;
-
-  // Valid experiment ids.
-  EXPECT_TRUE(provider.SetDefaultVariationIds("12,456,t789"));
-  provider.InitVariationIDsCacheIfNeeded();
-  provider.AppendHeaders(url, false, false, &headers);
-  EXPECT_TRUE(headers.HasHeader("X-Client-Data"));
-  headers.GetHeader("X-Client-Data", &variations);
-  std::set<VariationID> variation_ids;
-  std::set<VariationID> trigger_ids;
-  ASSERT_TRUE(ExtractVariationIds(variations, &variation_ids, &trigger_ids));
-  EXPECT_TRUE(variation_ids.find(12) != variation_ids.end());
-  EXPECT_TRUE(variation_ids.find(456) != variation_ids.end());
-  EXPECT_TRUE(trigger_ids.find(789) != trigger_ids.end());
-  EXPECT_FALSE(variation_ids.find(789) != variation_ids.end());
-}
-
-TEST_F(VariationsHttpHeaderProviderTest, SetDefaultVariationIds_Invalid) {
-  base::MessageLoop loop;
-  VariationsHttpHeaderProvider provider;
-  GURL url("http://www.google.com");
-  net::HttpRequestHeaders headers;
-
-  // Invalid experiment ids.
-  EXPECT_FALSE(provider.SetDefaultVariationIds("abcd12,456"));
-  provider.InitVariationIDsCacheIfNeeded();
-  provider.AppendHeaders(url, false, false, &headers);
-  EXPECT_FALSE(headers.HasHeader("X-Client-Data"));
-
-  // Invalid trigger experiment id
-  EXPECT_FALSE(provider.SetDefaultVariationIds("12,tabc456"));
-  provider.InitVariationIDsCacheIfNeeded();
-  provider.AppendHeaders(url, false, false, &headers);
-  EXPECT_FALSE(headers.HasHeader("X-Client-Data"));
-}
-
-TEST_F(VariationsHttpHeaderProviderTest, OnFieldTrialGroupFinalized) {
-  base::MessageLoop loop;
-  base::FieldTrialList field_trial_list(
-      new metrics::SHA1EntropyProvider("test"));
-  VariationsHttpHeaderProvider provider;
-  provider.InitVariationIDsCacheIfNeeded();
-
-  const std::string default_name = "default";
-  scoped_refptr<base::FieldTrial> trial_1(CreateTrialAndAssociateId(
-      "t1", default_name, GOOGLE_WEB_PROPERTIES, 123));
-
-  ASSERT_EQ(default_name, trial_1->group_name());
-
-  scoped_refptr<base::FieldTrial> trial_2(CreateTrialAndAssociateId(
-      "t2", default_name, GOOGLE_WEB_PROPERTIES_TRIGGER, 456));
-
-  ASSERT_EQ(default_name, trial_2->group_name());
-
-  // Run the message loop to make sure OnFieldTrialGroupFinalized is called for
-  // the two field trials.
-  base::RunLoop().RunUntilIdle();
-
-  GURL url("http://www.google.com");
-  net::HttpRequestHeaders headers;
-  provider.AppendHeaders(url, false, false, &headers);
-  std::string variations;
-  headers.GetHeader("X-Client-Data", &variations);
-
-  std::set<VariationID> variation_ids;
-  std::set<VariationID> trigger_ids;
-  ASSERT_TRUE(ExtractVariationIds(variations, &variation_ids, &trigger_ids));
-  EXPECT_TRUE(variation_ids.find(123) != variation_ids.end());
-  EXPECT_TRUE(trigger_ids.find(456) != trigger_ids.end());
-}
-
-}  // namespace chrome_variations