Restructure SDCH layering to allow more separation (observer/1->[0,n]

net/url_request/sdch_dictionary_fetcher_unittest.cc

 // Copyright 2014 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 "net/base/sdch_dictionary_fetcher.h"
+#include "net/url_request/sdch_dictionary_fetcher.h"
 
 #include <string>
 
+#include "base/bind.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/thread_task_runner_handle.h"
 #include "net/base/sdch_manager.h"
 #include "net/url_request/url_request_data_job.h"
 #include "net/url_request/url_request_filter.h"
 #include "net/url_request/url_request_interceptor.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
@@ skipping 47 matching lines @@
     GURL url(request_->url());
     *data = ExpectedResponseForURL(url);
     return OK;
   }
 
   static int jobs_requested_;
 };
 
 int URLRequestSpecifiedResponseJob::jobs_requested_(0);
 
-class SdchTestDelegate : public SdchFetcher::Delegate {
+class SdchDictionaryFetcherTest : public ::testing::Test {
  public:
   struct DictionaryAdditions {
     DictionaryAdditions(const std::string& dictionary_text,
                         const GURL& dictionary_url)
         : dictionary_text(dictionary_text),
           dictionary_url(dictionary_url) {}
 
 
     std::string dictionary_text;
     GURL dictionary_url;
   };
 
-  void AddSdchDictionary(const std::string& dictionary_text,
-                         const GURL& dictionary_url) override {
+  SdchDictionaryFetcherTest() {}
+
+  virtual void SetUp() override {
+    DCHECK(!fetcher_.get());
+
+    URLRequestSpecifiedResponseJob::AddUrlHandler();
+    context_.reset(new TestURLRequestContext);
+    fetcher_.reset(new SdchDictionaryFetcher(
+        context_.get(),
+        base::Bind(&SdchDictionaryFetcherTest::OnDictionaryFetched,
+                   base::Unretained(this))));
+  }
+
+  virtual void TearDown() override {
+    URLRequestSpecifiedResponseJob::RemoveUrlHandler();
+    fetcher_.reset();
+    context_.reset();
+  }
+
+  void OnDictionaryFetched(const std::string& dictionary_text,
+                           const GURL& dictionary_url) {
     dictionary_additions.push_back(
         DictionaryAdditions(dictionary_text, dictionary_url));
   }
 
   void GetDictionaryAdditions(std::vector<DictionaryAdditions>* out) {
     out->swap(dictionary_additions);
     dictionary_additions.clear();
   }
 
- private:
-  std::vector<DictionaryAdditions> dictionary_additions;
-};
-
-class SdchDictionaryFetcherTest : public ::testing::Test {
- public:
-  SdchDictionaryFetcherTest() {}
-
-  virtual void SetUp() override {
-    DCHECK(!fetcher_.get());
-
-    URLRequestSpecifiedResponseJob::AddUrlHandler();
-    fetcher_delegate_.reset(new SdchTestDelegate);
-    context_.reset(new TestURLRequestContext);
-    fetcher_.reset(new SdchDictionaryFetcher(
-        fetcher_delegate_.get(), context_.get()));
-  }
-
-  virtual void TearDown() override {
-    URLRequestSpecifiedResponseJob::RemoveUrlHandler();
-    fetcher_.reset();
-    context_.reset();
-    fetcher_delegate_.reset();
-  }
-
   SdchDictionaryFetcher* fetcher() { return fetcher_.get(); }
-  SdchTestDelegate* manager() { return fetcher_delegate_.get(); }
 
   // May not be called outside the SetUp()/TearDown() interval.
   int JobsRequested() {
     return URLRequestSpecifiedResponseJob::jobs_requested();
   }
 
   GURL PathToGurl(const char* path) {
     std::string gurl_string("http://");
     gurl_string += kTestDomain;
     gurl_string += "/";
     gurl_string += path;
     return GURL(gurl_string);
   }
 
  private:
-  scoped_ptr<SdchTestDelegate> fetcher_delegate_;
   scoped_ptr<TestURLRequestContext> context_;
   scoped_ptr<SdchDictionaryFetcher> fetcher_;
+  std::vector<DictionaryAdditions> dictionary_additions;
 };
 
 // Schedule a fetch and make sure it happens.
 TEST_F(SdchDictionaryFetcherTest, Basic) {
   GURL dictionary_url(PathToGurl("dictionary"));
   fetcher()->Schedule(dictionary_url);
 
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(1, JobsRequested());
-  std::vector<SdchTestDelegate::DictionaryAdditions> additions;
-  manager()->GetDictionaryAdditions(&additions);
+  std::vector<DictionaryAdditions> additions;
+  GetDictionaryAdditions(&additions);
   ASSERT_EQ(1u, additions.size());
   EXPECT_EQ(URLRequestSpecifiedResponseJob::ExpectedResponseForURL(
       dictionary_url), additions[0].dictionary_text);
 }
 
 // Multiple fetches of the same URL should result in only one request.
 TEST_F(SdchDictionaryFetcherTest, Multiple) {
   GURL dictionary_url(PathToGurl("dictionary"));
   fetcher()->Schedule(dictionary_url);
   fetcher()->Schedule(dictionary_url);
   fetcher()->Schedule(dictionary_url);
   base::RunLoop().RunUntilIdle();
 
   EXPECT_EQ(1, JobsRequested());
-  std::vector<SdchTestDelegate::DictionaryAdditions> additions;
-  manager()->GetDictionaryAdditions(&additions);
+  std::vector<DictionaryAdditions> additions;
+  GetDictionaryAdditions(&additions);
   ASSERT_EQ(1u, additions.size());
   EXPECT_EQ(URLRequestSpecifiedResponseJob::ExpectedResponseForURL(
       dictionary_url), additions[0].dictionary_text);
 }
 
 // A cancel should result in no actual requests being generated.
 TEST_F(SdchDictionaryFetcherTest, Cancel) {
   GURL dictionary_url_1(PathToGurl("dictionary_1"));
   GURL dictionary_url_2(PathToGurl("dictionary_2"));
   GURL dictionary_url_3(PathToGurl("dictionary_3"));
 
   fetcher()->Schedule(dictionary_url_1);
   fetcher()->Schedule(dictionary_url_2);
   fetcher()->Schedule(dictionary_url_3);
   fetcher()->Cancel();
   base::RunLoop().RunUntilIdle();
 
   // Synchronous execution may have resulted in a single job being scheduled.
   EXPECT_GE(1, JobsRequested());
 }
 
 }