Allow AppSearchProvider to provide recommendations.

chrome/browser/ui/app_list/search/app_search_provider_unittest.cc

Index: chrome/browser/ui/app_list/search/app_search_provider_unittest.cc
diff --git a/chrome/browser/ui/app_list/search/app_search_provider_unittest.cc b/chrome/browser/ui/app_list/search/app_search_provider_unittest.cc
index 451eb5b7d669516bc4ae1676e49b6443dd25c58b..3d405dc3b8c35563f23239d94897f3c6cc92eec5 100644
--- a/chrome/browser/ui/app_list/search/app_search_provider_unittest.cc
+++ b/chrome/browser/ui/app_list/search/app_search_provider_unittest.cc
@@ -14,12 +14,15 @@
 #include "chrome/browser/ui/app_list/search/chrome_search_result.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/test/base/testing_profile.h"
+#include "extensions/browser/extension_prefs.h"
 #include "extensions/common/extension_set.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace app_list {
 namespace test {
 
+const base::Time kTestCurrentTime = base::Time::FromInternalValue(1000);
+
 class AppSearchProviderTest : public AppListTestBase {
  public:
   AppSearchProviderTest() {}
@@ -33,8 +36,7 @@ class AppSearchProviderTest : public AppListTestBase {
   }
 
   std::string RunQuery(const std::string& query) {
-    app_search_->Start(base::UTF8ToUTF16(query));
-    app_search_->Stop();
+    app_search_->StartImpl(kTestCurrentTime, base::UTF8ToUTF16(query));
 
     std::string result_str;
     const SearchProvider::Results& results = app_search_->results();
@@ -47,14 +49,12 @@ class AppSearchProviderTest : public AppListTestBase {
     return result_str;
   }
 
- private:
   scoped_ptr<AppSearchProvider> app_search_;
 
   DISALLOW_COPY_AND_ASSIGN(AppSearchProviderTest);
 };
 
 TEST_F(AppSearchProviderTest, Basic) {
-  EXPECT_EQ("", RunQuery(""));
   EXPECT_EQ("", RunQuery("!@#$-,-_"));
   EXPECT_EQ("", RunQuery("unmatched query"));
 
@@ -92,5 +92,20 @@ TEST_F(AppSearchProviderTest, Uninstall) {
   base::RunLoop().RunUntilIdle();
 }
 
+TEST_F(AppSearchProviderTest, FetchRecommendations) {
+  extensions::ExtensionPrefs* prefs =
+      extensions::ExtensionPrefs::Get(profile_.get());
+
+  prefs->SetLastLaunchTime(kHostedAppId, base::Time::FromInternalValue(20));
+  prefs->SetLastLaunchTime(kPackagedApp1Id, base::Time::FromInternalValue(10));
+  prefs->SetLastLaunchTime(kPackagedApp2Id, base::Time::FromInternalValue(0));
+  EXPECT_EQ("Hosted App,Packaged App 1,Packaged App 2", RunQuery(""));
+
+  prefs->SetLastLaunchTime(kHostedAppId, base::Time::FromInternalValue(0));
+  prefs->SetLastLaunchTime(kPackagedApp1Id, base::Time::FromInternalValue(10));
+  prefs->SetLastLaunchTime(kPackagedApp2Id, base::Time::FromInternalValue(20));
+  EXPECT_EQ("Packaged App 2,Packaged App 1,Hosted App", RunQuery(""));
+}
+
 }  // namespace test
 }  // namespace app_list