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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/metrics/extension_metrics.h" | |
| 6 | |
| 7 #include <string> | |
| 8 | |
| 9 #include "components/metrics/proto/system_profile.pb.h" | |
| 10 #include "extensions/common/extension.h" | |
| 11 #include "extensions/common/extension_builder.h" | |
| 12 #include "extensions/common/extension_set.h" | |
| 13 #include "testing/gtest/include/gtest/gtest.h" | |
| 14 | |
| 15 namespace { | |
| 16 | |
| 17 class TestHashedExtensionMetrics : public HashedExtensionMetrics { | |
| 18 public: | |
| 19 explicit TestHashedExtensionMetrics(uint64 client_id) | |
| 20 : HashedExtensionMetrics(client_id) {} | |
| 21 | |
| 22 // Makes the protected HashExtension method available to testing code. | |
| 23 using HashedExtensionMetrics::HashExtension; | |
| 24 | |
| 25 protected: | |
| 26 // Override the GetInstalledExtensions method to return a set of extensions | |
| 27 // for tests. | |
| 28 virtual scoped_ptr<extensions::ExtensionSet> GetInstalledExtensions() | |
| 29 OVERRIDE { | |
| 30 scoped_ptr<extensions::ExtensionSet> extensions( | |
| 31 new extensions::ExtensionSet()); | |
| 32 scoped_refptr<const extensions::Extension> extension; | |
| 33 extension = extensions::ExtensionBuilder() | |
| 34 .SetManifest(extensions::DictionaryBuilder() | |
| 35 .Set("name", "Test extension") | |
| 36 .Set("version", "1.0.0") | |
| 37 .Set("manifest_version", 2)) | |
| 38 .SetID("ahfgeienlihckogmohjhadlkjgocpleb") | |
| 39 .Build(); | |
| 40 extensions->Insert(extension); | |
| 41 extension = extensions::ExtensionBuilder() | |
| 42 .SetManifest(extensions::DictionaryBuilder() | |
| 43 .Set("name", "Test extension 2") | |
| 44 .Set("version", "1.0.0") | |
| 45 .Set("manifest_version", 2)) | |
| 46 .SetID("pknkgggnfecklokoggaggchhaebkajji") | |
| 47 .Build(); | |
| 48 extensions->Insert(extension); | |
| 49 extension = extensions::ExtensionBuilder() | |
| 50 .SetManifest(extensions::DictionaryBuilder() | |
| 51 .Set("name", "Colliding Extension") | |
| 52 .Set("version", "1.0.0") | |
| 53 .Set("manifest_version", 2)) | |
| 54 .SetID("mdhofdjgenpkhlmddfaegdjddcecipmo") | |
| 55 .Build(); | |
| 56 extensions->Insert(extension); | |
| 57 return extensions.Pass(); | |
| 58 } | |
| 59 }; | |
| 60 | |
| 61 } // namespace | |
| 62 | |
| 63 // Checks that the hash function used to hide precise extension IDs produces | |
| 64 // the expected values. | |
| 65 TEST(HashedExtensionMetrics, HashExtension) { | |
| 66 EXPECT_EQ(978, TestHashedExtensionMetrics::HashExtension( | |
| 67 "ahfgeienlihckogmohjhadlkjgocpleb", 0)); | |
| 68 EXPECT_EQ(10, TestHashedExtensionMetrics::HashExtension( | |
| 69 "ahfgeienlihckogmohjhadlkjgocpleb", 3817)); | |
| 70 EXPECT_EQ(1007, TestHashedExtensionMetrics::HashExtension( | |
| 71 "pknkgggnfecklokoggaggchhaebkajji", 3817)); | |
| 72 EXPECT_EQ(10, TestHashedExtensionMetrics::HashExtension( | |
| 73 "mdhofdjgenpkhlmddfaegdjddcecipmo", 3817)); | |
| 74 } | |
| 75 | |
| 76 // Checks that the fake set of extensions provided by | |
| 77 // TestHashedExtensionMetrics is encoded properly. | |
| 78 TEST(HashedExtensionMetrics, SystemProtoEncoding) { | |
| 79 metrics::SystemProfileProto system_profile; | |
| 80 TestHashedExtensionMetrics extension_metrics(0x3f1bfee9); | |
| 81 extension_metrics.WriteExtensionList(&system_profile); | |
| 82 ASSERT_EQ(2, system_profile.occupied_extension_bucket_size()); | |
| 83 EXPECT_EQ(10, system_profile.occupied_extension_bucket(0)); | |
| 84 EXPECT_EQ(1007, system_profile.occupied_extension_bucket(1)); | |
| 85 } | |
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Chromium Code Reviews
Issue 297483008:
Refactor HashedExtensionMetrics into ExtensionsMetricsProvider. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src