Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / chrome / common / variations / experiment_labels_unittest.cc
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/common/variations/experiment_labels.h"
6
7 #include <set>
8 #include <string>
9 #include <vector>
10
11 #include "base/basictypes.h"
12 #include "base/metrics/field_trial.h"
13 #include "base/strings/string_split.h"
14 #include "base/strings/utf_string_conversions.h"
15 #include "components/variations/variations_associated_data.h"
16 #include "testing/gtest/include/gtest/gtest.h"
17
18 namespace chrome_variations {
19
20 TEST(ExperimentLabelsTest, BuildGoogleUpdateExperimentLabel) {
21   const variations::VariationID TEST_VALUE_A = 3300200;
22   const variations::VariationID TEST_VALUE_B = 3300201;
23   const variations::VariationID TEST_VALUE_C = 3300202;
24   const variations::VariationID TEST_VALUE_D = 3300203;
25
26   struct {
27     const char* active_group_pairs;
28     const char* expected_ids;
29   } test_cases[] = {
30     // Empty group.
31     {"", ""},
32     // Group of 1.
33     {"FieldTrialA#Default", "3300200"},
34     // Group of 1, doesn't have an associated ID.
35     {"FieldTrialA#DoesNotExist", ""},
36     // Group of 3.
37     {"FieldTrialA#Default#FieldTrialB#Group1#FieldTrialC#Default",
38      "3300200#3300201#3300202"},
39     // Group of 3, one doesn't have an associated ID.
40     {"FieldTrialA#Default#FieldTrialB#DoesNotExist#FieldTrialC#Default",
41      "3300200#3300202"},
42     // Group of 3, all three don't have an associated ID.
43     {"FieldTrialX#Default#FieldTrialB#DoesNotExist#FieldTrialC#Default",
44      "3300202"},
45   };
46
47   // Register a few VariationIDs.
48   AssociateGoogleVariationID(variations::GOOGLE_UPDATE_SERVICE, "FieldTrialA",
49                              "Default", TEST_VALUE_A);
50   AssociateGoogleVariationID(variations::GOOGLE_UPDATE_SERVICE, "FieldTrialB",
51                              "Group1", TEST_VALUE_B);
52   AssociateGoogleVariationID(variations::GOOGLE_UPDATE_SERVICE, "FieldTrialC",
53                              "Default", TEST_VALUE_C);
54   AssociateGoogleVariationID(variations::GOOGLE_UPDATE_SERVICE, "FieldTrialD",
55                              "Default", TEST_VALUE_D);  // Not actually used.
56
57   for (size_t i = 0; i < arraysize(test_cases); ++i) {
58     // Parse the input groups.
59     base::FieldTrial::ActiveGroups groups;
60     std::vector<std::string> group_data;
61     base::SplitString(test_cases[i].active_group_pairs, '#', &group_data);
62     ASSERT_EQ(0U, group_data.size() % 2);
63     for (size_t j = 0; j < group_data.size(); j += 2) {
64       base::FieldTrial::ActiveGroup group;
65       group.trial_name = group_data[j];
66       group.group_name = group_data[j + 1];
67       groups.push_back(group);
68     }
69
70     // Parse the expected output.
71     std::vector<std::string> expected_ids_list;
72     base::SplitString(test_cases[i].expected_ids, '#', &expected_ids_list);
73
74     std::string experiment_labels_string = base::UTF16ToUTF8(
75         BuildGoogleUpdateExperimentLabel(groups));
76
77     // Split the VariationIDs from the labels for verification below.
78     std::vector<std::string> split_labels;
79     std::set<std::string> parsed_ids;
80     base::SplitString(experiment_labels_string, ';', &split_labels);
81     for (std::vector<std::string>::const_iterator it = split_labels.begin();
82          it != split_labels.end(); ++it) {
83       // The ID is precisely between the '=' and '|' characters in each label.
84       size_t index_of_equals = it->find('=');
85       size_t index_of_pipe = it->find('|');
86       ASSERT_NE(std::string::npos, index_of_equals);
87       ASSERT_NE(std::string::npos, index_of_pipe);
88       ASSERT_GT(index_of_pipe, index_of_equals);
89       parsed_ids.insert(it->substr(index_of_equals + 1,
90                                    index_of_pipe - index_of_equals - 1));
91     }
92
93     // Verify that the resulting string contains each of the expected labels,
94     // and nothing more. Note that the date is stripped out and ignored.
95     for (std::vector<std::string>::const_iterator it =
96              expected_ids_list.begin(); it != expected_ids_list.end(); ++it) {
97       std::set<std::string>::iterator it2 = parsed_ids.find(*it);
98       EXPECT_TRUE(parsed_ids.end() != it2);
99       parsed_ids.erase(it2);
100     }
101     EXPECT_TRUE(parsed_ids.empty());
102   }  // for
103 }
104
105 TEST(ExperimentLabelsTest, CombineExperimentLabels) {
106   struct {
107     const char* variations_labels;
108     const char* other_labels;
109     const char* expected_label;
110   } test_cases[] = {
111     {"A=B|Tue, 21 Jan 2014 15:30:21 GMT",
112      "C=D|Tue, 21 Jan 2014 15:30:21 GMT",
113      "C=D|Tue, 21 Jan 2014 15:30:21 GMT;A=B|Tue, 21 Jan 2014 15:30:21 GMT"},
114     {"A=B|Tue, 21 Jan 2014 15:30:21 GMT",
115      "",
116      "A=B|Tue, 21 Jan 2014 15:30:21 GMT"},
117     {"",
118      "A=B|Tue, 21 Jan 2014 15:30:21 GMT",
119      "A=B|Tue, 21 Jan 2014 15:30:21 GMT"},
120     {"A=B|Tue, 21 Jan 2014 15:30:21 GMT;C=D|Tue, 21 Jan 2014 15:30:21 GMT",
121      "P=Q|Tue, 21 Jan 2014 15:30:21 GMT;X=Y|Tue, 21 Jan 2014 15:30:21 GMT",
122      "P=Q|Tue, 21 Jan 2014 15:30:21 GMT;X=Y|Tue, 21 Jan 2014 15:30:21 GMT;"
123      "A=B|Tue, 21 Jan 2014 15:30:21 GMT;C=D|Tue, 21 Jan 2014 15:30:21 GMT"},
124     {"",
125      "",
126      ""},
127   };
128
129   for (size_t i = 0; i < arraysize(test_cases); ++i) {
130     std::string result = base::UTF16ToUTF8(CombineExperimentLabels(
131         base::ASCIIToUTF16(test_cases[i].variations_labels),
132         base::ASCIIToUTF16(test_cases[i].other_labels)));
133     EXPECT_EQ(test_cases[i].expected_label, result);
134   }
135 }
136
137 TEST(ExperimentLabelsTest, ExtractNonVariationLabels) {
138   struct {
139     const char* input_label;
140     const char* expected_output;
141   } test_cases[] = {
142     // Empty
143     {"", ""},
144     // One
145     {"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT",
146      "gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
147     // Three
148     {"CrVar1=123|Tue, 21 Jan 2014 15:30:21 GMT;"
149      "experiment1=456|Tue, 21 Jan 2014 15:30:21 GMT;"
150      "experiment2=789|Tue, 21 Jan 2014 15:30:21 GMT;"
151      "CrVar1=123|Tue, 21 Jan 2014 15:30:21 GMT",
152      "experiment1=456|Tue, 21 Jan 2014 15:30:21 GMT;"
153      "experiment2=789|Tue, 21 Jan 2014 15:30:21 GMT"},
154     // One and one Variation
155     {"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT;"
156      "CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT",
157      "gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
158     // One and one Variation, flipped
159     {"CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT;"
160      "gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT",
161      "gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
162     // Sandwiched
163     {"CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT;"
164      "gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT;"
165      "CrVar2=3310003|Tue, 21 Jan 2014 15:30:21 GMT;"
166      "CrVar3=3310004|Tue, 21 Jan 2014 15:30:21 GMT",
167      "gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
168     // Only Variations
169     {"CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT;"
170      "CrVar2=3310003|Tue, 21 Jan 2014 15:30:21 GMT;"
171      "CrVar3=3310004|Tue, 21 Jan 2014 15:30:21 GMT",
172      ""},
173     // Empty values
174     {"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT;"
175      "CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT",
176      "gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
177     // Trailing semicolon
178     {"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT;"
179      "CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT;",  // Note the semi here.
180      "gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
181     // Semis
182     {";;;;", ""},
183   };
184
185   for (size_t i = 0; i < arraysize(test_cases); ++i) {
186     std::string non_variation_labels = base::UTF16ToUTF8(
187         ExtractNonVariationLabels(
188             base::ASCIIToUTF16(test_cases[i].input_label)));
189     EXPECT_EQ(test_cases[i].expected_output, non_variation_labels);
190   }
191 }
192
193 }  // namespace chrome_variations