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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 "base/test/gtest_util.h"
      6 
      7 #include <stddef.h>
      8 
      9 #include <memory>
     10 
     11 #include "base/files/file_path.h"
     12 #include "base/json/json_file_value_serializer.h"
     13 #include "base/strings/string_util.h"
     14 #include "base/values.h"
     15 #include "testing/gtest/include/gtest/gtest.h"
     16 
     17 namespace base {
     18 
     19 TestIdentifier::TestIdentifier() {
     20 }
     21 
     22 TestIdentifier::TestIdentifier(const TestIdentifier& other) = default;
     23 
     24 std::string FormatFullTestName(const std::string& test_case_name,
     25                                const std::string& test_name) {
     26   return test_case_name + "." + test_name;
     27 }
     28 
     29 std::string TestNameWithoutDisabledPrefix(const std::string& full_test_name) {
     30   std::string test_name_no_disabled(full_test_name);
     31   ReplaceSubstringsAfterOffset(&test_name_no_disabled, 0, "DISABLED_", "");
     32   return test_name_no_disabled;
     33 }
     34 
     35 std::vector<TestIdentifier> GetCompiledInTests() {
     36   testing::UnitTest* const unit_test = testing::UnitTest::GetInstance();
     37 
     38   std::vector<TestIdentifier> tests;
     39   for (int i = 0; i < unit_test->total_test_case_count(); ++i) {
     40     const testing::TestCase* test_case = unit_test->GetTestCase(i);
     41     for (int j = 0; j < test_case->total_test_count(); ++j) {
     42       const testing::TestInfo* test_info = test_case->GetTestInfo(j);
     43       TestIdentifier test_data;
     44       test_data.test_case_name = test_case->name();
     45       test_data.test_name = test_info->name();
     46       test_data.file = test_info->file();
     47       test_data.line = test_info->line();
     48       tests.push_back(test_data);
     49     }
     50   }
     51   return tests;
     52 }
     53 
     54 bool WriteCompiledInTestsToFile(const FilePath& path) {
     55   std::vector<TestIdentifier> tests(GetCompiledInTests());
     56 
     57   ListValue root;
     58   for (size_t i = 0; i < tests.size(); ++i) {
     59     std::unique_ptr<DictionaryValue> test_info(new DictionaryValue);
     60     test_info->SetString("test_case_name", tests[i].test_case_name);
     61     test_info->SetString("test_name", tests[i].test_name);
     62     test_info->SetString("file", tests[i].file);
     63     test_info->SetInteger("line", tests[i].line);
     64     root.Append(std::move(test_info));
     65   }
     66 
     67   JSONFileValueSerializer serializer(path);
     68   return serializer.Serialize(root);
     69 }
     70 
     71 bool ReadTestNamesFromFile(const FilePath& path,
     72                            std::vector<TestIdentifier>* output) {
     73   JSONFileValueDeserializer deserializer(path);
     74   int error_code = 0;
     75   std::string error_message;
     76   std::unique_ptr<base::Value> value =
     77       deserializer.Deserialize(&error_code, &error_message);
     78   if (!value.get())
     79     return false;
     80 
     81   base::ListValue* tests = nullptr;
     82   if (!value->GetAsList(&tests))
     83     return false;
     84 
     85   std::vector<base::TestIdentifier> result;
     86   for (base::ListValue::iterator i = tests->begin(); i != tests->end(); ++i) {
     87     base::DictionaryValue* test = nullptr;
     88     if (!(*i)->GetAsDictionary(&test))
     89       return false;
     90 
     91     TestIdentifier test_data;
     92 
     93     if (!test->GetStringASCII("test_case_name", &test_data.test_case_name))
     94       return false;
     95 
     96     if (!test->GetStringASCII("test_name", &test_data.test_name))
     97       return false;
     98 
     99     if (!test->GetStringASCII("file", &test_data.file))
    100       return false;
    101 
    102     if (!test->GetInteger("line", &test_data.line))
    103       return false;
    104 
    105     result.push_back(test_data);
    106   }
    107 
    108   output->swap(result);
    109   return true;
    110 }
    111 
    112 }  // namespace base
    113