1 // Copyright 2013 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 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_DATA_DRIVEN_TEST_H_ 6 #define COMPONENTS_AUTOFILL_CORE_BROWSER_DATA_DRIVEN_TEST_H_ 7 8 #include <string> 9 10 #include "base/files/file_path.h" 11 #include "base/strings/string16.h" 12 13 namespace autofill { 14 15 // A convenience class for implementing data-driven tests. Subclassers need only 16 // implement the conversion of serialized input data to serialized output data 17 // and provide a set of input files. For each input file, on the first run, a 18 // gold output file is generated; for subsequent runs, the test ouptut is 19 // compared to this gold output. 20 class DataDrivenTest { 21 public: 22 // For each file in |input_directory| whose filename matches 23 // |file_name_pattern|, slurps in the file contents and calls into 24 // |GenerateResults()|. If the corresponding output file already exists in 25 // the |output_directory|, verifies that the results match the file contents; 26 // otherwise, writes a gold result file to the |output_directory|. 27 void RunDataDrivenTest(const base::FilePath& input_directory, 28 const base::FilePath& output_directory, 29 const base::FilePath::StringType& file_name_pattern); 30 31 // Given the |input| data, generates the |output| results. The output results 32 // must be stable across runs. 33 // Note: The return type is |void| so that googletest |ASSERT_*| macros will 34 // compile. 35 virtual void GenerateResults(const std::string& input, 36 std::string* output) = 0; 37 38 // Return |base::FilePath|s to the test input and output subdirectories 39 // ../autofill/|test_name|/input and ../autofill/|test_name|/output. 40 base::FilePath GetInputDirectory(const base::FilePath::StringType& test_name); 41 base::FilePath GetOutputDirectory( 42 const base::FilePath::StringType& test_name); 43 44 protected: 45 DataDrivenTest(const base::FilePath& test_data_directory); 46 virtual ~DataDrivenTest(); 47 48 private: 49 base::FilePath test_data_directory_; 50 51 DISALLOW_COPY_AND_ASSIGN(DataDrivenTest); 52 }; 53 54 } // namespace autofill 55 56 #endif // COMPONENTS_AUTOFILL_CORE_BROWSER_DATA_DRIVEN_TEST_H_ 57