66 lines
2.6 KiB
C++
66 lines
2.6 KiB
C++
// Copyright 2013 The Chromium Authors
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef TESTING_DATA_DRIVEN_TESTING_DATA_DRIVEN_TEST_H_
|
|
#define TESTING_DATA_DRIVEN_TESTING_DATA_DRIVEN_TEST_H_
|
|
|
|
#include <string>
|
|
|
|
#include "base/files/file_path.h"
|
|
|
|
namespace testing {
|
|
|
|
// A convenience class for implementing data-driven tests. Subclassers need only
|
|
// implement the conversion of serialized input data to serialized output data
|
|
// and provide a set of input files. For each input file, on the first run, a
|
|
// gold output file is generated; for subsequent runs, the test output is
|
|
// compared to this gold output.
|
|
class DataDrivenTest {
|
|
public:
|
|
DataDrivenTest(const DataDrivenTest&) = delete;
|
|
DataDrivenTest& operator=(const DataDrivenTest&) = delete;
|
|
|
|
// For each file in |input_directory| whose filename matches
|
|
// |file_name_pattern|, slurps in the file contents and calls into
|
|
// |GenerateResults()|. If the corresponding output file already exists in
|
|
// the |output_directory|, verifies that the results match the file contents;
|
|
// otherwise, writes a gold result file to the |output_directory|.
|
|
void RunDataDrivenTest(const base::FilePath& input_directory,
|
|
const base::FilePath& output_directory,
|
|
const base::FilePath::StringType& file_name_pattern);
|
|
|
|
// As above, but runs a test for a single file, the full path of which is
|
|
// given by |test_file_name|.
|
|
void RunOneDataDrivenTest(const base::FilePath& test_file_name,
|
|
const base::FilePath& output_directory,
|
|
bool is_expected_to_pass);
|
|
|
|
// Given the |input| data, generates the |output| results. The output results
|
|
// must be stable across runs.
|
|
// Note: The return type is |void| so that googletest |ASSERT_*| macros will
|
|
// compile.
|
|
virtual void GenerateResults(const std::string& input,
|
|
std::string* output) = 0;
|
|
|
|
// Return |base::FilePath|s to the test input and output subdirectories
|
|
// ../|feature_dir|/|test_name|/input and ../|feature_dir|/|test_name|/output.
|
|
base::FilePath GetInputDirectory();
|
|
base::FilePath GetOutputDirectory();
|
|
|
|
protected:
|
|
DataDrivenTest(const base::FilePath& test_data_directory,
|
|
const base::FilePath::StringType& feature_name,
|
|
const base::FilePath::StringType& test_name);
|
|
virtual ~DataDrivenTest();
|
|
|
|
private:
|
|
base::FilePath test_data_directory_;
|
|
base::FilePath::StringType feature_directory_;
|
|
base::FilePath::StringType test_name_;
|
|
};
|
|
|
|
} // namespace testing
|
|
|
|
#endif // TESTING_DATA_DRIVEN_TESTING_DATA_DRIVEN_TEST_H_
|