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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_DATA_DRIVEN_TEST_H_
#define COMPONENTS_AUTOFILL_CORE_BROWSER_DATA_DRIVEN_TEST_H_
#include <string>
#include "base/files/file_path.h"
#include "base/macros.h"
#include "base/strings/string16.h"
namespace autofill {
// 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 ouptut is
// compared to this gold output.
class DataDrivenTest {
public:
// 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);
// 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
// ../autofill/|test_name|/input and ../autofill/|test_name|/output.
base::FilePath GetInputDirectory(const base::FilePath::StringType& test_name);
base::FilePath GetOutputDirectory(
const base::FilePath::StringType& test_name);
protected:
DataDrivenTest(const base::FilePath& test_data_directory);
virtual ~DataDrivenTest();
private:
base::FilePath test_data_directory_;
DISALLOW_COPY_AND_ASSIGN(DataDrivenTest);
};
} // namespace autofill
#endif // COMPONENTS_AUTOFILL_CORE_BROWSER_DATA_DRIVEN_TEST_H_
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