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1 // Copyright (c) 2011 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_BROWSER_DATA_DRIVEN_TEST_H_ | |
6 #define COMPONENTS_AUTOFILL_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(); | |
46 virtual ~DataDrivenTest(); | |
47 | |
48 private: | |
49 DISALLOW_COPY_AND_ASSIGN(DataDrivenTest); | |
50 }; | |
51 | |
52 } // namespace autofill | |
53 | |
54 #endif // COMPONENTS_AUTOFILL_BROWSER_DATA_DRIVEN_TEST_H_ | |
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