data_driven_test.cc revision ca12bfac764ba476d6cd062bf1dde12cc64c3f40 
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#include "components/autofill/core/browser/data_driven_test.h"
6
7#include "base/file_util.h"
8#include "base/files/file_enumerator.h"
9#include "base/strings/string_util.h"
10#include "testing/gtest/include/gtest/gtest.h"
11
12namespace autofill {
13namespace {
14
15// Reads |file| into |content|, and converts Windows line-endings to Unix ones.
16// Returns true on success.
17bool ReadFile(const base::FilePath& file, std::string* content) {
18  if (!file_util::ReadFileToString(file, content))
19    return false;
20
21  ReplaceSubstringsAfterOffset(content, 0, "\r\n", "\n");
22  return true;
23}
24
25// Write |content| to |file|. Returns true on success.
26bool WriteFile(const base::FilePath& file, const std::string& content) {
27  int write_size = file_util::WriteFile(file, content.c_str(),
28                                        static_cast<int>(content.length()));
29  return write_size == static_cast<int>(content.length());
30}
31
32}  // namespace
33
34void DataDrivenTest::RunDataDrivenTest(
35    const base::FilePath& input_directory,
36    const base::FilePath& output_directory,
37    const base::FilePath::StringType& file_name_pattern) {
38  ASSERT_TRUE(base::DirectoryExists(input_directory));
39  ASSERT_TRUE(base::DirectoryExists(output_directory));
40  base::FileEnumerator input_files(input_directory,
41                                   false,
42                                   base::FileEnumerator::FILES,
43                                   file_name_pattern);
44
45  for (base::FilePath input_file = input_files.Next();
46       !input_file.empty();
47       input_file = input_files.Next()) {
48    SCOPED_TRACE(input_file.BaseName().value());
49
50    std::string input;
51    ASSERT_TRUE(ReadFile(input_file, &input));
52
53    std::string output;
54    GenerateResults(input, &output);
55
56    base::FilePath output_file = output_directory.Append(
57        input_file.BaseName().StripTrailingSeparators().ReplaceExtension(
58            FILE_PATH_LITERAL(".out")));
59
60    std::string output_file_contents;
61    if (ReadFile(output_file, &output_file_contents))
62      EXPECT_EQ(output_file_contents, output);
63    else
64      ASSERT_TRUE(WriteFile(output_file, output));
65  }
66}
67
68base::FilePath DataDrivenTest::GetInputDirectory(
69    const base::FilePath::StringType& test_name) {
70  base::FilePath dir;
71  dir = test_data_directory_.AppendASCII("autofill")
72                            .Append(test_name)
73                            .AppendASCII("input");
74  return dir;
75}
76
77base::FilePath DataDrivenTest::GetOutputDirectory(
78    const base::FilePath::StringType& test_name) {
79  base::FilePath dir;
80  dir = test_data_directory_.AppendASCII("autofill")
81                            .Append(test_name)
82                            .AppendASCII("output");
83  return dir;
84}
85
86DataDrivenTest::DataDrivenTest(const base::FilePath& test_data_directory)
87    : test_data_directory_(test_data_directory) {
88}
89
90DataDrivenTest::~DataDrivenTest() {
91}
92
93}  // namespace autofill
94