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29
30// Utility class for creating a temporary directory for unit tests
31// that is deleted in the destructor.
32#ifndef GOOGLE_BREAKPAD_COMMON_TESTS_AUTO_TEMPDIR
33#define GOOGLE_BREAKPAD_COMMON_TESTS_AUTO_TEMPDIR
34
35#include <dirent.h>
36#include <sys/types.h>
37
38#include <string>
39
40#include "breakpad_googletest_includes.h"
41#include "common/using_std_string.h"
42
43#if !defined(__ANDROID__)
44#define TEMPDIR "/tmp"
45#else
46#define TEMPDIR "/data/local/tmp"
47#include "common/android/testing/mkdtemp.h"
48#endif
49
50namespace google_breakpad {
51
52class AutoTempDir {
53 public:
54  AutoTempDir() {
55    char temp_dir[] = TEMPDIR "/breakpad.XXXXXX";
56    EXPECT_TRUE(mkdtemp(temp_dir) != NULL);
57    path_.assign(temp_dir);
58  }
59
60  ~AutoTempDir() {
61    DeleteRecursively(path_);
62  }
63
64  const string& path() const {
65    return path_;
66  }
67
68 private:
69  void DeleteRecursively(const string& path) {
70    // First remove any files in the dir
71    DIR* dir = opendir(path.c_str());
72    if (!dir)
73      return;
74
75    dirent* entry;
76    while ((entry = readdir(dir)) != NULL) {
77      if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
78        continue;
79      string entry_path = path + "/" + entry->d_name;
80      struct stat stats;
81      EXPECT_TRUE(lstat(entry_path.c_str(), &stats) == 0);
82      if (S_ISDIR(stats.st_mode))
83        DeleteRecursively(entry_path);
84      else
85        EXPECT_TRUE(unlink(entry_path.c_str()) == 0);
86    }
87    EXPECT_TRUE(closedir(dir) == 0);
88    EXPECT_TRUE(rmdir(path.c_str()) == 0);
89  }
90
91  // prevent copy construction and assignment
92  AutoTempDir(const AutoTempDir&);
93  AutoTempDir& operator=(const AutoTempDir&);
94
95  string path_;
96};
97
98}  // namespace google_breakpad
99
100#endif  // GOOGLE_BREAKPAD_COMMON_TESTS_AUTO_TEMPDIR
101