ReadDirectory() added in webrtc/test/testsupport/fileutils.h

webrtc/test/testsupport/fileutils_unittest.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/test/testsupport/fileutils.h"
 
 #include <stdio.h>
 
+#include <fstream>
+#include <iostream>
 #include <list>
 #include <string>
 
+#include "webrtc/base/pathutils.h"
 #include "webrtc/test/gtest.h"
 
 #ifdef WIN32
 #define chdir _chdir
 static const char* kPathDelimiter = "\\";
 #else
 static const char* kPathDelimiter = "/";
 #endif
 
-static const std::string kResourcesDir = "resources";
-static const std::string kTestName = "fileutils_unittest";
-static const std::string kExtension = "tmp";
+static const char kTestName[] = "fileutils_unittest";
+static const char kExtension[] = "tmp";
 
 namespace webrtc {
+namespace test {
+
+namespace {
+
+void WriteStringInFile(const std::string& what, const std::string& file_path) {

[kjellander_webrtc, 2017/05/22 18:22:20]

what -> contents?

[AleBzk, 2017/05/23 11:10:10]

Acknowledged.

+  std::ofstream out(file_path);
+  out << what;
+  out.close();
+}
+
+}  // namespace
 
 // Test fixture to restore the working directory between each test, since some
 // of them change it with chdir during execution (not restored by the
 // gtest framework).
 class FileUtilsTest : public testing::Test {
  protected:
   FileUtilsTest() {
   }
   ~FileUtilsTest() override {}
   // Runs before the first test
@@ skipping 121 matching lines @@
   // Check that an existing file is not recognized as an existing directory.
   std::string temp_filename = webrtc::test::TempFilename(
       webrtc::test::OutputPath(), "TempFilenameTest");
   ASSERT_TRUE(webrtc::test::FileExists(temp_filename))
       << "Couldn't find file: " << temp_filename;
   ASSERT_FALSE(webrtc::test::DirExists(temp_filename))
       << "Existing file recognized as existing directory";
   remove(temp_filename.c_str());
 }
 
+TEST_F(FileUtilsTest, RemoveDirRecursively) {
+  rtc::Pathname temp_directory(OutputPath());
+  temp_directory.AppendFolder("TempFileUtilsTestRemoveDirRecursively");
+  EXPECT_TRUE(CreateDir(temp_directory.pathname()));
+
+  // Add a file.
+  std::string temp_filename1 = TempFilename(
+      temp_directory.pathname(), "TempFilenameTest");
+  WriteStringInFile("test", temp_filename1);
+
+  // Add a non-empty directory.
+  rtc::Pathname temp_subdir(temp_directory.pathname());
+  temp_subdir.AppendFolder("subdir");
+  EXPECT_TRUE(CreateDir(temp_subdir.pathname()));
+  std::string temp_filename2 = TempFilename(
+      temp_subdir.pathname(), "TempFilenameTestInSubDir");
+  WriteStringInFile("test", temp_filename2);
+
+  EXPECT_EQ(4u, RemoveDirRecursively(temp_directory));
+  EXPECT_FALSE(DirExists(temp_directory.pathname()));
+}
+
+}  // namespace test
 }  // namespace webrtc