1 /* 2 * Copyright (C) 2015, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef AIDL_TESTS_FAKE_IO_DELEGATE_H_ 18 #define AIDL_TESTS_FAKE_IO_DELEGATE_H_ 19 20 #include <android-base/macros.h> 21 22 #include <map> 23 #include <memory> 24 #include <set> 25 #include <string> 26 #include <vector> 27 28 #include "io_delegate.h" 29 30 namespace android { 31 namespace aidl { 32 namespace test { 33 34 class FakeIoDelegate : public IoDelegate { 35 public: 36 FakeIoDelegate() = default; 37 virtual ~FakeIoDelegate() = default; 38 39 // Overrides from the real IoDelegate 40 std::unique_ptr<std::string> GetFileContents( 41 const std::string& filename, 42 const std::string& append_content_suffix = "") const override; 43 std::unique_ptr<LineReader> GetLineReader( 44 const std::string& file_path) const override; 45 bool FileIsReadable(const std::string& path) const override; 46 bool CreatedNestedDirs( 47 const std::string& base_dir, 48 const std::vector<std::string>& nested_subdirs) const override; 49 std::unique_ptr<CodeWriter> GetCodeWriter( 50 const std::string& file_path) const override; 51 void RemovePath(const std::string& file_path) const override; 52 53 // Methods added to facilitate testing. 54 void SetFileContents(const std::string& filename, 55 const std::string& contents); 56 void AddStubParcelable(const std::string& canonical_name, 57 const std::string& cpp_header); 58 void AddStubInterface(const std::string& canonical_name); 59 void AddCompoundParcelable(const std::string& canonical_name, 60 const std::vector<std::string>& subclasses); 61 void AddBrokenFilePath(const std::string& path); 62 // Returns true iff we've previously written to |path|. 63 // When we return true, we'll set *contents to the written string. 64 bool GetWrittenContents(const std::string& path, std::string* content); 65 66 bool PathWasRemoved(const std::string& path); 67 68 private: 69 // Remove leading "./" from |path|. 70 std::string CleanPath(const std::string& path) const; 71 72 std::map<std::string, std::string> file_contents_; 73 // Normally, writing to files leaves the IoDelegate unchanged, so 74 // GetCodeWriter is a const method. However, for tests, we break this 75 // intentionally by storing the written strings. 76 mutable std::map<std::string, std::string> written_file_contents_; 77 78 // We normally just write to strings in |written_file_contents_| but for 79 // files in this list, we simulate I/O errors. 80 std::set<std::string> broken_files_; 81 mutable std::set<std::string> removed_files_; 82 83 DISALLOW_COPY_AND_ASSIGN(FakeIoDelegate); 84 }; // class FakeIoDelegate 85 86 } // namespace test 87 } // namespace android 88 } // namespace aidl 89 90 #endif // AIDL_TESTS_FAKE_IO_DELEGATE_H_ 91