1 // Copyright (c) 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 #ifndef TOOLS_GN_TEST_WITH_SCOPE_H_ 6 #define TOOLS_GN_TEST_WITH_SCOPE_H_ 7 8 #include <vector> 9 10 #include "base/basictypes.h" 11 #include "tools/gn/build_settings.h" 12 #include "tools/gn/err.h" 13 #include "tools/gn/input_file.h" 14 #include "tools/gn/parse_tree.h" 15 #include "tools/gn/scope.h" 16 #include "tools/gn/settings.h" 17 #include "tools/gn/token.h" 18 #include "tools/gn/toolchain.h" 19 #include "tools/gn/value.h" 20 21 // A helper class for setting up a Scope that a test can use. It makes a 22 // toolchain and sets up all the build state. 23 class TestWithScope { 24 public: 25 TestWithScope(); 26 ~TestWithScope(); 27 build_settings()28 BuildSettings* build_settings() { return &build_settings_; } settings()29 Settings* settings() { return &settings_; } toolchain()30 Toolchain* toolchain() { return &toolchain_; } scope()31 Scope* scope() { return &scope_; } 32 33 // This buffer accumulates output from any print() commands executed in the 34 // context of this test. Note that the implementation of this is not 35 // threadsafe so don't write tests that call print from multiple threads. print_output()36 std::string& print_output() { return print_output_; } 37 38 private: 39 void AppendPrintOutput(const std::string& str); 40 41 BuildSettings build_settings_; 42 Settings settings_; 43 Toolchain toolchain_; 44 Scope scope_; 45 46 std::string print_output_; 47 48 DISALLOW_COPY_AND_ASSIGN(TestWithScope); 49 }; 50 51 // Helper class to treat some string input as a file. 52 // 53 // Instantiate it with the contents you want, be sure to check for error, and 54 // then you can execute the ParseNode or whatever. 55 class TestParseInput { 56 public: 57 TestParseInput(const std::string& input); 58 ~TestParseInput(); 59 60 // Indicates whether and what error occurred during tokenizing and parsing. has_error()61 bool has_error() const { return parse_err_.has_error(); } parse_err()62 const Err& parse_err() const { return parse_err_; } 63 input_file()64 const InputFile& input_file() const { return input_file_; } tokens()65 const std::vector<Token>& tokens() const { return tokens_; } parsed()66 const ParseNode* parsed() const { return parsed_.get(); } 67 68 private: 69 InputFile input_file_; 70 71 std::vector<Token> tokens_; 72 scoped_ptr<ParseNode> parsed_; 73 74 Err parse_err_; 75 76 DISALLOW_COPY_AND_ASSIGN(TestParseInput); 77 }; 78 79 #endif // TOOLS_GN_TEST_WITH_SCOPE_H_ 80