| // Protocol Buffers - Google's data interchange format |
| // Copyright 2014 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <memory> |
| |
| #include <google/protobuf/compiler/ruby/ruby_generator.h> |
| #include <google/protobuf/compiler/command_line_interface.h> |
| #include <google/protobuf/io/zero_copy_stream.h> |
| #include <google/protobuf/io/printer.h> |
| |
| #include <google/protobuf/testing/googletest.h> |
| #include <gtest/gtest.h> |
| #include <google/protobuf/testing/file.h> |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace ruby { |
| namespace { |
| |
| string FindRubyTestDir(const string& file) { |
| // Inspired by TestSourceDir() in src/google/protobuf/testing/googletest.cc. |
| #ifndef GOOGLE_THIRD_PARTY_PROTOBUF |
| string prefix = "."; |
| while (!File::Exists(prefix + "/src/google/protobuf/compiler/ruby" + file)) { |
| if (!File::Exists(prefix)) { |
| GOOGLE_LOG(FATAL) |
| << "Could not find Ruby test directory. Please run tests from " |
| "somewhere within the protobuf source package."; |
| } |
| prefix += "/.."; |
| } |
| return prefix + "/src/google/protobuf/compiler/ruby"; |
| #else |
| return "third_party/protobuf/src/google/protobuf/compiler/ruby"; |
| #endif // GOOGLE_THIRD_PARTY_PROTOBUF |
| } |
| |
| // This test is a simple golden-file test over the output of the Ruby code |
| // generator. When we make changes to the Ruby extension and alter the Ruby code |
| // generator to use those changes, we should (i) manually test the output of the |
| // code generator with the extension, and (ii) update the golden output above. |
| // Some day, we may integrate build systems between protoc and the language |
| // extensions to the point where we can do this test in a more automated way. |
| |
| TEST(RubyGeneratorTest, GeneratorTest) { |
| string ruby_tests = FindRubyTestDir("/ruby_generated_code.proto"); |
| |
| google::protobuf::compiler::CommandLineInterface cli; |
| cli.SetInputsAreProtoPathRelative(true); |
| |
| ruby::Generator ruby_generator; |
| cli.RegisterGenerator("--ruby_out", &ruby_generator, ""); |
| |
| // Copy generated_code.proto to the temporary test directory. |
| string test_input; |
| GOOGLE_CHECK_OK(File::GetContents( |
| ruby_tests + "/ruby_generated_code.proto", |
| &test_input, |
| true)); |
| GOOGLE_CHECK_OK(File::SetContents( |
| TestTempDir() + "/ruby_generated_code.proto", |
| test_input, |
| true)); |
| |
| // Invoke the proto compiler (we will be inside TestTempDir() at this point). |
| string ruby_out = "--ruby_out=" + TestTempDir(); |
| string proto_path = "--proto_path=" + TestTempDir(); |
| const char* argv[] = { |
| "protoc", |
| ruby_out.c_str(), |
| proto_path.c_str(), |
| "ruby_generated_code.proto", |
| }; |
| |
| EXPECT_EQ(0, cli.Run(4, argv)); |
| |
| // Load the generated output and compare to the expected result. |
| string output; |
| GOOGLE_CHECK_OK(File::GetContents( |
| TestTempDir() + "/ruby_generated_code.rb", |
| &output, |
| true)); |
| string expected_output; |
| GOOGLE_CHECK_OK(File::GetContents( |
| ruby_tests + "/ruby_generated_code.rb", |
| &expected_output, |
| true)); |
| EXPECT_EQ(expected_output, output); |
| } |
| |
| } // namespace |
| } // namespace ruby |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |