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// 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() {
return TestSourceDir() + "/google/protobuf/compiler/ruby";
}
// 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();
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_pb.rb",
&output,
true));
string expected_output;
GOOGLE_CHECK_OK(File::GetContents(
ruby_tests + "/ruby_generated_code_pb.rb",
&expected_output,
true));
EXPECT_EQ(expected_output, output);
}
} // namespace
} // namespace ruby
} // namespace compiler
} // namespace protobuf
} // namespace google
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