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Diffstat (limited to 'src/google/protobuf/compiler/python/python_plugin_unittest.cc')
| -rw-r--r-- | src/google/protobuf/compiler/python/python_plugin_unittest.cc | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/python/python_plugin_unittest.cc b/src/google/protobuf/compiler/python/python_plugin_unittest.cc new file mode 100644 index 0000000..fde8876 --- /dev/null +++ b/src/google/protobuf/compiler/python/python_plugin_unittest.cc @@ -0,0 +1,116 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// http://code.google.com/p/protobuf/ +// +// 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. + +// Author: kenton@google.com (Kenton Varda) +// +// TODO(kenton): Share code with the versions of this test in other languages? +// It seemed like parameterizing it would add more complexity than it is +// worth. + +#include <google/protobuf/compiler/python/python_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 python { +namespace { + +class TestGenerator : public CodeGenerator { + public: + TestGenerator() {} + ~TestGenerator() {} + + virtual bool Generate(const FileDescriptor* file, + const string& parameter, + OutputDirectory* output_directory, + string* error) const { + TryInsert("test_pb2.py", "imports", output_directory); + TryInsert("test_pb2.py", "module_scope", output_directory); + TryInsert("test_pb2.py", "class_scope:foo.Bar", output_directory); + TryInsert("test_pb2.py", "class_scope:foo.Bar.Baz", output_directory); + return true; + } + + void TryInsert(const string& filename, const string& insertion_point, + OutputDirectory* output_directory) const { + scoped_ptr<io::ZeroCopyOutputStream> output( + output_directory->OpenForInsert(filename, insertion_point)); + io::Printer printer(output.get(), '$'); + printer.Print("// inserted $name$\n", "name", insertion_point); + } +}; + +// This test verifies that all the expected insertion points exist. It does +// not verify that they are correctly-placed; that would require actually +// compiling the output which is a bit more than I care to do for this test. +TEST(PythonPluginTest, PluginTest) { + File::WriteStringToFileOrDie( + "syntax = \"proto2\";\n" + "package foo;\n" + "message Bar {\n" + " message Baz {}\n" + "}\n", + TestTempDir() + "/test.proto"); + + google::protobuf::compiler::CommandLineInterface cli; + cli.SetInputsAreProtoPathRelative(true); + + python::Generator python_generator; + TestGenerator test_generator; + cli.RegisterGenerator("--python_out", &python_generator, ""); + cli.RegisterGenerator("--test_out", &test_generator, ""); + + string proto_path = "-I" + TestTempDir(); + string python_out = "--python_out=" + TestTempDir(); + string test_out = "--test_out=" + TestTempDir(); + + const char* argv[] = { + "protoc", + proto_path.c_str(), + python_out.c_str(), + test_out.c_str(), + "test.proto" + }; + + EXPECT_EQ(0, cli.Run(5, argv)); +} + +} // namespace +} // namespace python +} // namespace compiler +} // namespace protobuf +} // namespace google |