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// Protocol Buffers - Google's data interchange format
// Copyright 2008 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.
// 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 <memory>
#include <google/protobuf/compiler/cpp/cpp_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/file.h>
#include <google/protobuf/testing/file.h>
#include <google/protobuf/testing/googletest.h>
#include <gtest/gtest.h>
namespace google {
namespace protobuf {
namespace compiler {
namespace cpp {
namespace {
class TestGenerator : public CodeGenerator {
public:
TestGenerator() {}
~TestGenerator() {}
virtual bool Generate(const FileDescriptor* file,
const string& parameter,
GeneratorContext* context,
string* error) const {
TryInsert("test.pb.h", "includes", context);
TryInsert("test.pb.h", "namespace_scope", context);
TryInsert("test.pb.h", "global_scope", context);
TryInsert("test.pb.h", "class_scope:foo.Bar", context);
TryInsert("test.pb.h", "class_scope:foo.Bar.Baz", context);
TryInsert("test.pb.cc", "includes", context);
TryInsert("test.pb.cc", "namespace_scope", context);
TryInsert("test.pb.cc", "global_scope", context);
// Check field accessors for an optional int32:
TryInsert("test.pb.h", "field_get:foo.Bar.optInt", context);
TryInsert("test.pb.h", "field_set:foo.Bar.optInt", context);
// Check field accessors for a repeated int32:
TryInsert("test.pb.h", "field_get:foo.Bar.repeatedInt", context);
TryInsert("test.pb.h", "field_set:foo.Bar.repeatedInt", context);
// Check field accessors for a required string:
TryInsert("test.pb.h", "field_get:foo.Bar.requiredString", context);
TryInsert("test.pb.h", "field_set:foo.Bar.requiredString", context);
TryInsert("test.pb.h", "field_set_char:foo.Bar.requiredString", context);
TryInsert("test.pb.h", "field_set_pointer:foo.Bar.requiredString", context);
TryInsert("test.pb.h", "field_mutable:foo.Bar.requiredString", context);
TryInsert("test.pb.h", "field_set_allocated:foo.Bar.requiredString",
context);
TryInsert("test.pb.h", "field_set_char:foo.Bar.requiredString", context);
TryInsert("test.pb.h", "field_set_pointer:foo.Bar.requiredString", context);
// Check field accessors for a repeated string:
TryInsert("test.pb.h", "field_get:foo.Bar.repeatedString", context);
TryInsert("test.pb.h", "field_set:foo.Bar.repeatedString", context);
TryInsert("test.pb.h", "field_set_char:foo.Bar.repeatedString", context);
TryInsert("test.pb.h", "field_set_pointer:foo.Bar.repeatedString", context);
TryInsert("test.pb.h", "field_mutable:foo.Bar.repeatedString", context);
TryInsert("test.pb.h", "field_set_char:foo.Bar.repeatedString", context);
TryInsert("test.pb.h", "field_set_pointer:foo.Bar.repeatedString", context);
// Check field accessors for an int inside oneof{}:
TryInsert("test.pb.h", "field_get:foo.Bar.oneOfInt", context);
TryInsert("test.pb.h", "field_set:foo.Bar.oneOfInt", context);
// Check field accessors for a string inside oneof{}:
TryInsert("test.pb.h", "field_get:foo.Bar.oneOfString", context);
TryInsert("test.pb.h", "field_set:foo.Bar.oneOfString", context);
TryInsert("test.pb.h", "field_set_char:foo.Bar.oneOfString", context);
TryInsert("test.pb.h", "field_set_pointer:foo.Bar.oneOfString", context);
TryInsert("test.pb.h", "field_mutable:foo.Bar.oneOfString", context);
TryInsert("test.pb.h", "field_set_allocated:foo.Bar.oneOfString", context);
TryInsert("test.pb.h", "field_set_char:foo.Bar.oneOfString", context);
TryInsert("test.pb.h", "field_set_pointer:foo.Bar.oneOfString", context);
// Check field accessors for an optional message:
TryInsert("test.pb.h", "field_get:foo.Bar.optMessage", context);
TryInsert("test.pb.h", "field_mutable:foo.Bar.optMessage", context);
TryInsert("test.pb.h", "field_set_allocated:foo.Bar.optMessage", context);
// Check field accessors for a repeated message:
TryInsert("test.pb.h", "field_add:foo.Bar.repeatedMessage", context);
TryInsert("test.pb.h", "field_get:foo.Bar.repeatedMessage", context);
TryInsert("test.pb.h", "field_list:foo.Bar.repeatedMessage", context);
TryInsert("test.pb.h", "field_mutable:foo.Bar.repeatedMessage", context);
TryInsert("test.pb.h", "field_mutable_list:foo.Bar.repeatedMessage",
context);
// Check field accessors for a message inside oneof{}:
TryInsert("test.pb.h", "field_get:foo.Bar.oneOfMessage", context);
TryInsert("test.pb.h", "field_mutable:foo.Bar.oneOfMessage", context);
TryInsert("test.pb.cc", "field_set_allocated:foo.Bar.oneOfMessage", context);
// Check field accessors for an optional enum:
TryInsert("test.pb.h", "field_get:foo.Bar.optEnum", context);
TryInsert("test.pb.h", "field_set:foo.Bar.optEnum", context);
// Check field accessors for a repeated enum:
TryInsert("test.pb.h", "field_get:foo.Bar.repeatedEnum", context);
TryInsert("test.pb.h", "field_set:foo.Bar.repeatedEnum", context);
TryInsert("test.pb.h", "field_add:foo.Bar.repeatedEnum", context);
TryInsert("test.pb.h", "field_list:foo.Bar.repeatedEnum", context);
TryInsert("test.pb.h", "field_mutable_list:foo.Bar.repeatedEnum", context);
// Check field accessors for an enum inside oneof{}:
TryInsert("test.pb.h", "field_get:foo.Bar.oneOfEnum", context);
TryInsert("test.pb.h", "field_set:foo.Bar.oneOfEnum", context);
// Check field accessors for a required cord:
TryInsert("test.pb.h", "field_get:foo.Bar.requiredCord", context);
TryInsert("test.pb.h", "field_set:foo.Bar.requiredCord", context);
TryInsert("test.pb.h", "field_mutable:foo.Bar.requiredCord", context);
// Check field accessors for a repeated cord:
TryInsert("test.pb.h", "field_get:foo.Bar.repeatedCord", context);
TryInsert("test.pb.h", "field_set:foo.Bar.repeatedCord", context);
TryInsert("test.pb.h", "field_add:foo.Bar.repeatedCord", context);
TryInsert("test.pb.h", "field_list:foo.Bar.repeatedCord", context);
TryInsert("test.pb.h", "field_mutable:foo.Bar.repeatedCord", context);
TryInsert("test.pb.h", "field_mutable_list:foo.Bar.repeatedCord", context);
// Check field accessors for a cord inside oneof{}:
TryInsert("test.pb.h", "field_get:foo.Bar.oneOfCord", context);
TryInsert("test.pb.h", "field_set:foo.Bar.oneOfCord", context);
TryInsert("test.pb.h", "field_mutable:foo.Bar.oneOfCord", context);
return true;
}
void TryInsert(const string& filename, const string& insertion_point,
GeneratorContext* context) const {
std::unique_ptr<io::ZeroCopyOutputStream> output(
context->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(CppPluginTest, PluginTest) {
GOOGLE_CHECK_OK(File::SetContents(TestTempDir() + "/test.proto",
"syntax = \"proto2\";\n"
"package foo;\n"
"\n"
"enum Thud { VALUE = 0; }\n"
"\n"
"message Bar {\n"
" message Baz {}\n"
" optional int32 optInt = 1;\n"
" repeated int32 repeatedInt = 2;\n"
"\n"
" required string requiredString = 3;\n"
" repeated string repeatedString = 4;\n"
"\n"
" optional Baz optMessage = 6;\n"
" repeated Baz repeatedMessage = 7;\n"
"\n"
" optional Thud optEnum = 8;\n"
" repeated Thud repeatedEnum = 9;\n"
"\n"
" required string requiredCord = 10 [\n"
" ctype = CORD\n"
" ];\n"
" repeated string repeatedCord = 11 [\n"
" ctype = CORD\n"
" ];\n"
"\n"
" oneof Qux {\n"
" int64 oneOfInt = 20;\n"
" string oneOfString = 21;\n"
" Baz oneOfMessage = 22;\n"
" Thud oneOfEnum = 23;"
" string oneOfCord = 24 [\n"
" ctype = CORD\n"
" ];\n"
" }\n"
"}\n",
true));
CommandLineInterface cli;
cli.SetInputsAreProtoPathRelative(true);
CppGenerator cpp_generator;
TestGenerator test_generator;
cli.RegisterGenerator("--cpp_out", &cpp_generator, "");
cli.RegisterGenerator("--test_out", &test_generator, "");
string proto_path = "-I" + TestTempDir();
string cpp_out = "--cpp_out=" + TestTempDir();
string test_out = "--test_out=" + TestTempDir();
const char* argv[] = {
"protoc",
proto_path.c_str(),
cpp_out.c_str(),
test_out.c_str(),
"test.proto"
};
EXPECT_EQ(0, cli.Run(5, argv));
}
} // namespace
} // namespace cpp
} // namespace compiler
} // namespace protobuf
} // namespace google
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