1// Protocol Buffers - Google's data interchange format
2// Copyright 2008 Google Inc.  All rights reserved.
3// http://code.google.com/p/protobuf/
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are
7// met:
8//
9//     * Redistributions of source code must retain the above copyright
10// notice, this list of conditions and the following disclaimer.
11//     * Redistributions in binary form must reproduce the above
12// copyright notice, this list of conditions and the following disclaimer
13// in the documentation and/or other materials provided with the
14// distribution.
15//     * Neither the name of Google Inc. nor the names of its
16// contributors may be used to endorse or promote products derived from
17// this software without specific prior written permission.
18//
19// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31// Author: kenton@google.com (Kenton Varda)
32//
33// TODO(kenton):  Share code with the versions of this test in other languages?
34//   It seemed like parameterizing it would add more complexity than it is
35//   worth.
36
37#include <google/protobuf/compiler/java/java_generator.h>
38#include <google/protobuf/compiler/command_line_interface.h>
39#include <google/protobuf/io/zero_copy_stream.h>
40#include <google/protobuf/io/printer.h>
41
42#include <google/protobuf/testing/googletest.h>
43#include <gtest/gtest.h>
44#include <google/protobuf/testing/file.h>
45
46namespace google {
47namespace protobuf {
48namespace compiler {
49namespace java {
50namespace {
51
52class TestGenerator : public CodeGenerator {
53 public:
54  TestGenerator() {}
55  ~TestGenerator() {}
56
57  virtual bool Generate(const FileDescriptor* file,
58                        const string& parameter,
59                        OutputDirectory* output_directory,
60                        string* error) const {
61    TryInsert("Test.java", "outer_class_scope", output_directory);
62    TryInsert("Test.java", "class_scope:foo.Bar", output_directory);
63    TryInsert("Test.java", "class_scope:foo.Bar.Baz", output_directory);
64    TryInsert("Test.java", "builder_scope:foo.Bar", output_directory);
65    TryInsert("Test.java", "builder_scope:foo.Bar.Baz", output_directory);
66    TryInsert("Test.java", "enum_scope:foo.Qux", output_directory);
67    return true;
68  }
69
70  void TryInsert(const string& filename, const string& insertion_point,
71                 OutputDirectory* output_directory) const {
72    scoped_ptr<io::ZeroCopyOutputStream> output(
73      output_directory->OpenForInsert(filename, insertion_point));
74    io::Printer printer(output.get(), '$');
75    printer.Print("// inserted $name$\n", "name", insertion_point);
76  }
77};
78
79// This test verifies that all the expected insertion points exist.  It does
80// not verify that they are correctly-placed; that would require actually
81// compiling the output which is a bit more than I care to do for this test.
82TEST(JavaPluginTest, PluginTest) {
83  File::WriteStringToFileOrDie(
84      "syntax = \"proto2\";\n"
85      "package foo;\n"
86      "option java_package = \"\";\n"
87      "option java_outer_classname = \"Test\";\n"
88      "message Bar {\n"
89      "  message Baz {}\n"
90      "}\n"
91      "enum Qux { BLAH = 1; }\n",
92      TestTempDir() + "/test.proto");
93
94  google::protobuf::compiler::CommandLineInterface cli;
95  cli.SetInputsAreProtoPathRelative(true);
96
97  JavaGenerator java_generator;
98  TestGenerator test_generator;
99  cli.RegisterGenerator("--java_out", &java_generator, "");
100  cli.RegisterGenerator("--test_out", &test_generator, "");
101
102  string proto_path = "-I" + TestTempDir();
103  string java_out = "--java_out=" + TestTempDir();
104  string test_out = "--test_out=" + TestTempDir();
105
106  const char* argv[] = {
107    "protoc",
108    proto_path.c_str(),
109    java_out.c_str(),
110    test_out.c_str(),
111    "test.proto"
112  };
113
114  EXPECT_EQ(0, cli.Run(5, argv));
115}
116
117}  // namespace
118}  // namespace java
119}  // namespace compiler
120}  // namespace protobuf
121}  // namespace google
122