1 // Protocol Buffers - Google's data interchange format
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3 // https://developers.google.com/protocol-buffers/
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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 <memory>
38 #ifndef _SHARED_PTR_H
39 #include <google/protobuf/stubs/shared_ptr.h>
40 #endif
41
42 #include <google/protobuf/compiler/java/java_generator.h>
43 #include <google/protobuf/compiler/command_line_interface.h>
44 #include <google/protobuf/io/zero_copy_stream.h>
45 #include <google/protobuf/io/printer.h>
46
47 #include <google/protobuf/testing/file.h>
48 #include <google/protobuf/testing/file.h>
49 #include <google/protobuf/testing/googletest.h>
50 #include <gtest/gtest.h>
51
52 namespace google {
53 namespace protobuf {
54 namespace compiler {
55 namespace java {
56 namespace {
57
58 class TestGenerator : public CodeGenerator {
59 public:
TestGenerator()60 TestGenerator() {}
~TestGenerator()61 ~TestGenerator() {}
62
Generate(const FileDescriptor * file,const string & parameter,GeneratorContext * context,string * error) const63 virtual bool Generate(const FileDescriptor* file,
64 const string& parameter,
65 GeneratorContext* context,
66 string* error) const {
67 string filename = "Test.java";
68 TryInsert(filename, "outer_class_scope", context);
69 TryInsert(filename, "class_scope:foo.Bar", context);
70 TryInsert(filename, "class_scope:foo.Bar.Baz", context);
71 TryInsert(filename, "builder_scope:foo.Bar", context);
72 TryInsert(filename, "builder_scope:foo.Bar.Baz", context);
73 TryInsert(filename, "enum_scope:foo.Qux", context);
74 return true;
75 }
76
TryInsert(const string & filename,const string & insertion_point,GeneratorContext * context) const77 void TryInsert(const string& filename, const string& insertion_point,
78 GeneratorContext* context) const {
79 google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> output(
80 context->OpenForInsert(filename, insertion_point));
81 io::Printer printer(output.get(), '$');
82 printer.Print("// inserted $name$\n", "name", insertion_point);
83 }
84 };
85
86 // This test verifies that all the expected insertion points exist. It does
87 // not verify that they are correctly-placed; that would require actually
88 // compiling the output which is a bit more than I care to do for this test.
TEST(JavaPluginTest,PluginTest)89 TEST(JavaPluginTest, PluginTest) {
90 GOOGLE_CHECK_OK(File::SetContents(TestTempDir() + "/test.proto",
91 "syntax = \"proto2\";\n"
92 "package foo;\n"
93 "option java_package = \"\";\n"
94 "option java_outer_classname = \"Test\";\n"
95 "message Bar {\n"
96 " message Baz {}\n"
97 "}\n"
98 "enum Qux { BLAH = 1; }\n",
99 true));
100
101 google::protobuf::compiler::CommandLineInterface cli;
102 cli.SetInputsAreProtoPathRelative(true);
103
104 JavaGenerator java_generator;
105 TestGenerator test_generator;
106 cli.RegisterGenerator("--java_out", &java_generator, "");
107 cli.RegisterGenerator("--test_out", &test_generator, "");
108
109 string proto_path = "-I" + TestTempDir();
110 string java_out = "--java_out=" + TestTempDir();
111 string test_out = "--test_out=" + TestTempDir();
112
113 const char* argv[] = {
114 "protoc",
115 proto_path.c_str(),
116 java_out.c_str(),
117 test_out.c_str(),
118 "test.proto"
119 };
120
121 EXPECT_EQ(0, cli.Run(5, argv));
122 }
123
124 } // namespace
125 } // namespace java
126 } // namespace compiler
127 } // namespace protobuf
128 } // namespace google
129