1 // Protocol Buffers - Google's data interchange format
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31 // Author: kenton@google.com (Kenton Varda)
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
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>
42 #include <google/protobuf/testing/googletest.h>
43 #include <gtest/gtest.h>
44 #include <google/protobuf/testing/file.h>
52 class TestGenerator : public CodeGenerator {
57 virtual bool Generate(const FileDescriptor* file,
58 const string& parameter,
59 GeneratorContext* context,
60 string* error) const {
61 string filename = "Test.java";
62 TryInsert(filename, "outer_class_scope", context);
63 TryInsert(filename, "class_scope:foo.Bar", context);
64 TryInsert(filename, "class_scope:foo.Bar.Baz", context);
65 TryInsert(filename, "builder_scope:foo.Bar", context);
66 TryInsert(filename, "builder_scope:foo.Bar.Baz", context);
67 TryInsert(filename, "enum_scope:foo.Qux", context);
71 void TryInsert(const string& filename, const string& insertion_point,
72 GeneratorContext* context) const {
73 scoped_ptr<io::ZeroCopyOutputStream> output(
74 context->OpenForInsert(filename, insertion_point));
75 io::Printer printer(output.get(), '$');
76 printer.Print("// inserted $name$\n", "name", insertion_point);
80 // This test verifies that all the expected insertion points exist. It does
81 // not verify that they are correctly-placed; that would require actually
82 // compiling the output which is a bit more than I care to do for this test.
83 TEST(JavaPluginTest, PluginTest) {
84 File::WriteStringToFileOrDie(
85 "syntax = \"proto2\";\n"
87 "option java_package = \"\";\n"
88 "option java_outer_classname = \"Test\";\n"
92 "enum Qux { BLAH = 1; }\n",
93 TestTempDir() + "/test.proto");
95 google::protobuf::compiler::CommandLineInterface cli;
96 cli.SetInputsAreProtoPathRelative(true);
98 JavaGenerator java_generator;
99 TestGenerator test_generator;
100 cli.RegisterGenerator("--java_out", &java_generator, "");
101 cli.RegisterGenerator("--test_out", &test_generator, "");
103 string proto_path = "-I" + TestTempDir();
104 string java_out = "--java_out=" + TestTempDir();
105 string test_out = "--test_out=" + TestTempDir();
107 const char* argv[] = {
115 EXPECT_EQ(0, cli.Run(5, argv));
120 } // namespace compiler
121 } // namespace protobuf
122 } // namespace google