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30 
31 #ifndef GOOGLE_PROTOBUF_UTIL_CONVERTER_TYPE_INFO_TEST_HELPER_H__
32 #define GOOGLE_PROTOBUF_UTIL_CONVERTER_TYPE_INFO_TEST_HELPER_H__
33 
34 #include <memory>
35 #include <vector>
36 
37 #include <google/protobuf/io/coded_stream.h>
38 #include <google/protobuf/descriptor.h>
39 #include <google/protobuf/util/internal/default_value_objectwriter.h>
40 #include <google/protobuf/util/internal/type_info.h>
41 #include <google/protobuf/util/internal/protostream_objectsource.h>
42 #include <google/protobuf/util/internal/protostream_objectwriter.h>
43 #include <google/protobuf/util/type_resolver.h>
44 
45 namespace google {
46 namespace protobuf {
47 namespace util {
48 namespace converter {
49 namespace testing {
50 
51 enum TypeInfoSource {
52   USE_TYPE_RESOLVER,
53 };
54 
55 // In the unit-tests we want to test two scenarios: one with type info from
56 // ServiceTypeInfo, the other with type info from TypeResolver. This class
57 // wraps the detail of where the type info is from and provides the same
58 // interface so the same unit-test code can test both scenarios.
59 class TypeInfoTestHelper {
60  public:
TypeInfoTestHelper(TypeInfoSource type)61   explicit TypeInfoTestHelper(TypeInfoSource type) : type_(type) {}
62 
63   // Creates a TypeInfo object for the given set of descriptors.
64   void ResetTypeInfo(const std::vector<const Descriptor*>& descriptors);
65 
66   // Convenient overloads.
67   void ResetTypeInfo(const Descriptor* descriptor);
68   void ResetTypeInfo(const Descriptor* descriptor1,
69                      const Descriptor* descriptor2);
70 
71   // Returns the TypeInfo created after ResetTypeInfo.
72   TypeInfo* GetTypeInfo();
73 
74   ProtoStreamObjectSource* NewProtoSource(
75       io::CodedInputStream* coded_input, const std::string& type_url,
76       ProtoStreamObjectSource::RenderOptions render_options = {});
77 
78   ProtoStreamObjectWriter* NewProtoWriter(
79       const std::string& type_url, strings::ByteSink* output,
80       ErrorListener* listener, const ProtoStreamObjectWriter::Options& options);
81 
82   DefaultValueObjectWriter* NewDefaultValueWriter(const std::string& type_url,
83                                                   ObjectWriter* writer);
84 
85  private:
86   TypeInfoSource type_;
87   std::unique_ptr<TypeInfo> typeinfo_;
88   std::unique_ptr<TypeResolver> type_resolver_;
89 };
90 }  // namespace testing
91 }  // namespace converter
92 }  // namespace util
93 }  // namespace protobuf
94 }  // namespace google
95 
96 #endif  // GOOGLE_PROTOBUF_UTIL_CONVERTER_TYPE_INFO_TEST_HELPER_H__
97