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1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc.  All rights reserved.
3 // https://developers.google.com/protocol-buffers/
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 
32 // This file defines a protocol for running the conformance test suite
33 // in-process.  In other words, the suite itself will run in the same process as
34 // the code under test.
35 //
36 // For pros and cons of this approach, please see conformance.proto.
37 
38 #ifndef CONFORMANCE_CONFORMANCE_TEST_H
39 #define CONFORMANCE_CONFORMANCE_TEST_H
40 
41 #include <functional>
42 #include <string>
43 #include <google/protobuf/stubs/common.h>
44 #include <google/protobuf/util/type_resolver.h>
45 #include <google/protobuf/wire_format_lite.h>
46 
47 #include "third_party/jsoncpp/json.h"
48 
49 namespace conformance {
50 class ConformanceRequest;
51 class ConformanceResponse;
52 class TestAllTypes;
53 }  // namespace conformance
54 
55 namespace google {
56 namespace protobuf {
57 
58 class ConformanceTestRunner {
59  public:
~ConformanceTestRunner()60   virtual ~ConformanceTestRunner() {}
61 
62   // Call to run a single conformance test.
63   //
64   // "input" is a serialized conformance.ConformanceRequest.
65   // "output" should be set to a serialized conformance.ConformanceResponse.
66   //
67   // If there is any error in running the test itself, set "runtime_error" in
68   // the response.
69   virtual void RunTest(const std::string& test_name,
70                        const std::string& input,
71                        std::string* output) = 0;
72 };
73 
74 // Class representing the test suite itself.  To run it, implement your own
75 // class derived from ConformanceTestRunner and then write code like:
76 //
77 //    class MyConformanceTestRunner : public ConformanceTestRunner {
78 //     public:
79 //      virtual void RunTest(...) {
80 //        // INSERT YOUR FRAMEWORK-SPECIFIC CODE HERE.
81 //      }
82 //    };
83 //
84 //    int main() {
85 //      MyConformanceTestRunner runner;
86 //      google::protobuf::ConformanceTestSuite suite;
87 //
88 //      std::string output;
89 //      suite.RunSuite(&runner, &output);
90 //    }
91 //
92 class ConformanceTestSuite {
93  public:
ConformanceTestSuite()94   ConformanceTestSuite() : verbose_(false) {}
95 
SetVerbose(bool verbose)96   void SetVerbose(bool verbose) { verbose_ = verbose; }
97 
98   // Sets the list of tests that are expected to fail when RunSuite() is called.
99   // RunSuite() will fail unless the set of failing tests is exactly the same
100   // as this list.
101   void SetFailureList(const std::vector<std::string>& failure_list);
102 
103   // Run all the conformance tests against the given test runner.
104   // Test output will be stored in "output".
105   //
106   // Returns true if the set of failing tests was exactly the same as the
107   // failure list.  If SetFailureList() was not called, returns true if all
108   // tests passed.
109   bool RunSuite(ConformanceTestRunner* runner, std::string* output);
110 
111  private:
112   void ReportSuccess(const std::string& test_name);
113   void ReportFailure(const string& test_name,
114                      const conformance::ConformanceRequest& request,
115                      const conformance::ConformanceResponse& response,
116                      const char* fmt, ...);
117   void ReportSkip(const string& test_name,
118                   const conformance::ConformanceRequest& request,
119                   const conformance::ConformanceResponse& response);
120   void RunTest(const std::string& test_name,
121                const conformance::ConformanceRequest& request,
122                conformance::ConformanceResponse* response);
123   void RunValidInputTest(const string& test_name, const string& input,
124                          conformance::WireFormat input_format,
125                          const string& equivalent_text_format,
126                          conformance::WireFormat requested_output);
127   void RunValidJsonTest(const string& test_name, const string& input_json,
128                         const string& equivalent_text_format);
129   void RunValidJsonTestWithProtobufInput(const string& test_name,
130                                          const conformance::TestAllTypes& input,
131                                          const string& equivalent_text_format);
132 
133   typedef std::function<bool(const Json::Value&)> Validator;
134   void RunValidJsonTestWithValidator(const string& test_name,
135                                      const string& input_json,
136                                      const Validator& validator);
137   void ExpectParseFailureForJson(const string& test_name,
138                                  const string& input_json);
139   void ExpectSerializeFailureForJson(const string& test_name,
140                                      const string& text_format);
141   void ExpectParseFailureForProto(const std::string& proto,
142                                   const std::string& test_name);
143   void ExpectHardParseFailureForProto(const std::string& proto,
144                                       const std::string& test_name);
145   void TestPrematureEOFForType(google::protobuf::FieldDescriptor::Type type);
146   bool CheckSetEmpty(const set<string>& set_to_check, const char* msg);
147   ConformanceTestRunner* runner_;
148   int successes_;
149   int expected_failures_;
150   bool verbose_;
151   std::string output_;
152 
153   // The set of test names that are expected to fail in this run, but haven't
154   // failed yet.
155   std::set<std::string> expected_to_fail_;
156 
157   // The set of test names that have been run.  Used to ensure that there are no
158   // duplicate names in the suite.
159   std::set<std::string> test_names_;
160 
161   // The set of tests that failed, but weren't expected to.
162   std::set<std::string> unexpected_failing_tests_;
163 
164   // The set of tests that succeeded, but weren't expected to.
165   std::set<std::string> unexpected_succeeding_tests_;
166 
167   // The set of tests that the testee opted out of;
168   std::set<std::string> skipped_;
169 
170   google::protobuf::internal::scoped_ptr<google::protobuf::util::TypeResolver>
171       type_resolver_;
172   std::string type_url_;
173 };
174 
175 }  // namespace protobuf
176 }  // namespace google
177 
178 #endif  // CONFORMANCE_CONFORMANCE_TEST_H
179