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29 
30 #include "rewriter/correction_rewriter.h"
31 
32 #include <memory>
33 #include <string>
34 
35 #include "base/port.h"
36 #include "base/serialized_string_array.h"
37 #include "config/config_handler.h"
38 #include "converter/segments.h"
39 #include "protocol/commands.pb.h"
40 #include "protocol/config.pb.h"
41 #include "request/conversion_request.h"
42 #include "testing/base/public/gunit.h"
43 
44 namespace mozc {
45 namespace {
46 
AddSegment(const string & key,Segments * segments)47 Segment *AddSegment(const string &key, Segments *segments) {
48   Segment *segment = segments->push_back_segment();
49   segment->set_key(key);
50   return segment;
51 }
52 
AddCandidate(const string & key,const string & value,const string & content_key,const string & content_value,Segment * segment)53 Segment::Candidate *AddCandidate(
54     const string &key, const string &value,
55     const string &content_key, const string &content_value,
56     Segment *segment) {
57   Segment::Candidate *candidate = segment->add_candidate();
58   candidate->Init();
59   candidate->key = key;
60   candidate->value = value;
61   candidate->content_key = content_key;
62   candidate->content_value = content_value;
63   return candidate;
64 }
65 }  // namespace
66 
67 class CorrectionRewriterTest : public testing::Test {
68  protected:
CorrectionRewriterTest()69   CorrectionRewriterTest() {
70     convreq_.set_request(&request_);
71     convreq_.set_config(&config_);
72   }
73 
SetUp()74   void SetUp() override {
75     // Create a rewriter with one entry: (TSUKIGIME, gekkyoku, tsukigime)
76     const std::vector<StringPiece> values = {"TSUKIGIME"};
77     const std::vector<StringPiece> errors = {"gekkyoku"};
78     const std::vector<StringPiece> corrections = {"tsukigime"};
79     rewriter_.reset(new CorrectionRewriter(
80         SerializedStringArray::SerializeToBuffer(values, &values_buf_),
81         SerializedStringArray::SerializeToBuffer(errors, &errors_buf_),
82         SerializedStringArray::SerializeToBuffer(corrections,
83                                                  &corrections_buf_)));
84     config::ConfigHandler::GetDefaultConfig(&config_);
85     config_.set_use_spelling_correction(true);
86   }
87 
88   std::unique_ptr<CorrectionRewriter> rewriter_;
89   ConversionRequest convreq_;
90   commands::Request request_;
91   config::Config config_;
92 
93  private:
94   std::unique_ptr<uint32[]> values_buf_;
95   std::unique_ptr<uint32[]> errors_buf_;
96   std::unique_ptr<uint32[]> corrections_buf_;
97 };
98 
TEST_F(CorrectionRewriterTest,CapabilityTest)99 TEST_F(CorrectionRewriterTest, CapabilityTest) {
100   EXPECT_EQ(RewriterInterface::ALL, rewriter_->capability(convreq_));
101 }
102 
TEST_F(CorrectionRewriterTest,RewriteTest)103 TEST_F(CorrectionRewriterTest, RewriteTest) {
104   Segments segments;
105 
106   Segment *segment = AddSegment("gekkyokuwo", &segments);
107   Segment::Candidate *candidate =
108       AddCandidate("gekkyokuwo", "TSUKIGIMEwo", "gekkyoku", "TSUKIGIME",
109                    segment);
110   candidate->attributes |= Segment::Candidate::RERANKED;
111 
112   AddCandidate("gekkyokuwo", "GEKKYOKUwo", "gekkyoku", "GEKKYOKU", segment);
113 
114   config_.set_use_spelling_correction(false);
115 
116   EXPECT_FALSE(rewriter_->Rewrite(convreq_, &segments));
117 
118   config_.set_use_spelling_correction(true);
119   EXPECT_TRUE(rewriter_->Rewrite(convreq_, &segments));
120 
121   // candidate 0
122   EXPECT_EQ(
123       (Segment::Candidate::RERANKED | Segment::Candidate::SPELLING_CORRECTION),
124       segments.conversion_segment(0).candidate(0).attributes);
125   EXPECT_EQ(
126       "<もしかして: tsukigime>",
127       segments.conversion_segment(0).candidate(0).description);
128 
129   // candidate 1
130   EXPECT_EQ(Segment::Candidate::DEFAULT_ATTRIBUTE,
131             segments.conversion_segment(0).candidate(1).attributes);
132   EXPECT_TRUE(segments.conversion_segment(0).candidate(1).description.empty());
133 }
134 
135 }  // namespace mozc
136