1 files changed, 61 insertions, 0 deletions
diff --git a/extractor/phrase_test.cc b/extractor/phrase_test.cc
new file mode 100644
index 00000000..2b553b6f
--- /dev/null
+++ b/extractor/phrase_test.cc
@@ -0,0 +1,61 @@
+#include <gtest/gtest.h>
+
+#include <memory>
+#include <vector>
+
+#include "mocks/mock_vocabulary.h"
+#include "phrase.h"
+#include "phrase_builder.h"
+
+using namespace std;
+using namespace ::testing;
+
+namespace {
+
+class PhraseTest : public Test {
+ protected:
+  virtual void SetUp() {
+    shared_ptr<MockVocabulary> vocabulary = make_shared<MockVocabulary>();
+    EXPECT_CALL(*vocabulary, GetTerminalValue(_))
+        .WillRepeatedly(Return("word"));
+    shared_ptr<PhraseBuilder> phrase_builder =
+        make_shared<PhraseBuilder>(vocabulary);
+
+    symbols1 = vector<int>{1, 2, 3};
+    phrase1 = phrase_builder->Build(symbols1);
+    symbols2 = vector<int>{1, 2, -1, 3, -2, 4};
+    phrase2 = phrase_builder->Build(symbols2);
+  }
+
+  vector<int> symbols1, symbols2;
+  Phrase phrase1, phrase2;
+};
+
+TEST_F(PhraseTest, TestArity) {
+  EXPECT_EQ(0, phrase1.Arity());
+  EXPECT_EQ(2, phrase2.Arity());
+}
+
+TEST_F(PhraseTest, GetChunkLen) {
+  EXPECT_EQ(3, phrase1.GetChunkLen(0));
+
+  EXPECT_EQ(2, phrase2.GetChunkLen(0));
+  EXPECT_EQ(1, phrase2.GetChunkLen(1));
+  EXPECT_EQ(1, phrase2.GetChunkLen(2));
+}
+
+TEST_F(PhraseTest, TestGet) {
+  EXPECT_EQ(symbols1, phrase1.Get());
+  EXPECT_EQ(symbols2, phrase2.Get());
+}
+
+TEST_F(PhraseTest, TestGetSymbol) {
+  for (size_t i = 0; i < symbols1.size(); ++i) {
+    EXPECT_EQ(symbols1[i], phrase1.GetSymbol(i));
+  }
+  for (size_t i = 0; i < symbols2.size(); ++i) {
+    EXPECT_EQ(symbols2[i], phrase2.GetSymbol(i));
+  }
+}
+
+}  // namespace