1 files changed, 86 insertions, 63 deletions

diff --git a/extractor/translation_table_test.cc b/extractor/translation_table_test.cc
index d14f2f89..606777bd 100644
--- a/extractor/translation_table_test.cc
+++ b/extractor/translation_table_test.cc
@@ -1,83 +1,106 @@
 #include <gtest/gtest.h>
 
 #include <memory>
+#include <sstream>
 #include <string>
 #include <vector>
 
+#include <boost/archive/binary_iarchive.hpp>
+#include <boost/archive/binary_oarchive.hpp>
+
 #include "mocks/mock_alignment.h"
 #include "mocks/mock_data_array.h"
 #include "translation_table.h"
 
 using namespace std;
 using namespace ::testing;
+namespace ar = boost::archive;
 
 namespace extractor {
 namespace {
 
-TEST(TranslationTableTest, TestScores) {
-  vector<string> words = {"a", "b", "c"};
-
-  vector<int> source_data = {2, 3, 2, 3, 4, 0, 2, 3, 6, 0, 2, 3, 6, 0};
-  vector<int> source_sentence_start = {0, 6, 10, 14};
-  shared_ptr<MockDataArray> source_data_array = make_shared<MockDataArray>();
-  EXPECT_CALL(*source_data_array, GetData())
-      .WillRepeatedly(ReturnRef(source_data));
-  EXPECT_CALL(*source_data_array, GetNumSentences())
-      .WillRepeatedly(Return(3));
-  for (size_t i = 0; i < source_sentence_start.size(); ++i) {
-    EXPECT_CALL(*source_data_array, GetSentenceStart(i))
-        .WillRepeatedly(Return(source_sentence_start[i]));
-  }
-  for (size_t i = 0; i < words.size(); ++i) {
-    EXPECT_CALL(*source_data_array, HasWord(words[i]))
-        .WillRepeatedly(Return(true));
-    EXPECT_CALL(*source_data_array, GetWordId(words[i]))
-        .WillRepeatedly(Return(i + 2));
-  }
-  EXPECT_CALL(*source_data_array, HasWord("d"))
-      .WillRepeatedly(Return(false));
-
-  vector<int> target_data = {2, 3, 2, 3, 4, 5, 0, 3, 6, 0, 2, 7, 0};
-  vector<int> target_sentence_start = {0, 7, 10, 13};
-  shared_ptr<MockDataArray> target_data_array = make_shared<MockDataArray>();
-  EXPECT_CALL(*target_data_array, GetData())
-      .WillRepeatedly(ReturnRef(target_data));
-  for (size_t i = 0; i < target_sentence_start.size(); ++i) {
-    EXPECT_CALL(*target_data_array, GetSentenceStart(i))
-        .WillRepeatedly(Return(target_sentence_start[i]));
-  }
-  for (size_t i = 0; i < words.size(); ++i) {
-    EXPECT_CALL(*target_data_array, HasWord(words[i]))
-        .WillRepeatedly(Return(true));
-    EXPECT_CALL(*target_data_array, GetWordId(words[i]))
-        .WillRepeatedly(Return(i + 2));
+class TranslationTableTest : public Test {
+ protected:
+  virtual void SetUp() {
+    vector<string> words = {"a", "b", "c"};
+
+    vector<int> source_data = {2, 3, 2, 3, 4, 0, 2, 3, 6, 0, 2, 3, 6, 0};
+    vector<int> source_sentence_start = {0, 6, 10, 14};
+    shared_ptr<MockDataArray> source_data_array = make_shared<MockDataArray>();
+    EXPECT_CALL(*source_data_array, GetData())
+        .WillRepeatedly(ReturnRef(source_data));
+    EXPECT_CALL(*source_data_array, GetNumSentences())
+        .WillRepeatedly(Return(3));
+    for (size_t i = 0; i < source_sentence_start.size(); ++i) {
+      EXPECT_CALL(*source_data_array, GetSentenceStart(i))
+          .WillRepeatedly(Return(source_sentence_start[i]));
+    }
+    for (size_t i = 0; i < words.size(); ++i) {
+      EXPECT_CALL(*source_data_array, HasWord(words[i]))
+          .WillRepeatedly(Return(true));
+      EXPECT_CALL(*source_data_array, GetWordId(words[i]))
+          .WillRepeatedly(Return(i + 2));
+    }
+    EXPECT_CALL(*source_data_array, HasWord("d"))
+        .WillRepeatedly(Return(false));
+
+    vector<int> target_data = {2, 3, 2, 3, 4, 5, 0, 3, 6, 0, 2, 7, 0};
+    vector<int> target_sentence_start = {0, 7, 10, 13};
+    shared_ptr<MockDataArray> target_data_array = make_shared<MockDataArray>();
+    EXPECT_CALL(*target_data_array, GetData())
+        .WillRepeatedly(ReturnRef(target_data));
+    for (size_t i = 0; i < target_sentence_start.size(); ++i) {
+      EXPECT_CALL(*target_data_array, GetSentenceStart(i))
+          .WillRepeatedly(Return(target_sentence_start[i]));
+    }
+    for (size_t i = 0; i < words.size(); ++i) {
+      EXPECT_CALL(*target_data_array, HasWord(words[i]))
+          .WillRepeatedly(Return(true));
+      EXPECT_CALL(*target_data_array, GetWordId(words[i]))
+          .WillRepeatedly(Return(i + 2));
+    }
+    EXPECT_CALL(*target_data_array, HasWord("d"))
+        .WillRepeatedly(Return(false));
+
+    vector<pair<int, int>> links1 = {
+      make_pair(0, 0), make_pair(1, 1), make_pair(2, 2), make_pair(3, 3),
+      make_pair(4, 4), make_pair(4, 5)
+    };
+    vector<pair<int, int>> links2 = {make_pair(1, 0), make_pair(2, 1)};
+    vector<pair<int, int>> links3 = {make_pair(0, 0), make_pair(2, 1)};
+    shared_ptr<MockAlignment> alignment = make_shared<MockAlignment>();
+    EXPECT_CALL(*alignment, GetLinks(0)).WillRepeatedly(Return(links1));
+    EXPECT_CALL(*alignment, GetLinks(1)).WillRepeatedly(Return(links2));
+    EXPECT_CALL(*alignment, GetLinks(2)).WillRepeatedly(Return(links3));
+
+    table = TranslationTable(source_data_array, target_data_array, alignment);
   }
-  EXPECT_CALL(*target_data_array, HasWord("d"))
-      .WillRepeatedly(Return(false));
-
-  vector<pair<int, int>> links1 = {
-    make_pair(0, 0), make_pair(1, 1), make_pair(2, 2), make_pair(3, 3),
-    make_pair(4, 4), make_pair(4, 5)
-  };
-  vector<pair<int, int>> links2 = {make_pair(1, 0), make_pair(2, 1)};
-  vector<pair<int, int>> links3 = {make_pair(0, 0), make_pair(2, 1)};
-  shared_ptr<MockAlignment> alignment = make_shared<MockAlignment>();
-  EXPECT_CALL(*alignment, GetLinks(0)).WillRepeatedly(Return(links1));
-  EXPECT_CALL(*alignment, GetLinks(1)).WillRepeatedly(Return(links2));
-  EXPECT_CALL(*alignment, GetLinks(2)).WillRepeatedly(Return(links3));
-
-  shared_ptr<TranslationTable> table = make_shared<TranslationTable>(
-      source_data_array, target_data_array, alignment);
-
-  EXPECT_EQ(0.75, table->GetTargetGivenSourceScore("a", "a"));
-  EXPECT_EQ(0, table->GetTargetGivenSourceScore("a", "b"));
-  EXPECT_EQ(0.5, table->GetTargetGivenSourceScore("c", "c"));
-  EXPECT_EQ(-1, table->GetTargetGivenSourceScore("c", "d"));
-
-  EXPECT_EQ(1, table->GetSourceGivenTargetScore("a", "a"));
-  EXPECT_EQ(0, table->GetSourceGivenTargetScore("a", "b"));
-  EXPECT_EQ(1, table->GetSourceGivenTargetScore("c", "c"));
-  EXPECT_EQ(-1, table->GetSourceGivenTargetScore("c", "d"));
+
+  TranslationTable table;
+};
+
+TEST_F(TranslationTableTest, TestScores) {
+  EXPECT_EQ(0.75, table.GetTargetGivenSourceScore("a", "a"));
+  EXPECT_EQ(0, table.GetTargetGivenSourceScore("a", "b"));
+  EXPECT_EQ(0.5, table.GetTargetGivenSourceScore("c", "c"));
+  EXPECT_EQ(-1, table.GetTargetGivenSourceScore("c", "d"));
+
+  EXPECT_EQ(1, table.GetSourceGivenTargetScore("a", "a"));
+  EXPECT_EQ(0, table.GetSourceGivenTargetScore("a", "b"));
+  EXPECT_EQ(1, table.GetSourceGivenTargetScore("c", "c"));
+  EXPECT_EQ(-1, table.GetSourceGivenTargetScore("c", "d"));
+}
+
+TEST_F(TranslationTableTest, TestSerialization) {
+  stringstream stream(ios_base::binary | ios_base::out | ios_base::in);
+  ar::binary_oarchive output_stream(stream, ar::no_header);
+  output_stream << table;
+
+  TranslationTable table_copy;
+  ar::binary_iarchive input_stream(stream, ar::no_header);
+  input_stream >> table_copy;
+
+  EXPECT_EQ(table, table_copy);
 }
 
 } // namespace