summaryrefslogtreecommitdiff
path: root/extractor/sampler_test.cc
diff options
context:
space:
mode:
Diffstat (limited to 'extractor/sampler_test.cc')
-rw-r--r--extractor/sampler_test.cc74
1 files changed, 74 insertions, 0 deletions
diff --git a/extractor/sampler_test.cc b/extractor/sampler_test.cc
new file mode 100644
index 00000000..e9abebfa
--- /dev/null
+++ b/extractor/sampler_test.cc
@@ -0,0 +1,74 @@
+#include <gtest/gtest.h>
+
+#include <memory>
+
+#include "mocks/mock_suffix_array.h"
+#include "phrase_location.h"
+#include "sampler.h"
+
+using namespace std;
+using namespace ::testing;
+
+namespace extractor {
+namespace {
+
+class SamplerTest : public Test {
+ protected:
+ virtual void SetUp() {
+ suffix_array = make_shared<MockSuffixArray>();
+ for (int i = 0; i < 10; ++i) {
+ EXPECT_CALL(*suffix_array, GetSuffix(i)).WillRepeatedly(Return(i));
+ }
+ }
+
+ shared_ptr<MockSuffixArray> suffix_array;
+ shared_ptr<Sampler> sampler;
+};
+
+TEST_F(SamplerTest, TestSuffixArrayRange) {
+ PhraseLocation location(0, 10);
+
+ sampler = make_shared<Sampler>(suffix_array, 1);
+ vector<int> expected_locations = {0};
+ EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location));
+
+ sampler = make_shared<Sampler>(suffix_array, 2);
+ expected_locations = {0, 5};
+ EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location));
+
+ sampler = make_shared<Sampler>(suffix_array, 3);
+ expected_locations = {0, 3, 7};
+ EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location));
+
+ sampler = make_shared<Sampler>(suffix_array, 4);
+ expected_locations = {0, 3, 5, 8};
+ EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location));
+
+ sampler = make_shared<Sampler>(suffix_array, 100);
+ expected_locations = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+ EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location));
+}
+
+TEST_F(SamplerTest, TestSubstringsSample) {
+ vector<int> locations = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+ PhraseLocation location(locations, 2);
+
+ sampler = make_shared<Sampler>(suffix_array, 1);
+ vector<int> expected_locations = {0, 1};
+ EXPECT_EQ(PhraseLocation(expected_locations, 2), sampler->Sample(location));
+
+ sampler = make_shared<Sampler>(suffix_array, 2);
+ expected_locations = {0, 1, 6, 7};
+ EXPECT_EQ(PhraseLocation(expected_locations, 2), sampler->Sample(location));
+
+ sampler = make_shared<Sampler>(suffix_array, 3);
+ expected_locations = {0, 1, 4, 5, 6, 7};
+ EXPECT_EQ(PhraseLocation(expected_locations, 2), sampler->Sample(location));
+
+ sampler = make_shared<Sampler>(suffix_array, 7);
+ expected_locations = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+ EXPECT_EQ(PhraseLocation(expected_locations, 2), sampler->Sample(location));
+}
+
+} // namespace
+} // namespace extractor