diff --git a/tests/datas/reviewstats_empty.csv b/tests/datas/reviewstats_empty.csv
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_review_stats.py b/tests/test_review_stats.py
index c277bab..919c06f 100644
--- a/tests/test_review_stats.py
+++ b/tests/test_review_stats.py
@@ -8,37 +8,7 @@ from review.stats import Board, UserBoard, DurationBoard, ReviewData, ReviewStat
 def setup_function():
     shutil.copyfile("tests/datas/reviewstats_1.csv", "tests/reviews/reviewstats_1.csv")
     shutil.copyfile("tests/datas/reviewstats_2.csv", "tests/reviews/reviewstats_2.csv")
-
-
-def load_reviewstats(filepath):
-    final_datas = []
-    try:
-        with open(filepath) as file_handle:
-            lines = file_handle.read().splitlines()
-            for line in lines:
-                if line.strip() != "":
-                    datas = re.split(r"\s+", line)
-                    if len(datas) == 2:
-                        final_datas.append(
-                            ReviewData(
-                                datetime.strptime(datas[0], "%Y%m%d-%Hh%M"),
-                                int(datas[1]),
-                                None,
-                            )
-                        )
-                    else:
-                        final_datas.append(
-                            ReviewData(
-                                datetime.strptime(datas[0], "%Y%m%d-%Hh%M"),
-                                int(datas[1]),
-                                int(datas[2]),
-                            )
-                        )
-    except FileNotFoundError:
-        # no file, no stats
-        pass
-
-    return final_datas
+    shutil.copyfile("tests/datas/reviewstats_empty.csv", "tests/reviews/reviewstats_empty.csv")
 
 
 def test_board():
@@ -84,3 +54,33 @@ def test_durationboard():
     assert board.max == 17
     assert board.sum == 49
     assert board.avg == 7.0
+
+
+def test_reviewstats():
+    review = ReviewStats("tests/reviews/reviewstats_2.csv")
+    review.load()
+    assert review.size == 16
+    assert review.first is not None
+    assert review.biggest is not None
+    assert review.min_users == 1
+    assert review.max_users == 10
+    assert review.avg_users == 3.1875
+    assert review.min_duration == 3
+    assert review.max_duration == 17
+    assert review.avg_duration == 7.0
+    assert review.year_review(2012) == 2
+
+
+def test_reviewstats_empty():
+    review = ReviewStats("tests/reviews/reviewstats_empty.csv")
+    review.load()
+    assert review.size == 0
+    assert review.first is None
+    assert review.biggest is None
+    assert review.min_users == 0
+    assert review.max_users == 0
+    assert review.avg_users == 0
+    assert review.min_duration == 0
+    assert review.max_duration == 0
+    assert review.avg_duration == 0
+    assert review.year_review(2012) == 0