Write basic test cases

Author: suminb

pandas_datareader/tests/test_naver.py

@@ -0,0 +1,23 @@
+from datetime import datetime
+
+from pandas_datareader import DataReader
+import pytest
+
+
+class TestNaver(object):
+    @pytest.mark.parametrize(
+        "symbol, start, end",
+        [
+            ("005930", (2019, 10, 1), (2019, 10, 7)),
+            ("000660", (2018, 1, 1), (2018, 12, 31)),
+            ("069500", (2017, 6, 3), (2018, 9, 9)),
+        ],
+    )
+    def test_naver_daily_reader(self, symbol, start, end):
+        start = datetime(*start)
+        end = datetime(*end)
+        reader = DataReader(symbol, "naver", start, end)
+
+        assert reader.shape[1] == 6
+        assert reader["Date"].min() >= start
+        assert reader["Date"].max() <= end