add get_random_path fixture randomize path

Author: minggli

pandas/tests/frame/test_to_csv.py

@@ -30,6 +30,11 @@
                     'int32', 'int64']
 
 
+@pytest.fixture
+def get_random_path():
+    return u'__%s__' % tm.rands(10)
+
+
 class TestDataFrameToCSV(TestData):
 
     def read_csv(self, path, **kwargs):
@@ -919,13 +924,13 @@ def test_to_csv_path_is_none(self):
         recons = pd.read_csv(StringIO(csv_str), index_col=0)
         assert_frame_equal(self.frame, recons)
 
-    def test_to_csv_compression(self, compression):
+    def test_to_csv_compression(self, compression, get_random_path):
 
         df = DataFrame([[0.123456, 0.234567, 0.567567],
                         [12.32112, 123123.2, 321321.2]],
                        index=['A', 'B'], columns=['X', 'Y', 'Z'])
 
-        with ensure_clean() as filename:
+        with ensure_clean(get_random_path) as filename:
 
             df.to_csv(filename, compression=compression)
 

pandas/tests/series/test_io.py

@@ -18,6 +18,11 @@
 from .common import TestData
 
 
+@pytest.fixture
+def get_random_path():
+    return u'__%s__' % tm.rands(10)
+
+
 class TestSeriesToCSV(TestData):
 
     def read_csv(self, path, **kwargs):
@@ -138,12 +143,12 @@ def test_to_csv_path_is_none(self):
         csv_str = s.to_csv(path=None)
         assert isinstance(csv_str, str)
 
-    def test_to_csv_compression(self, compression):
+    def test_to_csv_compression(self, compression, get_random_path):
 
         s = Series([0.123456, 0.234567, 0.567567], index=['A', 'B', 'C'],
                    name='X')
 
-        with ensure_clean() as filename:
+        with ensure_clean(get_random_path) as filename:
 
             s.to_csv(filename, compression=compression, header=True)