Updates for Windows tests

tests/parsing/yaml/test_parsing_yaml.py

@@ -1,24 +1,28 @@
 """Tests to validate yaml features."""
 from nelkit.exceptions import FileNotFound, ParsingError
 from nelkit.parsing.yaml.loader import YamlLoader
+import os
 import pytest
+s = os.sep
 
 
 def test_YamlLoader():
     """Test to see that the YamlLoader returns a dict."""
-    yl = YamlLoader(filename='tests/parsing/yaml/data/base.yml')
+    yl = YamlLoader(filename='tests%sparsing%syaml%sdata%sbase.yml' % (s, s, s, s))
     assert isinstance(yl.data, dict)
 
 
 def test_load_missing_file():
     """Test to verify that an exception is raised when trying to load a non-existing file."""
     with pytest.raises(FileNotFound) as excinfo:
-        YamlLoader(filename='tests/parsing/yaml/data/file_that_does_not_exist.yml')
-    assert 'Unable to read: tests/parsing/yaml/data/file_that_does_not_exist.yml' == str(excinfo.value)
+        YamlLoader(filename='tests%sparsing%syaml%sdata%sfile_that_does_not_exist.yml' % (s, s, s, s))
+    assert 'Unable to read: tests%sparsing%syaml%sdata%sfile_that_does_not_exist.yml' % (
+        s, s, s, s) == str(excinfo.value)
 
 
 def test_load_invalid_file():
     """Test to verify that an exception is raised when the yaml file is invalid."""
     with pytest.raises(ParsingError) as excinfo:
-        YamlLoader(filename='tests/parsing/yaml/data/invalid_yaml.yml')
-    assert 'tests/parsing/yaml/data/invalid_yaml.yml is not a valid yaml file' == str(excinfo.value)
+        YamlLoader(filename='tests%sparsing%syaml%sdata%sinvalid_yaml.yml' % (s, s, s, s))
+    assert 'tests%sparsing%syaml%sdata%sinvalid_yaml.yml is not a valid yaml file' % (
+        s, s, s, s) == str(excinfo.value)