Add tests for default icons (#142)

Author: alexanderjeurissen

tests/test_devicons.py

@@ -59,6 +59,18 @@ def test_devicon_unknown():
     file = MockFile('unknown.unknown')
     assert devicons.devicon(file) == ''
 
+def test_unmapped_directory_returns_default(monkeypatch):
+    monkeypatch.setenv('XDG_DOWNLOAD_DIR', '/tmp/downloads')
+    devicons = reload_devicons('es')
+    file = MockFile('RandomDir', is_directory=True)
+    assert devicons.devicon(file) == ''
+
+
+def test_uncommon_extension_returns_default(monkeypatch):
+    monkeypatch.setenv('XDG_DOWNLOAD_DIR', '/tmp/downloads')
+    devicons = reload_devicons('es')
+    file = MockFile('file.xyz')
+    assert devicons.devicon(file) == ''
 
 @pytest.mark.parametrize(
     "name,expected",
@@ -72,4 +84,4 @@ def test_devicon_unknown():
 )
 def test_devicon_various_examples(name, expected):
     devicons = reload_devicons('es')
-    assert devicons.devicon(MockFile(name)) == expected
+    assert devicons.devicon(MockFile(name)) == expected