Add tested Parser Interface

tests/test_parser.py

@@ -0,0 +1,19 @@
+from habitmove.parser import Parser, NomieParser
+
+
+def test_parser_interface_exists():
+    sut = Parser()
+    assert type(sut) == Parser
+
+
+def test_parser_interface_contains_methods():
+    sut = Parser()
+    assert sut.__getattribute__("parse") != None
+    assert sut.__getattribute__("extract_version") != None
+    assert sut.__getattribute__("extract_trackers") != None
+    assert sut.__getattribute__("extract_events") != None
+
+
+def test_nomie_parser_exists():
+    sut = NomieParser()
+    assert type(sut) == NomieParser