Test config reader

md_pdf/config/read.py

@@ -4,9 +4,9 @@ from md_pdf.consts import CONFIG_FILE
 from md_pdf.exceptions import ConfigValidationException
 
 
-def load_config():
+def load_config(location=CONFIG_FILE):
     try:
-        with open(os.path.join(CONFIG_FILE)) as f:
+        with open(os.path.join(location)) as f:
             return yaml.safe_load(f)
     except FileNotFoundError:
         raise ConfigValidationException("Can't find config file at {}".format(CONFIG_FILE))

tests/__init__.py

@@ -1,9 +1,9 @@
-from unittest import TestCase
+import unittest
 import os
 from md_pdf.consts import TEMPLATES_DIR
 
 
-class BaseTestCase(TestCase):
+class BaseTestCase(unittest.TestCase):
     def deleteTemplates(self):
         for template in [
             'header.html',

tests/test_config.py

@@ -0,0 +1,15 @@
+from tests import BaseTestCase
+from md_pdf.config import read, validate
+from md_pdf.exceptions import ConfigValidationException
+import os
+
+
+class ReadConfigTestCase(BaseTestCase):
+    def test_reads_config(self):
+        config = read.load_config(os.path.abspath('test-files/mdp.yml'))
+        self.assertIsInstance(config, dict)
+
+    def test_throws_at_missing_config(self):
+        with self.assertRaises(ConfigValidationException):
+            read.load_config(os.path.abspath('non-existant'))
+