added parse_ingredient test

test/test_scrape.py

@@ -67,6 +67,17 @@ def test_ingredient_regex():
         == "((?:[\\d\\./\\u00BC-\\u00BE\\u2150-\\u215E]*\\s?(?:\\(.+\\))?)*)((?:(?:[cC]up|[oO]unce)e?s?)?)((?:(?:(?:[cC]rushed|[gG]round)(?:ly)?)| )*)([a-zA-Z '\\-]+),?(.*)"
     )
 
+def test_parse_ingredient(mock_ingredient):
+    parts = scrape.parse_ingredient(mock_ingredient.text)
+    assert len(parts) > 0
+    assert parts == ['1', 'ounce', '', 'water', None]
+
+    parts = scrape.parse_ingredient("Water")
+    assert len(parts) > 0
+    assert parts == [None, None, None, 'Water', None]
+
+    parts = scrape.parse_ingredient("")
+    assert parts == None
 
 def test_parse_recipe_name(mock_site, mock_page, mock_recipe, mock_url, mock_blank_page,):
     expected_name = mock_recipe.name