Add unit tests for fixed issues

lib/rule_engine/debug_ast.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #
-#  rule_engine/debug_repl.py
+#  rule_engine/debug_ast.py
 #
 #  Redistribution and use in source and binary forms, with or without
 #  modification, are permitted provided that the following conditions are
@@ -53,8 +53,10 @@ def main():
 
 	rule = engine.Rule(rule_text)
 	digraph = rule.to_graphviz()
+
 	digraph.save(arguments.output + '.gv')
 	_print_written(arguments.output + '.gv')
+
 	digraph.render(arguments.output)
 	_print_written(arguments.output + '.pdf')
 

tests/issues.py

@@ -38,6 +38,8 @@
 import rule_engine.errors as errors
 import rule_engine.types as types
 
+import dateutil.tz
+
 class GitHubIssueTests(unittest.TestCase):
 	def test_number_10(self):
 		value = random.randint(1, 10000)
@@ -95,3 +97,19 @@ def test_number_54(self):
 		for rule in rules:
 			with self.assertRaises(errors.FloatSyntaxError):
 				engine.Rule(rule)
+
+	def test_number_66(self):
+		rule = engine.Rule('$parse_datetime("2020-01-01")')
+		try:
+			result = rule.evaluate({})
+		except Exception:
+			self.fail('evaluation raised an exception')
+		self.assertEqual(result, datetime.datetime(2020, 1, 1, tzinfo=dateutil.tz.tzlocal()))
+
+	def test_number_68(self):
+		rule = engine.Rule('$min(items)')
+		try:
+			result = rule.evaluate({'items': [1, 2, 3, 4, 5, 6, 7, 8, 9]})
+		except Exception:
+			self.fail('evaluation raised an exception')
+		self.assertEqual(result, 1)