Datetime format dependencies fix

requirements.txt

@@ -1,2 +1,4 @@
+isodate
 jsonschema
 six
+strict_rfc3339

setup.cfg

@@ -23,8 +23,10 @@ python_requires = >= 2.7, != 3.0.*, != 3.1.*, != 3.2.*, != 3.3.*, != 3.4.*
 setup_requires =
     setuptools
 install_requires =
+    isodate
     jsonschema
     six
+    strict_rfc3339
 tests_require =
     mock; python_version<"3.0"
     pytest

tests/integration/test_validators.py

@@ -1,7 +1,9 @@
 from jsonschema import ValidationError
+import mock
 import pytest
+from six import u
 
-from openapi_schema_validator import OAS30Validator
+from openapi_schema_validator import OAS30Validator, oas30_format_checker
 
 
 class TestOAS30ValidatorValidate(object):
@@ -28,3 +30,45 @@ def test_nullable(self, schema_type):
         result = validator.validate(value)
 
         assert result is None
+
+    @pytest.mark.parametrize('value', [
+        u('1989-01-02T00:00:00Z'),
+        u('2018-01-02T23:59:59Z'),
+    ])
+    @mock.patch(
+        'openapi_schema_validator._format.'
+        'DATETIME_HAS_STRICT_RFC3339', True
+    )
+    @mock.patch(
+        'openapi_schema_validator._format.'
+        'DATETIME_HAS_ISODATE', False
+    )
+    def test_string_format_datetime_strict_rfc3339(self, value):
+        schema = {"type": 'string', "format": 'date-time'}
+        validator = OAS30Validator(
+            schema, format_checker=oas30_format_checker)
+
+        result = validator.validate(value)
+
+        assert result is None
+
+    @pytest.mark.parametrize('value', [
+        u('1989-01-02T00:00:00Z'),
+        u('2018-01-02T23:59:59Z'),
+    ])
+    @mock.patch(
+        'openapi_schema_validator._format.'
+        'DATETIME_HAS_STRICT_RFC3339', False
+    )
+    @mock.patch(
+        'openapi_schema_validator._format.'
+        'DATETIME_HAS_ISODATE', True
+    )
+    def test_string_format_datetime_isodate(self, value):
+        schema = {"type": 'string', "format": 'date-time'}
+        validator = OAS30Validator(
+            schema, format_checker=oas30_format_checker)
+
+        result = validator.validate(value)
+
+        assert result is None