def test_convert_value_empty(self):
"""
Verifies that any other value returns None
"""
self.assertIsNone(convert_value(FieldSchemaType.BOOLEAN, None))
self.assertIsNone(convert_value(FieldSchemaType.BOOLEAN, ''))
self.assertIsNone(convert_value(FieldSchemaType.BOOLEAN, 'string'))
self.assertIsNone(convert_value(FieldSchemaType.BOOLEAN, 5))
def test_get_value_exception(self):
"""
Tests that when we fail to parse a value, we get a ValueError with additional information attached.
"""
bad_value = '-'
with self.assertRaises(ValueError) as ctx:
convert_value(FieldSchemaType.INT, bad_value)
self.assertEquals(bad_value, ctx.exception.bad_value)
self.assertEquals(FieldSchemaType.INT, ctx.exception.expected_type)
def test_convert_value_false(self):
"""
Verifies false string values are False
"""
self.assertFalse(convert_value(FieldSchemaType.BOOLEAN, 'f'))
self.assertFalse(convert_value(FieldSchemaType.BOOLEAN, 'F'))
self.assertFalse(convert_value(FieldSchemaType.BOOLEAN, 'false'))
self.assertFalse(convert_value(FieldSchemaType.BOOLEAN, 'False'))
self.assertFalse(convert_value(FieldSchemaType.BOOLEAN, 'FALSE'))
self.assertFalse(convert_value(FieldSchemaType.BOOLEAN, False))
self.assertFalse(convert_value(FieldSchemaType.BOOLEAN, 0))
self.assertFalse(convert_value(FieldSchemaType.BOOLEAN, '0'))
def test_convert_value_true(self):
"""
Verifies true string values are True
"""
self.assertTrue(convert_value(FieldSchemaType.BOOLEAN, 't'))
self.assertTrue(convert_value(FieldSchemaType.BOOLEAN, 'T'))
self.assertTrue(convert_value(FieldSchemaType.BOOLEAN, 'true'))
self.assertTrue(convert_value(FieldSchemaType.BOOLEAN, 'True'))
self.assertTrue(convert_value(FieldSchemaType.BOOLEAN, 'TRUE'))
self.assertTrue(convert_value(FieldSchemaType.BOOLEAN, True))
self.assertTrue(convert_value(FieldSchemaType.BOOLEAN, 1))
self.assertTrue(convert_value(FieldSchemaType.BOOLEAN, '1'))
def get_value(self, obj):
"""
Given an object, return the value of the field in that object.
"""
if isinstance(obj, list):
value = obj[self.field_position] if 0 <= self.field_position < len(obj) else None
elif isinstance(obj, dict):
value = obj[self.field_key] if self.field_key in obj else None
else:
value = getattr(obj, self.field_key) if hasattr(obj, self.field_key) else None
return convert_value(self.field_type, value, self.field_format, self.default_value)
def test_convert_datetime(self):
"""
Verifies that datetime field type attempts to coerce to timestamp before
attempting to parse the string as a date string
"""
# still
self.assertIsInstance(convert_value(FieldSchemaType.DATETIME, 1447251508), datetime)
self.assertIsInstance(convert_value(FieldSchemaType.DATETIME, 1447251508.1234), datetime)
self.assertIsInstance(convert_value(FieldSchemaType.DATETIME, 1.447251508e9), datetime)
self.assertIsInstance(convert_value(FieldSchemaType.DATETIME, '1447251508'), datetime)
self.assertIsInstance(convert_value(FieldSchemaType.DATETIME, '1447251508.1234'), datetime)
self.assertIsInstance(convert_value(FieldSchemaType.DATETIME, '1.447251508e9'), datetime)
# parses date strings
self.assertIsInstance(convert_value(FieldSchemaType.DATETIME, '2015-11-09 15:30:00'), datetime)
def test_convert_value_default(self):
"""
Verifies that the default value will be used if the passed value is null
"""
self.assertTrue(convert_value(FieldSchemaType.BOOLEAN, None, default_value=True))
self.assertIsNone(convert_value(FieldSchemaType.BOOLEAN, 'invalid', default_value=True))