Python is_directive示例

示例#1

 def returns_false_for_random_garbage():
     assert is_directive(None) is False
     with raises(TypeError):
         assert_directive(None)
     assert is_directive({"what": "is this"}) is False
     with raises(TypeError):
         assert_directive({"what": "is this"})

示例#2

 def returns_false_for_non_directive():
     assert is_directive(EnumType) is False
     with raises(TypeError):
         assert_directive(EnumType)
     assert is_directive(ScalarType) is False
     with raises(TypeError):
         assert_directive(ScalarType)

示例#3

 def returns_false_for_directive_class_rather_than_instance():
     assert is_directive(GraphQLDirective) is False
     with raises(TypeError):
         assert_directive(GraphQLScalarType)

示例#4

 def returns_true_for_spec_defined_directive():
     assert is_directive(GraphQLSkipDirective) is True
     assert_directive(GraphQLSkipDirective)

示例#5

 def returns_true_for_custom_directive():
     assert is_directive(Directive) is True
     assert_directive(Directive)

示例#6

 def returns_false_for_random_garbage():
     assert is_directive(None) is False
     assert is_directive({'what': 'is this'}) is False

示例#7

 def returns_false_for_other_instances():
     assert is_directive(GraphQLString) is False

示例#8

 def returns_false_for_type_class_rather_than_instance():
     assert is_directive(GraphQLDirective) is False

示例#9

 def returns_true_for_directive():
     directive = GraphQLDirective('test', [])
     assert is_directive(directive) is True

示例#10

 def returns_false_for_random_garbage():
     assert is_directive(None) is False
     assert is_directive({"what": "is this"}) is False