def test_callback_resolution_weaving_2():
d = Deferred()
d.add_callbacks(lambda r: fail(Exception(r + "b")), lambda e: e.value.args[0] + 'w')
d.add_callbacks(lambda e: Exception(e + "x"), lambda e: e.value.args[0] + "c")
d.add_callbacks(lambda r: Exception(r + "d"), lambda e: e.value.args[0] + 'y')
d.add_callbacks(lambda r: fail(ValueError(r + "z")), lambda e: e.value.args[0] + 'e')
d.errback(Exception('v'))
assert isinstance(d.result, DeferredException)
assert isinstance(d.result.value, ValueError)
assert d.result.value.args[0] == "vwxyz"
def test_fail():
e = Exception('failed')
d = fail(e)
assert isinstance(d.result, DeferredException)
assert d.result.value == e
assert d.called
assert not d.callbacks
class Test_ListOfT_Array_Promise_T: # [T] Array<Promise<T>>
type = GraphQLList(GraphQLInt)
test_contains_values = check([succeed(1), succeed(2)],
{'data': {
'nest': {
'test': [1, 2]
}
}})
test_contains_null = check(
[succeed(1), succeed(None), succeed(2)],
{'data': {
'nest': {
'test': [1, None, 2]
}
}})
test_contains_reject = check(
lambda: [succeed(1), fail(Exception('bad')),
succeed(2)], {
'data': {
'nest': {
'test': [1, None, 2]
}
},
'errors': [{
'locations': [{
'column': 10,
'line': 1
}],
'message': 'bad'
}]
})
def test_fail():
e = Exception('failed')
d = fail(e)
assert isinstance(d.result, DeferredException)
assert d.result.value == e
assert d.called
assert not d.callbacks
def test_callback_resolution_weaving_2():
d = Deferred()
d.add_callbacks(lambda r: fail(Exception(r + "b")),
lambda e: e.value.args[0] + 'w')
d.add_callbacks(lambda e: Exception(e + "x"),
lambda e: e.value.args[0] + "c")
d.add_callbacks(lambda r: Exception(r + "d"),
lambda e: e.value.args[0] + 'y')
d.add_callbacks(lambda r: fail(ValueError(r + "z")),
lambda e: e.value.args[0] + 'e')
d.errback(Exception('v'))
assert isinstance(d.result, DeferredException)
assert isinstance(d.result.value, ValueError)
assert d.result.value.args[0] == "vwxyz"
def test_fail_none_catches_exception():
e = Exception('will be raised')
try:
raise e
except:
d = fail()
assert d.called
assert isinstance(d.result, DeferredException)
assert d.result.value == e
def test_fail_none_catches_exception():
e = Exception('will be raised')
try:
raise e
except:
d = fail()
assert d.called
assert isinstance(d.result, DeferredException)
assert d.result.value == e
def test_callback_resolution():
d = Deferred()
d.add_callback(lambda r: fail(Exception(r + "b")))
d.add_errback(lambda e: e.value.args[0] + "c")
d.add_callbacks(lambda r: r + "d", lambda e: e.value.args[0] + 'f')
d.callback("a")
assert d.result == "abcd"
def test_callback_resolution():
d = Deferred()
d.add_callback(lambda r: fail(Exception(r + "b")))
d.add_errback(lambda e: e.value.args[0] + "c")
d.add_callbacks(lambda r: r + "d", lambda e: e.value.args[0] + 'f')
d.callback("a")
assert d.result == "abcd"
def test_callback_resolution_weaving():
d = Deferred()
d.add_callbacks(lambda r: fail(Exception(r + "b")), lambda e: e.value.args[0] + 'w')
d.add_callbacks(lambda e: Exception(e + "x"), lambda e: e.value.args[0] + "c")
d.add_callbacks(lambda r: Exception(r + "d"), lambda e: e.value.args[0] + 'y')
d.add_callbacks(lambda r: r + "z", lambda e: e.value.args[0] + 'e')
d.callback("a")
assert d.result == "abcde"
class TestNotNullListOfNotNullT_Promise_Array_T: # [T!]! Promise<Array<T>>
type = GraphQLNonNull(GraphQLList(GraphQLNonNull(GraphQLInt)))
test_contains_value = check(succeed([1, 2]),
{'data': {
'nest': {
'test': [1, 2]
}
}})
test_contains_null = check(
succeed([1, None, 2]), {
'data': {
'nest': None
},
'errors': [{
'locations': [{
'column': 10,
'line': 1
}],
'message':
'Cannot return null for non-nullable field DataType.test.'
}]
})
test_returns_null = check(
succeed(None), {
'data': {
'nest': None
},
'errors': [{
'locations': [{
'column': 10,
'line': 1
}],
'message':
'Cannot return null for non-nullable field DataType.test.'
}]
})
test_rejected = check(
lambda: fail(Exception('bad')), {
'data': {
'nest': None
},
'errors': [{
'locations': [{
'column': 10,
'line': 1
}],
'message': 'bad'
}]
})
def test_callback_resolution_weaving():
d = Deferred()
d.add_callbacks(lambda r: fail(Exception(r + "b")),
lambda e: e.value.args[0] + 'w')
d.add_callbacks(lambda e: Exception(e + "x"),
lambda e: e.value.args[0] + "c")
d.add_callbacks(lambda r: Exception(r + "d"),
lambda e: e.value.args[0] + 'y')
d.add_callbacks(lambda r: r + "z", lambda e: e.value.args[0] + 'e')
d.callback("a")
assert d.result == "abcde"
class TestListOfNotNullT_Array_Promise_T: # [T!] Array<Promise<T>>
type = GraphQLList(GraphQLNonNull(GraphQLInt))
test_contains_values = check([succeed(1), succeed(2)],
{'data': {
'nest': {
'test': [1, 2]
}
}})
test_contains_null = check(
[succeed(1), succeed(None), succeed(2)], {
'data': {
'nest': {
'test': None
}
},
'errors': [{
'locations': [{
'column': 10,
'line': 1
}],
'message':
'Cannot return null for non-nullable field DataType.test.'
}]
})
test_contains_reject = check(
lambda: [succeed(1), fail(Exception('bad')),
succeed(2)], {
'data': {
'nest': {
'test': None
}
},
'errors': [{
'locations': [{
'column': 10,
'line': 1
}],
'message': 'bad'
}]
})
class Test_ListOfT_Promise_Array_T: # [T] Promise<Array<T>>
type = GraphQLList(GraphQLInt)
test_contains_values = check(succeed([1, 2]),
{'data': {
'nest': {
'test': [1, 2]
}
}})
test_contains_null = check(succeed([1, None, 2]),
{'data': {
'nest': {
'test': [1, None, 2]
}
}})
test_returns_null = check(succeed(None),
{'data': {
'nest': {
'test': None
}
}})
test_rejected = check(
lambda: fail(Exception('bad')), {
'data': {
'nest': {
'test': None
}
},
'errors': [{
'locations': [{
'column': 10,
'line': 1
}],
'message': 'bad'
}]
})
def nonNullPromise(self):
return fail(non_null_promise_error)
def promise(self):
return fail(promise_error)
def test_fail_none():
d = fail()
assert isinstance(d.result, DeferredException)
assert d.called
assert not d.callbacks
def test_fail_none():
d = fail()
assert isinstance(d.result, DeferredException)
assert d.called
assert not d.callbacks
def promise(self):
return fail(Exception('Something bad happened! Sucks :('))
def asyncEmptyReject(self):
return fail()
def asyncReject(self):
return fail(Exception('Error getting asyncReject'))
def promise(self):
return fail(Exception('Something bad happened! Sucks :('))
def asyncReject(self):
return fail(Exception('Error getting asyncReject'))
def nonNullPromise(self):
return fail(non_null_promise_error)
def asyncEmptyReject(self):
return fail()
def promise(self):
return fail(promise_error)
