def test_missing_variables():
with pytest.raises(TypeError) as err:
read("""
query Belinda($asides: Int!) {
ebonics
}
""")
err.match('Variable "asides" is not provided for query Belinda')
def test_duplicated_fragment_names():
with pytest.raises(TypeError) as err:
read("""
query Pelota {
sinope
}
fragment Splosh on Makai {
saggier
}
fragment Splosh on Whether {
refits
}
""")
err.match('Duplicated fragment name: "Splosh"')
def test(dt):
dt.now = Mock(return_value=_NOW)
query = read('{ now }')
result = hiku_engine.execute(GRAPH, query)
simple_result = denormalize(GRAPH, result, query)
assert simple_result == {'now': '2015-10-21T07:28:00'}
def test_query(dt):
dt.now = Mock(return_value=_NOW)
query = read('{ now }')
result = hiku_engine.execute(GRAPH, query)
simple_result = denormalize(GRAPH, result, query)
assert simple_result == {'now': '2015-10-21T07:28:00'}
def test_reference_cycle_in_fragments():
with pytest.raises(TypeError) as err:
read("""
query Suckle {
roguish
...Pakol
}
fragment Pakol on Crees {
fatuous
...Varlet
}
fragment Varlet on Bribee {
penfold
...Pakol
}
""")
err.match('Cyclic fragment usage: "Pakol"')
def test(self):
with reqs_eq_patcher():
self.assertEqual(
read("""
{ hello }
"""),
Edge([Field('hello')]),
)
def test(self):
with reqs_eq_patcher():
self.assertEqual(
read("""
{ hello }
"""),
Edge([Field('hello')]),
)
def introspect(graph):
engine = Engine(SyncExecutor())
graph = apply(graph, [GraphQLIntrospection()])
query = read(QUERY)
errors = validate(graph, query)
assert not errors
norm_result = engine.execute(graph, query)
return denormalize(graph, norm_result, query)
def test_typename():
graph = Graph([
Node('Bar', [
Field('baz', Integer, _),
]),
Node('Foo', [
Link('bar', Sequence[TypeRef['Bar']], _, requires=None),
]),
Root([
Link('foo', TypeRef['Foo'], _, requires=None),
]),
])
query = read("""
query {
__typename
foo {
__typename
bar {
__typename
baz
}
}
}
""")
index = Index()
index[ROOT.node][ROOT.ident].update({
'foo': Reference('Foo', 1),
})
index['Foo'][1].update({
'bar': [Reference('Bar', 2), Reference('Bar', 3)],
})
index['Bar'][2].update({
'baz': 42
})
index['Bar'][3].update({
'baz': 43
})
result = Proxy(index, ROOT, query)
assert DenormalizeGraphQL(graph, result, 'Query').process(query) == {
'__typename': 'Query',
'foo': {
'__typename': 'Foo',
'bar': [
{
'__typename': 'Bar',
'baz': 42,
},
{
'__typename': 'Bar',
'baz': 43,
},
],
},
}
def introspect(query_graph, mutation_graph=None):
engine = Engine(SyncExecutor())
query_graph = apply(query_graph, [
GraphQLIntrospection(query_graph, mutation_graph),
])
query = read(QUERY)
errors = validate(query_graph, query)
assert not errors
norm_result = engine.execute(query_graph, query)
return denormalize(query_graph, norm_result)
def test_sync_introspection():
graph = GRAPH
from hiku.graph import apply
from hiku.introspection.graphql import GraphQLIntrospection
graph = apply(graph, [GraphQLIntrospection()])
query = read('{ __typename }')
result = hiku_engine.execute(graph, query)
simple_result = denormalize(graph, result, query)
assert simple_result == {'__typename': 'Root'}
def test_undefined_variables():
with pytest.raises(TypeError) as err:
read("""
{
selma(djin: $geeky)
}
""")
err.match(r'Variable \$geeky is not defined in query <unnamed>')
with pytest.raises(TypeError) as err:
read("""
query Oriolus {
ve(sac: $bd)
}
""")
err.match(r'Variable \$bd is not defined in query Oriolus')
with pytest.raises(TypeError) as err:
read("""
query Had {
...Fulgent
}
fragment Fulgent on Ashlee {
chewie(newton: $aliyah)
}
""")
err.match(r'Variable \$aliyah is not defined in query Had')
def test_strip():
query = read("""
query {
__typename
foo {
__typename
bar {
__typename
baz
}
}
}
""")
assert _StripQuery().visit(query) == read("""
query {
foo {
bar {
baz
}
}
}
""")
def test_directive_invalid_arguments(directive):
with pytest.raises(
TypeError,
match=('@{} directive accepts exactly one argument, 2 provided'.
format(directive))):
read(
"""
{{
foo
bar @{}(if: true, extra: true)
}}
""".format(directive), )
with pytest.raises(
TypeError,
match=('@{} directive does not accept "unknown" argument'.format(
directive))):
read(
"""
{{
foo
bar @{}(unknown: true)
}}
""".format(directive), )
async def handler(request):
hiku_engine = request.app['HIKU_ENGINE']
data = await request.json()
try:
query = read(data['query'], data.get('variables'))
errors = validate(request.app['GRAPH'], query)
if errors:
result = {'errors': [{'message': e} for e in errors]}
else:
result = await hiku_engine.execute(request.app['GRAPH'], query)
result = {'data': denormalize(request.app['GRAPH'], result, query)}
except Exception as err:
result = {'errors': [{'message': repr(err)}]}
return web.json_response(result)
def handler():
hiku_engine = app.config['HIKU_ENGINE']
data = request.get_json()
try:
query = read(data['query'], data.get('variables'))
errors = validate(app.config['GRAPH'], query)
if errors:
result = {'errors': [{'message': e} for e in errors]}
else:
result = hiku_engine.execute(app.config['GRAPH'],
query,
ctx=app.config['HIKU_CTX'])
result = {'data': denormalize(app.config['GRAPH'], result, query)}
except Exception as err:
result = {'errors': [{'message': repr(err)}]}
return jsonify(result)
async def test_async_introspection(event_loop):
from hiku.executors.asyncio import AsyncIOExecutor
from hiku.introspection.graphql import MakeAsync
graph = MakeAsync().visit(GRAPH)
async_hiku_engine = Engine(AsyncIOExecutor(event_loop))
from hiku.graph import apply
from hiku.introspection.graphql import AsyncGraphQLIntrospection
graph = apply(graph, [AsyncGraphQLIntrospection()])
query = read('{ __typename }')
result = await async_hiku_engine.execute(graph, query)
simple_result = denormalize(graph, result, query)
assert simple_result == {'__typename': 'Root'}
def check_read(source, query, variables=None):
parsed_query = read(source, variables)
with reqs_eq_patcher():
assert parsed_query == query
def test_multiple_operations():
with pytest.raises(TypeError) as err:
read('{ gummed } { calce } { aaron }')
err.match('Only single operation per document is supported, '
'3 operations was provided')
def test_mutation_operation():
with pytest.raises(TypeError) as err:
read('mutation { doSomething(kokam: "screens") }')
err.match('Only "query" operations are supported, "mutation" operation '
'was provided')
def check_read(source, query, variables=None):
parsed_query = read(source, variables)
assert parsed_query == query
def test_multiple_operations():
with pytest.raises(TypeError) as err:
read('{ gummed } { calce } { aaron }')
err.match('Duplicate operation definition: None')
def test_field_alias():
with pytest.raises(TypeError) as err:
read('{ glamors: foule }')
err.match('Field aliases are not supported')