def test_passed_in_not_field():
@dataclass
class Root:
pass
passed_in = dict(xxx=111)
di = dict()
with pytest.raises(ValueError):
make_context(Root, props=passed_in, di=di)
def test_field_missing_di():
@dataclass
class Root:
name: str = dataclasses.field(metadata=dict(di=True))
passed_in = dict()
di = dict()
with pytest.raises(KeyError) as excinfo:
make_context(Root, props=passed_in, di=di)
expected = 'Dependency injector cannot find type "str"'
assert expected in str(excinfo.value)
def _callblock(self, *args, caller):
env = self.environment
component_class = env.components[self.tag_name]
# Render any child nodes inside the "tags" for this
# component's usage.
# TODO Find a way for this to not get access to the
# global context
children = caller()
# Make an instance of this component, to be used as the
# template context
di = dict()
component = make_context(component_class,
self.props,
di,
children=children)
# Now render
template = env.load_template(component)
if template is None:
# No Jinja2 template, this component should implement render
result = component.render()
else:
d = dataclasses.asdict(component)
result = template.render(**d)
return result
def test_none_di_props():
@dataclass
class Root:
name: str = 'default'
component = make_context(Root)
assert 'default' == component.name
def test_field_extra_context():
@dataclass
class Root:
name: str
extra_context = dict(name='extra stuff')
component = make_context(Root, extra_context=extra_context)
assert 'extra stuff' == component.name
def test_field_di():
@dataclass
class Root:
name: str = dataclasses.field(metadata=dict(di=True))
passed_in = dict()
di = {str: 'DI Forever'}
component = make_context(Root, props=passed_in, di=di)
assert 'DI Forever' == component.name
def test_field_default():
@dataclass
class Root:
name: str = 'DEFAULT'
passed_in = dict()
di = dict()
component = make_context(Root, props=passed_in, di=di)
assert 'DEFAULT' == component.name
def test_passed_in_is_field():
@dataclass
class Root:
name: str
passed_in = dict(name='hello')
di = dict()
component = make_context(Root, props=passed_in, di=di)
assert 'hello' == component.name
def test_simplest():
@dataclass
class Root:
pass
passed_in = dict()
di = dict()
actual = make_context(Root, props=passed_in, di=di)
assert dict() == dataclasses.asdict(actual)
def test_field_passed_in_and_di():
@dataclass
class Root:
name: str = dataclasses.field(metadata=dict(di=True))
passed_in = dict(name='hello')
di = dict()
component = make_context(Root, props=passed_in, di=di)
assert 'hello' == component.name
def test_props_extra_context_di():
@dataclass
class Root:
name: str = dataclasses.field(metadata=dict(di=True))
passed_in = dict(name='hello')
extra_context = dict(name='extra stuff')
di = dict()
component = make_context(Root,
props=passed_in,
extra_context=extra_context,
di=di)
assert 'hello' == component.name