sanic/tests/test_url_building.py
2018-12-13 11:50:50 -06:00

313 lines
8.6 KiB
Python

import pytest as pytest
from urllib.parse import urlsplit, parse_qsl
from sanic.response import text
from sanic.views import HTTPMethodView
from sanic.blueprints import Blueprint
from sanic.testing import PORT as test_port, HOST as test_host
from sanic.exceptions import URLBuildError
import string
URL_FOR_ARGS1 = dict(arg1=['v1', 'v2'])
URL_FOR_VALUE1 = '/myurl?arg1=v1&arg1=v2'
URL_FOR_ARGS2 = dict(arg1=['v1', 'v2'], _anchor='anchor')
URL_FOR_VALUE2 = '/myurl?arg1=v1&arg1=v2#anchor'
URL_FOR_ARGS3 = dict(
arg1='v1', _anchor='anchor', _scheme='http',
_server='{}:{}'.format(test_host, test_port), _external=True
)
URL_FOR_VALUE3 = 'http://{}:{}/myurl?arg1=v1#anchor'.format(test_host,
test_port)
URL_FOR_ARGS4 = dict(arg1='v1', _anchor='anchor', _external=True,
_server='http://{}:{}'.format(test_host, test_port))
URL_FOR_VALUE4 = 'http://{}:{}/myurl?arg1=v1#anchor'.format(test_host,
test_port)
def _generate_handlers_from_names(app, l):
for name in l:
# this is the easiest way to generate functions with dynamic names
exec('@app.route(name)\ndef {}(request):\n\treturn text("{}")'.format(
name, name))
@pytest.fixture
def simple_app(app):
handler_names = list(string.ascii_letters)
_generate_handlers_from_names(app, handler_names)
return app
def test_simple_url_for_getting(simple_app):
for letter in string.ascii_letters:
url = simple_app.url_for(letter)
assert url == '/{}'.format(letter)
request, response = simple_app.test_client.get(url)
assert response.status == 200
assert response.text == letter
@pytest.mark.parametrize('args,url',
[(URL_FOR_ARGS1, URL_FOR_VALUE1),
(URL_FOR_ARGS2, URL_FOR_VALUE2),
(URL_FOR_ARGS3, URL_FOR_VALUE3),
(URL_FOR_ARGS4, URL_FOR_VALUE4)])
def test_simple_url_for_getting_with_more_params(app, args, url):
@app.route('/myurl')
def passes(request):
return text('this should pass')
assert url == app.url_for('passes', **args)
request, response = app.test_client.get(url)
assert response.status == 200
assert response.text == 'this should pass'
def test_url_for_with_server_name(app):
server_name = '{}:{}'.format(test_host, test_port)
app.config.update({
'SERVER_NAME': server_name
})
path = '/myurl'
@app.route(path)
def passes(request):
return text('this should pass')
url = 'http://{}{}'.format(server_name, path)
assert url == app.url_for('passes', _server=None, _external=True)
request, response = app.test_client.get(url)
assert response.status == 200
assert response.text == 'this should pass'
def test_fails_if_endpoint_not_found(app):
@app.route('/fail')
def fail(request):
return text('this should fail')
with pytest.raises(URLBuildError) as e:
app.url_for('passes')
assert str(e.value) == 'Endpoint with name `passes` was not found'
def test_fails_url_build_if_param_not_passed(app):
url = '/'
for letter in string.ascii_letters:
url += '<{}>/'.format(letter)
@app.route(url)
def fail(request):
return text('this should fail')
fail_args = list(string.ascii_letters)
fail_args.pop()
fail_kwargs = {l: l for l in fail_args}
with pytest.raises(URLBuildError) as e:
app.url_for('fail', **fail_kwargs)
assert 'Required parameter `Z` was not passed to url_for' in str(e.value)
def test_fails_url_build_if_params_not_passed(app):
@app.route('/fail')
def fail(request):
return text('this should fail')
with pytest.raises(ValueError) as e:
app.url_for('fail', _scheme='http')
assert str(e.value) == 'When specifying _scheme, _external must be True'
COMPLEX_PARAM_URL = (
'/<foo:int>/<four_letter_string:[A-z]{4}>/'
'<two_letter_string:[A-z]{2}>/<normal_string>/<some_number:number>')
PASSING_KWARGS = {
'foo': 4, 'four_letter_string': 'woof',
'two_letter_string': 'ba', 'normal_string': 'normal',
'some_number': '1.001'}
EXPECTED_BUILT_URL = '/4/woof/ba/normal/1.001'
def test_fails_with_int_message(app):
@app.route(COMPLEX_PARAM_URL)
def fail(request):
return text('this should fail')
failing_kwargs = dict(PASSING_KWARGS)
failing_kwargs['foo'] = 'not_int'
with pytest.raises(URLBuildError) as e:
app.url_for('fail', **failing_kwargs)
expected_error = (
'Value "not_int" for parameter `foo` '
'does not match pattern for type `int`: \d+')
assert str(e.value) == expected_error
def test_fails_with_two_letter_string_message(app):
@app.route(COMPLEX_PARAM_URL)
def fail(request):
return text('this should fail')
failing_kwargs = dict(PASSING_KWARGS)
failing_kwargs['two_letter_string'] = 'foobar'
with pytest.raises(URLBuildError) as e:
app.url_for('fail', **failing_kwargs)
expected_error = (
'Value "foobar" for parameter `two_letter_string` '
'does not satisfy pattern [A-z]{2}')
assert str(e.value) == expected_error
def test_fails_with_number_message(app):
@app.route(COMPLEX_PARAM_URL)
def fail(request):
return text('this should fail')
failing_kwargs = dict(PASSING_KWARGS)
failing_kwargs['some_number'] = 'foo'
with pytest.raises(URLBuildError) as e:
app.url_for('fail', **failing_kwargs)
expected_error = (
'Value "foo" for parameter `some_number` '
'does not match pattern for type `float`: [0-9\\\\.]+')
assert str(e.value) == expected_error
def test_adds_other_supplied_values_as_query_string(app):
@app.route(COMPLEX_PARAM_URL)
def passes(request):
return text('this should pass')
new_kwargs = dict(PASSING_KWARGS)
new_kwargs['added_value_one'] = 'one'
new_kwargs['added_value_two'] = 'two'
url = app.url_for('passes', **new_kwargs)
query = dict(parse_qsl(urlsplit(url).query))
assert query['added_value_one'] == 'one'
assert query['added_value_two'] == 'two'
@pytest.fixture
def blueprint_app(app):
first_print = Blueprint('first', url_prefix='/first')
second_print = Blueprint('second', url_prefix='/second')
@first_print.route('/foo')
def foo(request):
return text('foo from first')
@first_print.route('/foo/<param>')
def foo_with_param(request, param):
return text(
'foo from first : {}'.format(param))
@second_print.route('/foo') # noqa
def foo(request):
return text('foo from second')
@second_print.route('/foo/<param>') # noqa
def foo_with_param(request, param):
return text(
'foo from second : {}'.format(param))
app.blueprint(first_print)
app.blueprint(second_print)
return app
def test_blueprints_are_named_correctly(blueprint_app):
first_url = blueprint_app.url_for('first.foo')
assert first_url == '/first/foo'
second_url = blueprint_app.url_for('second.foo')
assert second_url == '/second/foo'
def test_blueprints_work_with_params(blueprint_app):
first_url = blueprint_app.url_for('first.foo_with_param', param='bar')
assert first_url == '/first/foo/bar'
second_url = blueprint_app.url_for('second.foo_with_param', param='bar')
assert second_url == '/second/foo/bar'
@pytest.fixture
def methodview_app(app):
class ViewOne(HTTPMethodView):
def get(self, request):
return text('I am get method')
def post(self, request):
return text('I am post method')
def put(self, request):
return text('I am put method')
def patch(self, request):
return text('I am patch method')
def delete(self, request):
return text('I am delete method')
app.add_route(ViewOne.as_view('view_one'), '/view_one')
class ViewTwo(HTTPMethodView):
def get(self, request):
return text('I am get method')
def post(self, request):
return text('I am post method')
def put(self, request):
return text('I am put method')
def patch(self, request):
return text('I am patch method')
def delete(self, request):
return text('I am delete method')
app.add_route(ViewTwo.as_view(), '/view_two')
return app
def test_methodview_naming(methodview_app):
viewone_url = methodview_app.url_for('ViewOne')
viewtwo_url = methodview_app.url_for('ViewTwo')
assert viewone_url == '/view_one'
assert viewtwo_url == '/view_two'