def test_request_uri_changing_works(self):
# The request URI is automatically detected,
# but could be changed to something else on each request
# Changes should not be preserved throughout different requests though
app = flask.Flask(__name__)
helper = init_sijax(app)
with app.test_request_context():
app.preprocess_request()
js = helper.get_js()
self.assertTrue('Sijax.setRequestUri("/");' in js)
helper.set_request_uri('http://something.else/')
js = helper.get_js()
self.assertFalse('Sijax.setRequestUri("/");' in js)
self.assertTrue('Sijax.setRequestUri("http://something.else/");' in js)
# Ensure that the changed request uri was valid for the previous request only
with app.test_request_context():
app.preprocess_request()
js = helper.get_js()
self.assertTrue('Sijax.setRequestUri("/");' in js)
self.assertFalse('Sijax.setRequestUri("http://something.else/");' in js)
# Test that a more complex request url (with query string, etc) works
with app.test_request_context('/relative/url?query=string&is=here'):
app.preprocess_request()
js = helper.get_js()
self.assertTrue('Sijax.setRequestUri("/relative/url?query=string&is=here");' in js)
def test_upload_callbacks_receive_the_expected_arguments(self):
# Upload callbacks should have the following signature:
# def function(obj_response, flask_request_files, form_values)
# The extension should ensure that the proper arguments are passed
import sijax
from types import GeneratorType
app = flask.Flask(__name__)
helper = init_sijax(app)
call_history = []
def callback(obj_response, files, form_values):
call_history.append(form_values)
call_history.append(id(files))
with app.test_request_context():
app.preprocess_request()
helper.register_upload_callback('form_id', callback)
func_name = sijax.plugin.upload.func_name_by_form_id('form_id')
cls_sijax = helper._sijax.__class__
post = {cls_sijax.PARAM_REQUEST: func_name, cls_sijax.PARAM_ARGS: '["form_id"]', 'post_key': 'val'}
helper._sijax.set_data(post)
self.assertTrue(helper.is_sijax_request)
response = helper._sijax.process_request()
self.assertTrue(isinstance(response, GeneratorType))
for r in response: pass
expected_history = [{'post_key': 'val'}, id(flask.request.files)]
self.assertEqual(expected_history, call_history)
def test_register_callback_works(self):
call_history = []
def callback(obj_response):
call_history.append('callback')
obj_response.alert('test')
app = flask.Flask(__name__)
helper = init_sijax(app)
with app.test_request_context():
app.preprocess_request()
helper.register_callback('test', callback)
# no data, cannot determine request as a sijax request
self.assertFalse(helper.is_sijax_request)
cls_sijax = helper._sijax.__class__
helper._sijax.set_data({cls_sijax.PARAM_REQUEST: 'test', cls_sijax.PARAM_ARGS: '[]'})
self.assertTrue(helper.is_sijax_request)
response = helper.process_request()
self.assertEqual(['callback'], call_history)
_assert_response_json(self, response)
def test_registering_callbacks_in_a_non_request_context_fails(self):
app = flask.Flask(__name__)
helper = init_sijax(app)
try:
helper.register_callback('test', lambda r: r)
self.fail('Callback registered, but failure was expected!')
except AttributeError:
# helper._sijax (and flask.g.sijax)
pass
def test_json_uri_config_is_used(self):
uri = '/some/json_uri.here'
app = flask.Flask(__name__)
app.config['SIJAX_JSON_URI'] = uri
helper = init_sijax(app)
with app.test_request_context():
app.preprocess_request()
js = helper.get_js()
self.assertTrue(uri in js)
def test_sijax_helper_passes_correct_post_data(self):
# It's expected that SijaxHelper passes `flask.request.form` as post data
# in the "on before request" stage
app = flask.Flask(__name__)
helper = init_sijax(app)
with app.test_request_context():
app.preprocess_request()
self.assertEqual(id(helper._sijax.get_data()), id(flask.request.form))
def test_sijax_helper_object_is_only_bound_to_g_in_a_request_context(self):
# Test that not only is the helper object returned
# by `init_sijax`, but that during a request,
# it's available from `flask.g.sijax`
app = flask.Flask(__name__)
helper = init_sijax(app)
with app.test_request_context():
app.preprocess_request()
self.assertEqual(id(helper), id(flask.g.sijax))
try:
flask.g.sijax
self.fail('Bound to g in a non-request context!')
except AttributeError:
pass
def test_process_request_returns_a_string_or_a_flask_response_object(self):
# SijaxHelper.process_request should return a string for regular functions
# and a Flask.Response object for functions that use a generator (streaming functions)
from sijax.response import StreamingIframeResponse
app = flask.Flask(__name__)
helper = init_sijax(app)
with app.test_request_context():
app.preprocess_request()
cls_sijax = helper._sijax.__class__
post = {cls_sijax.PARAM_REQUEST: 'callback', cls_sijax.PARAM_ARGS: '[]'}
helper._sijax.set_data(post)
helper.register_callback('callback', lambda r: r)
response = helper.process_request()
self.assertTrue(isinstance(response, type('string')))
helper.register_callback('callback', lambda r: r, response_class=StreamingIframeResponse)
response = helper.process_request()
self.assertTrue(isinstance(response, flask.Response))
sys.path.append(path)
from flask import Flask, g, render_template
from flaskext.sijax import init_sijax, route
app = Flask(__name__)
# The path where you want the extension to create the needed javascript files
# DON'T put any of your files in this directory, because they'll be deleted!
app.config["SIJAX_STATIC_PATH"] = os.path.join('.', os.path.dirname(__file__), 'static/js/sijax/')
# You need to point Sijax to the json2.js library if you want to support
# browsers that don't support JSON natively (like IE <= 7)
app.config["SIJAX_JSON_URI"] = '/static/js/sijax/json2.js'
init_sijax(app)
class SijaxHandler(object):
"""A container class for all Sijax handlers.
Grouping all Sijax handler functions in a class
(or a Python module) allows them all to be registered with
a single line of code.
"""
@staticmethod
def save_message(obj_response, message):
message = message.strip()
if message == '':
return obj_response.alert("Empty messages are not allowed!")