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# -*- coding: utf-8 -*-
"""
Flask Tests
~~~~~~~~~~~
Tests Flask itself. The majority of Flask is already tested
as part of Werkzeug.
:copyright: (c) 2010 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
from __future__ import with_statement
import flask
import unittest
import tempfile
class ContextTestCase(unittest.TestCase):
def test_context_binding(self):
app = flask.Flask(__name__)
@app.route('/')
def index():
return 'Hello %s!' % flask.request.args['name']
@app.route('/meh')
def meh():
return flask.request.url
with app.test_request_context('/?name=World'):
assert index() == 'Hello World!'
with app.test_request_context('/meh'):
assert meh() == 'http://localhost/meh'
class BasicFunctionality(unittest.TestCase):
def test_request_dispatching(self):
app = flask.Flask(__name__)
@app.route('/')
def index():
return flask.request.method
@app.route('/more', methods=['GET', 'POST'])
def more():
return flask.request.method
c = app.test_client()
assert c.get('/').data == 'GET'
rv = c.post('/')
assert rv.status_code == 405
assert sorted(rv.allow) == ['GET', 'HEAD']
rv = c.head('/')
assert rv.status_code == 200
assert not rv.data # head truncates
assert c.post('/more').data == 'POST'
assert c.get('/more').data == 'GET'
rv = c.delete('/more')
assert rv.status_code == 405
assert sorted(rv.allow) == ['GET', 'HEAD', 'POST']
def test_session(self):
app = flask.Flask(__name__)
app.secret_key = 'testkey'
@app.route('/set', methods=['POST'])
def set():
flask.session['value'] = flask.request.form['value']
return 'value set'
@app.route('/get')
def get():
return flask.session['value']
c = app.test_client()
assert c.post('/set', data={'value': '42'}).data == 'value set'
assert c.get('/get').data == '42'
def test_request_processing(self):
app = flask.Flask(__name__)
evts = []
@app.request_init
def before_request():
evts.append('before')
@app.request_shutdown
def after_request(response):
response.data += '|after'
evts.append('after')
return response
@app.route('/')
def index():
assert 'before' in evts
assert 'after' not in evts
return 'request'
assert 'after' not in evts
rv = app.test_client().get('/').data
assert 'after' in evts
assert rv == 'request|after'
def test_error_handling(self):
app = flask.Flask(__name__)
@app.errorhandler(404)
def not_found(e):
return 'not found', 404
@app.errorhandler(500)
def internal_server_error(e):
return 'internal server error', 500
@app.route('/')
def index():
flask.abort(404)
@app.route('/error')
def error():
1/0
c = app.test_client()
rv = c.get('/')
assert rv.status_code == 404
assert rv.data == 'not found'
rv = c.get('/error')
assert rv.status_code == 500
assert 'internal server error' in rv.data
def test_response_creation(self):
app = flask.Flask(__name__)
@app.route('/unicode')
def from_unicode():
return u'Hällo Wörld'
@app.route('/string')
def from_string():
return u'Hällo Wörld'.encode('utf-8')
@app.route('/args')
def from_tuple():
return 'Meh', 400, {'X-Foo': 'Testing'}, 'text/plain'
c = app.test_client()
assert c.get('/unicode').data == u'Hällo Wörld'.encode('utf-8')
assert c.get('/string').data == u'Hällo Wörld'.encode('utf-8')
rv = c.get('/args')
assert rv.data == 'Meh'
assert rv.headers['X-Foo'] == 'Testing'
assert rv.status_code == 400
assert rv.mimetype == 'text/plain'
def test_url_generation(self):
app = flask.Flask(__name__)
@app.route('/hello/<name>', methods=['POST'])
def hello():
pass
with app.test_request_context():
assert flask.url_for('hello', name='test x') == '/hello/test%20x'
class Templating(unittest.TestCase):
def test_context_processing(self):
app = flask.Flask(__name__)
@app.context_processor
def context_processor():
return {'injected_value': 42}
@app.route('/')
def index():
return flask.render_template('context_template.html', value=23)
rv = app.test_client().get('/')
assert rv.data == '<p>23|42'
def test_escaping(self):
text = '<p>Hello World!'
app = flask.Flask(__name__)
@app.route('/')
def index():
return flask.render_template('escaping_template.html', text=text,
html=flask.Markup(text))
lines = app.test_client().get('/').data.splitlines()
assert lines == [
'&lt;p&gt;Hello World!',
'<p>Hello World!',
'<p>Hello World!',
'<p>Hello World!',
'&lt;p&gt;Hello World!',
'<p>Hello World!'
]
if __name__ == '__main__':
unittest.main()
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