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# -*- coding: utf-8 -*-
"""
tests.testing
~~~~~~~~~~~~~~~~~~~~~~~
Test client and more.
:copyright: (c) 2014 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
import pytest
import flask
import unittest
from flask._compat import text_type
def test_environ_defaults_from_config():
app = flask.Flask(__name__)
app.testing = True
app.config['SERVER_NAME'] = 'example.com:1234'
app.config['APPLICATION_ROOT'] = '/foo'
@app.route('/')
def index():
return flask.request.url
ctx = app.test_request_context()
assert ctx.request.url == 'http://example.com:1234/foo/'
with app.test_client() as c:
rv = c.get('/')
assert rv.data == b'http://example.com:1234/foo/'
def test_environ_defaults():
app = flask.Flask(__name__)
app.testing = True
@app.route('/')
def index():
return flask.request.url
ctx = app.test_request_context()
assert ctx.request.url == 'http://localhost/'
with app.test_client() as c:
rv = c.get('/')
assert rv.data == b'http://localhost/'
def test_redirect_keep_session():
app = flask.Flask(__name__)
app.secret_key = 'testing'
@app.route('/', methods=['GET', 'POST'])
def index():
if flask.request.method == 'POST':
return flask.redirect('/getsession')
flask.session['data'] = 'foo'
return 'index'
@app.route('/getsession')
def get_session():
return flask.session.get('data', '<missing>')
with app.test_client() as c:
rv = c.get('/getsession')
assert rv.data == b'<missing>'
rv = c.get('/')
assert rv.data == b'index'
assert flask.session.get('data') == 'foo'
rv = c.post('/', data={}, follow_redirects=True)
assert rv.data == b'foo'
# This support requires a new Werkzeug version
if not hasattr(c, 'redirect_client'):
assert flask.session.get('data') == 'foo'
rv = c.get('/getsession')
assert rv.data == b'foo'
def test_session_transactions():
app = flask.Flask(__name__)
app.testing = True
app.secret_key = 'testing'
@app.route('/')
def index():
return text_type(flask.session['foo'])
with app.test_client() as c:
with c.session_transaction() as sess:
assert len(sess) == 0
sess['foo'] = [42]
assert len(sess) == 1
rv = c.get('/')
assert rv.data == b'[42]'
with c.session_transaction() as sess:
assert len(sess) == 1
assert sess['foo'] == [42]
def test_session_transactions_no_null_sessions():
app = flask.Flask(__name__)
app.testing = True
with app.test_client() as c:
try:
with c.session_transaction() as sess:
pass
except RuntimeError as e:
assert 'Session backend did not open a session' in str(e)
else:
assert False, 'Expected runtime error'
def test_session_transactions_keep_context():
app = flask.Flask(__name__)
app.testing = True
app.secret_key = 'testing'
with app.test_client() as c:
rv = c.get('/')
req = flask.request._get_current_object()
assert req is not None
with c.session_transaction():
assert req is flask.request._get_current_object()
def test_session_transaction_needs_cookies():
app = flask.Flask(__name__)
app.testing = True
c = app.test_client(use_cookies=False)
try:
with c.session_transaction() as s:
pass
except RuntimeError as e:
assert 'cookies' in str(e)
else:
assert False, 'Expected runtime error'
def test_test_client_context_binding():
app = flask.Flask(__name__)
app.config['LOGGER_HANDLER_POLICY'] = 'never'
@app.route('/')
def index():
flask.g.value = 42
return 'Hello World!'
@app.route('/other')
def other():
1 // 0
with app.test_client() as c:
resp = c.get('/')
assert flask.g.value == 42
assert resp.data == b'Hello World!'
assert resp.status_code == 200
resp = c.get('/other')
assert not hasattr(flask.g, 'value')
assert b'Internal Server Error' in resp.data
assert resp.status_code == 500
flask.g.value = 23
try:
flask.g.value
except (AttributeError, RuntimeError):
pass
else:
raise AssertionError('some kind of exception expected')
def test_reuse_client():
app = flask.Flask(__name__)
c = app.test_client()
with c:
assert c.get('/').status_code == 404
with c:
assert c.get('/').status_code == 404
def test_test_client_calls_teardown_handlers():
app = flask.Flask(__name__)
called = []
@app.teardown_request
def remember(error):
called.append(error)
with app.test_client() as c:
assert called == []
c.get('/')
assert called == []
assert called == [None]
del called[:]
with app.test_client() as c:
assert called == []
c.get('/')
assert called == []
c.get('/')
assert called == [None]
assert called == [None, None]
def test_full_url_request():
app = flask.Flask(__name__)
app.testing = True
@app.route('/action', methods=['POST'])
def action():
return 'x'
with app.test_client() as c:
rv = c.post('http://domain.com/action?vodka=42', data={'gin': 43})
assert rv.status_code == 200
assert 'gin' in flask.request.form
assert 'vodka' in flask.request.args
def test_subdomain():
app = flask.Flask(__name__)
app.config['SERVER_NAME'] = 'example.com'
@app.route('/', subdomain='<company_id>')
def view(company_id):
return company_id
with app.test_request_context():
url = flask.url_for('view', company_id='xxx')
with app.test_client() as c:
response = c.get(url)
assert 200 == response.status_code
assert b'xxx' == response.data
def test_nosubdomain():
app = flask.Flask(__name__)
app.config['SERVER_NAME'] = 'example.com'
@app.route('/<company_id>')
def view(company_id):
return company_id
with app.test_request_context():
url = flask.url_for('view', company_id='xxx')
with app.test_client() as c:
response = c.get(url)
assert 200 == response.status_code
assert b'xxx' == response.data