mirror of https://github.com/pallets/flask.git
318 lines
8.1 KiB
Python
318 lines
8.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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tests.testing
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~~~~~~~~~~~~~
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Test client and more.
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:copyright: (c) 2015 by Armin Ronacher.
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:license: BSD, see LICENSE for more details.
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"""
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import pytest
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import flask
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import werkzeug
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from flask._compat import text_type
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from flask.json import jsonify
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def test_environ_defaults_from_config(app, client):
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app.config['SERVER_NAME'] = 'example.com:1234'
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app.config['APPLICATION_ROOT'] = '/foo'
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@app.route('/')
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def index():
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return flask.request.url
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ctx = app.test_request_context()
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assert ctx.request.url == 'http://example.com:1234/foo/'
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rv = client.get('/')
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assert rv.data == b'http://example.com:1234/foo/'
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def test_environ_defaults(app, client, app_ctx, req_ctx):
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@app.route('/')
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def index():
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return flask.request.url
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ctx = app.test_request_context()
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assert ctx.request.url == 'http://localhost/'
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with client:
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rv = client.get('/')
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assert rv.data == b'http://localhost/'
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def test_environ_base_default(app, client, app_ctx):
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@app.route('/')
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def index():
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flask.g.user_agent = flask.request.headers["User-Agent"]
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return flask.request.remote_addr
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rv = client.get('/')
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assert rv.data == b'127.0.0.1'
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assert flask.g.user_agent == 'werkzeug/' + werkzeug.__version__
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def test_environ_base_modified(app, client, app_ctx):
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@app.route('/')
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def index():
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flask.g.user_agent = flask.request.headers["User-Agent"]
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return flask.request.remote_addr
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client.environ_base['REMOTE_ADDR'] = '0.0.0.0'
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client.environ_base['HTTP_USER_AGENT'] = 'Foo'
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rv = client.get('/')
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assert rv.data == b'0.0.0.0'
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assert flask.g.user_agent == 'Foo'
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client.environ_base['REMOTE_ADDR'] = '0.0.0.1'
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client.environ_base['HTTP_USER_AGENT'] = 'Bar'
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rv = client.get('/')
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assert rv.data == b'0.0.0.1'
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assert flask.g.user_agent == 'Bar'
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def test_specify_url_scheme(app, client):
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@app.route('/')
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def index():
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return flask.request.url
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ctx = app.test_request_context(url_scheme='https')
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assert ctx.request.url == 'https://localhost/'
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rv = client.get('/', url_scheme='https')
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assert rv.data == b'https://localhost/'
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def test_blueprint_with_subdomain(app, client):
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app.config['SERVER_NAME'] = 'example.com:1234'
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app.config['APPLICATION_ROOT'] = '/foo'
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bp = flask.Blueprint('company', __name__, subdomain='xxx')
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@bp.route('/')
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def index():
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return flask.request.url
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app.register_blueprint(bp)
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ctx = app.test_request_context('/', subdomain='xxx')
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assert ctx.request.url == 'http://xxx.example.com:1234/foo/'
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assert ctx.request.blueprint == bp.name
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rv = client.get('/', subdomain='xxx')
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assert rv.data == b'http://xxx.example.com:1234/foo/'
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def test_redirect_keep_session(app, client, app_ctx):
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app.secret_key = 'testing'
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@app.route('/', methods=['GET', 'POST'])
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def index():
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if flask.request.method == 'POST':
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return flask.redirect('/getsession')
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flask.session['data'] = 'foo'
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return 'index'
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@app.route('/getsession')
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def get_session():
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return flask.session.get('data', '<missing>')
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with client:
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rv = client.get('/getsession')
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assert rv.data == b'<missing>'
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rv = client.get('/')
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assert rv.data == b'index'
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assert flask.session.get('data') == 'foo'
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rv = client.post('/', data={}, follow_redirects=True)
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assert rv.data == b'foo'
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# This support requires a new Werkzeug version
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if not hasattr(client, 'redirect_client'):
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assert flask.session.get('data') == 'foo'
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rv = client.get('/getsession')
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assert rv.data == b'foo'
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def test_session_transactions(app, client):
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app.secret_key = 'testing'
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@app.route('/')
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def index():
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return text_type(flask.session['foo'])
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with client:
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with client.session_transaction() as sess:
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assert len(sess) == 0
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sess['foo'] = [42]
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assert len(sess) == 1
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rv = client.get('/')
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assert rv.data == b'[42]'
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with client.session_transaction() as sess:
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assert len(sess) == 1
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assert sess['foo'] == [42]
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def test_session_transactions_no_null_sessions():
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app = flask.Flask(__name__)
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app.testing = True
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with app.test_client() as c:
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with pytest.raises(RuntimeError) as e:
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with c.session_transaction() as sess:
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pass
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assert 'Session backend did not open a session' in str(e.value)
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def test_session_transactions_keep_context(app, client, req_ctx):
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app.secret_key = 'testing'
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rv = client.get('/')
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req = flask.request._get_current_object()
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assert req is not None
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with client.session_transaction():
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assert req is flask.request._get_current_object()
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def test_session_transaction_needs_cookies(app):
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c = app.test_client(use_cookies=False)
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with pytest.raises(RuntimeError) as e:
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with c.session_transaction() as s:
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pass
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assert 'cookies' in str(e.value)
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def test_test_client_context_binding(app, client):
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app.config['LOGGER_HANDLER_POLICY'] = 'never'
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app.testing = False
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@app.route('/')
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def index():
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flask.g.value = 42
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return 'Hello World!'
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@app.route('/other')
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def other():
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1 // 0
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with client:
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resp = client.get('/')
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assert flask.g.value == 42
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assert resp.data == b'Hello World!'
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assert resp.status_code == 200
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resp = client.get('/other')
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assert not hasattr(flask.g, 'value')
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assert b'Internal Server Error' in resp.data
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assert resp.status_code == 500
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flask.g.value = 23
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try:
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flask.g.value
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except (AttributeError, RuntimeError):
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pass
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else:
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raise AssertionError('some kind of exception expected')
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def test_reuse_client(client):
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c = client
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with c:
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assert client.get('/').status_code == 404
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with c:
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assert client.get('/').status_code == 404
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def test_test_client_calls_teardown_handlers(app, client):
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called = []
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@app.teardown_request
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def remember(error):
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called.append(error)
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with client:
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assert called == []
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client.get('/')
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assert called == []
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assert called == [None]
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del called[:]
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with client:
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assert called == []
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client.get('/')
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assert called == []
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client.get('/')
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assert called == [None]
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assert called == [None, None]
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def test_full_url_request(app, client):
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@app.route('/action', methods=['POST'])
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def action():
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return 'x'
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with client:
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rv = client.post('http://domain.com/action?vodka=42', data={'gin': 43})
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assert rv.status_code == 200
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assert 'gin' in flask.request.form
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assert 'vodka' in flask.request.args
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def test_json_request_and_response(app, client):
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@app.route('/echo', methods=['POST'])
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def echo():
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return jsonify(flask.request.get_json())
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with client:
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json_data = {'drink': {'gin': 1, 'tonic': True}, 'price': 10}
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rv = client.post('/echo', json=json_data)
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# Request should be in JSON
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assert flask.request.is_json
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assert flask.request.get_json() == json_data
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# Response should be in JSON
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assert rv.status_code == 200
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assert rv.is_json
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assert rv.get_json() == json_data
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def test_subdomain(app, client):
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app.config['SERVER_NAME'] = 'example.com'
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@app.route('/', subdomain='<company_id>')
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def view(company_id):
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return company_id
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with app.test_request_context():
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url = flask.url_for('view', company_id='xxx')
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with client:
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response = client.get(url)
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assert 200 == response.status_code
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assert b'xxx' == response.data
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def test_nosubdomain(app, client):
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app.config['SERVER_NAME'] = 'example.com'
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@app.route('/<company_id>')
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def view(company_id):
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return company_id
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with app.test_request_context():
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url = flask.url_for('view', company_id='xxx')
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with client:
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response = client.get(url)
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assert 200 == response.status_code
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assert b'xxx' == response.data
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