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749 lines
22 KiB
749 lines
22 KiB
# -*- coding: utf-8 -*- |
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""" |
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tests.blueprints |
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~~~~~~~~~~~~~~~~ |
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Blueprints (and currently modules) |
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|
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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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|
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import pytest |
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|
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import flask |
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|
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from flask._compat import text_type |
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from werkzeug.http import parse_cache_control_header |
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from jinja2 import TemplateNotFound |
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def test_blueprint_specific_error_handling(): |
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frontend = flask.Blueprint('frontend', __name__) |
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backend = flask.Blueprint('backend', __name__) |
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sideend = flask.Blueprint('sideend', __name__) |
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|
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@frontend.errorhandler(403) |
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def frontend_forbidden(e): |
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return 'frontend says no', 403 |
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@frontend.route('/frontend-no') |
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def frontend_no(): |
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flask.abort(403) |
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@backend.errorhandler(403) |
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def backend_forbidden(e): |
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return 'backend says no', 403 |
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@backend.route('/backend-no') |
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def backend_no(): |
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flask.abort(403) |
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@sideend.route('/what-is-a-sideend') |
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def sideend_no(): |
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flask.abort(403) |
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app = flask.Flask(__name__) |
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app.register_blueprint(frontend) |
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app.register_blueprint(backend) |
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app.register_blueprint(sideend) |
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@app.errorhandler(403) |
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def app_forbidden(e): |
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return 'application itself says no', 403 |
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c = app.test_client() |
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assert c.get('/frontend-no').data == b'frontend says no' |
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assert c.get('/backend-no').data == b'backend says no' |
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assert c.get('/what-is-a-sideend').data == b'application itself says no' |
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|
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def test_blueprint_specific_user_error_handling(): |
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class MyDecoratorException(Exception): |
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pass |
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class MyFunctionException(Exception): |
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pass |
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blue = flask.Blueprint('blue', __name__) |
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@blue.errorhandler(MyDecoratorException) |
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def my_decorator_exception_handler(e): |
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assert isinstance(e, MyDecoratorException) |
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return 'boom' |
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|
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def my_function_exception_handler(e): |
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assert isinstance(e, MyFunctionException) |
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return 'bam' |
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blue.register_error_handler(MyFunctionException, my_function_exception_handler) |
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|
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@blue.route('/decorator') |
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def blue_deco_test(): |
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raise MyDecoratorException() |
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@blue.route('/function') |
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def blue_func_test(): |
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raise MyFunctionException() |
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app = flask.Flask(__name__) |
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app.register_blueprint(blue) |
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c = app.test_client() |
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assert c.get('/decorator').data == b'boom' |
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assert c.get('/function').data == b'bam' |
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def test_blueprint_app_error_handling(): |
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errors = flask.Blueprint('errors', __name__) |
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|
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@errors.app_errorhandler(403) |
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def forbidden_handler(e): |
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return 'you shall not pass', 403 |
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app = flask.Flask(__name__) |
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@app.route('/forbidden') |
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def app_forbidden(): |
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flask.abort(403) |
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forbidden_bp = flask.Blueprint('forbidden_bp', __name__) |
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@forbidden_bp.route('/nope') |
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def bp_forbidden(): |
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flask.abort(403) |
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app.register_blueprint(errors) |
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app.register_blueprint(forbidden_bp) |
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c = app.test_client() |
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assert c.get('/forbidden').data == b'you shall not pass' |
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assert c.get('/nope').data == b'you shall not pass' |
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def test_blueprint_url_definitions(): |
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bp = flask.Blueprint('test', __name__) |
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@bp.route('/foo', defaults={'baz': 42}) |
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def foo(bar, baz): |
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return '%s/%d' % (bar, baz) |
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@bp.route('/bar') |
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def bar(bar): |
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return text_type(bar) |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/1', url_defaults={'bar': 23}) |
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app.register_blueprint(bp, url_prefix='/2', url_defaults={'bar': 19}) |
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c = app.test_client() |
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assert c.get('/1/foo').data == b'23/42' |
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assert c.get('/2/foo').data == b'19/42' |
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assert c.get('/1/bar').data == b'23' |
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assert c.get('/2/bar').data == b'19' |
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|
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def test_blueprint_url_processors(): |
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bp = flask.Blueprint('frontend', __name__, url_prefix='/<lang_code>') |
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@bp.url_defaults |
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def add_language_code(endpoint, values): |
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values.setdefault('lang_code', flask.g.lang_code) |
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|
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@bp.url_value_preprocessor |
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def pull_lang_code(endpoint, values): |
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flask.g.lang_code = values.pop('lang_code') |
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@bp.route('/') |
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def index(): |
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return flask.url_for('.about') |
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@bp.route('/about') |
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def about(): |
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return flask.url_for('.index') |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp) |
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c = app.test_client() |
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assert c.get('/de/').data == b'/de/about' |
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assert c.get('/de/about').data == b'/de/' |
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def test_templates_and_static(test_apps): |
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from blueprintapp import app |
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c = app.test_client() |
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rv = c.get('/') |
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assert rv.data == b'Hello from the Frontend' |
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rv = c.get('/admin/') |
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assert rv.data == b'Hello from the Admin' |
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rv = c.get('/admin/index2') |
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assert rv.data == b'Hello from the Admin' |
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rv = c.get('/admin/static/test.txt') |
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assert rv.data.strip() == b'Admin File' |
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rv.close() |
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rv = c.get('/admin/static/css/test.css') |
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assert rv.data.strip() == b'/* nested file */' |
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rv.close() |
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# try/finally, in case other tests use this app for Blueprint tests. |
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max_age_default = app.config['SEND_FILE_MAX_AGE_DEFAULT'] |
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try: |
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expected_max_age = 3600 |
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if app.config['SEND_FILE_MAX_AGE_DEFAULT'] == expected_max_age: |
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expected_max_age = 7200 |
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app.config['SEND_FILE_MAX_AGE_DEFAULT'] = expected_max_age |
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rv = c.get('/admin/static/css/test.css') |
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cc = parse_cache_control_header(rv.headers['Cache-Control']) |
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assert cc.max_age == expected_max_age |
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rv.close() |
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finally: |
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app.config['SEND_FILE_MAX_AGE_DEFAULT'] = max_age_default |
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with app.test_request_context(): |
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assert flask.url_for('admin.static', filename='test.txt') == '/admin/static/test.txt' |
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with app.test_request_context(): |
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with pytest.raises(TemplateNotFound) as e: |
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flask.render_template('missing.html') |
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assert e.value.name == 'missing.html' |
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with flask.Flask(__name__).test_request_context(): |
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assert flask.render_template('nested/nested.txt') == 'I\'m nested' |
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def test_default_static_cache_timeout(): |
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app = flask.Flask(__name__) |
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class MyBlueprint(flask.Blueprint): |
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def get_send_file_max_age(self, filename): |
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return 100 |
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blueprint = MyBlueprint('blueprint', __name__, static_folder='static') |
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app.register_blueprint(blueprint) |
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# try/finally, in case other tests use this app for Blueprint tests. |
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max_age_default = app.config['SEND_FILE_MAX_AGE_DEFAULT'] |
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try: |
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with app.test_request_context(): |
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unexpected_max_age = 3600 |
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if app.config['SEND_FILE_MAX_AGE_DEFAULT'] == unexpected_max_age: |
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unexpected_max_age = 7200 |
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app.config['SEND_FILE_MAX_AGE_DEFAULT'] = unexpected_max_age |
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rv = blueprint.send_static_file('index.html') |
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cc = parse_cache_control_header(rv.headers['Cache-Control']) |
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assert cc.max_age == 100 |
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rv.close() |
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finally: |
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app.config['SEND_FILE_MAX_AGE_DEFAULT'] = max_age_default |
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def test_templates_list(test_apps): |
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from blueprintapp import app |
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templates = sorted(app.jinja_env.list_templates()) |
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assert templates == ['admin/index.html', 'frontend/index.html'] |
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def test_dotted_names(): |
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frontend = flask.Blueprint('myapp.frontend', __name__) |
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backend = flask.Blueprint('myapp.backend', __name__) |
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@frontend.route('/fe') |
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def frontend_index(): |
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return flask.url_for('myapp.backend.backend_index') |
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@frontend.route('/fe2') |
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def frontend_page2(): |
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return flask.url_for('.frontend_index') |
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@backend.route('/be') |
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def backend_index(): |
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return flask.url_for('myapp.frontend.frontend_index') |
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app = flask.Flask(__name__) |
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app.register_blueprint(frontend) |
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app.register_blueprint(backend) |
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c = app.test_client() |
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assert c.get('/fe').data.strip() == b'/be' |
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assert c.get('/fe2').data.strip() == b'/fe' |
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assert c.get('/be').data.strip() == b'/fe' |
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def test_dotted_names_from_app(): |
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app = flask.Flask(__name__) |
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app.testing = True |
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test = flask.Blueprint('test', __name__) |
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@app.route('/') |
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def app_index(): |
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return flask.url_for('test.index') |
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@test.route('/test/') |
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def index(): |
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return flask.url_for('app_index') |
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app.register_blueprint(test) |
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with app.test_client() as c: |
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rv = c.get('/') |
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assert rv.data == b'/test/' |
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def test_empty_url_defaults(): |
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bp = flask.Blueprint('bp', __name__) |
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@bp.route('/', defaults={'page': 1}) |
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@bp.route('/page/<int:page>') |
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def something(page): |
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return str(page) |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp) |
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c = app.test_client() |
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assert c.get('/').data == b'1' |
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assert c.get('/page/2').data == b'2' |
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def test_route_decorator_custom_endpoint(): |
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bp = flask.Blueprint('bp', __name__) |
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@bp.route('/foo') |
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def foo(): |
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return flask.request.endpoint |
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@bp.route('/bar', endpoint='bar') |
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def foo_bar(): |
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return flask.request.endpoint |
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@bp.route('/bar/123', endpoint='123') |
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def foo_bar_foo(): |
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return flask.request.endpoint |
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@bp.route('/bar/foo') |
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def bar_foo(): |
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return flask.request.endpoint |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/py') |
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@app.route('/') |
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def index(): |
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return flask.request.endpoint |
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c = app.test_client() |
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assert c.get('/').data == b'index' |
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assert c.get('/py/foo').data == b'bp.foo' |
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assert c.get('/py/bar').data == b'bp.bar' |
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assert c.get('/py/bar/123').data == b'bp.123' |
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assert c.get('/py/bar/foo').data == b'bp.bar_foo' |
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def test_route_decorator_custom_endpoint_with_dots(): |
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bp = flask.Blueprint('bp', __name__) |
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|
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@bp.route('/foo') |
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def foo(): |
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return flask.request.endpoint |
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|
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try: |
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@bp.route('/bar', endpoint='bar.bar') |
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def foo_bar(): |
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return flask.request.endpoint |
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except AssertionError: |
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pass |
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else: |
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raise AssertionError('expected AssertionError not raised') |
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|
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try: |
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@bp.route('/bar/123', endpoint='bar.123') |
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def foo_bar_foo(): |
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return flask.request.endpoint |
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except AssertionError: |
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pass |
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else: |
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raise AssertionError('expected AssertionError not raised') |
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|
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def foo_foo_foo(): |
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pass |
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|
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pytest.raises( |
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AssertionError, |
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lambda: bp.add_url_rule( |
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'/bar/123', endpoint='bar.123', view_func=foo_foo_foo |
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) |
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) |
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|
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pytest.raises( |
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AssertionError, |
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bp.route('/bar/123', endpoint='bar.123'), |
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lambda: None |
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) |
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|
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/py') |
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|
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c = app.test_client() |
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assert c.get('/py/foo').data == b'bp.foo' |
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# The rule's didn't actually made it through |
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rv = c.get('/py/bar') |
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assert rv.status_code == 404 |
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rv = c.get('/py/bar/123') |
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assert rv.status_code == 404 |
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|
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def test_endpoint_decorator(): |
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from werkzeug.routing import Rule |
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app = flask.Flask(__name__) |
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app.url_map.add(Rule('/foo', endpoint='bar')) |
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|
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bp = flask.Blueprint('bp', __name__) |
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@bp.endpoint('bar') |
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def foobar(): |
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return flask.request.endpoint |
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|
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app.register_blueprint(bp, url_prefix='/bp_prefix') |
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|
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c = app.test_client() |
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assert c.get('/foo').data == b'bar' |
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assert c.get('/bp_prefix/bar').status_code == 404 |
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|
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def test_template_filter(): |
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bp = flask.Blueprint('bp', __name__) |
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@bp.app_template_filter() |
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def my_reverse(s): |
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return s[::-1] |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/py') |
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assert 'my_reverse' in app.jinja_env.filters.keys() |
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assert app.jinja_env.filters['my_reverse'] == my_reverse |
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assert app.jinja_env.filters['my_reverse']('abcd') == 'dcba' |
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|
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def test_add_template_filter(): |
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bp = flask.Blueprint('bp', __name__) |
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def my_reverse(s): |
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return s[::-1] |
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bp.add_app_template_filter(my_reverse) |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/py') |
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assert 'my_reverse' in app.jinja_env.filters.keys() |
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assert app.jinja_env.filters['my_reverse'] == my_reverse |
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assert app.jinja_env.filters['my_reverse']('abcd') == 'dcba' |
|
|
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def test_template_filter_with_name(): |
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bp = flask.Blueprint('bp', __name__) |
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@bp.app_template_filter('strrev') |
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def my_reverse(s): |
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return s[::-1] |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/py') |
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assert 'strrev' in app.jinja_env.filters.keys() |
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assert app.jinja_env.filters['strrev'] == my_reverse |
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assert app.jinja_env.filters['strrev']('abcd') == 'dcba' |
|
|
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def test_add_template_filter_with_name(): |
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bp = flask.Blueprint('bp', __name__) |
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def my_reverse(s): |
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return s[::-1] |
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bp.add_app_template_filter(my_reverse, 'strrev') |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/py') |
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assert 'strrev' in app.jinja_env.filters.keys() |
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assert app.jinja_env.filters['strrev'] == my_reverse |
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assert app.jinja_env.filters['strrev']('abcd') == 'dcba' |
|
|
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def test_template_filter_with_template(): |
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bp = flask.Blueprint('bp', __name__) |
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@bp.app_template_filter() |
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def super_reverse(s): |
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return s[::-1] |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/py') |
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@app.route('/') |
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def index(): |
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return flask.render_template('template_filter.html', value='abcd') |
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rv = app.test_client().get('/') |
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assert rv.data == b'dcba' |
|
|
|
def test_template_filter_after_route_with_template(): |
|
app = flask.Flask(__name__) |
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@app.route('/') |
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def index(): |
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return flask.render_template('template_filter.html', value='abcd') |
|
bp = flask.Blueprint('bp', __name__) |
|
@bp.app_template_filter() |
|
def super_reverse(s): |
|
return s[::-1] |
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app.register_blueprint(bp, url_prefix='/py') |
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rv = app.test_client().get('/') |
|
assert rv.data == b'dcba' |
|
|
|
def test_add_template_filter_with_template(): |
|
bp = flask.Blueprint('bp', __name__) |
|
def super_reverse(s): |
|
return s[::-1] |
|
bp.add_app_template_filter(super_reverse) |
|
app = flask.Flask(__name__) |
|
app.register_blueprint(bp, url_prefix='/py') |
|
@app.route('/') |
|
def index(): |
|
return flask.render_template('template_filter.html', value='abcd') |
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rv = app.test_client().get('/') |
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assert rv.data == b'dcba' |
|
|
|
def test_template_filter_with_name_and_template(): |
|
bp = flask.Blueprint('bp', __name__) |
|
@bp.app_template_filter('super_reverse') |
|
def my_reverse(s): |
|
return s[::-1] |
|
app = flask.Flask(__name__) |
|
app.register_blueprint(bp, url_prefix='/py') |
|
@app.route('/') |
|
def index(): |
|
return flask.render_template('template_filter.html', value='abcd') |
|
rv = app.test_client().get('/') |
|
assert rv.data == b'dcba' |
|
|
|
def test_add_template_filter_with_name_and_template(): |
|
bp = flask.Blueprint('bp', __name__) |
|
def my_reverse(s): |
|
return s[::-1] |
|
bp.add_app_template_filter(my_reverse, 'super_reverse') |
|
app = flask.Flask(__name__) |
|
app.register_blueprint(bp, url_prefix='/py') |
|
@app.route('/') |
|
def index(): |
|
return flask.render_template('template_filter.html', value='abcd') |
|
rv = app.test_client().get('/') |
|
assert rv.data == b'dcba' |
|
|
|
def test_template_test(): |
|
bp = flask.Blueprint('bp', __name__) |
|
@bp.app_template_test() |
|
def is_boolean(value): |
|
return isinstance(value, bool) |
|
app = flask.Flask(__name__) |
|
app.register_blueprint(bp, url_prefix='/py') |
|
assert 'is_boolean' in app.jinja_env.tests.keys() |
|
assert app.jinja_env.tests['is_boolean'] == is_boolean |
|
assert app.jinja_env.tests['is_boolean'](False) |
|
|
|
def test_add_template_test(): |
|
bp = flask.Blueprint('bp', __name__) |
|
def is_boolean(value): |
|
return isinstance(value, bool) |
|
bp.add_app_template_test(is_boolean) |
|
app = flask.Flask(__name__) |
|
app.register_blueprint(bp, url_prefix='/py') |
|
assert 'is_boolean' in app.jinja_env.tests.keys() |
|
assert app.jinja_env.tests['is_boolean'] == is_boolean |
|
assert app.jinja_env.tests['is_boolean'](False) |
|
|
|
def test_template_test_with_name(): |
|
bp = flask.Blueprint('bp', __name__) |
|
@bp.app_template_test('boolean') |
|
def is_boolean(value): |
|
return isinstance(value, bool) |
|
app = flask.Flask(__name__) |
|
app.register_blueprint(bp, url_prefix='/py') |
|
assert 'boolean' in app.jinja_env.tests.keys() |
|
assert app.jinja_env.tests['boolean'] == is_boolean |
|
assert app.jinja_env.tests['boolean'](False) |
|
|
|
def test_add_template_test_with_name(): |
|
bp = flask.Blueprint('bp', __name__) |
|
def is_boolean(value): |
|
return isinstance(value, bool) |
|
bp.add_app_template_test(is_boolean, 'boolean') |
|
app = flask.Flask(__name__) |
|
app.register_blueprint(bp, url_prefix='/py') |
|
assert 'boolean' in app.jinja_env.tests.keys() |
|
assert app.jinja_env.tests['boolean'] == is_boolean |
|
assert app.jinja_env.tests['boolean'](False) |
|
|
|
def test_template_test_with_template(): |
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bp = flask.Blueprint('bp', __name__) |
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@bp.app_template_test() |
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def boolean(value): |
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return isinstance(value, bool) |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/py') |
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@app.route('/') |
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def index(): |
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return flask.render_template('template_test.html', value=False) |
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rv = app.test_client().get('/') |
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assert b'Success!' in rv.data |
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|
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def test_template_test_after_route_with_template(): |
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app = flask.Flask(__name__) |
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@app.route('/') |
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def index(): |
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return flask.render_template('template_test.html', value=False) |
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bp = flask.Blueprint('bp', __name__) |
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@bp.app_template_test() |
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def boolean(value): |
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return isinstance(value, bool) |
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app.register_blueprint(bp, url_prefix='/py') |
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rv = app.test_client().get('/') |
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assert b'Success!' in rv.data |
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|
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def test_add_template_test_with_template(): |
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bp = flask.Blueprint('bp', __name__) |
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def boolean(value): |
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return isinstance(value, bool) |
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bp.add_app_template_test(boolean) |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/py') |
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@app.route('/') |
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def index(): |
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return flask.render_template('template_test.html', value=False) |
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rv = app.test_client().get('/') |
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assert b'Success!' in rv.data |
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|
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def test_template_test_with_name_and_template(): |
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bp = flask.Blueprint('bp', __name__) |
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@bp.app_template_test('boolean') |
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def is_boolean(value): |
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return isinstance(value, bool) |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/py') |
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@app.route('/') |
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def index(): |
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return flask.render_template('template_test.html', value=False) |
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rv = app.test_client().get('/') |
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assert b'Success!' in rv.data |
|
|
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def test_add_template_test_with_name_and_template(): |
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bp = flask.Blueprint('bp', __name__) |
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def is_boolean(value): |
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return isinstance(value, bool) |
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bp.add_app_template_test(is_boolean, 'boolean') |
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app = flask.Flask(__name__) |
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app.register_blueprint(bp, url_prefix='/py') |
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@app.route('/') |
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def index(): |
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return flask.render_template('template_test.html', value=False) |
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rv = app.test_client().get('/') |
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assert b'Success!' in rv.data |
|
|
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def test_context_processing(): |
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app = flask.Flask(__name__) |
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answer_bp = flask.Blueprint('answer_bp', __name__) |
|
|
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template_string = lambda: flask.render_template_string( |
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'{% if notanswer %}{{ notanswer }} is not the answer. {% endif %}' |
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'{% if answer %}{{ answer }} is the answer.{% endif %}' |
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) |
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|
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# App global context processor |
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@answer_bp.app_context_processor |
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def not_answer_context_processor(): |
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return {'notanswer': 43} |
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|
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# Blueprint local context processor |
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@answer_bp.context_processor |
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def answer_context_processor(): |
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return {'answer': 42} |
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|
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# Setup endpoints for testing |
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@answer_bp.route('/bp') |
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def bp_page(): |
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return template_string() |
|
|
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@app.route('/') |
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def app_page(): |
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return template_string() |
|
|
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# Register the blueprint |
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app.register_blueprint(answer_bp) |
|
|
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c = app.test_client() |
|
|
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app_page_bytes = c.get('/').data |
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answer_page_bytes = c.get('/bp').data |
|
|
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assert b'43' in app_page_bytes |
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assert b'42' not in app_page_bytes |
|
|
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assert b'42' in answer_page_bytes |
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assert b'43' in answer_page_bytes |
|
|
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def test_template_global(): |
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app = flask.Flask(__name__) |
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bp = flask.Blueprint('bp', __name__) |
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@bp.app_template_global() |
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def get_answer(): |
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return 42 |
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# Make sure the function is not in the jinja_env already |
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assert 'get_answer' not in app.jinja_env.globals.keys() |
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app.register_blueprint(bp) |
|
|
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# Tests |
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assert 'get_answer' in app.jinja_env.globals.keys() |
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assert app.jinja_env.globals['get_answer'] is get_answer |
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assert app.jinja_env.globals['get_answer']() == 42 |
|
|
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with app.app_context(): |
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rv = flask.render_template_string('{{ get_answer() }}') |
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assert rv == '42' |
|
|
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def test_request_processing(): |
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app = flask.Flask(__name__) |
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bp = flask.Blueprint('bp', __name__) |
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evts = [] |
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@bp.before_request |
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def before_bp(): |
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evts.append('before') |
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@bp.after_request |
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def after_bp(response): |
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response.data += b'|after' |
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evts.append('after') |
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return response |
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@bp.teardown_request |
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def teardown_bp(exc): |
|
evts.append('teardown') |
|
|
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# Setup routes for testing |
|
@bp.route('/bp') |
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def bp_endpoint(): |
|
return 'request' |
|
|
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app.register_blueprint(bp) |
|
|
|
assert evts == [] |
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rv = app.test_client().get('/bp') |
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assert rv.data == b'request|after' |
|
assert evts == ['before', 'after', 'teardown'] |
|
|
|
def test_app_request_processing(): |
|
app = flask.Flask(__name__) |
|
bp = flask.Blueprint('bp', __name__) |
|
evts = [] |
|
|
|
@bp.before_app_first_request |
|
def before_first_request(): |
|
evts.append('first') |
|
@bp.before_app_request |
|
def before_app(): |
|
evts.append('before') |
|
@bp.after_app_request |
|
def after_app(response): |
|
response.data += b'|after' |
|
evts.append('after') |
|
return response |
|
@bp.teardown_app_request |
|
def teardown_app(exc): |
|
evts.append('teardown') |
|
|
|
app.register_blueprint(bp) |
|
|
|
# Setup routes for testing |
|
@app.route('/') |
|
def bp_endpoint(): |
|
return 'request' |
|
|
|
# before first request |
|
assert evts == [] |
|
|
|
# first request |
|
resp = app.test_client().get('/').data |
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assert resp == b'request|after' |
|
assert evts == ['first', 'before', 'after', 'teardown'] |
|
|
|
# second request |
|
resp = app.test_client().get('/').data |
|
assert resp == b'request|after' |
|
assert evts == ['first'] + ['before', 'after', 'teardown'] * 2
|
|
|