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# -*- coding: utf-8 -*-
"""
flask.testsuite.templating
~~~~~~~~~~~~~~~~~~~~~~~~~~
Template functionality
:copyright: (c) 2011 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
from __future__ import with_statement
import flask
import unittest
from flask.testsuite import FlaskTestCase
class TemplatingTestCase(FlaskTestCase):
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('/')
self.assert_equal(rv.data, '<p>23|42')
def test_original_win(self):
app = flask.Flask(__name__)
@app.route('/')
def index():
return flask.render_template_string('{{ config }}', config=42)
rv = app.test_client().get('/')
self.assert_equal(rv.data, '42')
def test_standard_context(self):
app = flask.Flask(__name__)
app.secret_key = 'development key'
@app.route('/')
def index():
flask.g.foo = 23
flask.session['test'] = 'aha'
return flask.render_template_string('''
{{ request.args.foo }}
{{ g.foo }}
{{ config.DEBUG }}
{{ session.test }}
''')
rv = app.test_client().get('/?foo=42')
self.assert_equal(rv.data.split(), ['42', '23', 'False', 'aha'])
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()
self.assert_equal(lines, [
'<p>Hello World!',
'<p>Hello World!',
'<p>Hello World!',
'<p>Hello World!',
'<p>Hello World!',
'<p>Hello World!'
])
def test_no_escaping(self):
app = flask.Flask(__name__)
with app.test_request_context():
self.assert_equal(flask.render_template_string('{{ foo }}',
foo='<test>'), '<test>')
self.assert_equal(flask.render_template('mail.txt', foo='<test>'),
'<test> Mail')
def test_macros(self):
app = flask.Flask(__name__)
with app.test_request_context():
macro = flask.get_template_attribute('_macro.html', 'hello')
self.assert_equal(macro('World'), 'Hello World!')
def test_template_filter(self):
app = flask.Flask(__name__)
@app.template_filter()
def my_reverse(s):
return s[::-1]
self.assert_('my_reverse' in app.jinja_env.filters.keys())
self.assert_equal(app.jinja_env.filters['my_reverse'], my_reverse)
self.assert_equal(app.jinja_env.filters['my_reverse']('abcd'), 'dcba')
def test_template_filter_with_name(self):
app = flask.Flask(__name__)
@app.template_filter('strrev')
def my_reverse(s):
return s[::-1]
self.assert_('strrev' in app.jinja_env.filters.keys())
self.assert_equal(app.jinja_env.filters['strrev'], my_reverse)
self.assert_equal(app.jinja_env.filters['strrev']('abcd'), 'dcba')
def test_template_filter_with_template(self):
app = flask.Flask(__name__)
@app.template_filter()
def super_reverse(s):
return s[::-1]
@app.route('/')
def index():
return flask.render_template('template_filter.html', value='abcd')
rv = app.test_client().get('/')
self.assert_equal(rv.data, 'dcba')
def test_template_filter_with_name_and_template(self):
app = flask.Flask(__name__)
@app.template_filter('super_reverse')
def my_reverse(s):
return s[::-1]
@app.route('/')
def index():
return flask.render_template('template_filter.html', value='abcd')
rv = app.test_client().get('/')
self.assert_equal(rv.data, 'dcba')
def test_custom_template_loader(self):
class MyFlask(flask.Flask):
def create_global_jinja_loader(self):
from jinja2 import DictLoader
return DictLoader({'index.html': 'Hello Custom World!'})
app = MyFlask(__name__)
@app.route('/')
def index():
return flask.render_template('index.html')
c = app.test_client()
rv = c.get('/')
self.assert_equal(rv.data, 'Hello Custom World!')
def suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(TemplatingTestCase))
return suite
|
