def test_correct_prefix_loader_name(self):
env = Environment(loader=PrefixLoader({
'foo': DictLoader({})
}))
try:
env.get_template('foo/bar.html')
except TemplateNotFound, e:
assert e.name == 'foo/bar.html'
def test_preserve_blocks(self):
env = Environment(loader=DictLoader({
'a': '{% if false %}{% block x %}A{% endblock %}{% endif %}{{ self.x() }}',
'b': '{% extends "a" %}{% block x %}B{{ super() }}{% endblock %}'
}))
tmpl = env.get_template('b')
tmpl.assert_render() == 'BA'
def test_dynamic_inheritance(self):
env = Environment(loader=DictLoader({
'master1': 'MASTER1{% block x %}{% endblock %}',
'master2': 'MASTER2{% block x %}{% endblock %}',
'child': '{% extends master %}{% block x %}CHILD{% endblock %}'
}))
tmpl = env.get_template('child')
for m in range(1, 3):
tmpl.assert_render(master='master%d' % m) == 'MASTER%dCHILD' % m
def test_multi_inheritance(self):
env = Environment(loader=DictLoader({
'master1': 'MASTER1{% block x %}{% endblock %}',
'master2': 'MASTER2{% block x %}{% endblock %}',
'child': '''{% if master %}{% extends master %}{% else %}{% extends
'master1' %}{% endif %}{% block x %}CHILD{% endblock %}'''
}))
tmpl = env.get_template('child')
tmpl.assert_render(master='master2') == 'MASTER2CHILD'
tmpl.assert_render(master='master1') == 'MASTER1CHILD'
tmpl.assert_render() == 'MASTER1CHILD'
def test_super(self):
env = Environment(loader=DictLoader({
'a': '{% block intro %}INTRO{% endblock %}|'
'BEFORE|{% block data %}INNER{% endblock %}|AFTER',
'b': '{% extends "a" %}{% block data %}({{ '
'super() }}){% endblock %}',
'c': '{% extends "b" %}{% block intro %}--{{ '
'super() }}--{% endblock %}\n{% block data '
'%}[{{ super() }}]{% endblock %}'
}))
tmpl = env.get_template('c')
tmpl.assert_render() == '--INTRO--|BEFORE|[(INNER)]|AFTER'
def test_scoped_block_after_inheritance(self):
env = Environment(loader=DictLoader({
'layout.html': '''
{% block useless %}{% endblock %}
''',
'index.html': '''
{%- extends 'layout.html' %}
{% from 'helpers.html' import foo with context %}
{% block useless %}
{% for x in [1, 2, 3] %}
{% block testing scoped %}
{{ foo(x) }}
{% endblock %}
{% endfor %}
{% endblock %}
''',
'helpers.html': '''
{% macro foo(x) %}{{ the_foo + x }}{% endmacro %}
'''
}))
rv = env.get_template('index.html').assert_render(the_foo=42).split()
assert rv == ['43', '44', '45']
def test_context_include_with_overrides(self):
env = Environment(loader=DictLoader(dict(
main="{% for item in [1, 2, 3] %}{% include 'item' %}{% endfor %}",
item="{{ item }}"
)))
assert env.get_template("main").assert_render() == "123"
