| # -*- coding: utf-8 -*- |
| """ |
| unit test for various things |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| |
| :copyright: 2007 by Armin Ronacher. |
| :license: BSD, see LICENSE for more details. |
| """ |
| from jinja2.exceptions import TemplateSyntaxError |
| |
| |
| UNPACKING = '''{% for a, b, c in [[1, 2, 3]] %}{{ a }}|{{ b }}|{{ c }}{% endfor %}''' |
| RAW = '''{% raw %}{{ FOO }} and {% BAR %}{% endraw %}''' |
| CONST = '''{{ true }}|{{ false }}|{{ none }}|\ |
| {{ none is defined }}|{{ missing is defined }}''' |
| LOCALSET = '''{% foo = 0 %}\ |
| {% for item in [1, 2] %}{% foo = 1 %}{% endfor %}\ |
| {{ foo }}''' |
| CONSTASS1 = '''{% true = 42 %}''' |
| CONSTASS2 = '''{% for none in seq %}{% endfor %}''' |
| |
| |
| def test_unpacking(env): |
| tmpl = env.from_string(UNPACKING) |
| assert tmpl.render() == '1|2|3' |
| |
| |
| def test_raw(env): |
| tmpl = env.from_string(RAW) |
| assert tmpl.render() == '{{ FOO }} and {% BAR %}' |
| |
| |
| def test_lru_cache(): |
| from jinja2.utils import LRUCache |
| d = LRUCache(3) |
| d["a"] = 1 |
| d["b"] = 2 |
| d["c"] = 3 |
| d["a"] |
| d["d"] = 4 |
| assert len(d) == 3 |
| assert 'a' in d and 'c' in d and 'd' in d and 'b' not in d |
| |
| |
| def test_const(env): |
| tmpl = env.from_string(CONST) |
| assert tmpl.render() == 'True|False|None|True|False' |
| |
| |
| def test_const_assign(env): |
| for tmpl in CONSTASS1, CONSTASS2: |
| try: |
| env.from_string(tmpl) |
| except TemplateSyntaxError: |
| pass |
| else: |
| raise AssertionError('expected syntax error') |
| |
| |
| def test_localset(env): |
| tmpl = env.from_string(LOCALSET) |
| assert tmpl.render() == '0' |