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|
# -*- coding: utf-8 -*-
"""
jinja2.testsuite.imports
~~~~~~~~~~~~~~~~~~~~~~~~
Tests the import features (with includes).
:copyright: (c) 2017 by the Jinja Team.
:license: BSD, see LICENSE for more details.
"""
import pytest
from jinja2 import Environment, DictLoader
from jinja2.exceptions import TemplateNotFound, TemplatesNotFound, \
TemplateSyntaxError
@pytest.fixture
def test_env():
env = Environment(loader=DictLoader(dict(
module='{% macro test() %}[{{ foo }}|{{ bar }}]{% endmacro %}',
header='[{{ foo }}|{{ 23 }}]',
o_printer='({{ o }})'
)))
env.globals['bar'] = 23
return env
@pytest.mark.imports
class TestImports(object):
def test_context_imports(self, test_env):
t = test_env.from_string('{% import "module" as m %}{{ m.test() }}')
assert t.render(foo=42) == '[|23]'
t = test_env.from_string(
'{% import "module" as m without context %}{{ m.test() }}'
)
assert t.render(foo=42) == '[|23]'
t = test_env.from_string(
'{% import "module" as m with context %}{{ m.test() }}'
)
assert t.render(foo=42) == '[42|23]'
t = test_env.from_string('{% from "module" import test %}{{ test() }}')
assert t.render(foo=42) == '[|23]'
t = test_env.from_string(
'{% from "module" import test without context %}{{ test() }}'
)
assert t.render(foo=42) == '[|23]'
t = test_env.from_string(
'{% from "module" import test with context %}{{ test() }}'
)
assert t.render(foo=42) == '[42|23]'
def test_import_needs_name(self, test_env):
test_env.from_string('{% from "foo" import bar %}')
test_env.from_string('{% from "foo" import bar, baz %}')
with pytest.raises(TemplateSyntaxError):
test_env.from_string('{% from "foo" import %}')
def test_no_trailing_comma(self, test_env):
with pytest.raises(TemplateSyntaxError):
test_env.from_string('{% from "foo" import bar, %}')
with pytest.raises(TemplateSyntaxError):
test_env.from_string('{% from "foo" import bar,, %}')
with pytest.raises(TemplateSyntaxError):
test_env.from_string('{% from "foo" import, %}')
def test_trailing_comma_with_context(self, test_env):
test_env.from_string('{% from "foo" import bar, baz with context %}')
test_env.from_string('{% from "foo" import bar, baz, with context %}')
test_env.from_string('{% from "foo" import bar, with context %}')
test_env.from_string('{% from "foo" import bar, with, context %}')
test_env.from_string('{% from "foo" import bar, with with context %}')
def test_exports(self, test_env):
m = test_env.from_string('''
{% macro toplevel() %}...{% endmacro %}
{% macro __private() %}...{% endmacro %}
{% set variable = 42 %}
{% for item in [1] %}
{% macro notthere() %}{% endmacro %}
{% endfor %}
''').module
assert m.toplevel() == '...'
assert not hasattr(m, '__missing')
assert m.variable == 42
assert not hasattr(m, 'notthere')
@pytest.mark.imports
@pytest.mark.includes
class TestIncludes(object):
def test_context_include(self, test_env):
t = test_env.from_string('{% include "header" %}')
assert t.render(foo=42) == '[42|23]'
t = test_env.from_string('{% include "header" with context %}')
assert t.render(foo=42) == '[42|23]'
t = test_env.from_string('{% include "header" without context %}')
assert t.render(foo=42) == '[|23]'
def test_choice_includes(self, test_env):
t = test_env.from_string('{% include ["missing", "header"] %}')
assert t.render(foo=42) == '[42|23]'
t = test_env.from_string(
'{% include ["missing", "missing2"] ignore missing %}'
)
assert t.render(foo=42) == ''
t = test_env.from_string('{% include ["missing", "missing2"] %}')
pytest.raises(TemplateNotFound, t.render)
try:
t.render()
except TemplatesNotFound as e:
assert e.templates == ['missing', 'missing2']
assert e.name == 'missing2'
else:
assert False, 'thou shalt raise'
def test_includes(t, **ctx):
ctx['foo'] = 42
assert t.render(ctx) == '[42|23]'
t = test_env.from_string('{% include ["missing", "header"] %}')
test_includes(t)
t = test_env.from_string('{% include x %}')
test_includes(t, x=['missing', 'header'])
t = test_env.from_string('{% include [x, "header"] %}')
test_includes(t, x='missing')
t = test_env.from_string('{% include x %}')
test_includes(t, x='header')
t = test_env.from_string('{% include x %}')
test_includes(t, x='header')
t = test_env.from_string('{% include [x] %}')
test_includes(t, x='header')
def test_include_ignoring_missing(self, test_env):
t = test_env.from_string('{% include "missing" %}')
pytest.raises(TemplateNotFound, t.render)
for extra in '', 'with context', 'without context':
t = test_env.from_string('{% include "missing" ignore missing ' +
extra + ' %}')
assert t.render() == ''
def test_context_include_with_overrides(self, test_env):
env = Environment(loader=DictLoader(dict(
main="{% for item in [1, 2, 3] %}{% include 'item' %}{% endfor %}",
item="{{ item }}"
)))
assert env.get_template("main").render() == "123"
def test_unoptimized_scopes(self, test_env):
t = test_env.from_string("""
{% macro outer(o) %}
{% macro inner() %}
{% include "o_printer" %}
{% endmacro %}
{{ inner() }}
{% endmacro %}
{{ outer("FOO") }}
""")
assert t.render().strip() == '(FOO)'
def test_import_from_with_context(self):
env = Environment(loader=DictLoader({
'a': '{% macro x() %}{{ foobar }}{% endmacro %}',
}))
t = env.from_string('{% set foobar = 42 %}{% from "a" '
'import x with context %}{{ x() }}')
assert t.render() == '42'
|
