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import unittest
import pystache
from pystache import Renderer
from examples.nested_context import NestedContext
from examples.complex import Complex
from examples.lambdas import Lambdas
from examples.template_partial import TemplatePartial
from examples.simple import Simple
from tests.common import EXAMPLES_DIR
from tests.common import AssertStringMixin
class TestSimple(unittest.TestCase, AssertStringMixin):
def test_nested_context(self):
renderer = Renderer()
view = NestedContext(renderer)
view.template = '{{#foo}}{{thing1}} and {{thing2}} and {{outer_thing}}{{/foo}}{{^foo}}Not foo!{{/foo}}'
actual = renderer.render(view)
self.assertString(actual, u"one and foo and two")
def test_looping_and_negation_context(self):
template = '{{#item}}{{header}}: {{name}} {{/item}}{{^item}} Shouldnt see me{{/item}}'
context = Complex()
renderer = Renderer()
actual = renderer.render(template, context)
self.assertEquals(actual, "Colors: red Colors: green Colors: blue ")
def test_empty_context(self):
template = '{{#empty_list}}Shouldnt see me {{/empty_list}}{{^empty_list}}Should see me{{/empty_list}}'
self.assertEquals(pystache.Renderer().render(template), "Should see me")
def test_callables(self):
view = Lambdas()
view.template = '{{#replace_foo_with_bar}}foo != bar. oh, it does!{{/replace_foo_with_bar}}'
renderer = Renderer()
actual = renderer.render(view)
self.assertString(actual, u'bar != bar. oh, it does!')
def test_rendering_partial(self):
renderer = Renderer(search_dirs=EXAMPLES_DIR)
view = TemplatePartial(renderer=renderer)
view.template = '{{>inner_partial}}'
actual = renderer.render(view)
self.assertString(actual, u'Again, Welcome!')
view.template = '{{#looping}}{{>inner_partial}} {{/looping}}'
actual = renderer.render(view)
self.assertString(actual, u"Again, Welcome! Again, Welcome! Again, Welcome! ")
def test_non_existent_value_renders_blank(self):
view = Simple()
template = '{{not_set}} {{blank}}'
self.assertEquals(pystache.Renderer().render(template), ' ')
def test_template_partial_extension(self):
"""
Side note:
From the spec--
Partial tags SHOULD be treated as standalone when appropriate.
In particular, this means that trailing newlines should be removed.
"""
renderer = Renderer(search_dirs=EXAMPLES_DIR, file_extension='txt')
view = TemplatePartial(renderer=renderer)
actual = renderer.render(view)
self.assertString(actual, u"""Welcome
-------
## Again, Welcome! ##""")
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