def test_hierarchical_partials_with_lambdas(self):
view = Lambdas()
view.template = '{{>partial_with_partial_and_lambda}}'
renderer = Renderer(search_dirs=EXAMPLES_DIR)
actual = renderer.render(view)
self.assertString(actual, u'nopqrstuvwxyznopqrstuvwxyz')
def test_higher_order_lambda(self):
view = Lambdas()
view.template = '{{#sort}}zyxwvutsrqponmlkjihgfedcba{{/sort}}'
renderer = Renderer()
actual = renderer.render(view)
self.assertString(actual, u'abcdefghijklmnopqrstuvwxyz')
def test_partials_with_lambda(self):
view = Lambdas()
view.template = '{{>partial_with_lambda}}'
renderer = Renderer(search_dirs=EXAMPLES_DIR)
actual = renderer.render(view)
self.assertEqual(actual, u'nopqrstuvwxyz')
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.assertEqual(actual, "Colors: red Colors: green Colors: blue ")
def test_higher_order_rot13(self):
view = Lambdas()
view.template = '{{#rot13}}abcdefghijklm{{/rot13}}'
renderer = Renderer()
actual = renderer.render(view)
self.assertString(actual, u'nopqrstuvwxyz')
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_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_non_callable_attributes(self):
view = Simple()
view.thing = 'Chris'
renderer = Renderer()
actual = renderer.render(view)
self.assertEqual(actual, "Hi Chris!")
def test_partial_in_partial_has_access_to_grand_parent_context(self):
renderer = Renderer(search_dirs=EXAMPLES_DIR)
view = TemplatePartial(renderer=renderer)
view.template = '''{{>partial_in_partial}}'''
actual = renderer.render(view, {'prop': 'derp'})
self.assertEqual(actual, 'Hi derp!')
def test_nested_context_is_available_in_view(self):
renderer = Renderer()
view = NestedContext(renderer)
view.template = '{{#herp}}{{#derp}}{{nested_context_in_view}}{{/derp}}{{/herp}}'
actual = renderer.render(view)
self.assertString(actual, u'it works!')
def test_delimiters(self):
renderer = Renderer()
actual = renderer.render(Delimiters())
self.assertString(actual, u"""\
* It worked the first time.
* And it worked the second time.
* Then, surprisingly, it worked the third time.
""")
def test_render_path(self):
"""
Test the render_path() method.
"""
renderer = Renderer()
path = get_data_path('say_hello.mustache')
actual = renderer.render_path(path, to='foo')
self.assertEqual(actual, "Hello, foo")
def test_template_partial_extension(self):
renderer = Renderer(search_dirs=EXAMPLES_DIR, file_extension='txt')
view = TemplatePartial(renderer=renderer)
actual = renderer.render(view)
self.assertString(actual, u"""Welcome
-------
## Again, Welcome! ##""")
def test_complex(self):
renderer = Renderer()
actual = renderer.render(Complex())
self.assertString(actual, u"""\
<h1>Colors</h1>
<ul>
<li><strong>red</strong></li>
<li><a href="#Green">green</a></li>
<li><a href="#Blue">blue</a></li>
</ul>""")
def test_render__view(self):
"""
Test rendering a View instance.
"""
renderer = Renderer()
view = Simple()
actual = renderer.render(view)
self.assertEqual('Hi pizza!', actual)
def test__escape__uses_renderer_unicode(self):
"""
Test that escape uses the renderer's unicode function.
"""
renderer = Renderer()
renderer.unicode = mock_unicode
escape = renderer.escape
b = u"foo".encode('ascii')
self.assertEqual(escape(b), "FOO")
def test_accessing_properties_on_parent_object_from_child_objects(self):
parent = Thing()
parent.this = 'derp'
parent.children = [Thing()]
view = Simple()
view.template = "{{#parent}}{{#children}}{{this}}{{/children}}{{/parent}}"
renderer = Renderer()
actual = renderer.render(view, {'parent': parent})
self.assertString(actual, u'derp')
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_render__object(self):
"""
Test rendering an object instance.
"""
renderer = Renderer()
say_hello = SayHello()
actual = renderer.render(say_hello)
self.assertEqual('Hello, World', actual)
actual = renderer.render(say_hello, to='Mars')
self.assertEqual('Hello, Mars', actual)
def test_make_load_partial(self):
"""
Test the _make_load_partial() method.
"""
renderer = Renderer()
renderer.partials = {'foo': 'bar'}
load_partial = renderer._make_load_partial()
actual = load_partial('foo')
self.assertEqual(actual, 'bar')
self.assertEqual(type(actual), unicode, "RenderEngine requires that "
"load_partial return unicode strings.")
def test_render__template_spec(self):
"""
Test rendering a TemplateSpec instance.
"""
renderer = Renderer()
class Spec(TemplateSpec):
template = "hello, {{to}}"
to = 'world'
spec = Spec()
actual = renderer.render(spec)
self.assertString(actual, u'hello, world')
def _assert_render(self, expected, template, *context, **kwargs):
"""
Test rendering the given template using the given context.
"""
partials = kwargs.get('partials', None)
engine = kwargs.get('engine', None)
if not engine:
engine = Renderer(partials=partials)
context = ContextStack(*context)
actual = engine.render(template, context)
self.assertString(actual=actual, expected=expected)
def test_template_path_for_partials(self):
"""
Test that View.template_rel_path is respected for partials.
"""
spec = TemplateSpec()
spec.template = "Partial: {{>tagless}}"
renderer1 = Renderer()
renderer2 = Renderer(search_dirs=EXAMPLES_DIR)
actual = renderer1.render(spec)
self.assertString(actual, u"Partial: ")
actual = renderer2.render(spec)
self.assertEqual(actual, "Partial: No tags...")
def test_make_load_partial__unicode(self):
"""
Test _make_load_partial(): that load_partial doesn't "double-decode" Unicode.
"""
renderer = Renderer()
renderer.partials = {'partial': 'foo'}
load_partial = renderer._make_load_partial()
self.assertEqual(load_partial("partial"), "foo")
# Now with a value that is already unicode.
renderer.partials = {'partial': u'foo'}
load_partial = renderer._make_load_partial()
# If the next line failed, we would get the following error:
# TypeError: decoding Unicode is not supported
self.assertEqual(load_partial("partial"), "foo")
def test_template_rel_directory(self):
"""
Test that View.template_rel_directory is respected.
"""
class Tagless(TemplateSpec):
pass
view = Tagless()
renderer = Renderer()
self.assertRaises(TemplateNotFoundError, renderer.render, view)
# TODO: change this test to remove the following brittle line.
view.template_rel_directory = "examples"
actual = renderer.render(view)
self.assertEqual(actual, "No tags...")
def test__load_partial__returns_unicode(self):
"""
Check that load_partial returns unicode (and not a subclass).
"""
class MyUnicode(unicode):
pass
renderer = Renderer(string_encoding='ascii',
partials={'str': 'foo',
'subclass': MyUnicode('abc')})
actual = renderer.load_partial('str')
self.assertEqual(actual, "foo")
self.assertEqual(type(actual), unicode)
# Check that unicode subclasses are not preserved.
actual = renderer.load_partial('subclass')
self.assertEqual(actual, "abc")
self.assertEqual(type(actual), unicode)
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! ##""")
def test_escape(self):
escape = lambda s: "**" + s
renderer = Renderer(escape=escape)
self.assertEqual(renderer.escape("bar"), "**bar")
def test_higher_order_replace(self):
renderer = Renderer()
actual = renderer.render(Lambdas())
self.assertEqual(actual, 'bar != bar. oh, it does!')
def test_render__dotted_path(self):
renderer = Renderer()
template = "{{meh.foo}}"
actual = renderer.render(template, NestedObject())
self.assertEqual(actual, 'bar')