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_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_higher_order_lambda(self):
view = Lambdas()
view.template = '{{#sort}}zyxwvutsrqponmlkjihgfedcba{{/sort}}'
renderer = Renderer()
actual = renderer.render(view)
self.assertString(actual, u'abcdefghijklmnopqrstuvwxyz')
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_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_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_higher_order_rot13(self):
view = Lambdas()
view.template = '{{#rot13}}abcdefghijklm{{/rot13}}'
renderer = Renderer()
actual = renderer.render(view)
self.assertString(actual, u'nopqrstuvwxyz')
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_non_callable_attributes(self):
view = Simple()
view.thing = 'Chris'
renderer = Renderer()
actual = renderer.render(view)
self.assertEqual(actual, "Hi Chris!")
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_non_callable_attributes(self):
view = Simple()
view.thing = 'Chris'
renderer = Renderer()
actual = renderer.render(view)
self.assertEqual(actual, "Hi Chris!")
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_higher_order_lambda(self):
view = Lambdas()
view.template = '{{#sort}}zyxwvutsrqponmlkjihgfedcba{{/sort}}'
renderer = Renderer()
actual = renderer.render(view)
self.assertString(actual, u'abcdefghijklmnopqrstuvwxyz')
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_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_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_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_render__view(self):
"""
Test rendering a View instance.
"""
renderer = Renderer()
view = Simple()
actual = renderer.render(view)
self.assertEqual('Hi pizza!', actual)
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_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_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_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__escape__uses_renderer_escape(self):
"""
Test that escape uses the renderer's escape function.
"""
renderer = Renderer()
renderer.escape = lambda s: "**" + s
engine = renderer._make_render_engine()
escape = engine.escape
self.assertEqual(escape("foo"), "**foo")
def test__literal__handles_unicode(self):
"""
Test that literal doesn't try to "double decode" unicode.
"""
renderer = Renderer()
renderer.string_encoding = 'ascii'
engine = renderer._make_render_engine()
literal = engine.literal
self.assertEqual(literal(u"foo"), "foo")
def test__load_partial__not_found__default(self):
"""
Check that load_partial provides a nice message when a template is not found.
"""
renderer = Renderer()
engine = renderer._make_render_engine()
load_partial = engine.load_partial
self.assertException(TemplateNotFoundError, "File 'foo.mustache' not found in dirs: ['.']",
load_partial, "foo")
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__literal__handles_unicode(self):
"""
Test that literal doesn't try to "double decode" unicode.
"""
renderer = Renderer()
renderer.string_encoding = 'ascii'
engine = renderer._make_render_engine()
literal = engine.literal
self.assertEqual(literal(u"foo"), "foo")
def test__escape__uses_renderer_escape(self):
"""
Test that escape uses the renderer's escape function.
"""
renderer = Renderer()
renderer.escape = lambda s: "**" + s
engine = renderer._make_render_engine()
escape = engine.escape
self.assertEqual(escape("foo"), "**foo")
def test__escape__uses_renderer_unicode(self):
"""
Test that escape uses the renderer's unicode function.
"""
renderer = Renderer()
renderer.unicode = mock_unicode
engine = renderer._make_render_engine()
escape = engine.escape
b = u"foo".encode('ascii')
self.assertEqual(escape(b), "FOO")
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__load_partial__not_found__default(self):
"""
Check that load_partial provides a nice message when a template is not found.
"""
renderer = Renderer()
engine = renderer._make_render_engine()
load_partial = engine.load_partial
self.assertException(TemplateNotFoundError,
"File 'foo.mustache' not found in dirs: ['.']",
load_partial, "foo")
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_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__escape__uses_renderer_unicode(self):
"""
Test that escape uses the renderer's unicode function.
"""
renderer = Renderer()
renderer.unicode = mock_unicode
engine = renderer._make_render_engine()
escape = engine.escape
b = u"foo".encode('ascii')
self.assertEqual(escape(b), "FOO")
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 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 test__load_partial__not_found__dict(self):
"""
Check that load_partial provides a nice message when a template is not found.
"""
renderer = Renderer()
renderer.partials = {}
engine = renderer._make_render_engine()
load_partial = engine.load_partial
# Include dict directly since str(dict) is different in Python 2 and 3:
# <type 'dict'> versus <class 'dict'>, respectively.
self.assertException(TemplateNotFoundError, "Name 'foo' not found in partials: %s" % dict,
load_partial, "foo")
def test_string_encoding__default(self):
"""
Check the default value.
"""
renderer = Renderer()
self.assertEqual(renderer.string_encoding, sys.getdefaultencoding())
def test_file_encoding(self):
"""
Check that the file_encoding attribute is set correctly.
"""
renderer = Renderer(file_encoding='foo')
self.assertEqual(renderer.file_encoding, 'foo')
def test_string_encoding(self):
"""
Check that the constructor sets the attribute correctly.
"""
renderer = Renderer(string_encoding="foo")
self.assertEqual(renderer.string_encoding, "foo")
def _make_renderer():
"""
Return a default Renderer instance for testing purposes.
"""
renderer = Renderer(string_encoding='ascii', file_encoding='ascii')
return renderer
def test_file_encoding__default(self):
"""
Check the file_encoding default.
"""
renderer = Renderer()
self.assertEqual(renderer.file_encoding, renderer.string_encoding)
def test_partials__default(self):
"""
Test the default value.
"""
renderer = Renderer()
self.assertTrue(renderer.partials is None)
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__load_partial__not_found__dict(self):
"""
Check that load_partial provides a nice message when a template is not found.
"""
renderer = Renderer()
renderer.partials = {}
engine = renderer._make_render_engine()
load_partial = engine.load_partial
# Include dict directly since str(dict) is different in Python 2 and 3:
# <type 'dict'> versus <class 'dict'>, respectively.
self.assertException(TemplateNotFoundError,
"Name 'foo' not found in partials: %s" % dict,
load_partial, "foo")
def test_partials(self):
"""
Test that the attribute is set correctly.
"""
renderer = Renderer(partials={'foo': 'bar'})
self.assertEqual(renderer.partials, {'foo': 'bar'})
def test_decode_errors(self):
"""
Check that the constructor sets the attribute correctly.
"""
renderer = Renderer(decode_errors="foo")
self.assertEqual(renderer.decode_errors, "foo")
def test_decode_errors__default(self):
"""
Check the default value.
"""
renderer = Renderer()
self.assertEqual(renderer.decode_errors, 'strict')
def test__escape__has_access_to_original_unicode_subclass(self):
"""
Test that escape receives strings with the unicode subclass intact.
"""
renderer = Renderer()
renderer.escape = lambda s: unicode(type(s).__name__)
engine = renderer._make_render_engine()
escape = engine.escape
class MyUnicode(unicode):
pass
self.assertEqual(escape(u"foo".encode('ascii')), unicode.__name__)
self.assertEqual(escape(u"foo"), unicode.__name__)
self.assertEqual(escape(MyUnicode("foo")), MyUnicode.__name__)
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_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_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! ##""")
