diff options
Diffstat (limited to 'tests/test_renderengine.py')
| -rw-r--r-- | tests/test_renderengine.py | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/tests/test_renderengine.py b/tests/test_renderengine.py index 6c2831a..7752161 100644 --- a/tests/test_renderengine.py +++ b/tests/test_renderengine.py @@ -11,7 +11,7 @@ import unittest from pystache.context import Context from pystache.parser import ParsingError from pystache.renderengine import RenderEngine -from tests.common import AssertStringMixin +from tests.common import AssertStringMixin, Attachable class RenderEngineTestCase(unittest.TestCase): @@ -453,3 +453,47 @@ class RenderTests(unittest.TestCase, AssertStringMixin): expected = u' {{foo}} ' self._assert_render(expected, '{{=$ $=}} {{foo}} ') self._assert_render(expected, '{{=$ $=}} {{foo}} $={{ }}=$') # was yielding u' '. + + def test_dot_notation(self): + """ + Check that we can use dot notation when the variable is a dict, + a used-defined object, or a combination of both + """ + template = 'Hello, {{person.name}}. I see you are {{person.details.age}}.' + person = Attachable(name='Biggles', details={'age': 42}) + context = {'person': person} + self._assert_render(u'Hello, Biggles. I see you are 42.', template, context) + + def test_dot_notation__missing_attributes_or_keys(self): + """ + Check that, when using dot notation, if the key or attribute does not + exist then its value is rendered as empty + """ + template = """I cannot see {{person.name}}'s age: {{person.age}}. + Nor {{other_person.name}}'s: .""" + expected = u"""I cannot see Biggles's age: . + Nor Mr. Bradshaw's: .""" + context = {'person': {'name': 'Biggles'}, + 'other_person': Attachable(name='Mr. Bradshaw')} + self._assert_render(expected, template, context) + + def test_dot_notation__multiple_levels(self): + """ + Check that using multiple levels of dot attributes works as expected + """ + template = """Hello, Mr. {{person.name.lastname}}. + I see you're back from {{person.travels.last.country.city}}. + I'm missing some of your details: {{person.details.private.editor}}.""" + expected = u"""Hello, Mr. Pither. + I see you're back from Cornwall. + I'm missing some of your details: .""" + context = {'person': {'name': {'firstname': 'unknown', 'lastname': 'Pither'}, + 'travels': {'last': {'country': {'city': 'Cornwall'}}}, + 'details': {'public': 'likes cycling'}}} + self._assert_render(expected, template, context) + + # It should also work with user-defined objects + context = {'person': Attachable(name={'firstname': 'unknown', 'lastname': 'Pither'}, + travels=Attachable(last=Attachable(country=Attachable(city='Cornwall'))), + details=Attachable())} + self._assert_render(expected, template, context) |