def test_single_subst_end(self):
s = 'I like ' + _var('favcolour')
tv = RefValue(s)
self.assertTrue(tv.has_references())
self.assertEqual(tv.render(CONTEXT),
_poor_mans_template(s, 'favcolour',
CONTEXT['favcolour']))
def test_single_subst_start(self):
s = _var('favcolour') + ' is my favourite colour'
tv = RefValue(s)
self.assertTrue(tv.has_references())
self.assertEqual(tv.render(CONTEXT),
_poor_mans_template(s, 'favcolour',
CONTEXT['favcolour']))
def test_multiple_subst(self):
greet = PARAMETER_INTERPOLATION_DELIMITER.join(('motd', 'greeting'))
s = _var(greet) + ' I like ' + _var('favcolour') + '!'
tv = RefValue(s)
self.assertTrue(tv.has_references())
want = _poor_mans_template(s, greet, CONTEXT['motd']['greeting'])
want = _poor_mans_template(want, 'favcolour', CONTEXT['favcolour'])
self.assertEqual(tv.render(CONTEXT), want)
def test_deep_subst_solo(self):
var = PARAMETER_INTERPOLATION_DELIMITER.join(('motd', 'greeting'))
s = _var(var)
tv = RefValue(s)
self.assertTrue(tv.has_references())
self.assertEqual(tv.render(CONTEXT),
_poor_mans_template(s, var,
CONTEXT['motd']['greeting']))
def _test_solo_ref(self, key):
s = _var(key)
tv = RefValue(s)
res = tv.render(CONTEXT)
self.assertTrue(tv.has_references())
self.assertEqual(res, CONTEXT[key])
def test_simple_string(self):
s = 'my cat likes to hide in boxes'
tv = RefValue(s)
self.assertFalse(tv.has_references())
self.assertEquals(tv.render(CONTEXT), s)
def test_undefined_variable(self):
s = _var('no_such_variable')
tv = RefValue(s)
with self.assertRaises(UndefinedVariableError):
tv.render(CONTEXT)
