def test_autoescape(self):
t = template.Template(r"<{{x}}>")
self.assertEqual(t.generate(x="<"), "<<>")
self.assertEqual(t.generate(x=">"), "<>>")
t2 = template.Template(r"{% autoescape None %}<{{x}}>")
self.assertEqual(t2.generate(x="<"), "<<>")
self.assertEqual(t2.generate(x=">"), "<>>")
def test_set(self):
self.assertEqual(
template.Template(r"{% set x=42 %}{{ val + x }}").generate(
val=-42), "0")
self.assertEqual(
template.Template(r"{% set x=val2 %}{{ val + x }}").generate(
val=1, val2=10), "11")
def test_loops(self):
self.assertEqual(
template.Template(
r"{% for x in [1,2,3,4] %}{{ x }}:{% end %}").generate(),
"1:2:3:4:")
self.assertEqual(
template.Template(
r"{% set x=0 %}{% while x < 10 %}{{x}};{% set x += 2 %}{% end %}"
).generate(), "0;2;4;6;8;")
def test_if(self):
t = template.Template(
r"{% if a == 1 %}One{% elif a < 0 %}Negative{% elif isinstance(a, basestring) %}String{% else %}Unknown{% end %}"
)
self.assertEqual(t.generate(a=1), b"One")
self.assertEqual(t.generate(a=-1), b"Negative")
self.assertEqual(t.generate(a=-1.67), b"Negative")
self.assertEqual(t.generate(a=-100), b"Negative")
self.assertEqual(t.generate(a=42), b"Unknown")
self.assertEqual(t.generate(a=42.5), b"Unknown")
self.assertEqual(t.generate(a="meow"), b"String")
def test_deferreds(self):
def _mkDeferred(rv, delay=None):
d = defer.Deferred()
if delay is None:
d.callback(rv)
else:
reactor.callLater(delay, d.callback, rv)
return d
# Test that template immidiatly resolves deferreds if possible
t = template.Template(r"-) {{x}} <-> {{y(63)}} :!")
self.assertEqual(t.generate(x=_mkDeferred(42), y=_mkDeferred),
"-) 42 <-> 63 :!")
# Test delayed execution
d = t.generate(x=_mkDeferred("hello", 0.1),
y=lambda val: _mkDeferred(val - 60, 0.5))
self.assertTrue(isinstance(d, defer.Deferred), d)
txt = yield d
self.assertEqual(txt, "-) hello <-> 3 :!")
def test_comment(self):
self.assertEqual(
template.Template(r"{% comment blah! %}42").generate(), b"42")
def test_simple_var(self):
t = template.Template(r"My name is: {{ name }}")
self.assertEqual(t.generate(name="Alice"), "My name is: Alice")
self.assertEqual(t.generate(name="Bob"), "My name is: Bob")
