def test_nested_mustache_resolution():
# straight
oe = Environment(foo = '{{bar}}', bar = '{{baz}}', baz = 'hello')
for pattern in ('{{foo}}', '{{bar}}', '{{baz}}', 'hello'):
resolved, unbound = MustacheParser.resolve('%s world' % pattern, oe)
assert resolved == 'hello world'
assert unbound == []
# in structs
class Process(Struct):
name = Required(String)
cmdline = String
class Task(Struct):
name = Default(String, '{{processes[0].name}}')
processes = List(Process)
task = Task(processes = [Process(name="hello"), Process(name="world")])
assert task.name().get() == 'hello'
# iterably
resolve_string = '{{foo[{{bar}}]}}'
resolve_list = List(String)(["hello", "world"])
resolved, unbound = MustacheParser.resolve(resolve_string, Environment(foo=resolve_list, bar=0))
assert resolved == 'hello'
assert unbound == []
resolved, unbound = MustacheParser.resolve(resolve_string, Environment(foo=resolve_list, bar="0"))
assert resolved == 'hello'
assert unbound == []
resolved, _ = MustacheParser.resolve(resolve_string, Environment(foo=resolve_list, bar=1))
assert resolved == 'world'
resolved, unbound = MustacheParser.resolve(resolve_string, Environment(foo=resolve_list, bar=2))
assert resolved == '{{foo[2]}}'
assert unbound == [ref('foo[2]')]
def interpolate(self):
if not isinstance(self._value, Compatibility.stringy):
return self.__class__(self.coerce(self._value)), []
else:
joins, unbound = MustacheParser.resolve(self._value, *self.scopes())
if unbound:
return self.__class__(joins), [ref for ref in unbound if not self.modulo().covers(ref)]
else:
self_copy = self.copy()
self_copy._value = self_copy.coerce(joins)
return self_copy, unbound
def test_nested_mustache_resolution():
# straight
oe = Environment(foo='{{bar}}', bar='{{baz}}', baz='hello')
for pattern in ('{{foo}}', '{{bar}}', '{{baz}}', 'hello'):
resolved, unbound = MustacheParser.resolve('%s world' % pattern, oe)
assert resolved == 'hello world'
assert unbound == []
# in structs
class Process(Struct):
name = Required(String)
cmdline = String
class Task(Struct):
name = Default(String, '{{processes[0].name}}')
processes = List(Process)
task = Task(processes=[Process(name="hello"), Process(name="world")])
assert task.name().get() == 'hello'
# iterably
resolve_string = '{{foo[{{bar}}]}}'
resolve_list = List(String)(["hello", "world"])
resolved, unbound = MustacheParser.resolve(
resolve_string, Environment(foo=resolve_list, bar=0))
assert resolved == 'hello'
assert unbound == []
resolved, unbound = MustacheParser.resolve(
resolve_string, Environment(foo=resolve_list, bar="0"))
assert resolved == 'hello'
assert unbound == []
resolved, _ = MustacheParser.resolve(resolve_string,
Environment(foo=resolve_list, bar=1))
assert resolved == 'world'
resolved, unbound = MustacheParser.resolve(
resolve_string, Environment(foo=resolve_list, bar=2))
assert resolved == '{{foo[2]}}'
assert unbound == [ref('foo[2]')]
def test_mustache_resolve_cycles():
with pytest.raises(MustacheParser.Uninterpolatable):
MustacheParser.resolve('{{foo[{{bar}}]}} {{baz}}',
Environment(foo = List(String)(["{{foo[{{bar}}]}}", "world"])), Environment(bar = 0))
def test_mustache_resolve_cycles():
with pytest.raises(MustacheParser.Uninterpolatable):
MustacheParser.resolve(
'{{foo[{{bar}}]}} {{baz}}',
Environment(foo=List(String)(["{{foo[{{bar}}]}}", "world"])),
Environment(bar=0))
