def test_hashing():
map = {
List(Integer)([1,2,3]): 'foo',
Map(String,Integer)({'a': 1, 'b': 2}): 'bar'
}
assert List(Integer)([1,2,3]) in map
assert Map(String,Integer)({'a': 1, 'b': 2}) in map
assert List(Integer)([3,2,1]) not in map
assert Map(String,Integer)({'a': 2, 'b': 1}) not in map
def test_iteration():
li = List(Integer)([1,2,3])
liter = iter(li)
assert next(liter) == Integer(1)
assert next(liter) == Integer(2)
assert next(liter) == Integer(3)
with pytest.raises(StopIteration):
next(liter)
li = List(Integer)([])
with pytest.raises(StopIteration):
next(iter(li))
def test_indexing():
li = List(Integer)([1,2,3])
for bad in ['a', None, type, Integer]:
with pytest.raises(TypeError):
li[bad]
# Indexing should also support slices
li = List(Integer)(range(10))
assert li[0] == Integer(0)
assert li[-1] == Integer(9)
assert li[::2] == (Integer(0), Integer(2), Integer(4), Integer(6), Integer(8))
assert li[8:] == (Integer(8), Integer(9))
assert li[2:0:-1] == (Integer(2), Integer(1))
with pytest.raises(IndexError):
li[10]
def test_basic_scoping():
i = Integer('{{intvalue}}')
lst = List(Integer)([i.bind(intvalue = 1), i.bind(intvalue = 2), i])
lsti, _ = lst.bind(intvalue = 3).interpolate()
assert lsti == List(Integer)([Integer(1), Integer(2), Integer(3)])
lsti, _ = lst.in_scope(intvalue = 3).interpolate()
assert lsti == List(Integer)([Integer(1), Integer(2), Integer(3)])
one = ref('[0]')
two = ref('[1]')
three = ref('[2]')
assert lst.find(one) == Integer(1)
assert lst.find(two) == Integer(2)
assert lst.find(three) == Integer('{{intvalue}}')
assert lst.in_scope(intvalue = 3).find(one) == Integer(1)
assert lst.in_scope(intvalue = 3).find(two) == Integer(2)
assert lst.in_scope(intvalue = 3).find(three) == Integer(3)
def test_basic_lists():
assert List(Integer)([]).check().ok()
assert List(Integer)([1]).check().ok()
assert List(Integer)((1,)).check().ok()
assert List(Integer)(["1",]).check().ok()
assert not List(Integer)([1, "{{two}}"]).check().ok()
assert (List(Integer)([1, "{{two}}"]) % {'two': 2}).check().ok()
with pytest.raises(ValueError):
List(Integer)({'not': 'a', 'list': 'type'})
repr(List(Integer)([1, '{{two}}']))
def test_list_find():
ls = List(String)(['a', 'b', 'c'])
assert ls.find(ref('[0]')) == String('a')
with pytest.raises(Namable.NamingError):
ls.find(ref('.a'))
with pytest.raises(Namable.NamingError):
ls.find(ref('[a]'))
with pytest.raises(Namable.NotFound):
ls.find(ref('[4]'))
with pytest.raises(Namable.Unnamable):
ls.find(ref('[1].foo'))
def test_list_scoping():
assert List(Integer)([1, "{{wut}}"]).interpolate() == (
List(Integer)([Integer(1), Integer('{{wut}}')]), [ref('wut')])
assert List(Integer)([1, "{{wut}}"]).bind(wut = 23).interpolate() == (
List(Integer)([Integer(1), Integer(23)]), [])
assert List(Integer)([1, Integer("{{wut}}").bind(wut = 24)]).bind(wut = 23).interpolate() == (
List(Integer)([Integer(1), Integer(24)]), [])
def test_environment_find():
oe1 = Environment(a = { 'b': 1 })
oe2 = Environment(a = { 'b': { 'c': List(Integer)([1,2,3]) } } )
oe = Environment(oe1, oe2)
assert oe.find(ref('a.b')) == '1'
assert oe.find(ref('a.b.c[0]')) == Integer(1)
assert oe.find(ref('a.b.c[1]')) == Integer(2)
assert oe.find(ref('a.b.c[2]')) == Integer(3)
missing_refs = [ref('b'), ref('b.c'), ref('a.c'), ref('a.b.c[3]')]
for r in missing_refs:
with pytest.raises(Namable.NotFound):
oe.find(r)
oe = Environment(a = { 'b': { 'c': 5 } } )
assert oe.find(ref('a.b.c')) == '5'
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_equals():
assert List(Integer)([1, "{{wut}}"]).bind(wut=23) == List(Integer)([1, 23])
class Resources(Struct): cpu = Required(Float) ram = Integer disks = List(String)
class Task(Struct):
name = Default(String, 'task-{{processes[0].name}}')
processes = Required(List(Process))
class Task(Struct):
name = Default(String, '{{processes[0].name}}')
processes = List(Process)
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))
