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_map_iteration():
mi = Map(String,Integer)({'a': 1, 'b': 2})
miter = iter(mi)
assert next(miter) in (String('a'), String('b'))
assert next(miter) in (String('a'), String('b'))
with pytest.raises(StopIteration):
next(miter)
mi = Map(String,Integer)({})
with pytest.raises(StopIteration):
next(iter(mi))
def test_map_idioms():
mi = Map(String,Integer)({'a': 1, 'b': 2})
for key in ['a', String('a')]:
assert mi[key] == Integer(1)
assert key in mi
for key in ['b', String('b')]:
assert mi[key] == Integer(2)
assert key in mi
for key in [1, 'c', String('c')]:
with pytest.raises(KeyError):
mi[key]
assert key not in mi
def test_basic_maps():
assert Map(String,Integer)({}).check().ok()
assert Map(String,Integer)({'a':1}).check().ok()
assert Map(String,Integer)(('a', 1)).check().ok()
assert Map(String,Integer)(('a', 1), ('b', 2)).check().ok()
assert not Map(String,Integer)({'a':'{{foo}}'}).check().ok()
assert not Map(Integer,String)({'{{foo}}':'a'}).check().ok()
assert Map(String,Integer)({'a':'{{foo}}'}).bind(foo = 5).check().ok()
with pytest.raises(TypeError):
Map(String,Integer)(a = 1)
with pytest.raises(ValueError):
Map(String,Integer)({'a': 1}, {'b': 2})
for value in [None, type, 123, 'a']:
with pytest.raises(ValueError):
Map(String,Integer)(value)
repr(Map(String,Integer)(('a', 1), ('b', 2)))
def test_map_keys_that_should_improve():
mi = Map(String, Integer)()
for key in [{2: "hello"}, String, Integer, type]:
with pytest.raises(KeyError):
mi[key]
assert key not in mi
def test_map_find():
msi = Map(String,Integer)({'a':1})
assert msi.find(ref('[a]')) == Integer(1)
with pytest.raises(Namable.NamingError):
msi.find(ref('.a'))
with pytest.raises(Namable.NotFound):
msi.find(ref('[b]'))
with pytest.raises(Namable.Unnamable):
msi.find(ref('[a].foo'))
mii = Map(Integer,String)({3: 'foo', '5': 'bar'})
assert mii.find(ref('[3]')) == String('foo')
assert mii.find(ref('[5]')) == String('bar')
class Process(Struct): name = Required(String) resources = Map(String, Resources)
