Files
kapow/spec/test/features/steps/comparedict.py
Roberto Abdelkader Martínez Pérez 3649db92b0 Fail if one lists differ in size
2019-08-23 12:51:35 +02:00

44 lines
1013 B
Python

from functools import singledispatch
from itertools import zip_longest
from jsonexample import ANY
def assert_same_type(f):
def wrapper(a, b):
if type(a) != type(b):
raise TypeError(f"Non-matching types {a!r} != {b!r}")
return f(a, b)
return wrapper
@singledispatch
@assert_same_type
def is_subset(model, obj):
if model == obj:
return True
else:
raise ValueError(f"Non-matching values {model!r} != {obj!r}")
@is_subset.register(dict)
@assert_same_type
def _(model, obj):
for key, value in model.items():
if key not in obj or not is_subset(value, obj[key]):
raise ValueError(f"Non-matching dicts {model!r} != {obj!r}")
return True
@is_subset.register(list)
@assert_same_type
def _(model, obj):
for a, b in zip_longest(model, obj):
if not is_subset(a, b):
raise ValueError(f"Non-matching list member {a!r} in {b!r}")
return True
@is_subset.register(ANY)
def _(model, obj):
return True