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from snakeoil import currying
from snakeoil import dependant_methods as dm
def func(self, seq, data, val=True):
seq.append(data)
return val
class TestDependantMethods:
@staticmethod
def generate_instance(methods, dependencies):
class Class(metaclass=dm.ForcedDepends):
stage_depends = dict(dependencies)
locals().update(list(methods.items()))
return Class()
def test_no_dependant_methods(self):
assert self.generate_instance({}, {})
def test_return_checking(self):
results = []
o = self.generate_instance(
{str(x): currying.post_curry(func, results, x) for x in range(10)},
{str(x): str(x - 1) for x in range(1, 10)})
getattr(o, "9")()
assert results == list(range(10))
results = []
o = self.generate_instance(
{str(x): currying.post_curry(func, results, x, False) for x in range(10)},
{str(x): str(x - 1) for x in range(1, 10)})
getattr(o, "9")()
assert results == [0]
getattr(o, "9")()
assert results == [0, 0]
def test_stage_awareness(self):
results = []
o = self.generate_instance(
{str(x): currying.post_curry(func, results, x) for x in range(10)},
{str(x): str(x - 1) for x in range(1, 10)})
getattr(o, "1")()
assert results == [0, 1]
getattr(o, "2")()
assert results == [0, 1, 2]
getattr(o, "2")()
assert results == [0, 1, 2]
o.__set_stage_state__(["0", "1"])
l = []
o.__stage_step_callback__ = l.append
getattr(o, "2")()
assert results == [0, 1, 2, 2]
assert l == ["2"]
def test_stage_depends(self):
results = []
methods = {str(x): currying.post_curry(func, results, x) for x in range(10)}
deps = {str(x): str(x - 1) for x in range(1, 10)}
deps["1"] = ["0", "a"]
methods["a"] = currying.post_curry(func, results, "a")
o = self.generate_instance(methods, deps)
getattr(o, "1")()
assert results == [0, "a", 1]
getattr(o, "2")()
assert results == [0, "a", 1, 2]
def test_ignore_deps(self):
results = []
o = self.generate_instance(
{str(x): currying.post_curry(func, results, x) for x in range(10)},
{str(x): str(x - 1) for x in range(1, 10)})
getattr(o, '2')(ignore_deps=True)
assert [2] == results
def test_no_deps(self):
results = []
o = self.generate_instance(
{str(x): currying.post_curry(func, results, x) for x in range(10)},
{})
getattr(o, '2')()
assert [2] == results
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