def minimum_index(seq):
if len(seq) == 0:
raise ValueError("Cannot get the minimum value index from an empty sequence")
min_idx = 0
for i in range(1, len(seq)):
if seq[i] < seq[min_idx]:
min_idx = i
return min_idx
class TestDataEmptyArray(object):
@staticmethod
def get_array():
# complete this function
return []
class TestDataUniqueValues(object):
data=[]
for i in range(10):
data.append(10-i)
@staticmethod
def get_array():
# complete this function
return TestDataUniqueValues.data
@staticmethod
def get_expected_result():
# complete this function
data = TestDataUniqueValues.get_array()######
return data.index(min(data)) #####
class TestDataExactlyTwoDifferentMinimums(object):
data =[]
for i in range(10):
data.append(i)
data.append(0)
@staticmethod
def get_array():
# complete this function
return TestDataExactlyTwoDifferentMinimums.data
@staticmethod
def get_expected_result():
# complete this function
data=TestDataExactlyTwoDifferentMinimums.get_array()
return data.index(min(data))
def TestWithEmptyArray():
try:
seq = TestDataEmptyArray.get_array()
result = minimum_index(seq)
except ValueError as e:
pass
else:
assert False
def TestWithUniqueValues():
seq = TestDataUniqueValues.get_array()
assert len(seq) >= 2
assert len(list(set(seq))) == len(seq)
expected_result = TestDataUniqueValues.get_expected_result()
result = minimum_index(seq)
assert result == expected_result
def TestiWithExactyTwoDifferentMinimums():
seq = TestDataExactlyTwoDifferentMinimums.get_array()
assert len(seq) >= 2
tmp = sorted(seq)
assert tmp[0] == tmp[1] and (len(tmp) == 2 or tmp[1] < tmp[2])
expected_result = TestDataExactlyTwoDifferentMinimums.get_expected_result()
result = minimum_index(seq)
assert result == expected_result
TestWithEmptyArray()
TestWithUniqueValues()
TestiWithExactyTwoDifferentMinimums()
print("OK")
