def test_dimension_or_perseus_file_constructor():
# Create test file
test_file = open("CubicalOneSphere.txt", "w")
test_file.write("2\n3\n3\n0\n0\n0\n0\n100\n0\n0\n0\n0\n")
test_file.close()
# CubicalComplex can be constructed from dimensions and
# top_dimensional_cells OR from a Perseus-style file name.
cub = CubicalComplex(
dimensions=[3, 3],
top_dimensional_cells=[1, 2, 3, 4, 5, 6, 7, 8, 9],
perseus_file="CubicalOneSphere.txt",
)
assert cub.__is_defined() == False
assert cub.__is_persistence_defined() == False
cub = CubicalComplex(
top_dimensional_cells=[1, 2, 3, 4, 5, 6, 7, 8, 9],
perseus_file="CubicalOneSphere.txt",
)
assert cub.__is_defined() == False
assert cub.__is_persistence_defined() == False
cub = CubicalComplex(dimensions=[3, 3],
perseus_file="CubicalOneSphere.txt")
assert cub.__is_defined() == False
assert cub.__is_persistence_defined() == False
def simple_constructor(cub):
cub = CubicalComplex(dimensions=[3, 3],
top_dimensional_cells=[1, 2, 3, 4, 5, 6, 7, 8, 9])
assert cub.__is_defined() == True
assert cub.__is_persistence_defined() == False
assert cub.persistence() == [(0, (1.0, float("inf")))]
assert cub.__is_persistence_defined() == True
assert cub.betti_numbers() == [1, 0, 0]
assert cub.persistent_betti_numbers(0, 1000) == [0, 0, 0]
def test_dimension_file_constructor():
# Create test file
test_file = open("CubicalOneSphere.txt", "w")
test_file.write("2\n3\n3\n0\n0\n0\n0\n100\n0\n0\n0\n0\n")
test_file.close()
cub = CubicalComplex(perseus_file="CubicalOneSphere.txt")
assert cub.__is_defined() == True
assert cub.__is_persistence_defined() == False
assert cub.persistence() == [(1, (0.0, 100.0)), (0, (0.0, float("inf")))]
assert cub.__is_persistence_defined() == True
assert cub.betti_numbers() == [1, 0, 0]
assert cub.persistent_betti_numbers(0, 1000) == [1, 0, 0]
def test_user_case_simple_constructor():
cub = CubicalComplex(
dimensions=[3, 3],
top_dimensional_cells=[
float("inf"), 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0
],
)
assert cub.__is_defined() == True
assert cub.__is_persistence_defined() == False
assert cub.persistence() == [(1, (0.0, 1.0)), (0, (0.0, float("inf")))]
assert cub.__is_persistence_defined() == True
other_cub = CubicalComplex(
dimensions=[3, 3],
top_dimensional_cells=[1000.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0],
)
assert other_cub.persistence() == [(1, (0.0, 1.0)),
(0, (0.0, float("inf")))]
def test_non_existing_perseus_file_constructor():
# Try to open a non existing file
cub = CubicalComplex(perseus_file="pouetpouettralala.toubiloubabdou")
assert cub.__is_defined() == False
assert cub.__is_persistence_defined() == False
def test_empty_constructor():
# Try to create an empty CubicalComplex
cub = CubicalComplex()
assert cub.__is_defined() == False
assert cub.__is_persistence_defined() == False