def test_sparsearray_append():
""" Tests that you can append to the sparse array """
sa = SparseArray(LIST1)
sa.append(LIST2)
assert str(sa) == str(LIST1 + LIST2)
assert len(sa) == 21
def test_sparsearray_slice():
""" Tests that you can get slices from the sparse array """
sa = SparseArray(LIST1)
sa.append(LIST2)
list3 = LIST1 + LIST2
assert sa[0:4] == list3[0:4]
assert sa[5:10] == list3[5:10]
assert sa[10:21] == list3[10:21]
assert sa[-1::2] == list3[-1::2]
def test_sparsearray_del():
""" Tests that you can delete an element from the sparse array """
sa = SparseArray(LIST1)
del sa[4]
print(sa)
assert sa[4] == 0
assert len(sa) == 18
def test_sparsearray_set_get_value():
""" Tests that you can get and set values to the sparse array """
sa = SparseArray(LIST1)
sa[1] = 2
sa[2] = 0
with pytest.raises(IndexError):
print(sa[20])
with pytest.raises(IndexError):
sa[20] = 10
sa[0] = 0
assert sa[0] == 0
assert sa[1] == 2
assert sa[2] == 0
def test_sparsearray_repr():
""" Tests that repr(SparseArray) is correctly implemented """
sa = SparseArray(LIST1)
print(repr(LIST1))
assert repr(sa) == repr(LIST1)
def test_sparsearray_str():
""" Tests that str(SparseArray) is correctly implemented """
sa = SparseArray(LIST1)
assert str(sa) == str(LIST1)
def test_sparsearray_init():
""" Tests that a sparsearray can be initialized """
sa = SparseArray(LIST1)
print(sa.array)
assert sa.array[0] == sa.array[4] == sa.array[5] == sa.array[
10] == sa.array[14] == 1
def test_sparsearray_len():
""" Tests that length is returned properly """
sa = SparseArray(LIST1)
print(sa)
assert len(sa) == len(LIST1)
def test_append():
sa = SparseArray([2, 3, 0, 0, 0, 7, 0])
sa.append(1)
assert sa[8] == 1
assert len(sa) == 8
def test_set():
sa = SparseArray([2, 3, 0, 0, 0, 7, 0])
sa[0] = 1
assert sa[0] == 1
def test_get():
sa = SparseArray([2, 3, 0, 0, 0, 7, 0])
assert sa[3] == 0
assert sa[0] == 2
def test_del():
sa = SparseArray([2, 3, 0])
del sa[0]
assert sa.array == {0: 3}
assert len(sa) == 2
def test_length():
sa = SparseArray([2, 3, 0, 0, 0, 7, 0])
assert len(sa) == 7
del sa[1]
assert len(sa) == 6