def test_filter_where():
assert Fc(
[1, 2, 3, 4, 5, 6,
7]).filter(lambda x: x > 3).filter(lambda x: x < 6).done() == [4, 5]
assert Fc(
[1, 2, 3, 4, 5, 6,
7]).where(lambda x: x > 3).filter(lambda x: x < 6).done() == [4, 5]
def test_makeMultiLineLambda():
assert Fc([1, 2, 3]).map(
m('''
lambda x:
x*=2
return x
''')).done() == [2, 4, 6]
assert Fc([1, 2, 3]).map(
m('''
lambda x,y=1:
x+=y
return x
''')).done() == [2, 3, 4]
assert m('''
lambda *l,**k:
return (l,k)
''')(1, a=2) == ((1, ), {
'a': 2
})
assert Fc([1, 2, 3, 4, 5]).map(
m('''
lambda x:
if x<=0: return 0
else: return x+{self}(x-1)
''')).done() == [1, 3, 6, 10, 15]
def test_dropLast():
try:
Fc([0, 1, 2, 3, 4, 5, 6, 7]).dropLast(-1).done()
assert "FcRangeError not thrown" == "False"
except FcRangeError as e:
assert 1 == 1
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).dropLast(4).done() == [0, 1, 2, 3]
def test_sum():
assert Fc([]).sum() == None
assert Fc([1, 2, 3, 4]).sum() == 10
try:
Fc([1, 2, 3, None]).sum()
assert "FcTypeError not thrown" == "False"
except FcTypeError as e:
assert 1 == 1
def test_insert():
assert Fc([1, 2, 3, 4]).insert(0, 0).done() == [0, 1, 2, 3, 4]
assert Fc([1, 2, 3, 4]).insert(10, 0).done() == [1, 2, 3, 4]
try:
Fc([1, 2, 3, 4]).insert(-1, 1).done()
assert "FcRangeError not thrown" == "False"
except FcRangeError as e:
assert 1 == 1
def test_getAfter():
assert Fc([0, 1, 2, 3, 4, 5, 6,
7]).getAfter(-20).done() == [0, 1, 2, 3, 4, 5, 6, 7]
assert Fc([0, 1, 2, 3, 4, 5, 6,
7]).getAfter(2).done() == [2, 3, 4, 5, 6, 7]
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).getAfter(4, 1).done() == [4]
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).getAfter(0, 2).done() == [0, 1]
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).getAfter(4, 0).done() == []
def test_slice():
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).slice([1, 5, 6]).done() == [1, 5, 6]
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).slice([1, 5, 6,
10]).done() == [1, 5, 6]
try:
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).slice([-1, 2, 3]).done() == [2, 3]
assert "FcRangeError not thrown" == "False"
except FcRangeError as e:
assert 1 == 1
def test_taskLast():
assert Fc([0, 1, 2, 3, 4, 5, 6,
7]).takeLast(10).done() == [0, 1, 2, 3, 4, 5, 6, 7]
try:
Fc([0, 1, 2, 3, 4, 5, 6, 7]).takeLast(-1).done()
assert "FcRangeError not thrown" == "False"
except FcRangeError as e:
assert 1 == 1
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).takeLast(3).done() == [5, 6, 7]
assert Fc([0, 1, 2, 3, 4, 5, 6,
7]).takeLast(8).done() == [0, 1, 2, 3, 4, 5, 6, 7]
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).takeLast(0).done() == []
def test_insertList():
assert Fc([2, 3, 4]).insertList(0, [0, 1]).done() == [0, 1, 2, 3, 4]
assert Fc([2, 3, 4]).insertList(10, [0, 1, 2, 3]).done() == [2, 3, 4]
try:
Fc([2, 3, 4]).insertList(-1, [0]).done()
assert "FcRangeError not thrown" == "False"
except FcRangeError as e:
assert 1 == 1
try:
Fc([2, 3, 4]).insertList(1, 0).done()
assert "FcTypeError not thrown" == "False"
except FcTypeError as e:
assert 1 == 1
def test_product():
assert Fc([1, 2]).product([3, 4]).done() == [
(1, 3),
(1, 4),
(2, 3),
(2, 4),
]
def test_forEachIndexed():
ml = []
Fc([0, 1, 2]).forEachIndexed(lambda i, x: ml.append((i, x)))
assert ml == [
(0, 0),
(1, 1),
(2, 2),
]
def test_add_addTail_addHead_append():
assert Fc([1, 2, 3]).add(4).done() == [1, 2, 3, 4]
assert Fc([1, 2, 3]).addTail(4).done() == [1, 2, 3, 4]
assert Fc([1, 2, 3]).addHead(4).done() == [4, 1, 2, 3]
assert (Fc([1, 2]) + [3, 4]).done() == [1, 2, 3, 4]
assert ([1, 2] + Fc([3, 4])).done() == [1, 2, 3, 4]
assert (Fc([1, 2]) + Fc([3, 4])).done() == [1, 2, 3, 4]
def test_count():
assert Fc([
1,
2,
3,
4,
1,
2,
3,
4,
1,
2,
3,
4,
1,
2,
3,
4,
]).count().sort(lambda x: x[0]).done() == [
(1, 4),
(2, 4),
(3, 4),
(4, 4),
]
def test_filterNotNull():
assert Fc([1, None, None, None, 7]).filterNotNone().done() == [1, 7]
def test_set():
for i in [1, 2, 3]:
assert i in Fc([1, 1, 2, 3, 3]).set()
assert Fc([1, 1, 2, 3, 3]).set().size() == 3
def test_mapIndexed():
assert Fc([1, 2, 3]).mapIndexed(lambda i, x: (i, x)).done() == [
(0, 1),
(1, 2),
(2, 3),
]
def test_filterNot():
assert Fc([1, None, None, None,
7]).filterNot(lambda x: x == None).done() == [1, 7]
def test_magic_add():
assert (Fc([1]) + Fc([2])).done() == [1, 2]
assert (Fc([1]) + [2]).done() == [1, 2]
assert (Fc([2]) + Fc([1])).done() == [2, 1]
assert (Fc([2]) + [1]).done() == [2, 1]
def test_map_select():
assert Fc([1, 2, 3, 4, 5, 6,
7]).map(lambda x: x + 1).done() == [2, 3, 4, 5, 6, 7, 8]
assert Fc([1, 2, 3, 4, 5, 6,
7]).select(lambda x: x + 1).done() == [2, 3, 4, 5, 6, 7, 8]
def test_index():
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).index(3) == 3
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).index(30) == None
def test_joinBy():
assert Fc([1, 2, 3]).joinBy(",") == "1,2,3"
assert Fc([]).joinBy(",") == ""
assert Fc([1]).joinBy(",") == "1"
assert Fc([1, 2]).joinBy(",") == "1,2"
def test_sumBy():
assert Fc([{"a": 1}, {"a": 2}]).sumBy(lambda x: x["a"]) == 3
def test_reversed():
assert Fc([1, 3, 2, 4]).reverse().done() == [4, 2, 3, 1]
def test_max_and_min():
assert Fc([]).max() == None
assert Fc([]).min() == None
assert Fc([1, 2]).max() == 2
assert Fc([1, 2]).min() == 1
def test_all():
assert Fc([1, 1, 1, 1, 1, 1, 1]).all(1) == True
assert Fc([1, 1, 1, 1, 1, 1, 1]).all(2) == False
assert Fc([1, 1, 2, 1, 1, 1, 1]).all(1) == False
assert Fc([1, 1, 2, 1, 1, 1, 1]).all(2) == False
def test_any():
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).any(3) == True
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).any(10) == False
def test_singleOrNull():
assert Fc([1, 2, 3, 4, 5, 6, 7]).singleOrNone(lambda x: x == 10) == None
assert Fc([1, 2, 3, 4, 5, 6, 7]).singleOrNone(lambda x: x >= 3) == None
assert Fc([1, 2, 3, 4, 5, 6, 7]).singleOrNone(lambda x: x == 3) == 3
def test_magic_iter():
nl = []
for i in Fc([1, 2, 3, 4, 5, 6, 7]).filter(lambda x: x > 2 and x < 5):
nl.append(i)
assert nl == [3, 4]
def test_none():
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).none(10)
assert not Fc([0, 1, 2, 3, 4, 5, 6, 7]).none(1)
def test_empty():
assert Fc([0, 1, 2, 3, 4, 5, 6, 7]).empty() == False
assert Fc([]).empty() == True