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fdl.test.py
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fdl.test.py
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"""Tests fdl.py"""
from fdl import apply, step, compute, flatten, parse
def test(func, tests):
"""
Executes a number of tests on a function.
`tests` is a list of lists, each representing one test.
The test lists are in the format [args, expected_outp]
"""
success = True
for i, test in enumerate(tests):
val = func(*test[0])
expect = test[1]
if val != expect:
print("✕ Failed on test", i, val, "!=", expect)
success = False
else:
print("✓ Test",i)
return success
print("== Apply")
test(apply, (
(("F", ["A", "B"], ["F", "X", "Y"]),
[["A", "B"], "X", "Y"]),
(("F", ["A", "B"], ["X", "Y", "F"]),
["X", "Y", ["A", "B"]]),
(("F", ["A", "B"], ["F"]),
[["A", "B"]]),
(("F", ["A", "B"], ["X", "Y"]),
["X", "Y"]),
(("F", ["A", "B"], ["X", "F", "Y"]),
["X", ["A", "B"], "Y"]),
(("F", list("FLFRFLF"), list("FRFRF")), [
["F", "L", "F", "R", "F", "L", "F"],
"R",
["F", "L", "F", "R", "F", "L", "F"],
"R",
["F", "L", "F", "R", "F", "L", "F"]
])
))
print("== Step")
test(step, (
(
(
{
"F": ["A", "B"],
"G": ["C", "D"]
},
list("FRGRF"),
),
list("ABRCDRAB")
),
(
(
{},
list("FRGRF"),
),
list("FRGRF")
),
(
(
{
"F": ["A", "B"],
},
list("GRG"),
),
list("GRG")
),
))
print("== Compute")
test(compute, (
(
(
3, # depth
{ # rules
"F": ["A", "F", "B"],
"G": ["F"]
},
list("FRG"), # state
),
list("AAAFBBBRAAFBB") # expected
),
(
(
0,
{
"F": ["A", "F", "B"],
"G": ["F"]
},
list("FRG"),
),
list("FRG")
)
))
print("== Flatten")
test(flatten, (
[[[1, 2, [3, 4]]], [1, 2, 3, 4]],
[[[1, 2, []]], [1, 2]],
[[[]], []],
[[[[1, 2], [3, 4]]], [1, 2, 3, 4]],
[[[[[1], 2], 3]], [1, 2, 3]]
))
print("== Parse")
tests = (
( # first test
"files/dragon.fdl",
{
"start": ["F", "X"],
"3d": False,
"length": 3,
"depth": 13,
"width": 1,
"color": ["rainbow"],
"rules": {
"X": ["X", "R", "Y", "F"],
"Y": ["F", "X", "L", "Y"],
},
"cmds": {
"F": ("fd", []),
"X": ("nop", []),
"Y": ("nop", []),
"L": ("lt", [90]),
"R": ("rt", [90]),
}
}
),
)
for i, test in enumerate(tests):
val = parse(test[0])
expect = test[1]
if val != expect:
print("✕ Failed on test", i)
for key in val:
if key not in expect:
print(" Extra key:", key)
elif val[key] != expect[key]:
print(" Different value:", key, val[key], "!=", expect[key])
for key in expect:
if key not in val:
print(" Missing key:", key)
else:
print("✓ Test", i)