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test_loops.py
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test_loops.py
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from .make_knitpaint import make_knitpaint
from .. import check
def assert_from_to(loops, src_course, src_wale, dst_course, dst_wale):
"""
Helper method to assert if a loop goes from one position to another
:param loops:
:param src_course:
:param src_wale:
:param dst_course:
:param dst_wale:
:return:
"""
matches = [l for l in loops if l.src_course == src_course and l.src_wale == src_wale
and l.dst_course == dst_course and l.dst_wale == dst_wale]
assert len(matches) == 1, "Expected loop was not found"
def test_single_jersey():
input_pattern = make_knitpaint([[1, 1, 1],
[1, 1, 1]])
loops = check(input_pattern)
assert len(loops) == len(input_pattern.bitmap_data)
assert_from_to(loops, 0, 0, 1, 0)
assert_from_to(loops, 0, 1, 1, 1)
assert_from_to(loops, 0, 2, 1, 2)
assert_from_to(loops, 1, 0, None, None)
assert_from_to(loops, 1, 1, None, None)
assert_from_to(loops, 1, 2, None, None)
assert loops[0].prev_loop is None
assert loops[0].next_loop is loops[1]
assert loops[0].dst_loop is loops[5]
assert loops[1].prev_loop is loops[0]
assert loops[1].next_loop is loops[2]
assert loops[1].dst_loop is loops[4]
assert loops[2].prev_loop is loops[1]
assert loops[2].next_loop is loops[3]
assert loops[2].dst_loop is loops[3]
assert len(loops[4].src_loops) == 1
assert loops[4].src_loops[0] is loops[1]
def test_links_process_1():
input_pattern = make_knitpaint([[2, 1, 2],
[1, 2, 1]])
loops = check(input_pattern)
assert len(loops) == len(input_pattern.bitmap_data)
assert_from_to(loops, 0, 0, 1, 0)
assert_from_to(loops, 0, 1, 1, 1)
assert_from_to(loops, 0, 2, 1, 2)
assert_from_to(loops, 1, 0, None, None)
assert_from_to(loops, 1, 1, None, None)
assert_from_to(loops, 1, 2, None, None)
def test_links_process_2():
input_pattern = make_knitpaint([[1, 1, 1],
[1, 16, 1],
[1, 2, 1]])
loops = check(input_pattern)
assert len(loops) == len(input_pattern.bitmap_data) - 1
assert_from_to(loops, 0, 1, None, None)
assert_from_to(loops, 2, 1, None, None)
def test_links_process_3():
input_pattern = make_knitpaint([[1, 1, 1, 1, 1],
[1, 8, 1, 9, 1]])
# No error should occur since links process suppresses transfer at the end of move
loops = check(input_pattern)
assert len(loops) > 0
def test_links_process_4():
input_pattern = make_knitpaint([*[[1, 1, 2, 1]] * 8,
[1, 4, 5, 1],
[1, 1, 1, 1]])
# No error should occur since links process suppresses transfer at the end of move
loops = check(input_pattern)
assert len(loops) > 0
def test_links_process_5():
input_pattern = make_knitpaint([*[[1, 2, 1]] * 8,
[1, 116, 1],
[1, 1, 1]])
# No error should occur
loops = check(input_pattern)
assert len(loops) > 0
assert_from_to(loops, 0, 1, 2, 1)
def test_miss_1():
input_pattern = make_knitpaint([[1, 1, 1, 1, 1, 1, 1],
[1, 16, 1, 116, 1, 117, 1],
[1, 1, 1, 1, 1, 1, 1]])
loops = check(input_pattern)
assert len(loops) == len(input_pattern.bitmap_data) - 3
assert_from_to(loops, 0, 0, 1, 0)
assert_from_to(loops, 0, 1, 2, 1)
assert_from_to(loops, 0, 2, 1, 2)
assert_from_to(loops, 0, 3, 2, 3)
assert_from_to(loops, 0, 4, 1, 4)
assert_from_to(loops, 0, 5, 2, 5)
assert_from_to(loops, 0, 6, 1, 6)
assert_from_to(loops, 1, 0, 2, 0)
assert_from_to(loops, 1, 2, 2, 2)
assert_from_to(loops, 1, 4, 2, 4)
assert_from_to(loops, 1, 6, 2, 6)
assert_from_to(loops, 2, 1, None, None)
assert_from_to(loops, 2, 2, None, None)
assert_from_to(loops, 2, 3, None, None)
assert_from_to(loops, 2, 4, None, None)
assert_from_to(loops, 2, 5, None, None)
assert_from_to(loops, 2, 6, None, None)
assert loops[3].dst_loop is loops[14]
assert len(loops[14].src_loops) == 1
assert loops[14].src_loops[0] is loops[3]
def test_miss_2():
input_pattern = make_knitpaint([[1, 1, 1, 2, 2, 2],
[1, 116, 1, 2, 117, 2],
[7, 1, 1, 2, 2, 8]])
# No error should occur
loops = check(input_pattern)
assert len(loops) > 0
def test_tuck():
input_pattern = make_knitpaint([[1, 1, 1, 2, 2, 2],
[1, 11, 1, 2, 12, 2],
[1, 1, 1, 2, 2, 2]])
loops = check(input_pattern)
assert len(loops) == len(input_pattern.bitmap_data)
assert_from_to(loops, 0, 0, 1, 0)
assert_from_to(loops, 0, 1, 2, 1)
assert_from_to(loops, 0, 2, 1, 2)
assert_from_to(loops, 0, 3, 1, 3)
assert_from_to(loops, 0, 4, 2, 4)
assert_from_to(loops, 0, 5, 1, 5)
assert_from_to(loops, 1, 0, 2, 0)
assert_from_to(loops, 1, 1, 2, 1)
assert_from_to(loops, 1, 2, 2, 2)
assert_from_to(loops, 1, 3, 2, 3)
assert_from_to(loops, 1, 4, 2, 4)
assert_from_to(loops, 1, 5, 2, 5)
assert_from_to(loops, 2, 0, None, None)
assert_from_to(loops, 2, 1, None, None)
assert_from_to(loops, 2, 2, None, None)
assert_from_to(loops, 2, 3, None, None)
assert_from_to(loops, 2, 4, None, None)
assert_from_to(loops, 2, 5, None, None)
assert len(loops[7].src_loops) == 0
assert len(loops[10].src_loops) == 0
assert len(loops[13].src_loops) == 2
assert len(loops[16].src_loops) == 2
def test_single_move():
input_pattern = make_knitpaint([[1, 1, 1, 1, 1, 1, 1, 1, 1],
[1, 6, 1, 8, 1, 7, 1, 9, 1]])
loops = check(input_pattern)
assert len(loops) == len(input_pattern.bitmap_data)
assert_from_to(loops, 0, 0, 1, 0)
assert_from_to(loops, 0, 1, 1, 0)
assert_from_to(loops, 0, 2, 1, 2)
assert_from_to(loops, 0, 3, 1, 2)
assert_from_to(loops, 0, 4, 1, 4)
assert_from_to(loops, 0, 5, 1, 6)
assert_from_to(loops, 0, 6, 1, 6)
assert_from_to(loops, 0, 7, 1, 8)
assert_from_to(loops, 0, 8, 1, 8)
def test_multi_move_left():
input_pattern = make_knitpaint([[1, 1, 1, 1, 1, 1],
[1, 6, 6, 61, 62, 1]])
loops = check(input_pattern)
assert len(loops) == len(input_pattern.bitmap_data)
assert_from_to(loops, 0, 0, 1, 0)
assert_from_to(loops, 0, 1, 1, 0)
assert_from_to(loops, 0, 2, 1, 1)
assert_from_to(loops, 0, 3, 1, 2)
assert_from_to(loops, 0, 4, 1, 2)
assert_from_to(loops, 0, 5, 1, 5)
def test_multi_move_right():
input_pattern = make_knitpaint([[1, 1, 1, 1, 1, 1],
[1, 72, 71, 7, 7, 1]])
loops = check(input_pattern)
assert len(loops) == len(input_pattern.bitmap_data)
assert_from_to(loops, 0, 0, 1, 0)
assert_from_to(loops, 0, 1, 1, 3)
assert_from_to(loops, 0, 2, 1, 3)
assert_from_to(loops, 0, 3, 1, 4)
assert_from_to(loops, 0, 4, 1, 5)
assert_from_to(loops, 0, 5, 1, 5)
def test_back_move_with_miss():
input_pattern = make_knitpaint([[2, 2, 2, 2, 2, 2, 2],
[2, 2, 16, 2, 16, 2, 2],
[2, 2, 8, 1, 9, 2, 2],
[2, 2, 2, 1, 2, 2, 2]])
loops = check(input_pattern)
assert_from_to(loops, 0, 1, 1, 1)
assert_from_to(loops, 0, 2, 1, 2)
assert_from_to(loops, 0, 3, 1, 3)
assert_from_to(loops, 0, 4, 1, 4)
assert_from_to(loops, 0, 5, 1, 5)
assert_from_to(loops, 1, 1, 2, 1)
assert_from_to(loops, 1, 2, 2, 1)
assert_from_to(loops, 1, 3, 2, 3)
assert_from_to(loops, 1, 4, 2, 5)
assert_from_to(loops, 1, 5, 2, 5)
def test_cables():
input_pattern = make_knitpaint([[1, 1, 1, 1, 1, 1],
[1, 4, 4, 5, 5, 1]])
loops = check(input_pattern)
assert len(loops) == len(input_pattern.bitmap_data)
assert_from_to(loops, 0, 0, 1, 0)
assert_from_to(loops, 0, 1, 1, 3)
assert_from_to(loops, 0, 2, 1, 4)
assert_from_to(loops, 0, 3, 1, 1)
assert_from_to(loops, 0, 4, 1, 2)
assert_from_to(loops, 0, 5, 1, 5)