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4a95d4d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | import pytest
from signature_verification.generate_test_data import generate_test_data
@pytest.fixture
def create_temp_data(tmpdir):
orig_groups = [
[f"{tmpdir}/orig_{i}_{j}.png" for j in range(1, 25)] for i in range(1, 23)
]
forg_groups = [
[f"{tmpdir}/forg_{i}_{j}.png" for j in range(1, 25)] for i in range(1, 23)
]
for group in orig_groups + forg_groups:
for img in group:
with open(img, "w") as f:
f.write("data")
return orig_groups, forg_groups
def test_generate_test_data(create_temp_data):
orig_groups, forg_groups = create_temp_data
actual_all_pairs, actual_all_labels = generate_test_data(orig_groups, forg_groups)
# There are 22 people in test set, 24 choose 2 = 276 Genuine-Genuine image pairs for one person.
# 24 * 12 = 288 Genuine-Forged image pairs for one person.
num_orig_pairs = 276 * 22
num_forg_pairs = 288 * 22
assert len(actual_all_pairs) == num_orig_pairs + num_forg_pairs
assert len(actual_all_labels) == num_orig_pairs + num_forg_pairs
for pair, label in zip(actual_all_labels, actual_all_pairs):
if label == 1:
# if both signatures from the same person
assert any(pair[0] in group and pair[1] in group for group in orig_groups)
elif label == 0:
# if 1 is original and the other is forgery
assert any(
pair[0] in orig_group and pair[1] in forg_group
for orig_group, forg_group in zip(orig_groups, forg_groups)
)
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