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d62349b | 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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | """Tests pour picarones.report.diff_utils."""
import pytest
from picarones.report.diff_utils import compute_word_diff, compute_char_diff, diff_stats
class TestComputeWordDiff:
def test_equal_texts(self):
ops = compute_word_diff("bonjour monde", "bonjour monde")
assert len(ops) == 1
assert ops[0]["op"] == "equal"
assert ops[0]["text"] == "bonjour monde"
def test_empty_reference(self):
ops = compute_word_diff("", "bonjour")
assert any(o["op"] == "insert" for o in ops)
def test_empty_hypothesis(self):
ops = compute_word_diff("bonjour", "")
assert any(o["op"] == "delete" for o in ops)
def test_both_empty(self):
ops = compute_word_diff("", "")
assert ops == []
def test_insertion(self):
ops = compute_word_diff("le chat", "le grand chat")
assert any(o["op"] == "insert" and "grand" in o["text"] for o in ops)
def test_deletion(self):
ops = compute_word_diff("le grand chat", "le chat")
assert any(o["op"] == "delete" and "grand" in o["text"] for o in ops)
def test_replacement(self):
ops = compute_word_diff("le chat dort", "le chien dort")
assert any(o["op"] == "replace" and "chat" in o["old"] and "chien" in o["new"] for o in ops)
def test_ops_cover_all_words(self):
ref = "Bonjour monde médiéval"
hyp = "Bonjour univers médiéval"
ops = compute_word_diff(ref, hyp)
# Reconstruction de la référence depuis les ops equal+delete+replace.old
ref_reconstructed = []
for op in ops:
if op["op"] in ("equal", "delete"):
ref_reconstructed.extend(op["text"].split())
elif op["op"] == "replace":
ref_reconstructed.extend(op["old"].split())
assert ref_reconstructed == ref.split()
def test_result_is_list_of_dicts(self):
ops = compute_word_diff("texte", "text")
assert isinstance(ops, list)
assert all(isinstance(o, dict) for o in ops)
def test_all_ops_have_op_key(self):
ops = compute_word_diff("abc def ghi", "abc xyz ghi")
assert all("op" in o for o in ops)
def test_valid_op_types(self):
valid_ops = {"equal", "insert", "delete", "replace"}
ops = compute_word_diff("un deux trois", "un trois quatre")
assert all(o["op"] in valid_ops for o in ops)
class TestComputeCharDiff:
def test_equal(self):
ops = compute_char_diff("abc", "abc")
assert len(ops) == 1
assert ops[0]["op"] == "equal"
def test_single_char_replace(self):
ops = compute_char_diff("abc", "axc")
assert any(o["op"] == "replace" and o["old"] == "b" and o["new"] == "x" for o in ops)
def test_empty_strings(self):
assert compute_char_diff("", "") == []
class TestDiffStats:
def test_empty(self):
stats = diff_stats([])
assert stats == {"equal": 0, "insert": 0, "delete": 0, "replace": 0}
def test_counts(self):
ops = [
{"op": "equal", "text": "a"},
{"op": "insert", "text": "b"},
{"op": "delete", "text": "c"},
{"op": "replace", "old": "d", "new": "e"},
{"op": "equal", "text": "f"},
]
stats = diff_stats(ops)
assert stats["equal"] == 2
assert stats["insert"] == 1
assert stats["delete"] == 1
assert stats["replace"] == 1
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