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单元测试 — 评估模块 (Person D 实现后需通过)
"""
import pytest
import torch
class TestMetrics:
"""测试评估指标。"""
def test_bleu_perfect(self):
"""完美翻译的 BLEU 应接近 100。"""
pass
def test_bleu_zero(self):
"""完全不相关的翻译 BLEU 应接近 0。"""
pass
def test_chrf_score(self):
"""测试 chrF 分数范围合理。"""
pass
class TestDecoding:
"""测试解码策略。"""
def test_greedy_decode_shape(self):
"""测试贪心解码输出维度。"""
pass
def test_greedy_produces_eos(self):
"""测试贪心解码能生成 EOS。"""
pass
def test_beam_search_better_than_greedy(self):
"""束搜索质量应不低于贪心。"""
pass
def test_no_repeat_ngram(self):
"""测试 n-gram 不重复约束。"""
pass
class TestEvaluator:
"""测试评估器。"""
def test_translate_single(self):
"""测试单句翻译。"""
pass
def test_translate_batch(self):
"""测试批量翻译。"""
pass
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