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test(dialect): strengthen compression_stats and count_tokens assertions #150

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test(dialect): strengthen compression_stats and count_tokens assertions #150

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5 changes: 5 additions & 0 deletions tests/test_dialect.py
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Original file line number Diff line number Diff line change
Expand Up @@ -111,9 +111,14 @@ def test_stats(self):
stats = d.compression_stats(original, compressed)
assert stats["size_ratio"] > 1
assert stats["original_chars"] > stats["summary_chars"]
assert stats["original_tokens_est"] > stats["summary_tokens_est"]

def test_count_tokens(self):
# count_tokens uses a word-based heuristic (~1.3 tokens per word).
# "hello world" is 2 words -> max(1, int(2 * 1.3)) == 2.
assert Dialect.count_tokens("hello world") == 2
assert Dialect.count_tokens("") == 1
assert Dialect.count_tokens("one") == 1

def test_compression_stats_keys(self):
"""Verify compression_stats() returns the expected key set."""
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