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cleanup the test and add more checks
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1 changed files with 18 additions and 12 deletions
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@ -126,29 +126,35 @@ def test_chunkindex_summarize(self):
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class HashIndexExtraTestCase(BaseTestCase):
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"""These tests are separate because they should not become part of the selftest
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"""These tests are separate because they should not become part of the selftest.
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"""
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def test_chunk_indexer(self):
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# see _hashindex.c hash_sizes, we want to be close to the max fill rate
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# because interesting errors happen there
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max_key = int(65537 * 0.75) - 10
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index = ChunkIndex(max_key)
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deleted_keys = [
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hashlib.sha256(H(k)).digest()
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for k in range(-1, -(max_key//3), -1)]
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keys = [hashlib.sha256(H(k)).digest() for k in range(max_key)]
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# see _hashindex.c hash_sizes, we want to be close to the max. load
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# because interesting errors happen there.
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key_count = int(65537 * ChunkIndex.MAX_LOAD_FACTOR) - 10
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index = ChunkIndex(key_count)
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all_keys = [hashlib.sha256(H(k)).digest() for k in range(key_count)]
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# we're gonna delete 1/3 of all_keys, so let's split them 2/3 and 1/3:
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keys, to_delete_keys = all_keys[0:(2*key_count//3)], all_keys[(2*key_count//3):]
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for i, key in enumerate(keys):
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index[key] = (i, i, i)
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for i, key in enumerate(deleted_keys):
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for i, key in enumerate(to_delete_keys):
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index[key] = (i, i, i)
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for key in deleted_keys:
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for key in to_delete_keys:
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del index[key]
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for i, key in enumerate(keys):
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assert index[key] == (i, i, i)
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for key in deleted_keys:
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for key in to_delete_keys:
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assert index.get(key) is None
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# now delete every key still in the index
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for key in keys:
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del index[key]
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# the index should now be empty
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assert list(index.iteritems()) == []
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class HashIndexSizeTestCase(BaseTestCase):
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def test_size_on_disk(self):
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