wehub-resource-sync
23 lines
1.0 KiB
Python
23 lines
1.0 KiB
Python
# Copyright (c) ModelScope Contributors. All rights reserved.
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from swift.template import TemplateMeta
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def test_replace_system_preserves_non_string_elements():
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"""_replace_system must not drop list elements like ['bos_token_id'].
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Templates such as ziya, bluelm and emu3_chat use
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``prefix=[['bos_token_id'], '{{SYSTEM}}']``. When no system message is
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provided the prefix is produced by _replace_system, which should keep every
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non-string element intact and only strip the placeholder from strings.
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"""
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meta = TemplateMeta(
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template_type='_test_replace_system_bug',
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prefix=[['bos_token_id'], '{{SYSTEM}}'],
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prompt=['{{QUERY}}'],
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chat_sep=['\n'],
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)
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# __post_init__ moves prefix to system_prefix and builds a no-system prefix
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# via _replace_system. The list element must survive.
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assert any(isinstance(p, list) for p in meta.prefix), (f'_replace_system dropped the bos_token_id list; '
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f'meta.prefix={meta.prefix!r}')
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