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39 lines
1.6 KiB
Python
39 lines
1.6 KiB
Python
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"""`header_safe_transforms` keeps the comma-joined transforms header splittable.
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`x-headroom-transforms` is built as ``",".join(transforms_applied)``. The
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enriched ``read_lifecycle:<state>:<path>`` and ``smart_crush:<n>:<names>`` tags
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can contain commas, which would make that header ambiguous; the helper collapses
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them back to their legacy counter shape so each header token stays comma-free.
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"""
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from __future__ import annotations
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from headroom.proxy.cost import header_safe_transforms
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def test_strips_smart_crush_tool_names():
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assert header_safe_transforms(["smart_crush:2:Bash,Grep"]) == ["smart_crush:2"]
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def test_strips_read_lifecycle_path():
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assert header_safe_transforms(["read_lifecycle:stale:/src/App.tsx"]) == ["read_lifecycle:stale"]
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def test_strips_read_lifecycle_path_with_comma():
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# A path containing a comma is exactly the case that would corrupt the header.
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assert header_safe_transforms(["read_lifecycle:superseded:/tmp/a,b/x.py"]) == [
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"read_lifecycle:superseded"
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]
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def test_passes_through_legacy_and_unrelated_tags():
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tags = ["smart_crush:3", "read_lifecycle:stale", "router:excluded:tool", "smart:lossless:table"]
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assert header_safe_transforms(tags) == tags
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def test_joined_header_remains_unambiguous():
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tags = ["smart_crush:2:Bash,Grep", "read_lifecycle:stale:/a,b.py", "router:excluded:tool"]
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header = ",".join(header_safe_transforms(tags))
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# One token per tag — no stray commas leaking in from enriched detail.
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assert header.split(",") == ["smart_crush:2", "read_lifecycle:stale", "router:excluded:tool"]
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