tegwick
c3e2f05ee5
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Assistant: claude-code Assistant-Model: opus Assistant-Process: 252470@bnt-lap001 Assistant-Session: ad628c8f-4be2-4979-94c9-76c7ed6f8241
78 lines
2.9 KiB
Python
78 lines
2.9 KiB
Python
"""v0.2 destination transforms (spec v0.2 section 12.1)."""
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import pytest
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from mas_conformance import statute_document
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from mas_core.generator import DESTINATION_PROFILES, CannotExpress, for_destination
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from mas_core.statute import build_statute
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def statute(resource=True, interaction=True, id_case="insensitive", version="0.2"):
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doc = statute_document("valid-great-service.json")
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doc["mas_version"] = version
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if version == "0.2":
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doc["alternate_syntax"] = {"resource": resource, "interaction": interaction}
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doc["equivalence"]["resource_id_case"] = id_case
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return build_statute(doc, "great-service.example")
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V2 = statute()
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IONOS = DESTINATION_PROFILES["ionos-forward"]
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def test_canonical_when_nothing_is_needed():
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r = for_destination("ticket=GS-1+comments", V2, ())
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assert (r.local_part, r.applied) == ("ticket=GS-1+comments", ())
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def test_ionos_forward_profile():
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# the MAS-WP-0003 case: IONOS refuses '=' and forces lower case
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r = for_destination("ticket=GS-85QJ8WC09P+comments", V2, IONOS)
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assert r.local_part == "ticket--gs-85qj8wc09p+comments"
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assert r.applied == ("resource-alternate", "lowercase")
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def test_transforms_apply_only_where_they_change_something():
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assert for_destination("support", V2, IONOS).applied == ()
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assert for_destination("ticket=gs-1", V2, IONOS).applied == ("resource-alternate",)
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def test_interaction_alternate():
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assert for_destination("ticket!callback", V2, ("interaction-alternate",)).local_part == "ticket---callback"
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@pytest.mark.parametrize("st, code", [
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(statute(resource=False), "transform-not-permitted"), # no '--' switch
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(statute(version="0.1"), "transform-not-permitted"), # v0.1 statute
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(statute(id_case="exact"), "would-be-misread"), # lower-casing changes the id
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])
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def test_refuses_what_the_namespace_would_misread(st, code):
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with pytest.raises(CannotExpress) as e:
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for_destination("ticket=GS-1", st, IONOS)
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assert e.value.code == code
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def test_refuses_id_containing_equals():
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with pytest.raises(CannotExpress) as e:
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for_destination("ticket=RE=2026-4711", V2, ("resource-alternate",))
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assert e.value.code == "cannot-express"
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def test_refuses_case_change_in_facet():
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with pytest.raises(CannotExpress) as e:
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for_destination("ticket=gs-1+Comments", V2, ("lowercase",))
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assert e.value.code == "would-be-misread"
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def test_length_is_checked_after_transforms():
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lp = "ticket=" + "a" * 57 # 64 octets canonical, 65 with '--'
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assert len(lp) == 64
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with pytest.raises(CannotExpress) as e:
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for_destination(lp, V2, ("resource-alternate",))
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assert e.value.code == "too-long"
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def test_lossy_transforms_need_explicit_permission():
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with pytest.raises(CannotExpress):
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for_destination("ticket=gs-1+comments", V2, ("drop-facet",))
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r = for_destination("ticket!callback", V2, ("drop-interaction",), allow_lossy=True)
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assert r.local_part == "ticket" and r.warnings
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