generated from coulomb/repo-seed
tegwick
5a77ea879c
Identity = stable shard-scoped handle (not a fingerprint); Placement separate; Span carries a layered provenance delta. Page model (PageShape incl. the four computational shapes). CapabilityProfile with orthogonal-core axes + validate() applying §6.5 implication rules that reject impossible profiles. Imports only provenance/. 8 tests green. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
107 lines
3.4 KiB
Python
107 lines
3.4 KiB
Python
"""Tests for the page model + capability profile (SHARD-WP-0007 T2)."""
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import pytest
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from shard_wiki.model import (
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AccessGrant,
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Addressing,
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AttachmentMode,
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CapabilityProfile,
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ContentOpacity,
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History,
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Identity,
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MergeModel,
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NativeQuery,
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OperationalEnvelope,
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Page,
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PageShape,
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ProfileError,
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Substrate,
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Translation,
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Verb,
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WriteGranularity,
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)
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from shard_wiki.provenance import Liveness, ProvenanceEnvelope
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def _read_only_folder_profile(**over) -> CapabilityProfile:
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base = dict(
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substrate=Substrate.FILES,
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attachment_mode=AttachmentMode.FILE_STORE,
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write_granularity=WriteGranularity.NONE,
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content_opacity=ContentOpacity.TRANSPARENT,
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operational_envelope=OperationalEnvelope.LOCAL_UNBOUNDED,
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access_grant=AccessGrant.OPEN,
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liveness=Liveness.STATIC,
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history=History.NONE,
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merge_model=MergeModel.NONE,
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addressing=Addressing.PATH,
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native_query=NativeQuery.NONE,
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translation=Translation.NATIVE,
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supported_verbs=frozenset({Verb.READ}),
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)
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base.update(over)
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return CapabilityProfile(**base)
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def test_identity_is_stable_across_content_and_value_equal():
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a = Identity("shardA", "Home")
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b = Identity("shardA", "Home")
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assert a == b and hash(a) == hash(b)
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assert str(a) == "shardA:Home"
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# Identity does not depend on content: a Page edit reuses the same identity.
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env = ProvenanceEnvelope(source_shard="shardA")
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p1 = Page(a, "first body", env)
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p2 = Page(a, "edited body", env)
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assert p1.identity == p2.identity # stable handle, not a fingerprint
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def test_read_only_folder_profile_validates():
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assert _read_only_folder_profile().validate().supports(Verb.READ)
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def test_missing_read_is_rejected():
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with pytest.raises(ProfileError, match="READ"):
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_read_only_folder_profile(supported_verbs=frozenset()).validate()
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def test_git_is_store_requires_git_substrate_and_history():
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with pytest.raises(ProfileError, match="git-is-store"):
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_read_only_folder_profile(attachment_mode=AttachmentMode.GIT_IS_STORE).validate()
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# consistent git-is-store profile validates
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_read_only_folder_profile(
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attachment_mode=AttachmentMode.GIT_IS_STORE,
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substrate=Substrate.GIT,
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history=History.GIT_NATIVE,
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).validate()
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def test_encrypted_forbids_native_query():
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with pytest.raises(ProfileError, match="encrypted"):
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_read_only_folder_profile(
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content_opacity=ContentOpacity.ENCRYPTED, native_query=NativeQuery.DB_QUERY
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).validate()
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def test_write_verb_requires_write_granularity():
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with pytest.raises(ProfileError, match="read-only consistency"):
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_read_only_folder_profile(supported_verbs=frozenset({Verb.READ, Verb.WRITE})).validate()
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# writable profile is consistent
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_read_only_folder_profile(
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write_granularity=WriteGranularity.PER_PAGE,
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supported_verbs=frozenset({Verb.READ, Verb.WRITE}),
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).validate()
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def test_native_crdt_merge_requires_crdt_log_and_realtime():
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with pytest.raises(ProfileError, match="native-crdt"):
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_read_only_folder_profile(
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merge_model=MergeModel.NATIVE_CRDT,
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supported_verbs=frozenset({Verb.READ, Verb.MERGE}),
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).validate()
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def test_page_defaults_to_prose():
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p = Page(Identity("s", "k"), "x", ProvenanceEnvelope(source_shard="s"))
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assert p.shape is PageShape.PROSE
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