Strengthen JSON Schema validation, reference traversal, and version-cast compatibility handling. - #26
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Apply x-gts-ref validation to type-less object and array schemas, and resolve local JSON Pointer references while guarding against cycles. Signed-off-by: Artifizer <artifizer@gmail.com>
…erdicts Enable JSON Schema format checking for instance validation and return unknown compatibility verdicts when casts cross JSON Schema dialects. Signed-off-by: Artifizer <artifizer@gmail.com>
Signed-off-by: Artifizer <artifizer@gmail.com>
Signed-off-by: Artifizer <artifizer@gmail.com>
Signed-off-by: Artifizer <artifizer@gmail.com>
Signed-off-by: Artifizer <artifizer@gmail.com>
Signed-off-by: Artifizer <artifizer@gmail.com>
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📝 WalkthroughWalkthroughThe change centralizes GTS naming and JSON Pointer handling, updates schema compatibility and casting, adds bounded regular-expression and standard-format validation, and improves local reference traversal. ChangesGTS naming, pointers, and identifier handling
Schema compatibility and casting
Dialect-aware validation pipeline
Local reference traversal
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix Merge Risk: 🟡 Moderate · up to Schemas using a literal percent-encoded property name in a local reference can resolve to a different key, causing incorrect reference traversal and validation. Restrict decoding to URI fragments before merging. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 37.98% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 129 functions across 19 files. (4 skipped: 4 unsupported.) ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
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Inline comments:
In `@gts/src/gts/compatibility.py`:
- Around line 140-148: Update the unsafe keyword list in the compatibility check
to include “if”, “then”, and “else” alongside the existing applicators, so
conditional schemas are rejected before lowering and _is_subschema cannot
produce an incorrect compatibility verdict.
In `@gts/src/gts/schema_cast.py`:
- Around line 488-489: Update the duplicate-key handling around the result merge
logic so repeated non-property constraints from allOf are not silently
discarded; preserve conflicting subschemas or combine supported keywords using
their JSON Schema intersection semantics, including additionalProperties, so
later restrictive constraints remain effective.
- Around line 442-449: Update the schema merge logic and
_check_schema_compatibility so conflicting keywords placed under allOf remain
visible to compatibility checks. Ensure supported intersections, including type,
enum, and range or length constraints, are normalized into inspectable values or
recursively evaluated from allOf. Preserve the tightened-schema incompatibility
result instead of treating hidden constraints as compatible.
- Around line 156-158: The cast() result must represent cross-dialect
compatibility consistently: when dialect_changed is true, do not retain
definitive boolean checker results alongside UNKNOWN string verdicts. Update the
boolean compatibility fields and to_dict() handling to use the same tri-state
semantics, such as null for unknown, while preserving definitive values when
dialects match.
In `@gts/src/gts/x_gts_ref.py`:
- Around line 106-107: Update the reference handling around the ref validation
logic to accept the root JSON Pointer fragment "#" before applying the "`#/`"
check, while preserving existing handling for other references. Add a regression
test covering a nested object whose "$ref" points to the root schema and ensure
nested x-gts-ref constraints are still traversed and invalid references are
rejected.
In `@tests/test_store.py`:
- Around line 319-322: Update the time value passed to
store.validate_instance_content in this test to include an RFC 3339 timezone
offset, while preserving the existing validation scenario and UUID.
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.gts-specgts/pyproject.tomlgts/src/gts/compatibility.pygts/src/gts/schema_cast.pygts/src/gts/schema_validation.pygts/src/gts/store.pygts/src/gts/traits.pygts/src/gts/x_gts_ref.pytests/test_schema_cast.pytests/test_store.pytests/test_store_extra.py
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Signed-off-by: Artifizer <artifizer@gmail.com>
…ling GTS identifier plumbing (the gts:// URI scheme, the bare gts. prefix and the ~ type marker) was duplicated across the library: every consumer defensively stripped the scheme, and JSON Pointer resolution (with its ~0/~1 escaping) was reimplemented three times. This spread low-level string logic across modules and, worse, onto the public GtsID surface. Move the primitives into a private _naming module and RFC 6901 pointer resolution into a private _json_pointer module, both internal-only. Introduce an internal GtsRef classifier so $ref handling (local pointer vs gts:// vs other) lives in one place. Normalize the scheme once inside GtsStore.get() so callers pass ids or URIs interchangeably without stripping. Keep GtsID's public surface minimal: only meaningful members (.id, .uri, .is_type, is_valid, parse_type), no scheme string helpers. No behavior change; full test suite green. Signed-off-by: Artifizer <artifizer@gmail.com>
…ompat on dialect change When flattening allOf-composed schemas for casting, repeated constraints were wrapped in a nested allOf instead of being intersected, so tightened bounds (minLength, minimum, enum, type, additionalProperties, ...) never surfaced at the top level. Introduce constraint intersection and apply it consistently to top-level keywords, object properties, and repeated same-name property schemas. Also report backward/forward/full compatibility as "unknown" (tri-state) rather than a hard false when the JSON Schema dialect changes across the cast, since the verdict cannot be established. Finally, stop lowering unevaluatedProperties across conditional applicators (if/then/else) in compatibility sanitization, and cover root self-reference ($ref: "#") traversal in x-gts-ref validation. Signed-off-by: Artifizer <artifizer@gmail.com>
Instance and trait validation constructed the jsonschema validator with a bare FormatChecker(), which draws from jsonschema's shared class-level checker registry where the draft-3 "time" checker (HH:MM:SS, no timezone) overwrites the draft6/7 successors. As a result valid RFC 3339 values such as "10:30:00Z" were rejected while invalid UUIDs slipped through. Introduce a shared FORMAT_CHECKER in schema_validation that combines the bare checker (for "uuid", added only in draft 2019-09) with the draft-07 checkers (for correct RFC 3339 "time"/"date-time"), using only built-in jsonschema checkers. Use it in store and reuse it from traits to drop the duplicated construction. Update the store test's baseline to a timezone-bearing time value, since RFC 3339 "time" in draft-07 requires an offset. Signed-off-by: Artifizer <artifizer@gmail.com>
Patch release covering the recent bug fixes and internal refactors since 0.13.1 (RFC 3339 format enforcement, cast constraint intersection, naming and id parsing centralization). No new features or public API changes. Signed-off-by: Artifizer <artifizer@gmail.com>
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Inline comments:
In `@gts/src/gts/_json_pointer.py`:
- Line 43: Update the shared resolve function to percent-decode URI fragments
after removing the leading # and before splitting tokens, so encoded property
names resolve correctly. Enforce JSON Pointer array-index syntax when traversing
lists: accept only 0 or an ASCII decimal token without a leading zero, returning
default for -1, 01, and other invalid indices. Add regression tests covering
`#/a`%20b, /-1, and /01.
In `@gts/src/gts/_naming.py`:
- Line 34: Update strip_scheme to remove the gts:// prefix only when the
remaining value is a valid GTS ID or reference beginning with gts.; otherwise
return the original value unchanged, preserving non-GTS raw IDs such as
gts://external-id for consistent GtsStore.register and GtsStore.get lookups.
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gts/src/gts/_json_pointer.pygts/src/gts/_json_validation.pygts/src/gts/_naming.pygts/src/gts/compatibility.pygts/src/gts/entities.pygts/src/gts/gts.pygts/src/gts/ops.pygts/src/gts/schema_cast.pygts/src/gts/schema_validation.pygts/src/gts/store.pygts/src/gts/traits.pygts/src/gts/x_gts_ref.pytests/test_compatibility.pytests/test_gts_id.pytests/test_schema_cast.pytests/test_store.pytests/test_x_gts_ref.py
🚧 Files skipped from review as they are similar to previous changes (4)
- gts/src/gts/schema_validation.py
- gts/src/gts/compatibility.py
- gts/src/gts/schema_cast.py
- tests/test_store.py
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The GTS server uses pydantic v2 APIs (model_validator) but only pulled pydantic transitively via FastAPI. The spec test-client requirements pin pydantic<2 and share the venv, so refreshing py-env could downgrade pydantic to v1 and break the FastAPI import (IncEx from pydantic.main). Declare pydantic>=2,<3 directly in the package, and repurpose the unused root requirements.txt into the local dev/test tooling file (pydantic override, ruff, mypy) installed after the spec requirements so v2 wins. Wire py-env to install from it instead of hardcoding the packages. Signed-off-by: Artifizer <artifizer@gmail.com>
Signed-off-by: Artifizer <artifizer@gmail.com>
Signed-off-by: Artifizer <artifizer@gmail.com>
Signed-off-by: Artifizer <artifizer@gmail.com>
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
In `@gts/src/gts/_json_pointer.py`:
- Line 44: Update the pointer normalization logic around the existing unquote
call to percent-decode only when the original pointer starts with “#”; otherwise
preserve plain JSON Pointers unchanged. Ensure both URI-fragment and
plain-pointer inputs continue through the existing parsing flow after removing
the fragment marker when present.
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.gts-specMakefilegts/pyproject.tomlgts/src/gts/_json_pointer.pygts/src/gts/gts.pygts/src/gts/schema_cast.pyrequirements.txttests/test_traits.py
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- gts/src/gts/gts.py
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Signed-off-by: Artifizer <artifizer@gmail.com>
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Summary
This PR strengthens JSON Schema validation, reference traversal, and version-cast compatibility handling.
Changes
Validation
Notes
Summary by CodeRabbit
New Features
Bug Fixes
uuidandtimeformats are now validated consistently.