56 lines
3.9 KiB
Markdown
56 lines
3.9 KiB
Markdown
# 22. Conformance
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## 22.1 The suite
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| Path | Holds | A conforming implementation |
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| --- | --- | --- |
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| `vectors/*.jsonl` | Inputs and expected outputs, one case per line. | Computes every expected output from its input. |
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| `fixtures/packages/` | Valid packages: a converted chemistry paper with corrections, receipts, a multi-level-header table and a dataset; its checks-only export; an open-access paper with two witnesses; a Typst draft; a tiny document. | Accepts each, and recomputes every value it contains. |
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| `fixtures/records/` | A valid record of every other format. | Accepts each. |
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| `fixtures/invalid/` | Invalid packages, each with `expect.json` naming the rule it breaks. | Refuses each, and SHOULD name that rule. |
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| `fixtures/keys/` | The test keys that signed the fixtures and the team secret of the checks-only export. | Never uses them for anything else. |
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All fixture text is synthetic and dedicated to the public domain; license fields inside fixtures describe the fictional works.
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Each part's CI runs this suite against its own implementation, so the parts cannot drift apart silently.
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## 22.2 Validating a package
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A validator checks, in order, and reports each failure as `path:line: rule: message`:
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1. The manifest: present, valid, sorted, every listed file present with its hash and size, nothing unlisted, paths safe, required files present.
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2. Every file in canonical form, and every record against its schema.
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3. The tree ([3](03-nodes.md)), runs and references between nodes.
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4. The policy and hashing scheme ([12.5](12-package.md#125-text-policies)).
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5. The five values of every node, the root and `meta_hash`, when the text is present and the key, if any, is known.
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6. The ID table, the corrections, the witnesses, pages, locations and references, and every file's order.
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7. Receipts: IDs, roots, documents, node order, signatures against the package's roster, spot-check keys, seeds and samples, and the fidelity distribution.
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## 22.3 Schemas
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Schemas use draft 2020-12, restricted to the keywords `$schema`, `$id`, `$ref`, `$defs`, `$comment`, `title`, `description`, `examples`, `default`, `deprecated`, `type`, `enum`, `const`, `properties`, `required`, `additionalProperties`, `patternProperties`, `propertyNames`, `minProperties`, `maxProperties`, `dependentRequired`, `items`, `prefixItems`, `minItems`, `maxItems`, `uniqueItems`, `contains`, `minLength`, `maxLength`, `pattern`, `format`, `minimum`, `maximum`, `exclusiveMinimum`, `exclusiveMaximum`, `oneOf`, `anyOf`, `allOf`, `not`, `if`, `then` and `else`.
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Patterns avoid `\d`, `\w`, `\s`, `\b` and lookbehind, whose meaning differs between regular-expression dialects.
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A schema checks shape; the chapters' rules, such as the five values, are checked by validators.
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## 22.4 Rules
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[registry/rules.json](../registry/rules.json) lists every rule ID with its meaning.
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Rule IDs are stable: a rule's meaning never changes, and a retired rule's ID is never reused.
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| Prefix | Covers |
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| --- | --- |
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| `package.` | The manifest, paths, files and schemas. |
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| `doc.tree.`, `doc.node.`, `doc.run.`, `doc.table.` | The tree, node content and runs. |
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| `doc.hash.` | The five values, the root and the metadata hash. |
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| `doc.id.`, `doc.order.` | The ID table and file order. |
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| `doc.policy.` | Text policies and keyed hashing. |
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| `doc.correction.`, `correction.` | A package's corrections, and the gate. |
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| `doc.receipt.`, `doc.qa.`, `doc.fidelity.` | Receipts, spot-checks and levels. |
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| `doc.witness.`, `doc.page.`, `doc.location.`, `doc.reference.` | Witnesses and geometry. |
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| `grade.` | Grading. |
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## 22.5 Stability
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Within a major version of a format, a valid file stays valid, and every value the chapters define is computed the same way.
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Rule IDs, enumeration values and format identifiers are never reused with another meaning.
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A `candidate` format changes only with a recorded reason and a new or changed vector; a `provisional` one may change more freely, and says so in [registry/formats.json](../registry/formats.json).
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