Mihaela Mihaljevic
c6305c9d93
XSD 1.0 Datatypes 4.3.1 defines the unit of length only for string, anyURI, binary, and list; for QName it is implementation-defined. We had counted characters, rejecting valid QName values. Like Xerces and the XSTS NIST set we now treat length/minLength/maxLength on QName as always satisfied. Lexical QName validity is still enforced. The suite's contributors disagree here (NIST: non-constraining; Microsoft: a character count), which the spec does not resolve, so a single behavior cannot satisfy both. Net XSTS: valid instances rejected 547 to 502; 4 Microsoft cases move to invalid instances accepted (257 to 261), recorded as a deliberate interpretation in docs/xsts-deviations.md. Refs #147, #129.
35 lines
1.4 KiB
Swift
35 lines
1.4 KiB
Swift
@testable import PureXML
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import Testing
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/// `length`, `minLength`, and `maxLength` on `xs:QName` do not constrain the
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/// value: XSD 1.0 Datatypes 4.3.1 leaves the unit of length unspecified for
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/// QName, so (like Xerces and the XSTS NIST oracle) any QName satisfies them
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/// (#147). Lexical QName validity is still enforced.
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@Suite("QName length facets")
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struct SchemaQNameLengthTests {
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private func schema(_ facet: String) throws -> PureXML.Schema.Document {
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try PureXML.Schema.Document("""
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
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<xs:element name="v">
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<xs:simpleType>
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<xs:restriction base="xs:QName">\(facet)</xs:restriction>
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</xs:simpleType>
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</xs:element>
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</xs:schema>
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""")
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}
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@Test("length, minLength, and maxLength never reject a valid QName")
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func test_lengthIsNonConstraining() throws {
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#expect(try schema(#"<xs:length value="1"/>"#).validate("<v>abcdefghij</v>").isEmpty)
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#expect(try schema(#"<xs:maxLength value="2"/>"#).validate("<v>abcdefghij</v>").isEmpty)
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#expect(try schema(#"<xs:minLength value="20"/>"#).validate("<v>abc</v>").isEmpty)
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}
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@Test("Lexical QName validity is still enforced")
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func test_qnameStillValidated() throws {
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// A leading digit is not a valid NCName, so not a valid QName.
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#expect(try !schema(#"<xs:length value="1"/>"#).validate("<v>1bad</v>").isEmpty)
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}
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}
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