Mihaela Mihaljevic
be5d260b52
A top-level xs:attribute declaration (a direct child of schema, or of redefine) was accepted with use, form, or ref. Those belong to a local attribute use, not a global declaration: the schema-for-schemas topLevelAttribute marks ref, form, and use as prohibited, allowing only default, fixed, id, name, type and an inline simpleType. The per-component applicability table is the permissive global/local union, so it could not draw the distinction; a focused scan of the direct attribute children of schema and redefine supplies the global-only constraint. A local attribute use inside a complex type or attribute group is unaffected. The existing test_validAttributeValues asserted a top-level attribute with use compiles, which is itself invalid; corrected to a local attribute use. XSTS: invalid schemas accepted 454 to 439, no other bucket raised.
48 lines
2.0 KiB
Swift
48 lines
2.0 KiB
Swift
@testable import PureXML
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import Testing
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@Suite("XSD top-level attribute applicability (topLevelAttribute)")
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struct SchemaTopLevelAttributeTests {
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private let xsd = "xmlns:xs=\"http://www.w3.org/2001/XMLSchema\""
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private func compiles(_ body: String) -> Bool {
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(try? PureXML.Schema.Document("<xs:schema \(xsd)>\(body)</xs:schema>")) != nil
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}
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@Test("A top-level attribute with use is rejected")
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func test_topLevelUseRejected() {
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#expect(!compiles("<xs:attribute name=\"a\" type=\"xs:string\" use=\"required\"/>"))
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#expect(!compiles("<xs:attribute name=\"a\" type=\"xs:string\" use=\"optional\"/>"))
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#expect(!compiles("<xs:attribute name=\"a\" type=\"xs:string\" use=\"prohibited\"/>"))
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}
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@Test("A top-level attribute with form is rejected")
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func test_topLevelFormRejected() {
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#expect(!compiles("<xs:attribute name=\"a\" type=\"xs:string\" form=\"qualified\"/>"))
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}
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@Test("A plain top-level attribute declaration compiles")
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func test_plainTopLevelAccepted() {
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#expect(compiles("<xs:attribute name=\"a\" type=\"xs:string\"/>"))
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#expect(compiles("<xs:attribute name=\"a\" type=\"xs:string\" default=\"x\"/>"))
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}
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/// `use`, `form`, and a `ref` are legitimate on a LOCAL attribute use inside a
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/// complex type; the rule applies only to top-level declarations.
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@Test("A local attribute use with use/form compiles")
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func test_localUseAccepted() {
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#expect(compiles(
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"<xs:element name=\"e\"><xs:complexType>"
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+ "<xs:attribute name=\"a\" type=\"xs:string\" use=\"required\" form=\"qualified\"/>"
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+ "</xs:complexType></xs:element>",
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))
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// A local ref with use is fine.
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#expect(compiles(
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"<xs:attribute name=\"g\" type=\"xs:string\"/>"
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+ "<xs:element name=\"e\"><xs:complexType>"
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+ "<xs:attribute ref=\"g\" use=\"required\"/>"
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+ "</xs:complexType></xs:element>",
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))
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}
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}
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