Mihaela Mihaljevic
4345e6170e
Closes #75, on the validation framework. XSD instance-level features: - nillable elements: an xsi:nil="true" element is accepted (its content model is not checked) only when the element is declared nillable and carries no content; xsi:nil on a non-nillable element, or a nilled element with content, is a located error. - fixed value constraints: a present fixed attribute must equal its fixed value, and a fixed element's text must match. - default/fixed are parsed onto AttributeUse (per use) and collected per element name (nillable set + value constraints), threaded through XSDContext to the ComplexValidator. All findings are located ValidationErrors. Collection and helper methods move to same-file extensions to stay within type-body limits.
79 lines
2.9 KiB
Swift
79 lines
2.9 KiB
Swift
@testable import PureXML
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import Testing
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@Suite("XSD nillable and value constraints")
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struct XSDValueConstraintTests {
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private func validate(_ xsd: String, _ xml: String) throws -> [PureXML.Validation.ValidationError] {
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try PureXML.Schema.Document(xsd).validate(xml)
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}
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private let xsi = "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
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@Test("A nillable element accepts xsi:nil with empty content")
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func test_nillableEmpty() throws {
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let xsd = """
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
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<xs:element name="age" type="xs:integer" nillable="true"/>
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</xs:schema>
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"""
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#expect(try validate(xsd, "<age \(xsi) xsi:nil=\"true\"/>").isEmpty)
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// Even though the content would otherwise have to be an integer.
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#expect(try validate(xsd, "<age>notanumber</age>").isEmpty == false)
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}
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@Test("A nilled element must be empty")
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func test_nilMustBeEmpty() throws {
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let xsd = """
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
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<xs:element name="age" type="xs:integer" nillable="true"/>
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</xs:schema>
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"""
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let found = try validate(xsd, "<age \(xsi) xsi:nil=\"true\">5</age>")
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#expect(found.count == 1)
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#expect(found[0].reason.contains("must be empty"))
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}
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@Test("xsi:nil on a non-nillable element is rejected")
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func test_nilNotNillable() throws {
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let xsd = """
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
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<xs:element name="age" type="xs:integer"/>
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</xs:schema>
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"""
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let found = try validate(xsd, "<age \(xsi) xsi:nil=\"true\"/>")
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#expect(found.count == 1)
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#expect(found[0].reason.contains("not nillable"))
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}
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@Test("A fixed attribute must carry its fixed value")
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func test_fixedAttribute() throws {
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let xsd = """
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
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<xs:element name="item">
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<xs:complexType>
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<xs:attribute name="kind" type="xs:string" fixed="book"/>
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</xs:complexType>
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</xs:element>
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</xs:schema>
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"""
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#expect(try validate(xsd, "<item kind=\"book\"/>").isEmpty)
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#expect(try validate(xsd, "<item/>").isEmpty)
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let found = try validate(xsd, "<item kind=\"film\"/>")
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#expect(found.count == 1)
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#expect(found[0].reason.contains("is fixed and must be 'book'"))
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}
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@Test("A fixed element value must match")
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func test_fixedElement() throws {
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let xsd = """
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
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<xs:element name="version" type="xs:string" fixed="1.0"/>
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</xs:schema>
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"""
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#expect(try validate(xsd, "<version>1.0</version>").isEmpty)
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let found = try validate(xsd, "<version>2.0</version>")
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#expect(found.count == 1)
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#expect(found[0].reason.contains("is fixed and must be '1.0'"))
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}
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}
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