Mihaela Mihaljevic
83e6e27d12
Group @testable imports at the bottom, per public/rules-swift's swiftformat. A behavior-preserving import-ordering reformat across 252 files (mostly tests). --trailingclosures was deliberately not adopted (cosmetic, and swiftformat flags it as caution-worthy).
74 lines
3.5 KiB
Swift
74 lines
3.5 KiB
Swift
import Testing
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@testable import PureXML
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/// Facet applicability to a simple type's variety (XSD 1.0 Part 2, 4.3): a `list`
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/// admits only the length-family, `pattern`, `enumeration`, `whiteSpace`; a `union`
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/// only `pattern`/`enumeration`. A value-bound facet on a list or union is invalid
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/// (the stF families). An atomic, unresolvable, or external base is left alone.
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@Suite("Facet applicability to variety")
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struct SchemaFacetApplicabilityTests {
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private func compile(_ body: String) throws {
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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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\(body)
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</xs:schema>
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""")
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}
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private func rejects(_ body: String) -> Bool {
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do { try compile(body)
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return false
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} catch { return true }
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}
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@Test("a value-bound facet on a list-derived type is rejected")
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func test_listValueBoundFacet() {
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for facet in ["maxInclusive", "maxExclusive", "minInclusive", "minExclusive", "totalDigits", "fractionDigits"] {
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#expect(rejects(#"""
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<xs:simpleType name="l"><xs:list itemType="xs:integer"/></xs:simpleType>
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<xs:simpleType name="t"><xs:restriction base="l"><xs:\#(facet) value="5"/></xs:restriction></xs:simpleType>
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"""#), "expected rejection of \(facet) on a list")
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}
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// A built-in list datatype (xs:NMTOKENS) is also a list.
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#expect(rejects(#"<xs:simpleType name="t"><xs:restriction base="xs:NMTOKENS"><xs:maxLength value="3"/><xs:maxInclusive value="5"/></xs:restriction></xs:simpleType>"#))
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}
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@Test("length-family, pattern, enumeration, whiteSpace apply to a list")
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func test_listAllowedFacets() throws {
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try compile(#"""
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<xs:simpleType name="l"><xs:list itemType="xs:integer"/></xs:simpleType>
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<xs:simpleType name="t"><xs:restriction base="l">
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<xs:minLength value="1"/><xs:maxLength value="9"/><xs:enumeration value="1 2 3"/>
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</xs:restriction></xs:simpleType>
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"""#)
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}
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@Test("only pattern and enumeration apply to a union")
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func test_unionFacets() throws {
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#expect(rejects(#"""
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<xs:simpleType name="u"><xs:union memberTypes="xs:integer xs:string"/></xs:simpleType>
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<xs:simpleType name="t"><xs:restriction base="u"><xs:maxLength value="3"/></xs:restriction></xs:simpleType>
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"""#))
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try compile(#"""
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<xs:simpleType name="u"><xs:union memberTypes="xs:integer xs:string"/></xs:simpleType>
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<xs:simpleType name="t"><xs:restriction base="u"><xs:pattern value="\d+"/><xs:enumeration value="1"/></xs:restriction></xs:simpleType>
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"""#)
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}
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@Test("a value-bound facet on an atomic type is left alone")
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func test_atomicUnaffected() throws {
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try compile(#"<xs:simpleType name="t"><xs:restriction base="xs:integer"><xs:maxInclusive value="5"/></xs:restriction></xs:simpleType>"#)
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}
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@Test("variety resolution is namespace-aware: a same-named user type does not shadow a built-in")
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func test_namespaceAwareResolution() throws {
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// A user `simpleType` named `integer` (a list) must not be mistaken for the
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// built-in `xs:integer` when it is the restriction base; the value-bound
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// facet on the atomic built-in is valid.
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try compile(#"""
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<xs:simpleType name="integer"><xs:list itemType="xs:string"/></xs:simpleType>
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<xs:simpleType name="t"><xs:restriction base="xs:integer"><xs:maxInclusive value="5"/></xs:restriction></xs:simpleType>
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"""#)
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}
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}
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