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).
71 lines
2.8 KiB
Swift
71 lines
2.8 KiB
Swift
import Testing
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@testable import PureXML
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/// The Namespaces 1.0 constraints (#136): reserved prefixes and namespace
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/// names, qualified-name shape, duplicate expanded-name attributes, NCName
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/// rules for PI targets and entity/notation names, and DTD-typed
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/// normalization of binding values.
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@Suite("Namespace constraints")
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struct NamespaceConstraintTests {
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private func rejects(_ xml: String) -> Bool {
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(try? PureXML.parse(xml, limits: .init(allowDoctype: true))) == nil
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}
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@Test("Malformed qualified names are rejected")
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func test_qualifiedNameShape() {
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#expect(rejects("<foo: />"))
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#expect(rejects("<:foo />"))
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#expect(rejects("<a:b:c xmlns:a=\"urn:x\"/>"))
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#expect(rejects("<foo xmlns:=\"urn:x\"/>"))
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#expect(!rejects("<a:b xmlns:a=\"urn:x\"/>"))
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}
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@Test("Reserved prefixes and namespace names are protected")
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func test_reservedBindings() {
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#expect(rejects("<f xmlns:xml=\"urn:wrong\"/>"))
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#expect(!rejects("<f xmlns:xml=\"http://www.w3.org/XML/1998/namespace\"/>"))
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#expect(rejects("<f xmlns:yml=\"http://www.w3.org/XML/1998/namespace\"/>"))
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#expect(rejects("<f xmlns:xmlns=\"http://www.w3.org/2000/xmlns/\"/>"))
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#expect(rejects("<f xmlns:xmlns=\"urn:other\"/>"))
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#expect(rejects("<f xmlns:ymlns=\"http://www.w3.org/2000/xmlns/\"/>"))
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#expect(rejects("<f xmlns=\"http://www.w3.org/XML/1998/namespace\"/>"))
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#expect(rejects("<f xmlns=\"http://www.w3.org/2000/xmlns/\"/>"))
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}
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@Test("A prefix may not be undeclared in Namespaces 1.0")
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func test_noPrefixUndeclaration() {
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#expect(rejects("<f xmlns:a=\"\"/>"))
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#expect(!rejects("<f xmlns=\"\"/>"))
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}
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@Test("Attributes must be distinct by expanded name")
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func test_duplicateExpandedNames() {
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let xml = "<f xmlns:a=\"urn:x\" xmlns:b=\"urn:x\"><g a:attr=\"1\" b:attr=\"2\"/></f>"
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#expect(rejects(xml))
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let distinct = "<f xmlns:a=\"urn:x\" xmlns:b=\"urn:y\"><g a:attr=\"1\" b:attr=\"2\"/></f>"
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#expect(!rejects(distinct))
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}
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@Test("PI targets and entity/notation names are NCNames")
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func test_ncNames() {
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#expect(rejects("<?a:b data?>\n<f/>"))
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#expect(rejects("<!DOCTYPE f [<!ELEMENT f ANY><!ENTITY a:b \"x\">]>\n<f/>"))
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#expect(rejects("<!DOCTYPE f [<!ELEMENT f ANY><!NOTATION a:b SYSTEM \"n\">]>\n<f/>"))
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}
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@Test("A DTD-typed xmlns value binds its normalized form")
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func test_typedBindingNormalization() {
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let xml = """
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<!DOCTYPE f [
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<!ELEMENT f ANY><!ELEMENT g ANY>
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<!ATTLIST f xmlns:a CDATA #IMPLIED xmlns:b NMTOKEN #IMPLIED>
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<!ATTLIST g a:attr CDATA #IMPLIED b:attr CDATA #IMPLIED>
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]>
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<f xmlns:a="urn:xyzzy" xmlns:b=" urn:xyzzy ">
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<g a:attr="1" b:attr="2"/>
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</f>
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"""
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#expect(rejects(xml))
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}
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}
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