112 lines
5.2 KiB
Swift
112 lines
5.2 KiB
Swift
@testable import PureXML
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import Testing
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@Suite("XInclude")
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struct XIncludeTests {
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// MARK: URI resolution
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@Test("Relative references resolve against a base per RFC 3986")
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func test_uriResolution() {
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let resolve = PureXML.XInclude.URIReference.resolve
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#expect(resolve("g", "http://a/b/c/d") == "http://a/b/c/g")
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#expect(resolve("../g", "http://a/b/c/d") == "http://a/b/g")
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#expect(resolve("../../g", "http://a/b/c/d") == "http://a/g")
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#expect(resolve("/g", "http://a/b/c/d") == "http://a/g")
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#expect(resolve("http://x/y", "http://a/b/c/d") == "http://x/y")
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#expect(resolve("./g", "http://a/b/c/d") == "http://a/b/c/g")
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}
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// MARK: Processing
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private func process(_ xml: String, _ load: @escaping (String) -> String?) throws -> String {
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let node = try PureXML.XInclude.process(xml, base: "http://example.com/doc.xml", loadingURI: load)
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return PureXML.serialize(node, options: .compact)
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}
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@Test("xi:include parse=xml substitutes the document element")
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func test_includeXML() throws {
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let xml = "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\"><xi:include href=\"frag.xml\"/></doc>"
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let result = try process(xml) { uri in
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uri == "http://example.com/frag.xml" ? "<inserted>hi</inserted>" : nil
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}
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#expect(result == "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\"><inserted>hi</inserted></doc>")
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}
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@Test("xi:include parse=text substitutes raw text")
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func test_includeText() throws {
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let xml = "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\">"
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+ "<xi:include href=\"note.txt\" parse=\"text\"/></doc>"
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let result = try process(xml) { _ in "a < b" }
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#expect(result == "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\">a < b</doc>")
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}
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@Test("xi:include with an xpointer selects a fragment")
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func test_includeWithXPointer() throws {
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let xml = "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\">"
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+ "<xi:include href=\"frag.xml\" xpointer=\"xpointer(//item[2])\"/></doc>"
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let result = try process(xml) { _ in "<list><item>one</item><item>two</item></list>" }
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#expect(result == "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\"><item>two</item></doc>")
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}
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@Test("xi:include with an xpointer range() includes the covering range")
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func test_includeRange() throws {
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let xml = "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\">"
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+ "<xi:include href=\"frag.xml\" xpointer=\"xpointer(range(//item[2]))\"/></doc>"
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let result = try process(xml) { _ in "<list><item>one</item><item>two</item></list>" }
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#expect(result == "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\"><item>two</item></doc>")
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}
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@Test("xi:include with a string-range xpointer includes the matched text")
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func test_includeStringRange() throws {
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let xml = "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\">"
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+ "<xi:include href=\"frag.xml\" xpointer=\"xpointer(string-range(//item, 'wo'))\"/></doc>"
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let result = try process(xml) { _ in "<list><item>one</item><item>two</item></list>" }
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#expect(result == "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\">wo</doc>")
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}
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@Test("href resolves against an xml:base on an ancestor")
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func test_xmlBase() throws {
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let xml = "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\" xml:base=\"sub/\">"
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+ "<xi:include href=\"frag.xml\"/></doc>"
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var requested = ""
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let result = try process(xml) { uri in
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requested = uri
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return "<ok/>"
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}
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#expect(requested == "http://example.com/sub/frag.xml")
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#expect(result == "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\" xml:base=\"sub/\"><ok/></doc>")
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}
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@Test("A failed include uses its xi:fallback")
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func test_fallback() throws {
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let xml = "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\">"
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+ "<xi:include href=\"missing.xml\"><xi:fallback><backup/></xi:fallback></xi:include></doc>"
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let result = try process(xml) { _ in nil }
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#expect(result == "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\"><backup/></doc>")
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}
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@Test("A failed include with no fallback throws")
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func test_unresolved() {
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let xml = "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\"><xi:include href=\"missing.xml\"/></doc>"
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#expect(throws: PureXML.XInclude.XIncludeError.self) {
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_ = try PureXML.XInclude.process(xml, loadingURI: { _ in nil })
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}
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}
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@Test("Includes nest: an included document's own includes resolve")
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func test_nestedInclude() throws {
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let xml = "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\"><xi:include href=\"a.xml\"/></doc>"
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let result = try process(xml) { uri in
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switch uri {
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case "http://example.com/a.xml":
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"<a xmlns:xi=\"http://www.w3.org/2001/XInclude\"><xi:include href=\"b.xml\"/></a>"
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case "http://example.com/b.xml":
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"<b/>"
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default:
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nil
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}
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}
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#expect(result == "<doc xmlns:xi=\"http://www.w3.org/2001/XInclude\"><a xmlns:xi=\"http://www.w3.org/2001/XInclude\"><b/></a></doc>")
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}
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}
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