PureXML/Tests/XSLTHTMLOutputTests.swift
Mihaela Mihaljevic 41a48d3130 feat(xslt): serialize method=html output by the HTML rules
An xsl:output method=html result is serialized through PureXML.HTML
(void elements emitted without a self-closing slash, raw-text elements
like script/style left unescaped) instead of as XML. Part of #82.
2026-06-09 02:48:00 +02:00

51 lines
1.6 KiB
Swift

@testable import PureXML
import Testing
@Suite("XSLT method=html output")
struct XSLTHTMLOutputTests {
private let xsl = "xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\""
private func transform(_ stylesheet: String, _ source: String) throws -> String {
try PureXML.XSLT.transform(stylesheet: stylesheet, source: source)
}
private func htmlStyle(_ body: String) -> String {
"""
<xsl:stylesheet version="1.0" \(xsl)>
<xsl:output method="html"/>
<xsl:template match="/">\(body)</xsl:template>
</xsl:stylesheet>
"""
}
@Test("A void element is emitted without a self-closing slash")
func test_voidElement() throws {
let out = try transform(htmlStyle("<br/>"), "<x/>")
#expect(out == "<br>")
}
@Test("A non-void empty element keeps an explicit end tag")
func test_nonVoid() throws {
let out = try transform(htmlStyle("<div/>"), "<x/>")
#expect(out == "<div></div>")
}
@Test("Raw-text element content is not escaped")
func test_rawText() throws {
let out = try transform(htmlStyle("<script>if (a &lt; b) x()</script>"), "<x/>")
#expect(out.contains("if (a < b) x()"))
#expect(!out.contains("&lt;"))
}
@Test("The XML output method still self-closes empty elements")
func test_xmlStillSelfCloses() throws {
let style = """
<xsl:stylesheet version="1.0" \(xsl)>
<xsl:output method="xml" omit-xml-declaration="yes"/>
<xsl:template match="/"><br/></xsl:template>
</xsl:stylesheet>
"""
#expect(try transform(style, "<x/>") == "<br/>")
}
}