Mihaela Mihaljevic
367b5b9425
xsl:message instantiates its body as diagnostic text and produces no result-tree output; terminate=yes records the text and aborts the transform with an XSLTError.terminated, halting further instantiation. Splits the transform entry points into XSLTTransform.swift and moves the message case to keep within the complexity and file-length budgets.
59 lines
1.9 KiB
Swift
59 lines
1.9 KiB
Swift
@testable import PureXML
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import Testing
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@Suite("XSLT xsl:message")
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struct XSLTMessageTests {
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private let xsl = "xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\""
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private func transform(_ stylesheet: String, _ source: String) throws -> String {
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try PureXML.XSLT.transform(stylesheet: stylesheet, source: source)
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}
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@Test("A non-terminating message produces no output and does not abort")
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func test_nonTerminating() throws {
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let style = """
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<xsl:stylesheet version="1.0" \(xsl)>
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<xsl:output method="xml" omit-xml-declaration="yes"/>
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<xsl:template match="/">
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<xsl:message>just a note</xsl:message>
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<out/>
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</xsl:template>
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</xsl:stylesheet>
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"""
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#expect(try transform(style, "<x/>") == "<out/>")
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}
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@Test("terminate=yes aborts the transform, carrying the message text")
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func test_terminate() throws {
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let style = """
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<xsl:stylesheet version="1.0" \(xsl)>
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<xsl:template match="/">
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<out/>
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<xsl:message terminate="yes">stop now</xsl:message>
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</xsl:template>
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</xsl:stylesheet>
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"""
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var thrown: PureXML.XSLT.XSLTError?
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do {
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_ = try transform(style, "<x/>")
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} catch let error as PureXML.XSLT.XSLTError {
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thrown = error
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}
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#expect(thrown == .terminated("stop now"))
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}
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@Test("A terminating message can interpolate the source via value-of")
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func test_terminateDynamic() throws {
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let style = """
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<xsl:stylesheet version="1.0" \(xsl)>
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<xsl:template match="/">
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<xsl:message terminate="yes">bad value: <xsl:value-of select="r/@v"/></xsl:message>
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</xsl:template>
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</xsl:stylesheet>
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"""
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#expect(throws: PureXML.XSLT.XSLTError.terminated("bad value: 7")) {
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_ = try transform(style, "<r v=\"7\"/>")
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}
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}
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}
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