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).
31 lines
1.4 KiB
Swift
31 lines
1.4 KiB
Swift
import Testing
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@testable import PureXML
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@Suite("XSLT match-pattern caching")
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struct XSLTMatchCacheTests {
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/// Guards the shape #112 optimized: many nodes against several templates,
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/// where each match pattern must be compiled and evaluated once per
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/// transform (not once per node) and selection must stay correct.
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@Test("A multi-template transform over hundreds of nodes selects correctly")
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func test_multiTemplateShape() throws {
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let rows = (1 ... 300).map { index in
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index.isMultiple(of: 2) ? "<even>\(index)</even>" : "<odd>\(index)</odd>"
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}.joined()
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let source = "<r>\(rows)</r>"
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let stylesheet = """
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<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
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<xsl:output method="text"/>
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<xsl:template match="/"><xsl:apply-templates select="/r/*"/></xsl:template>
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<xsl:template match="even">E</xsl:template>
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<xsl:template match="odd | never">O</xsl:template>
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</xsl:stylesheet>
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"""
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let output = try PureXML.XSLT.transform(stylesheet: stylesheet, source: source)
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#expect(output.count == 300)
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#expect(output.count(where: { $0 == "E" }) == 150)
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#expect(output.count(where: { $0 == "O" }) == 150)
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// Alternation is preserved (selection by pattern, not by order accident).
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#expect(output.hasPrefix("OEOE"))
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}
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}
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