Mihaela Mihaljevic
0cf697c4ba
Grow the Tier-2 conformance corpus with 13 XPath navigation cases (descendant and all-element counts, positional and last() predicates, ancestor and ancestor-or-self axes, following/preceding-sibling, the attribute axis, an attribute predicate, union, the parent abbreviation, and position()) over a fixed tree, checked through the validation-driven harness. Own suite. Part of #105 (Tier 2)
45 lines
2.5 KiB
Swift
45 lines
2.5 KiB
Swift
@testable import PureXML
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import Testing
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/// XPath 1.0 axis and predicate conformance, driven through the validation
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/// framework (its own suite to keep the main corpus under the cap).
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@Suite("Conformance corpus: XPath axes and predicates")
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struct ConformanceXPathAxisTests {
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private struct AxisSpec {
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let name: String
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let expression: String
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let expected: String
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}
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/// Axis navigation and positional predicates over a fixed tree, checked
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/// against the node-set the XPath 1.0 spec selects (coerced to a string).
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private func corpus() throws -> [PureXML.Validation.ConformanceCase] {
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let document = try PureXML.parse("<root><a id=\"1\"><b>x</b><b>y</b></a><a id=\"2\"><c>z</c></a></root>")
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let specs = [
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AxisSpec(name: "descendant-count", expression: "count(//b)", expected: "2"),
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AxisSpec(name: "all-elements-count", expression: "count(//*)", expected: "6"),
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AxisSpec(name: "positional-predicate", expression: "//b[2]", expected: "y"),
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AxisSpec(name: "last-predicate", expression: "//a[last()]/c", expected: "z"),
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AxisSpec(name: "ancestor-axis", expression: "count(//c/ancestor::a)", expected: "1"),
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AxisSpec(name: "ancestor-or-self", expression: "count(//c/ancestor-or-self::*)", expected: "3"),
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AxisSpec(name: "following-sibling", expression: "count(//a[1]/following-sibling::a)", expected: "1"),
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AxisSpec(name: "preceding-sibling", expression: "count(//a[2]/preceding-sibling::a)", expected: "1"),
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AxisSpec(name: "attribute-axis", expression: "//a[2]/@id", expected: "2"),
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AxisSpec(name: "attribute-predicate", expression: "count(//a[@id='1'])", expected: "1"),
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AxisSpec(name: "union", expression: "count(//b | //c)", expected: "3"),
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AxisSpec(name: "parent-abbreviation", expression: "//c/../@id", expected: "2"),
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AxisSpec(name: "position-function", expression: "count(//a[position()=1])", expected: "1"),
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]
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return try specs.map { spec in
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let actual = try PureXML.XPath.Query(spec.expression).string(over: document)
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return PureXML.Validation.ConformanceCase(name: spec.name, actual: actual, expected: spec.expected)
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}
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}
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@Test("The XPath axes/predicates conformance corpus passes with no located failures")
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func test_axisCorpusConforms() throws {
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let failures = try PureXML.Validation.Conformance.failures(in: corpus())
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#expect(failures.isEmpty, "\(failures.map(\.reason))")
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}
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}
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