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).
73 lines
3.3 KiB
Swift
73 lines
3.3 KiB
Swift
import Testing
|
|
@testable import PureXML
|
|
|
|
@Suite("EXSLT functions: common, math, sets")
|
|
struct EXSLTTests {
|
|
private let namespaces = [
|
|
"exsl": PureXML.XPath.EXSLT.common,
|
|
"math": PureXML.XPath.EXSLT.math,
|
|
"set": PureXML.XPath.EXSLT.sets,
|
|
]
|
|
|
|
private func value(_ expression: String, _ xml: String) throws -> PureXML.XPath.Value {
|
|
let document = try PureXML.parseTree(xml)
|
|
return try PureXML.XPath.Query(expression).value(at: document, namespaces: namespaces)
|
|
}
|
|
|
|
@Test("math:min, max, abs, sqrt")
|
|
func test_mathScalars() throws {
|
|
let numbers = "<r><n>3</n><n>1</n><n>2</n></r>"
|
|
try #expect(value("math:max(//n)", numbers).number == 3)
|
|
try #expect(value("math:min(//n)", numbers).number == 1)
|
|
try #expect(value("math:abs(-5)", numbers).number == 5)
|
|
try #expect(value("math:sqrt(9)", numbers).number == 3)
|
|
// A non-numeric node makes min/max NaN (the EXSLT rule).
|
|
try #expect(value("math:max(//n)", "<r><n>3</n><n>x</n></r>").number.isNaN)
|
|
}
|
|
|
|
@Test("math:highest and math:lowest return the extreme nodes")
|
|
func test_mathNodes() throws {
|
|
let numbers = "<r><n id=\"a\">3</n><n id=\"b\">1</n><n id=\"c\">3</n></r>"
|
|
// Two nodes share the maximum value 3.
|
|
try #expect(value("math:highest(//n)", numbers).nodes?.count == 2)
|
|
try #expect(value("math:lowest(//n)", numbers).nodes?.count == 1)
|
|
try #expect(value("math:lowest(//n)", numbers).string == "1")
|
|
}
|
|
|
|
@Test("set:distinct, difference, intersection, has-same-node")
|
|
func test_sets() throws {
|
|
let values = "<r><n>x</n><n>x</n><n>y</n></r>"
|
|
try #expect(value("count(set:distinct(//n))", values).number == 2)
|
|
let abc = "<r><a/><b/><c/></r>"
|
|
try #expect(value("count(set:difference(//r/*, //b))", abc).number == 2) // a, c
|
|
try #expect(value("count(set:intersection(//r/*, //b))", abc).number == 1) // b
|
|
try #expect(value("set:has-same-node(//a, //r/*)", abc).boolean == true)
|
|
try #expect(value("set:has-same-node(//a, //b)", abc).boolean == false)
|
|
}
|
|
|
|
@Test("set:leading and set:trailing relative to the first node of the second set")
|
|
func test_setsRelative() throws {
|
|
let abc = "<r><a/><b/><c/></r>"
|
|
// Of a, b, c, those before b are [a]; those after b are [c].
|
|
try #expect(value("count(set:leading(//r/*, //b))", abc).number == 1)
|
|
try #expect(value("count(set:trailing(//r/*, //b))", abc).number == 1)
|
|
try #expect(value("local-name(set:trailing(//r/*, //b))", abc).string == "c")
|
|
}
|
|
|
|
@Test("exsl:object-type reports the value type")
|
|
func test_objectType() throws {
|
|
let doc = "<r/>"
|
|
try #expect(value("exsl:object-type(/r)", doc).string == "node-set")
|
|
try #expect(value("exsl:object-type(1)", doc).string == "number")
|
|
try #expect(value("exsl:object-type('s')", doc).string == "string")
|
|
try #expect(value("exsl:object-type(true())", doc).string == "boolean")
|
|
}
|
|
|
|
@Test("An EXSLT function under an unbound prefix is an unknown function")
|
|
func test_unboundPrefix() throws {
|
|
#expect(throws: (any Error).self) {
|
|
_ = try PureXML.XPath.Query("math:max(//n)").value(at: PureXML.parseTree("<r><n>1</n></r>"))
|
|
}
|
|
}
|
|
}
|