Mihaela Mihaljevic
80fffd8127
Add PureXML.Validation.Schematron: compile a Schematron schema (matching schema/pattern/rule/assert/report by local name, so the ISO and legacy namespaces both work) and validate a document. A rule's context XPath selects the nodes it fires on; each assert/report test is evaluated relative to the node via the XPath context-node API. A failed assert is an error, a matched report a warning; within a pattern a node fires the first matching rule. Adds XPath.Query.nodes(over:) returning matched tree nodes so one tree can be queried repeatedly. Closes #52 Closes #53 Closes #25
77 lines
2.8 KiB
Swift
77 lines
2.8 KiB
Swift
@testable import PureXML
|
|
import Testing
|
|
|
|
@Suite("Schematron")
|
|
struct SchematronTests {
|
|
private let schema = """
|
|
<schema xmlns="http://purl.oclc.org/dsdl/schematron">
|
|
<pattern>
|
|
<rule context="book">
|
|
<assert test="title">a book must have a title</assert>
|
|
<assert test="@isbn">a book must have an isbn</assert>
|
|
<report test="count(author) > 2">more than two authors</report>
|
|
</rule>
|
|
</pattern>
|
|
</schema>
|
|
"""
|
|
|
|
private func validate(_ xml: String) throws -> [PureXML.Validation.Issue] {
|
|
try PureXML.Validation.Schematron(schema: schema).validate(xml)
|
|
}
|
|
|
|
@Test("A conforming document produces no issues")
|
|
func test_valid() throws {
|
|
let xml = "<library><book isbn=\"1\"><title>T</title><author>A</author></book></library>"
|
|
#expect(try validate(xml).isEmpty)
|
|
}
|
|
|
|
@Test("A failed assert is reported as an error")
|
|
func test_failedAssert() throws {
|
|
let xml = "<library><book isbn=\"1\"><author>A</author></book></library>"
|
|
let issues = try validate(xml)
|
|
#expect(issues.count == 1)
|
|
#expect(issues.first?.severity == .error)
|
|
#expect(issues.first?.message == "a book must have a title")
|
|
}
|
|
|
|
@Test("Multiple failed asserts each report")
|
|
func test_multipleAsserts() throws {
|
|
let xml = "<library><book><author>A</author></book></library>"
|
|
let messages = try validate(xml).map(\.message)
|
|
#expect(messages.contains("a book must have a title"))
|
|
#expect(messages.contains("a book must have an isbn"))
|
|
}
|
|
|
|
@Test("A matched report is a warning")
|
|
func test_report() throws {
|
|
let xml = "<library><book isbn=\"1\"><title>T</title>"
|
|
+ "<author>A</author><author>B</author><author>C</author></book></library>"
|
|
let issues = try validate(xml)
|
|
#expect(issues.count == 1)
|
|
#expect(issues.first?.severity == .warning)
|
|
#expect(issues.first?.message == "more than two authors")
|
|
}
|
|
|
|
@Test("Rules fire once per matching node across the document")
|
|
func test_perNode() throws {
|
|
let xml = "<library>"
|
|
+ "<book isbn=\"1\"><title>T</title></book>"
|
|
+ "<book><author>A</author></book>"
|
|
+ "</library>"
|
|
// The second book is missing both title and isbn.
|
|
let issues = try validate(xml)
|
|
#expect(issues.count == 2)
|
|
#expect(issues.allSatisfy { $0.severity == .error })
|
|
}
|
|
|
|
@Test("An invalid test expression is rejected at compile time")
|
|
func test_invalidSchema() {
|
|
let bad = """
|
|
<schema><pattern><rule context="book"><assert test="(">x</assert></rule></pattern></schema>
|
|
"""
|
|
#expect(throws: Error.self) {
|
|
_ = try PureXML.Validation.Schematron(schema: bad)
|
|
}
|
|
}
|
|
}
|