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/*
This source file is part of the Swift.org open source project
Copyright (c) 2021-2023 Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See https://swift.org/LICENSE.txt for license information
See https://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
import XCTest
@testable import SwiftDocC
import Markdown
class HasExactlyOneTests: XCTestCase {
func testEmpty() throws {
let source = "@Parent"
let document = Document(parsing: source, options: .parseBlockDirectives)
let directive = document.child(at: 0) as? BlockDirective
XCTAssertNotNil(directive)
let (bundle, context) = try testBundleAndContext(named: "TestBundle")
directive.map { directive in
var problems = [Problem]()
let (match, remainder) = Semantic.Analyses.HasExactlyOne<TestParent, TestChild>(severityIfNotFound: .error).analyze(directive, children: directive.children, source: nil, for: bundle, in: context, problems: &problems)
XCTAssertNil(match)
XCTAssertTrue(remainder.isEmpty)
XCTAssertEqual(1, problems.count)
problems.first.map { problem in
XCTAssertEqual("org.swift.docc.HasExactlyOne<Parent, TestChild>.Missing", problem.diagnostic.identifier)
XCTAssertEqual(
DiagnosticConsoleWriter.formattedDescription(for: problem.diagnostic, options: .formatConsoleOutputForTools),
"""
error: Missing 'Child' child directive
The 'Parent' directive must have exactly one 'Child' child directive
"""
)
}
}
}
func testHasOne() throws {
let source = """
@Parent {
@Child
}
"""
let document = Document(parsing: source, options: .parseBlockDirectives)
let directive = document.child(at: 0) as? BlockDirective
XCTAssertNotNil(directive)
let (bundle, context) = try testBundleAndContext(named: "TestBundle")
directive.map { directive in
var problems = [Problem]()
let (match, remainder) = Semantic.Analyses.HasExactlyOne<TestParent, TestChild>(severityIfNotFound: .error).analyze(directive, children: directive.children, source: nil, for: bundle, in: context, problems: &problems)
XCTAssertNotNil(match)
XCTAssertTrue(remainder.isEmpty)
XCTAssertTrue(problems.isEmpty)
}
}
func testHasMany() throws {
let source = """
@Parent {
@Child
@Child
@Child
}
"""
let document = Document(parsing: source, options: .parseBlockDirectives)
let directive = document.child(at: 0) as? BlockDirective
XCTAssertNotNil(directive)
let (bundle, context) = try testBundleAndContext(named: "TestBundle")
directive.map { directive in
var problems = [Problem]()
let (match, remainder) = Semantic.Analyses.HasExactlyOne<TestParent, TestChild>(severityIfNotFound: .error).analyze(directive, children: directive.children, source: nil, for: bundle, in: context, problems: &problems)
XCTAssertNotNil(match)
XCTAssertTrue(remainder.isEmpty)
XCTAssertEqual(2, problems.count)
XCTAssertEqual("org.swift.docc.HasExactlyOne<Parent, \(TestChild.self)>.DuplicateChildren", problems[0].diagnostic.identifier)
XCTAssertEqual("org.swift.docc.HasExactlyOne<Parent, \(TestChild.self)>.DuplicateChildren", problems[1].diagnostic.identifier)
XCTAssert(problems.allSatisfy { $0.diagnostic.severity == .error })
XCTAssertEqual("""
error: Duplicate 'Child' child directive
The 'Parent' directive must have exactly one 'Child' child directive
""", DiagnosticConsoleWriter.formattedDescription(for: problems[0].diagnostic, options: .formatConsoleOutputForTools))
}
}
func testAlternateDirectiveTitle() throws {
let source = """
@AlternateParent {
@AlternateChild
}
"""
let document = Document(parsing: source, options: .parseBlockDirectives)
let directive = document.child(at: 0) as? BlockDirective
XCTAssertNotNil(directive)
let (bundle, context) = try testBundleAndContext(named: "TestBundle")
directive.map { directive in
var problems = [Problem]()
let (match, remainder) = Semantic.Analyses.HasExactlyOne<TestParent, TestChild>(severityIfNotFound: .error).analyze(directive, children: directive.children, source: nil, for: bundle, in: context, problems: &problems)
XCTAssertNotNil(match)
XCTAssertTrue(remainder.isEmpty)
XCTAssertTrue(problems.isEmpty)
}
}
}
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