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/*
This source file is part of the Swift.org open source project
Copyright (c) 2020 Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See http://swift.org/LICENSE.txt for license information
See http://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
import XCTest
import TSCBasic
import TSCUtility
class DiagnosticsTests: XCTestCase {
func testDiagnosticsLocationProviding() throws {
let diagnostics = DiagnosticsEngine()
struct BazLocation: DiagnosticLocation {
let name: String
var description: String {
return name
}
}
struct CustomError: Error, CustomStringConvertible, DiagnosticLocationProviding {
var location: String?
var diagnosticLocation: DiagnosticLocation? {
return location.flatMap{ BazLocation(name: $0) }
}
var description: String {
return "provided location is '\(location ?? "nil")'"
}
}
diagnostics.with(location: BazLocation(name: "elsewhere")) { diagnostics in
diagnostics.wrap {
throw CustomError(location: "somewhere")
}
diagnostics.wrap {
throw CustomError(location: nil)
}
}
XCTAssertEqual(diagnostics.diagnostics.count, 2)
let firstDiagnostic = try XCTUnwrap(diagnostics.diagnostics.first)
XCTAssertEqual(firstDiagnostic.location.description, "somewhere")
XCTAssertEqual(firstDiagnostic.description, "provided location is 'somewhere'")
XCTAssertEqual(firstDiagnostic.message.behavior, .error)
let secondDiagnostic = try XCTUnwrap(diagnostics.diagnostics.last)
XCTAssertEqual(secondDiagnostic.location.description, "elsewhere")
XCTAssertEqual(secondDiagnostic.description, "provided location is 'nil'")
XCTAssertEqual(secondDiagnostic.message.behavior, .error)
}
}
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