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/*
This source file is part of the Swift.org open source project
Copyright (c) 2014 - 2017 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
private struct FooDiag: DiagnosticData {
let arr: [String]
let str: String
let int: Int
var description: String {
return "literal \(arr.joined(separator: ", ")) \(int) \(str) bar \(str)"
}
}
private struct FooLocation: DiagnosticLocation {
let name: String
var description: String {
return name
}
}
class DiagnosticsEngineTests: XCTestCase {
func testBasics() {
let diagnostics = DiagnosticsEngine()
diagnostics.emit(.error(
FooDiag(arr: ["foo", "bar"], str: "str", int: 2)),
location: FooLocation(name: "foo loc")
)
let diag = diagnostics.diagnostics[0]
XCTAssertEqual(diagnostics.diagnostics.count, 1)
XCTAssertEqual(diag.location.description, "foo loc")
XCTAssertEqual(diag.description, "literal foo, bar 2 str bar str")
XCTAssertEqual(diag.message.behavior, .error)
}
func testMerging() {
let engine1 = DiagnosticsEngine()
engine1.emit(
.error(FooDiag(arr: ["foo", "bar"], str: "str", int: 2)),
location: FooLocation(name: "foo loc")
)
XCTAssertEqual(engine1.diagnostics.count, 1)
let engine2 = DiagnosticsEngine()
engine2.emit(
.error(FooDiag(arr: ["foo", "bar"], str: "str", int: 2)),
location: FooLocation(name: "foo loc")
)
engine2.emit(
.error(FooDiag(arr: ["foo", "bar"], str: "str", int: 2)),
location: FooLocation(name: "foo loc")
)
XCTAssertEqual(engine2.diagnostics.count, 2)
engine1.merge(engine2)
XCTAssertEqual(engine1.diagnostics.count, 3)
XCTAssertEqual(engine2.diagnostics.count, 2)
}
func testHandlers() {
var handledDiagnostics: [Diagnostic] = []
let handler: DiagnosticsEngine.DiagnosticsHandler = { diagnostic in
handledDiagnostics.append(diagnostic)
}
let diagnostics = DiagnosticsEngine(handlers: [handler])
let location = FooLocation(name: "location")
diagnostics.emit(
.error(FooDiag(arr: ["foo", "bar"], str: "str", int: 2)),
location: location
)
diagnostics.emit(.error(StringDiagnostic("diag 2")), location: location)
diagnostics.emit(.note(StringDiagnostic("diag 3")), location: location)
diagnostics.emit(.remark(StringDiagnostic("diag 4")), location: location)
diagnostics.emit(.error(StringDiagnostic("end")), location: location)
XCTAssertEqual(handledDiagnostics.count, 5)
for diagnostic in handledDiagnostics {
XCTAssertEqual(diagnostic.location.description, location.description)
}
XCTAssertEqual(handledDiagnostics[0].description, "literal foo, bar 2 str bar str")
XCTAssertEqual(handledDiagnostics[1].description, "diag 2")
XCTAssertEqual(handledDiagnostics[2].description, "diag 3")
XCTAssertEqual(handledDiagnostics[3].description, "diag 4")
XCTAssertEqual(handledDiagnostics[4].description, "end")
}
}
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