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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
import TSCUtility
#if canImport(Darwin)
import class Foundation.Bundle
#endif
public func XCTAssertFileExists(_ path: AbsolutePath, file: StaticString = #file, line: UInt = #line) {
if !localFileSystem.isFile(path) {
XCTFail("Expected file doesn't exist: \(path)", file: file, line: line)
}
}
public func XCTAssertDirectoryExists(_ path: AbsolutePath, file: StaticString = #file, line: UInt = #line) {
if !localFileSystem.isDirectory(path) {
XCTFail("Expected directory doesn't exist: \(path)", file: file, line: line)
}
}
public func XCTAssertNoSuchPath(_ path: AbsolutePath, file: StaticString = #file, line: UInt = #line) {
if localFileSystem.exists(path) {
XCTFail("path exists but should not: \(path)", file: file, line: line)
}
}
public func XCTAssertThrows<T: Swift.Error>(
_ expectedError: T,
file: StaticString = #file,
line: UInt = #line,
_ body: () throws -> Void
) where T: Equatable {
do {
try body()
XCTFail("body completed successfully", file: file, line: line)
} catch let error as T {
XCTAssertEqual(error, expectedError, file: file, line: line)
} catch {
XCTFail("unexpected error thrown: \(error)", file: file, line: line)
}
}
public func XCTAssertThrows<T: Swift.Error, Ignore>(
_ expression: @autoclosure () throws -> Ignore,
file: StaticString = #file,
line: UInt = #line,
_ errorHandler: (T) -> Bool
) {
do {
let result = try expression()
XCTFail("body completed successfully: \(result)", file: file, line: line)
} catch let error as T {
XCTAssertTrue(errorHandler(error), "Error handler returned false", file: file, line: line)
} catch {
XCTFail("unexpected error thrown: \(error)", file: file, line: line)
}
}
public func XCTNonNil<T>(
_ optional: T?,
file: StaticString = #file,
line: UInt = #line,
_ body: (T) throws -> Void
) {
guard let optional = optional else {
return XCTFail("Unexpected nil value", file: file, line: line)
}
do {
try body(optional)
} catch {
XCTFail("Unexpected error \(error)", file: file, line: line)
}
}
public func XCTAssertResultSuccess<Success, Failure: Error>(
_ result: Result<Success, Failure>,
file: StaticString = #file,
line: UInt = #line
) {
switch result {
case .success:
return
case .failure(let error):
XCTFail("unexpected error: \(error)", file: file, line: line)
}
}
public func XCTAssertResultSuccess<Success, Failure: Error>(
_ result: Result<Success, Failure>,
file: StaticString = #file,
line: UInt = #line,
_ body: (Success) throws -> Void
) rethrows {
switch result {
case .success(let value):
try body(value)
case .failure(let error):
XCTFail("unexpected error: \(error)", file: file, line: line)
}
}
public func XCTAssertResultFailure<Success, Failure: Error>(
_ result: Result<Success, Failure>,
file: StaticString = #file,
line: UInt = #line
) {
switch result {
case .success(let value):
XCTFail("unexpected success: \(value)", file: file, line: line)
case .failure:
return
}
}
public func XCTAssertResultFailure<Success, Failure: Error, ExpectedFailure: Error>(
_ result: Result<Success, Failure>,
equals expectedError: ExpectedFailure,
file: StaticString = #file,
line: UInt = #line
) where ExpectedFailure: Equatable {
switch result {
case .success(let value):
XCTFail("unexpected success: \(value)", file: file, line: line)
case .failure(let error as ExpectedFailure):
XCTAssertEqual(error, expectedError, file: file, line: line)
case .failure(let error):
XCTFail("unexpected error: \(error)", file: file, line: line)
}
}
public func XCTAssertResultFailure<Success, Failure: Error>(
_ result: Result<Success, Failure>,
file: StaticString = #file,
line: UInt = #line,
_ body: (Failure) throws -> Void
) rethrows {
switch result {
case .success(let value):
XCTFail("unexpected success: \(value)", file: file, line: line)
case .failure(let error):
try body(error)
}
}
public func XCTAssertNoDiagnostics(_ engine: DiagnosticsEngine, file: StaticString = #file, line: UInt = #line) {
let diagnostics = engine.diagnostics
if diagnostics.isEmpty { return }
let diags = engine.diagnostics.map({ "- " + $0.description }).joined(separator: "\n")
XCTFail("Found unexpected diagnostics: \n\(diags)", file: file, line: line)
}
public func XCTAssertEqual<T:Equatable, U:Equatable> (_ lhs:(T,U), _ rhs:(T,U), file: StaticString = #file, line: UInt = #line) {
XCTAssertEqual(lhs.0, rhs.0)
XCTAssertEqual(lhs.1, rhs.1)
}
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