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//===----------------------------------------------------------*- swift -*-===//
//
// This source file is part of the Swift Argument Parser open source project
//
// Copyright (c) 2020 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
//
//===----------------------------------------------------------------------===//
import XCTest
import ArgumentParserTestHelpers
import ArgumentParser
final class OptionalEndToEndTests: XCTestCase {
}
// MARK: -
fileprivate struct Foo: ParsableArguments {
struct Name: RawRepresentable, ExpressibleByArgument {
var rawValue: String
}
@Option() var name: Name?
@Option() var max: Int?
}
extension OptionalEndToEndTests {
func testParsing_Optional() throws {
AssertParse(Foo.self, []) { foo in
XCTAssertNil(foo.name)
XCTAssertNil(foo.max)
}
AssertParse(Foo.self, ["--name", "A"]) { foo in
XCTAssertEqual(foo.name?.rawValue, "A")
XCTAssertNil(foo.max)
}
AssertParse(Foo.self, ["--max", "3"]) { foo in
XCTAssertNil(foo.name)
XCTAssertEqual(foo.max, 3)
}
AssertParse(Foo.self, ["--max", "3", "--name", "A"]) { foo in
XCTAssertEqual(foo.name?.rawValue, "A")
XCTAssertEqual(foo.max, 3)
}
}
}
// MARK: -
fileprivate struct Bar: ParsableArguments {
enum Format: String, ExpressibleByArgument {
case A
case B
case C
}
@Option() var name: String? = nil
@Option() var format: Format? = nil
@Option() var foo: String
@Argument() var bar: String? = nil
}
extension OptionalEndToEndTests {
func testParsing_Optional_WithAllValues_1() {
AssertParse(Bar.self, ["--name", "A", "--format", "B", "--foo", "C", "D"]) { bar in
XCTAssertEqual(bar.name, "A")
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, "D")
}
}
func testParsing_Optional_WithAllValues_2() {
AssertParse(Bar.self, ["D", "--format", "B", "--foo", "C", "--name", "A"]) { bar in
XCTAssertEqual(bar.name, "A")
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, "D")
}
}
func testParsing_Optional_WithAllValues_3() {
AssertParse(Bar.self, ["--format", "B", "--foo", "C", "D", "--name", "A"]) { bar in
XCTAssertEqual(bar.name, "A")
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, "D")
}
}
func testParsing_Optional_WithMissingValues_1() {
AssertParse(Bar.self, ["--format", "B", "--foo", "C", "D"]) { bar in
XCTAssertEqual(bar.name, nil)
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, "D")
}
}
func testParsing_Optional_WithMissingValues_2() {
AssertParse(Bar.self, ["D", "--format", "B", "--foo", "C"]) { bar in
XCTAssertEqual(bar.name, nil)
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, "D")
}
}
func testParsing_Optional_WithMissingValues_3() {
AssertParse(Bar.self, ["--format", "B", "--foo", "C", "D"]) { bar in
XCTAssertEqual(bar.name, nil)
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, "D")
}
}
func testParsing_Optional_WithMissingValues_4() {
AssertParse(Bar.self, ["--name", "A", "--format", "B", "--foo", "C"]) { bar in
XCTAssertEqual(bar.name, "A")
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, nil)
}
}
func testParsing_Optional_WithMissingValues_5() {
AssertParse(Bar.self, ["--format", "B", "--foo", "C", "--name", "A"]) { bar in
XCTAssertEqual(bar.name, "A")
XCTAssertEqual(bar.format,.B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, nil)
}
}
func testParsing_Optional_WithMissingValues_6() {
AssertParse(Bar.self, ["--format", "B", "--foo", "C", "--name", "A"]) { bar in
XCTAssertEqual(bar.name, "A")
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, nil)
}
}
func testParsing_Optional_WithMissingValues_7() {
AssertParse(Bar.self, ["--foo", "C"]) { bar in
XCTAssertEqual(bar.name, nil)
XCTAssertEqual(bar.format, nil)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, nil)
}
}
func testParsing_Optional_WithMissingValues_8() {
AssertParse(Bar.self, ["--format", "B", "--foo", "C"]) { bar in
XCTAssertEqual(bar.name, nil)
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, nil)
}
}
func testParsing_Optional_WithMissingValues_9() {
AssertParse(Bar.self, ["--format", "B", "--foo", "C"]) { bar in
XCTAssertEqual(bar.name, nil)
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, nil)
}
}
func testParsing_Optional_WithMissingValues_10() {
AssertParse(Bar.self, ["--format", "B", "--foo", "C"]) { bar in
XCTAssertEqual(bar.name, nil)
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, nil)
}
}
func testParsing_Optional_WithMissingValues_11() {
AssertParse(Bar.self, ["--format", "B", "--foo", "C", "--name", "A"]) { bar in
XCTAssertEqual(bar.name, "A")
XCTAssertEqual(bar.format, .B)
XCTAssertEqual(bar.foo, "C")
XCTAssertEqual(bar.bar, nil)
}
}
func testParsing_Optional_Fails() throws {
XCTAssertThrowsError(try Bar.parse([]))
XCTAssertThrowsError(try Bar.parse(["--format", "ZZ", "--foo", "C"]))
XCTAssertThrowsError(try Bar.parse(["--fooz", "C"]))
XCTAssertThrowsError(try Bar.parse(["--nam", "A", "--foo", "C"]))
XCTAssertThrowsError(try Bar.parse(["--name"]))
XCTAssertThrowsError(try Bar.parse(["A"]))
XCTAssertThrowsError(try Bar.parse(["--name", "A", "D"]))
XCTAssertThrowsError(try Bar.parse(["--name", "A", "--foo"]))
XCTAssertThrowsError(try Bar.parse(["--name", "A", "--format", "B"]))
XCTAssertThrowsError(try Bar.parse(["--name", "A", "-f"]))
XCTAssertThrowsError(try Bar.parse(["D", "--name", "A"]))
XCTAssertThrowsError(try Bar.parse(["-f", "--name", "A"]))
}
}
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