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//
// AccountTokenInputTests.swift
// MullvadVPNTests
//
// Created by pronebird on 10/04/2020.
// Copyright © 2020 Mullvad VPN AB. All rights reserved.
//
import XCTest
private let kSampleToken = "12345678"
class AccountTokenInputTests: XCTestCase {
func testInitialValue() {
let input = AccountTokenInput(string: kSampleToken)
XCTAssertEqual(input.formattedString, "1234 5678")
XCTAssertEqual(input.caretPosition, 9)
}
func testReplacingValue() {
let input = AccountTokenInput()
input.replace(with: "00000000")
XCTAssertEqual(input.formattedString, "0000 0000")
XCTAssertEqual(input.caretPosition, 9)
}
func testRemovingSeparator() {
let input = AccountTokenInput(string: kSampleToken)
input.replaceCharacters(
in: input.formattedString.range(withOffset: 4, length: 1),
replacementString: "",
emptySelection: true)
XCTAssertEqual(input.formattedString, "1235 678")
XCTAssertEqual(input.caretPosition, 3)
}
func testRemovingSeparatorRange() {
let input = AccountTokenInput(string: kSampleToken)
input.replaceCharacters(
in: input.formattedString.range(withOffset: 4, length: 1),
replacementString: "",
emptySelection: false)
XCTAssertEqual(input.formattedString, "1234 5678")
XCTAssertEqual(input.caretPosition, 4)
}
func testRemovingRange() {
let input = AccountTokenInput(string: kSampleToken)
input.replaceCharacters(
in: input.formattedString.range(withOffset: 7, length: 2),
replacementString: "",
emptySelection: false)
XCTAssertEqual(input.formattedString, "1234 56")
XCTAssertEqual(input.caretPosition, 7)
}
func testInserting() {
let input = AccountTokenInput(string: kSampleToken)
input.replaceCharacters(
in: input.formattedString.range(withOffset: 5, length: 0),
replacementString: "0000",
emptySelection: true)
XCTAssertEqual(input.formattedString, "1234 0000 5678")
XCTAssertEqual(input.caretPosition, 9)
}
func testReplacingRange() {
let input = AccountTokenInput(string: kSampleToken)
input.replaceCharacters(
in: input.formattedString.range(withOffset: 5, length: 4),
replacementString: "0000",
emptySelection: false)
XCTAssertEqual(input.formattedString, "1234 0000")
XCTAssertEqual(input.caretPosition, 9)
}
}
private extension String {
func range(withOffset offset: String.IndexDistance, length: Int) -> Range<String.Index> {
let start = index(startIndex, offsetBy: offset)
let end = index(start, offsetBy: length)
return start ..< end
}
}
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