package com.zetcode.bag;

import org.junit.jupiter.api.BeforeEach;

import org.junit.jupiter.api.DisplayName;

import org.junit.jupiter.api.Test;

import java.util.Arrays;

import java.util.Collections;

import static org.junit.jupiter.api.Assertions.assertEquals;

import static org.junit.jupiter.api.Assertions.assertFalse;

import static org.junit.jupiter.api.Assertions.assertTrue;

class ColorBagTest {

private ColorBag colorBag;

@BeforeEach

void setupEach() {

colorBag = new ColorBag();

colorBag.add("red");

colorBag.add("green");

colorBag.add("yellow");

colorBag.add("blue");

colorBag.add("magenta");

colorBag.add("brown");

}

@Test

@DisplayName("added color value should be in bag")

void add() {

var newColor = "pink";

colorBag.add(newColor);

assertTrue(colorBag.contains(newColor),

"failure - added colour not it the bag");

}

@Test

@DisplayName("removed color should not be in bag")

void remove() {

var color = "green";

colorBag.remove(color);

assertFalse(colorBag.contains(color),

"failure - removed color still in bag");

}

@Test

@DisplayName("color bag should be transformed into List")

void toList() {

var myList = Arrays.asList("red","green", "yellow",

"blue", "magenta", "brown");

var colorList = colorBag.toList();

Collections.sort(myList);

Collections.sort(colorList);

assertEquals(colorList, myList,

"failure - color bag not transformed into List");

}

@Test

@DisplayName("size of a color bag should match")

void size() {

int bagSize = colorBag.size();

assertEquals(6, bagSize,

"failure - size of bag does not match");

}

}