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");
    }
}