MNG-119 Add_player_class_tests (#41)

* Add test for too long name

* Add test for too many pokemons

* Add test for useMango

* Add test for addPokemon function

src/__tests__/playerClass.spec.ts

@@ -0,0 +1,81 @@
+import { Player } from "../playerClass";
+import { Pokemon } from "../pokemonClass";
+import { PokemonFactory } from "../pokemonFactory";
+import * as data from "../../assets/poke_data.json";
+
+describe("Test Player class", () => {
+    const pokeData = data.pokemons;
+    const factory = new PokemonFactory(pokeData);
+
+    const player = (name: string, pokemons: Pokemon[]) => {
+        return new Player(name, pokemons)
+    };
+
+    it("Should throw error when player name is longer than 8", () => {
+        // Given
+        const name = "Elizabeth"
+        const pokemonList = [
+            factory.getPokemonByName("bulbasaur"),
+            factory.getPokemonByName("charmander"),
+            factory.getPokemonByName("pikachu"),
+        ]
+
+        // When
+        const playerWithTooLongName = () => player(name, pokemonList)
+
+        // Then
+        expect(playerWithTooLongName).toThrow("Too long name")
+    });
+
+    it("Should throw error when list of pokemons is longer than 3", () => {
+        // Given
+        const name = "Mark"
+        const pokemonList = [
+            factory.getPokemonByName("bulbasaur"),
+            factory.getPokemonByName("charmander"),
+            factory.getPokemonByName("pikachu"),
+            factory.getPokemonByName("squirtle")
+        ]
+
+        // When
+        const playerWithTooMuchPokemens = () => player(name, pokemonList)
+
+        // Then
+        expect(playerWithTooMuchPokemens).toThrow("Wrong number of pokemons")
+    });
+
+    it("Should throw error when player has not mango", () => {
+        // Given
+        const name = "Mark"
+        const pokemonList = [
+            factory.getPokemonByName("bulbasaur"),
+            factory.getPokemonByName("charmander"),
+            factory.getPokemonByName("pikachu"),
+        ]
+
+        // When
+        const playerOne = player(name, pokemonList)
+        const useMango = () => playerOne.useMango()
+        useMango()
+
+        // Then
+        expect(useMango).toThrow("You cannot use mango. You use all mangos")
+    });
+
+    it("Checks if addPokemon function works", () => {
+        // Given
+        const name = "Mark"
+        const pokemonList = [
+            factory.getPokemonByName("bulbasaur"),
+            factory.getPokemonByName("charmander")
+        ]
+
+        // When
+        const playerOne = player(name, pokemonList)
+        playerOne.addPokemon(factory.getPokemonByName("squirtle"))
+        const numberOfPokemons = playerOne.pokemons.length
+
+        // Then
+        expect(numberOfPokemons).toEqual(3)
+    });
+});