feat: ship class and test

battleship/tests/ship.test.js

@@ -0,0 +1,29 @@
+import { Ship } from "../src/components/ship";
+
+
+it('should have length, number of times hit, and if sunk', () => {
+    // Small ship
+    const _ship = new Ship(2)
+    expect(_ship).toEqual({
+        length: 2,
+        hits: 0,
+    })
+
+})
+
+it('if hit, hit count should increase', () => {
+    const _ship = new Ship(2);
+    _ship.hit();
+    expect(_ship.hits).toBe(1);
+})
+
+it('is not sunk', () => {
+    const _ship = new Ship(2);
+    expect(_ship.isSunk()).toBeFalsy()
+})
+
+it('is sunk', () => {
+    const _ship = new Ship(2);
+    _ship.hits = 2;
+    expect(_ship.isSunk()).toBeTruthy()
+})