Implemented hand and deck

api/tests/card_test.rs

@@ -2,6 +2,7 @@ use poker_api::card::Card;
 
 #[test]
 fn test_card_integration() {
-    let card = Card::from_string("As");
+    let card = Card::from_string("As").unwrap();
     assert_eq!(card.to_string(), "As");
 }
+

api/tests/deck_tests.rs

@@ -0,0 +1,9 @@
+use poker_api::deck::Deck;
+
+#[test]
+fn test_deck_integration() {
+    let mut deck = Deck::new();
+    let card = deck.deal().unwrap();
+    assert_eq!(deck.cards_left(), 51);
+    assert!(!deck.in_deck(card));
+}

api/tests/hand_test.rs

@@ -0,0 +1,11 @@
+use poker_api::card::Card;
+use poker_api::hand::Hand;
+
+#[test]
+fn test_hand_integration() {
+    let mut hand = Hand::new();
+    hand.add_card(Card::from_string("As").unwrap()).unwrap();
+    hand.add_card(Card::from_string("Ks").unwrap()).unwrap();
+    assert_eq!(hand.size(), 2);
+    assert_eq!(hand.to_string(), "As Ks");
+}