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card_test.go
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card_test.go
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package deckofcards
import (
"fmt"
"strconv"
"strings"
"testing"
"time"
)
const TestDECKID = "TEST_ID"
func TestNewCard(t *testing.T) {
var suits = [...]string{"S", "D", "C", "H"}
for _, suit := range suits {
for i := 2; i < 10; i++ {
cardCreatorHelper(TestDECKID, suit, strconv.Itoa(i), t)
}
cardCreatorHelper(TestDECKID, suit, "0", t)
cardCreatorHelper(TestDECKID, suit, "A", t)
cardCreatorHelper(TestDECKID, suit, "K", t)
cardCreatorHelper(TestDECKID, suit, "Q", t)
cardCreatorHelper(TestDECKID, suit, "J", t)
}
cardCreatorHelper(TestDECKID, "*", "*", t)
}
func cardCreatorHelper(deckID, suit, value string, t *testing.T) {
card, err := newCard(deckID, value, suit)
if err != nil {
t.Logf("Failed to create card for: %s%s\n", value, suit)
t.FailNow()
}
if !strings.EqualFold(card.Code, fmt.Sprintf("%s%s", value, suit)) {
t.Logf("Failed to verify card code for: %s%s expected: %s\n", value, suit, card.Code)
t.FailNow()
}
CheckSuit(t, card, value, suit)
CheckValue(t, card, value, suit)
if card.drawn {
t.Logf("Failed to verify card drawn flag for: %s%s expected: false but received: %t\n", value, suit, card.drawn)
t.FailNow()
}
if !strings.EqualFold(card.DeckID, TestDECKID) {
t.Logf("The DeckID is not correctly stored on the creation of a new card.\n")
t.FailNow()
}
t.Log("Finished running " + fmt.Sprintf("%s%s", value, suit) + ": " + time.Now().String())
}
func CheckSuit(t *testing.T, card *Card, value, suit string) {
switch suit {
case "S":
if !strings.EqualFold(card.Suit, "SPADES") {
t.Logf("Failed to verify card suit for: %s%s expected: SPADES\n", value, suit)
t.FailNow()
}
case "D":
if !strings.EqualFold(card.Suit, "DIAMONDS") {
t.Logf("Failed to verify card suit for: %s%s expected: DIAMONDS\n", value, suit)
t.FailNow()
}
case "C":
if !strings.EqualFold(card.Suit, "CLUBS") {
t.Logf("Failed to verify card suit for: %s%s expected: CLUBS\n", value, suit)
t.FailNow()
}
case "H":
if !strings.EqualFold(card.Suit, "HEARTS") {
t.Logf("Failed to verify card suit for: %s%s expected: HEARTS\n", value, suit)
t.FailNow()
}
case "*":
if !strings.EqualFold(card.Suit, "NONE") {
t.Logf("Failed to verify card suit for: %s%s expected: NONE\n", value, suit)
t.FailNow()
}
}
}
func CheckValue(t *testing.T, card *Card, value, suit string) {
switch value {
case "A":
if !strings.EqualFold(card.Value, "ACE") {
t.Logf("Failed to verify card code for: %s%s expected: ACE but received: %s\n", value, suit, card.Value)
t.FailNow()
}
case "K":
if !strings.EqualFold(card.Value, "KING") {
t.Logf("Failed to verify card value for: %s%s expected: KING but received: %s\n", value, suit, card.Value)
t.FailNow()
}
case "Q":
if !strings.EqualFold(card.Value, "QUEEN") {
t.Logf("Failed to verify card value for: %s%s expected: QUEEN but received: %s\n", value, suit, card.Value)
t.FailNow()
}
case "J":
if !strings.EqualFold(card.Value, "JACK") {
t.Logf("Failed to verify card value for: %s%s expected: JACK but received: %s\n", value, suit, card.Value)
t.FailNow()
}
case "0":
if !strings.EqualFold(card.Value, "10") {
t.Logf("Failed to verify card value for: %s%s expected: 10 but received: %s\n", value, suit, card.Value)
t.FailNow()
}
case "*":
if !strings.EqualFold(card.Value, "JOKER") {
t.Logf("Failed to verify card value for: %s%s expected: JOKER but received %s\n", value, suit, card.Value)
t.FailNow()
}
default:
if !strings.EqualFold(card.Value, value) {
t.Logf("Failed to verify card code for: %s%s expected: %s but received: %s\n", value, suit, value, card.Value)
t.FailNow()
}
}
}
func TestNewCardWithInvalidSuit(t *testing.T) {
suit := ""
value := "0"
expectedError := fmt.Sprintf("Card suit (%s), value (%s): invalid suit.", suit, value)
card, err := newCard(TestDECKID, value, suit)
if card == nil {
if !strings.EqualFold(err.Error(), expectedError) {
t.Logf("expected:[%s] but received:[%s]\n", expectedError, err.Error())
t.FailNow()
}
}
}
func TestNewCardWithInvalidValue(t *testing.T) {
suit := "S"
value := "^"
expectedError := fmt.Sprintf("Card suit (%s), value (%s): invalid value.", suit, value)
card, err := newCard(TestDECKID, value, suit)
if card == nil {
if !strings.Contains(err.Error(), expectedError) {
t.Logf("expected:[%s] but received:[%s]\n", expectedError, err.Error())
t.FailNow()
}
}
}
func TestCardString(t *testing.T) {
card, err := newCard(TestDECKID, "*", "*")
if err != nil {
t.Logf("Failed to create card: %s\n", err.Error())
t.FailNow()
}
actualString := card.String()
expectedString := fmt.Sprintf("DeckID: %s\n%s - %s", card.DeckID, card.Suit, card.Value)
if !strings.EqualFold(actualString, expectedString) {
t.Logf("expected:[%s] but received:[%s]\n", expectedString, actualString)
t.FailNow()
}
}
func TestDraw(t *testing.T) {
card, err := newCard(TestDECKID, "*", "*")
if err != nil {
t.Logf("Failed to create card: %s\n", err.Error())
t.FailNow()
}
if card.drawn {
t.Logf("Card not properly initialized. Expected drawn property to be false after creation.\n")
t.FailNow()
}
drawnCard := card.draw()
if !drawnCard.drawn {
t.Logf("Card not properly drawn. Expected drawn property to be true after a draw.\n")
t.FailNow()
}
if !strings.EqualFold(drawnCard.Code, card.Code) {
t.Logf("expected:[%s] but received:[%s]\n", card.Code, drawnCard.Code)
t.FailNow()
}
if !strings.EqualFold(drawnCard.Value, card.Value) {
t.Logf("expected:[%s] but received:[%s]\n", card.Value, drawnCard.Value)
t.FailNow()
}
if !strings.EqualFold(drawnCard.Suit, card.Suit) {
t.Logf("expected:[%s] but received:[%s]\n", card.Suit, drawnCard.Suit)
t.FailNow()
}
}
func TestClone(t *testing.T) {
card, err := newCard(TestDECKID, "*", "*")
if err != nil {
t.Logf("Failed to create card: %s\n", err.Error())
t.FailNow()
}
clone := card.cloneCard()
if !card.Equals(clone) {
t.Logf("The two cards do not match after a clone.\n")
t.FailNow()
}
}
func TestEquals(t *testing.T) {
card, err := newCard(TestDECKID, "*", "*")
if err != nil {
t.Logf("Failed to create card: %s\n", err.Error())
t.FailNow()
}
clone := card.cloneCard()
if !card.Equals(clone) {
t.Logf("The two cards do not match after a clone.\n")
t.FailNow()
}
clone.Code = "1"
if card.Equals(clone) {
t.Logf("The two cards do match after altering the clone.\n")
t.FailNow()
}
clone = card.cloneCard()
clone.Suit = "3"
if card.Equals(clone) {
t.Logf("The two cards do match after altering the clone.\n")
t.FailNow()
}
clone = card.cloneCard()
clone.Value = "4"
if card.Equals(clone) {
t.Logf("The two cards do match after altering the clone.\n")
t.FailNow()
}
clone = card.cloneCard()
clone.drawn = !card.drawn
if card.Equals(clone) {
t.Logf("The two cards do match after altering the clone.\n")
t.FailNow()
}
}