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package eu.equalparts.cardbase.cardstorage;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.lang.reflect.Field;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.rules.TemporaryFolder;
import com.fasterxml.jackson.databind.ObjectMapper;
import eu.equalparts.cardbase.CardbaseTest;
import eu.equalparts.cardbase.cards.Card;
public class StandaloneCardContainerTest {
private StandaloneCardContainer uut;
private static Card testCard;
@Rule
public final ExpectedException exception = ExpectedException.none();
@Rule
public final TemporaryFolder tempFolder = new TemporaryFolder();
@BeforeClass
public static void setUpBeforeClass() throws Exception {
ObjectMapper mapper = new ObjectMapper();
testCard = mapper.readValue(CardbaseTest.class.getResourceAsStream("/shivandragon.json"), Card.class);
}
@Before
public void setUp() throws Exception {
uut = new StandaloneCardContainer();
}
/***********************************************************************************
* Adding card tests, happy path
***********************************************************************************/
@Test
public void newCardIsAdded() throws Exception {
assertNull("Container should not contain the test card to begin with.", uut.getCard(testCard.setCode, testCard.number));
uut.addCard(testCard, 1);
assertEquals("Container should contain the test card once it is added.", testCard, uut.getCard(testCard.setCode, testCard.number));
assertEquals("Container should have contained 1 test card.", 1, uut.getCount(testCard));
}
@Test
public void existingCardIsIncremented() throws Exception {
uut.addCard(testCard, 2);
uut.addCard(testCard, 4);
Card addedCard = uut.getCard(testCard.setCode, testCard.number);
assertNotNull("Card was not found in cardbase.", addedCard);
assertEquals("Card count was not updated correctly.", 6, uut.getCount(addedCard));
}
/*
* Edge cases
*/
@Test
public void cardAddedIsNull() throws Exception {
exception.expect(NullPointerException.class);
uut.addCard(null, 0);
}
/***********************************************************************************
* Removing card tests, happy path
***********************************************************************************/
@Test
public void cardIsStillPresentIfRemoveCountIsLessThanCardCount() throws Exception {
uut.addCard(testCard, 5);
int removed = uut.removeCard(testCard, 3);
assertEquals("Card count was not updated correctly.", 2, uut.getCount(testCard));
assertEquals("Container reports wrong removed count.", 3, removed);
assertEquals("Card is missing from container.", testCard, uut.getCard(testCard.setCode, testCard.number));
}
@Test
public void cardIsRemovedIfRemoveCountIsEqualToCardCount() throws Exception {
uut.addCard(testCard, 5);
int removed = uut.removeCard(testCard, 5);
assertEquals("Card was not removed from container.", 0, uut.getCount(testCard));
assertEquals("Container reports wrong removed count.", 5, removed);
assertNull("Card is not missing from container.", uut.getCard(testCard.setCode, testCard.number));
}
@Test
public void cardIsRemovedIfRemoveCountIsGreaterThanCardCount() throws Exception {
uut.addCard(testCard, 3);
int removed = uut.removeCard(testCard, 5);
assertEquals("Card was not removed from container.", 0, uut.getCount(testCard));
assertEquals("Container reports wrong removed count.", 3, removed);
assertNull("Card is not missing from container.", uut.getCard(testCard.setCode, testCard.number));
}
/*
* Edge cases
*/
@Test
public void removedCardIsNull() throws Exception {
exception.expect(NullPointerException.class);
uut.removeCard(null, 0);
}
@Test
public void removedCardIsNotInContainer() throws Exception {
assertNull("Card is not initially missing from container.", uut.getCard(testCard.setCode, testCard.number));
int removed = uut.removeCard(testCard, 1);
assertEquals("Removed count should be 0.", 0, removed);
assertNull("Card is not missing from container.", uut.getCard(testCard.setCode, testCard.number));
}
@Test
public void removedCountIsLessThanZero() throws Exception {
uut.addCard(testCard, 3);
int removed = uut.removeCard(testCard, -4);
assertEquals("Card count in container should be unchanged.", 3, uut.getCount(testCard));
assertEquals("Container reports wrong removed count.", 0, removed);
assertEquals("Card should not be missing from container.", testCard, uut.getCard(testCard.setCode, testCard.number));
}
/***********************************************************************************
* Card getter tests, happy path
***********************************************************************************/
@Test
public void correctCardIsReturnedByGetter() throws Exception {
uut.addCard(testCard, 1);
Card card = uut.getCard(testCard.setCode, testCard.number);
for (Field field : Card.class.getFields()) {
assertEquals("Field " + field.getName(), field.get(testCard), field.get(card));
}
}
@Test
public void correctCardCollectionIsReturnedByGetter() throws Exception {
uut.addCard(testCard, 1);
assertTrue("Not all cards were returned by the getter.", uut.getCards().contains(testCard));
}
@Test
public void cardCollectionWhenContainerIsEmpty() throws Exception {
assertEquals("Returned collection size should have been 0.", 0, uut.getCards().size());
}
@Test
public void getCardIsNotInCardbase() throws Exception {
assertNull("Method should have returned null", uut.getCard(testCard.setCode, testCard.number));
}
}
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