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package eu.equalparts.cardbase.cardstorage;
import static org.junit.Assert.assertEquals;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import com.fasterxml.jackson.databind.ObjectMapper;
import eu.equalparts.cardbase.cards.Card;
/**
* This test class tests storage-by-reference behaviour only.
* For standalone storage behaviour tests, see {@code StandaloneCardContainerTest}.
*
* @author Eduardo Pedroni
*
*/
public class ReferenceCardContainerTest {
private ReferenceCardContainer uut;
private static Card testCard;
@Rule
public final ExpectedException exception = ExpectedException.none();
@BeforeClass
public static void setUpBeforeClass() throws Exception {
ObjectMapper mapper = new ObjectMapper();
testCard = mapper.readValue(ReferenceCardContainerTest.class.getResourceAsStream("/shivandragon.json"), Card.class);
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
}
@Before
public void setUp() throws Exception {
uut = new ReferenceCardContainer() {
};
}
/***********************************************************************************
* Adding card tests, happy path
***********************************************************************************/
@Test
public void newCardIsAdded() throws Exception {
uut.addCard(testCard, 1);
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);
assertEquals("Container should have contained 6 test cards.", 6, uut.getCount(testCard));
}
/*
* Edge cases
*/
@Test
public void cardAddedIsNull() throws Exception {
exception.expect(NullPointerException.class);
uut.addCard(null, 0);
}
/***********************************************************************************
* Removing card tests, happy path
***********************************************************************************/
@Test
public void cardRemoveCountIsLessThanCardCount() 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);
}
@Test
public void cardRemoveCountIsEqualToCardCount() 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);
}
@Test
public void cardRemoveCountIsGreaterThanCardCount() 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);
}
/*
* Edge cases
*/
@Test
public void removedCardIsNull() throws Exception {
exception.expect(NullPointerException.class);
uut.removeCard(null, 0);
}
@Test
public void removedCardIsNotInCardbase() throws Exception {
int removed = uut.removeCard(testCard, 1);
assertEquals("Removed count should be 0.", 0, removed);
}
@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);
}
}
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