@Test
public void givenASimpleIncrease_thenTheQualityIsIncreased() {
InnItem innItem = new InnItem("Lambda", 0, 0);
innItem.increaseQuality();
assertThat(innItem.getQuality()).isEqualTo(1);
}
@Test
public void givenAnItemWithAName_thenItMatchTheNamePartially() {
InnItem innItem = new InnItem("Lambda object", -1, 0);
assertThat(innItem.is("Lambda")).isTrue();
}
@Test
public void givenAnItemWithAName_thenItDoesNotMatchTheName() {
InnItem innItem = new InnItem("Lambda object", -1, 0);
assertThat(innItem.is("FooBar")).isFalse();
}
@Test
public void givenAnItemWithANegativeSellin_thenTheSellinDayIsPassed() {
InnItem innItem = new InnItem("Lambda", -1, 0);
assertThat(innItem.isSellInDayPassed()).isTrue();
}
@Test
public void givenAnItemWithAZeroSellin_thenTheSellinDayIsNotPassed() {
InnItem innItem = new InnItem("Lambda", 0, 0);
assertThat(innItem.isSellInDayPassed()).isFalse();
}
@Test
public void givenASimpleDecrease_thenTheSellinIsDecreased() {
InnItem innItem = new InnItem("Lambda", 4, 0);
innItem.decreaseSellIn();
assertThat(innItem.getSellIn()).isEqualTo(3);
}
@Test
public void givenADoubleIncrease_thenTheQualityIsDoublyIncreased() {
InnItem innItem = new InnItem("Lambda", 0, 1);
innItem.increaseQuality(3);
assertThat(innItem.getQuality()).isEqualTo(4);
}
@Test
public void givenATripleDecrease_thenTheQualityIsTripleDecreased() {
InnItem innItem = new InnItem("Lambda", 0, 5);
innItem.decreaseQuality(3);
assertThat(innItem.getQuality()).isEqualTo(2);
}
