OpenSource/GildedRose-Refactoring-Kata
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Add unit tests for quality of Backstage Passes

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This commit is contained in:
Ovi Trif 2018-10-06 00:08:52 +02:00
parent 02df1d974c
commit 88ba474b7f
1 changed files with 52 additions and 7 deletions
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59
src/test/kotlin/com/gildedrose/QualityTest.kt
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@ -74,7 +74,7 @@ class QualityTest {
store = store.excludeSulfuras()
.excludeBackstagePasses()
.excludeAgedBrie()
val sellIn = (-99 until 0).shuffled().last()
val sellIn = (-generateRandomNumber() until 0).shuffled().last()
val days = (0 until 100).shuffled().last()
val item = pickRandomItem(store).copy(sellIn = sellIn)
val initialItemQuality = item.quality
@ -89,8 +89,8 @@ class QualityTest {
@Test
fun givenAgedBrie_afterAnyNumberOfDays_shouldIncreaseQualityByNumberOfDays() {
val days = generateRandomNumber()
val item = Item("Aged Brie", generateRandomNumber(), (0..50).shuffled().last())
val initialItemQuality = item.quality
val initialItemQuality = (0..50).shuffled().last()
val item = Item("Aged Brie", generateRandomNumber(), initialItemQuality)
val app = GildedRose(arrayOf(item))
app.advanceTimeBy(days)
@ -100,15 +100,60 @@ class QualityTest {
}
@Test
fun givenBackstagePass_afterAnyNumberOfDays_shouldIncreaseQualityByNumberOfDays() {
fun givenBackstagePass_whenSellInNegativeOrZero_shouldSetQualityToZero() {
val days = generateRandomNumber()
val item = Item("Backstage passes to a TAFKAL80ETC concert", generateRandomNumber(), (0..50).shuffled().last())
val initialItemQuality = item.quality
val sellIn = (-generateRandomNumber()..0).shuffled().last()
val item = Item("Backstage passes to a TAFKAL80ETC concert", sellIn, (0..50).shuffled().last())
val app = GildedRose(arrayOf(item))
app.advanceTimeBy(days)
val expectedQuality = (initialItemQuality + days).coerceAtMost(50)
assertThat(item.quality).isZero()
}
@Test
fun givenBackstagePass_whenSellInMoreThanZeroAndLessThanSix_shouldIncreaseQualityByNumberOfDaysMultipliedByThree() {
val sellIn = (1 until 6).shuffled().last()
val days = sellIn - 1
val initialItemQuality = (0..50).shuffled().last()
val item = Item("Backstage passes to a TAFKAL80ETC concert", sellIn, initialItemQuality)
val app = GildedRose(arrayOf(item))
app.advanceTimeBy(days)
val expectedQuality = (initialItemQuality + days * 3).coerceAtMost(50)
assertThat(item.quality).isEqualTo(expectedQuality)
}
@Test
fun givenBackstagePass_whenSellInMoreThanFiveAndLessThanEleven_shouldIncreaseQualityByNumberOfDaysMultipliedByTwo() {
(6 until 11).shuffled().forEach {
val sellIn = it
val days = sellIn - 6
val initialItemQuality = (0..50).shuffled().last()
val item = Item("Backstage passes to a TAFKAL80ETC concert", sellIn, initialItemQuality)
val app = GildedRose(arrayOf(item))
app.advanceTimeBy(days)
val expectedQuality = (initialItemQuality + days * 2).coerceAtMost(50)
assertThat(item.quality).isEqualTo(expectedQuality)
}
}
@Test
fun givenBackstagePass_whenSellInMoreThanEleven_shouldIncreaseQualityByNumberOfDays() {
(11..999).shuffled().forEach {
val sellIn = it
val days = sellIn - 11
val initialItemQuality = (0..50).shuffled().last()
val item = Item("Backstage passes to a TAFKAL80ETC concert", sellIn, initialItemQuality)
val app = GildedRose(arrayOf(item))
app.advanceTimeBy(days)
val expectedQuality = (initialItemQuality + days).coerceAtMost(50)
assertThat(item.quality).isEqualTo(expectedQuality)
}
}
}