Created
April 27, 2019 09:46
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@Test | |
fun `findMostOrderedProducts - 6 orders for 3 products in db - returns Top 2`() { | |
// given | |
val numberOfProducts = 2 | |
val product1 = Product("1", "Ryzen 7 2700X", "AMD") | |
val product2 = Product("2", "Core i9 9900K", "Intel") | |
val product3 = Product("3", "Ryzen Threadripper 2990WX", "AMD") | |
productRepository.saveAll(setOf(product1, product2, product3)) | |
persistNewOrderForProduct(product1.id) | |
persistNewOrderForProduct(product1.id) | |
persistNewOrderForProduct(product1.id) | |
persistNewOrderForProduct(product2.id) | |
persistNewOrderForProduct(product2.id) | |
persistNewOrderForProduct(product3.id) | |
// when | |
val foundProducts = productRepository.findMostOrderedProducts(numberOfProducts) | |
// then | |
assertThat(foundProducts).hasSize(numberOfProducts) | |
assertThat(foundProducts).containsExactlyInAnyOrder(product1, product2) | |
} | |
private fun persistNewOrderForProduct(productId: String) { | |
val order1 = Order(UUID.randomUUID().toString(), 1, productId, LocalDate.now(), 1) | |
entityManager.persist(order1) | |
} |
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