/
cart_test.go
130 lines (110 loc) · 3.52 KB
/
cart_test.go
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package main
import (
"testing"
"github.com/stretchr/testify/require"
)
func Test_getEmptyCart(t *testing.T) {
// Arrange
expectedClientId := "00001"
// Act
cart := getEmptyCart(expectedClientId)
// Assert
require.Equal(t, expectedClientId, cart.ClientId)
require.Empty(t, cart.CartItems)
}
func Test_getCart(t *testing.T) {
// Arrange
expectedClientId := "00001"
expectedProductId := "00002"
expectedQuantity := 2
// Act
cart := getCart(
expectedClientId,
expectedProductId,
expectedQuantity,
)
// Assert
require.Equal(t, expectedClientId, cart.ClientId)
require.Equal(t, expectedProductId, cart.CartItems[0].ProductId)
require.Equal(t, expectedQuantity, cart.CartItems[0].Quantity)
}
func Test_getCartFormSample(t *testing.T) {
// Arrange
expectedClientId := "00001"
expectedProductId := "00002"
quantity := 2
expectedQuantity := "2"
cart := getCart(
expectedClientId,
expectedProductId,
quantity,
)
// Act
cartSample := getCartFormSample(cart)
// Assert
require.Equal(t, expectedClientId, cartSample.Get("userId"))
require.Equal(t, expectedProductId, cartSample.Get("productId"))
require.Equal(t, expectedQuantity, cartSample.Get("quantity"))
}
func Test_addCartItemToCart(t *testing.T) {
// Arrange
expectedClientId := "0000001"
expectedCartItemOne := CartItem{"00001", 1}
expectedCartItemTwo := CartItem{"00002", 4}
var expectedCartItems []CartItem
expectedCartItems = append(expectedCartItems, expectedCartItemTwo)
expectedCartItems = append(expectedCartItems, expectedCartItemOne)
expectedCart := Cart{
expectedClientId,
expectedCartItems,
}
cart := getEmptyCart(expectedClientId)
// Act
cart = addCartItemToCart(cart, CartItem{"00002", 1})
cart = addCartItemToCart(cart, CartItem{"00001", 1})
cart = addCartItemToCart(cart, CartItem{"00002", 3})
// Assert
require.Equal(t, expectedCart, cart)
}
func Test_addCartItemToCart_MultipleTimes(t *testing.T) {
// Arrange
clientId := "0000001"
firstProductId := "0000001"
firstProductQuantity := 8
secondProductId := "0000003"
secondProductQuantity := 2
expectedNumOfProducts := 2
cart := getEmptyCart(clientId)
// Act
cart = addCartItemToCart(cart, CartItem{firstProductId, 2})
cart = addCartItemToCart(cart, CartItem{firstProductId, 4})
cart = addCartItemToCart(cart, CartItem{secondProductId, 2})
cart = addCartItemToCart(cart, CartItem{firstProductId, 2})
// Assert
require.Equal(t, clientId, cart.ClientId)
require.Equal(t, firstProductId, cart.CartItems[0].ProductId)
require.Equal(t, firstProductQuantity, cart.CartItems[0].Quantity)
require.Equal(t, secondProductId, cart.CartItems[1].ProductId)
require.Equal(t, secondProductQuantity, cart.CartItems[1].Quantity)
require.Equal(t, expectedNumOfProducts, len(cart.CartItems))
}
func Test_addCartItemVariablesToCart_AddAndSub(t *testing.T) {
// Arrange
clientId := "0000001"
firstProductId := "0000001"
firstProductQuantity := 4
secondProductId := "0000003"
expectedNumOfProducts := 1
cart := getEmptyCart(clientId)
// Act
cart = addCartItemToCart(cart, CartItem{firstProductId, 2})
cart = addCartItemToCart(cart, CartItem{firstProductId, 4})
cart = addCartItemToCart(cart, CartItem{secondProductId, 2})
cart = addCartItemToCart(cart, CartItem{secondProductId, -2})
cart = addCartItemToCart(cart, CartItem{firstProductId, -2})
// Assert
require.Equal(t, clientId, cart.ClientId)
require.Equal(t, firstProductId, cart.CartItems[0].ProductId)
require.Equal(t, firstProductQuantity, cart.CartItems[0].Quantity)
require.Equal(t, expectedNumOfProducts, len(cart.CartItems))
}