public async Task TestThat_GetFormattedDistance_When_DistanceIsValid_Returns_NotNullOrEmptyString()
{
// Arrange
var distanceFormatter = new CoffeeShopDistanceFormatter();
// Act
var formattedDistance = await distanceFormatter.GetFormattedDistance(MockObjects.ShopDistance1);
// Assert
Assert.False(string.IsNullOrEmpty(formattedDistance));
}
public async Task TestThat_GetFormattedDistance_When_DistanceIsValid_Returns_ExpectedFormattedDistance()
{
// Arrange
var distanceFormatter = new CoffeeShopDistanceFormatter();
// Act
var formattedDistance = await distanceFormatter.GetFormattedDistance(MockObjects.ShopDistance1);
// Assert
Assert.Equal(MockObjects.FormattedCoffeeShopDistance1, formattedDistance);
}
public async Task TestThat_GetFormattedDistance_When_DistanceIsNull_Throws_ArgumentNullException()
{
// Arrange
var distanceFormatter = new CoffeeShopDistanceFormatter();
// Act
async Task Act() => await distanceFormatter.GetFormattedDistance(MockObjects.NullShopDistance);
// Assert
await Assert.ThrowsAnyAsync <ArgumentNullException>(Act);
}