public void Approved_Should_Throw_ArgumentNullException_If_Reviews_Is_Null()
{
IQueryable <ProductReview> reviews = null;
var ex = Assert.Throws <ArgumentNullException>(() => ProductReviewExtensions.Approved(reviews));
Assert.Equal(nameof(reviews), ex.ParamName);
}
public void ByProduct_Should_Throw_ArgumentNullException_If_ProductId_Is_Empty()
{
IQueryable <ProductReview> reviews = new ProductReview[0].AsQueryable();
Guid productId = Guid.Empty;
var ex = Assert.Throws <ArgumentException>(() => ProductReviewExtensions.ByProduct(reviews, productId));
Assert.Equal(nameof(productId), ex.ParamName);
}
public void ByProduct_Should_Throw_ArgumentNullException_If_Reviews_Is_Null()
{
IQueryable <ProductReview> reviews = null;
Guid productId = Guid.NewGuid();
var ex = Assert.Throws <ArgumentNullException>(() => ProductReviewExtensions.ByProduct(reviews, productId));
Assert.Equal(nameof(reviews), ex.ParamName);
}
public void Approved_Should_Return_Only_Approved_Reviews()
{
IQueryable <ProductReview> reviews = new ProductReview[]
{
new ProductReview {
Id = Guid.NewGuid(), Approved = true
},
new ProductReview {
Id = Guid.NewGuid(), Approved = true
},
new ProductReview {
Id = Guid.NewGuid(), Approved = false
}
}.AsQueryable();
var approvedReviews = ProductReviewExtensions.Approved(reviews).ToArray();
Assert.True(approvedReviews.All(r => r.Approved));
}
