public void ThrowArgumentNullException_WhenPassedIdIsNull(string id)
{
// Arrange
var contextMock = new Mock <ITravelGuideContext>();
var factoryMock = new Mock <IArticleFactory>();
var commentFactoryMock = new Mock <IArticleCommentFactory>();
var service = new ArticleService(contextMock.Object, factoryMock.Object, commentFactoryMock.Object);
// Act & Assert
Assert.Throws <ArgumentNullException>(() => service.DeleteComment(id));
}
public void ThrowInvalidOperationException_WhenNoSuchCommentIsFound()
{
// Arrange
var contextMock = new Mock <ITravelGuideContext>();
var factoryMock = new Mock <IArticleFactory>();
var commentFactoryMock = new Mock <IArticleCommentFactory>();
contextMock.Setup(x => x.Comments.Find(It.IsAny <Guid>())).Returns((ArticleComment)null);
var service = new ArticleService(contextMock.Object, factoryMock.Object, commentFactoryMock.Object);
// Act & Assert
Assert.Throws <InvalidOperationException>(() => service.DeleteComment(Guid.NewGuid().ToString()));
}
public void CallRemoveMethod_WhenPassedValidParams()
{
// Arrange
var contextMock = new Mock <ITravelGuideContext>();
var factoryMock = new Mock <IArticleFactory>();
var commentFactoryMock = new Mock <IArticleCommentFactory>();
var comment = new ArticleComment();
contextMock.Setup(x => x.Comments.Find(It.IsAny <Guid>())).Returns(comment);
var service = new ArticleService(contextMock.Object, factoryMock.Object, commentFactoryMock.Object);
// Act
service.DeleteComment(Guid.NewGuid().ToString());
// Assert
contextMock.Verify(x => x.Comments.Remove(comment), Times.Once);
}