public async Task Execute_WithNonExistingId_ReturnsNull()
{
//Arrange
var id = 99;
_articlesRepositoryMock.Setup(r => r.GetArticleByIdAsync(id)).Returns(Task.FromResult <Article>(null));
var readMapper = new Mapper(new MapperConfiguration(cfg => cfg.AddProfile <Helpers.AutoMapperProfiles>()));
var getArticleQuery = new GetArticleQuery(_articlesRepositoryMock.Object, readMapper);
//Act
var result = await getArticleQuery.Execute(id);
//Assert
_articlesRepositoryMock.Verify(m => m.GetArticleByIdAsync(It.IsAny <int>()), Times.Once);
Assert.That(result, Is.Null);
}
public async Task Execute_WithExistingId_ReturnsCorrectArticleDto()
{
//Arrange
var id = 1;
_articlesRepositoryMock.Setup(r => r.GetArticleByIdAsync(id)).Returns(Task.FromResult(_testArticles.First()));
var readMapper = new Mapper(new MapperConfiguration(cfg => cfg.AddProfile <Helpers.AutoMapperProfiles>()));
var getArticleQuery = new GetArticleQuery(_articlesRepositoryMock.Object, readMapper);
//Act
var result = await getArticleQuery.Execute(id);
//Assert
_articlesRepositoryMock.Verify(m => m.GetArticleByIdAsync(It.IsAny <int>()), Times.Once);
Assert.That(result, Is.Not.Null);
Assert.That(result.GetType(), Is.EqualTo(typeof(ArticleDto)));
Assert.That(result.Name1, Is.EqualTo(_testArticles.First().Name1));
}