public void Load_DbDoesNotContainsNode_ReturnsNull()
{
// Arrange
var treeContext = new CachedTreeContext();
var dbTreeRepository = Substitute.For <IDbTreeRepository>();
var cachedTreeRepository = new CachedTreeRepository(treeContext, dbTreeRepository);
// Act
TreeNode treeNode = cachedTreeRepository.Load(Guid.NewGuid());
// Assert
Assert.That(treeNode, Is.Null);
}
public void Load_CacheDoesNotContainNode_NodeAddsToContext()
{
// Arrange
var expectedNode = new TreeNode
{
Id = Guid.NewGuid()
};
var treeContext = new CachedTreeContext();
var dbTreeRepository = Substitute.For <IDbTreeRepository>();
dbTreeRepository.GetById(expectedNode.Id).Returns(expectedNode);
var cachedTreeRepository = new CachedTreeRepository(treeContext, dbTreeRepository);
// Act
cachedTreeRepository.Load(expectedNode.Id);
// Assert
Assert.That(treeContext.Tree, Contains.Key(expectedNode.Id));
}
public void Load_DeletedNode_ReturnsNull()
{
// Arrange
var expectedNode = new TreeNode
{
Id = Guid.NewGuid(),
IsDeleted = true
};
var treeContext = new CachedTreeContext();
var dbTreeRepository = Substitute.For <IDbTreeRepository>();
dbTreeRepository.GetById(expectedNode.Id).Returns(expectedNode);
var cachedTreeRepository = new CachedTreeRepository(treeContext, dbTreeRepository);
// Act
TreeNode treeNode = cachedTreeRepository.Load(expectedNode.Id);
// Assert
Assert.That(treeNode, Is.Null);
}
public void Load_CacheDoesNotContainNode_ReturnsNodeWithRepositoryCall()
{
// Arrange
var expectedNode = new TreeNode
{
Id = Guid.NewGuid()
};
var treeContext = new CachedTreeContext();
var dbTreeRepository = Substitute.For <IDbTreeRepository>();
dbTreeRepository.GetById(expectedNode.Id).Returns(expectedNode);
var cachedTreeRepository = new CachedTreeRepository(treeContext, dbTreeRepository);
// Act
TreeNode node = cachedTreeRepository.Load(expectedNode.Id);
// Assert
Assert.That(node.Id, Is.EqualTo(expectedNode.Id));
dbTreeRepository.Received().GetById(node.Id);
}