public void FindByPrimaryKeyAsync_WhenPrimaryKeyIsNull_ThrowsArgumentNullException()
{
var contextRepo = new ContextRepository <IAuditedContext>(It.IsAny <IAuditedContext>(), It.IsAny <ILogger <IAuditedContext> >());
var exception = Assert.ThrowsAsync <ArgumentNullException>(() => contextRepo.FindByPrimaryKeyAsync <object, object>(null));
Assert.AreEqual("Value cannot be null. (Parameter 'primaryKey')", exception.Message);
}
public async Task FindByPrimaryKeyAsync_WhenContextHasNoEntities_ReturnsNull()
{
using (var context = new MemoryContext())
{
var repo = new ContextRepository <MemoryContext>(context, It.IsAny <ILogger <IAuditedContext> >());
var entity = await repo.FindByPrimaryKeyAsync <AuditedEntity, Guid>(It.IsAny <Guid>());
Assert.IsNull(entity);
}
}
public async Task FindByPrimaryKeyAsync_VerifyDbSetFindAsyncIsCalled()
{
var mockContext = new Mock <IAuditedContext>();
var mockDbSet = new Mock <DbSet <object> >();
mockContext.Setup(a => a.Set <object>()).Returns(mockDbSet.Object);
var repository = new ContextRepository <IAuditedContext>(mockContext.Object, It.IsAny <ILogger <IAuditedContext> >());
await repository.FindByPrimaryKeyAsync <object, int>(1);
mockDbSet.Verify(a => a.FindAsync(1), Times.Once);
}
