public async Task TestGetByIdAsyncIdInvalid()
{
// Arrange
var options = TestUtilities.BuildTestDbOptions();
const int testId = 0;
ClassSession result;
await using (var context = new ApplicationDbContext(options))
{
context.Database.EnsureCreated();
var repository = new ClassSessionRepository(context);
// Act
result =
await repository
.GetByIdAsync(testId);
context.Database.EnsureDeleted();
}
// Assert
Assert.Null(result);
}
public async Task TestAddNonNullEntity()
{
// Arrange
var options = TestUtilities.BuildTestDbOptions();
var testEntity = new ClassSession();
await using (var context = new ApplicationDbContext(options))
{
context.Database.EnsureCreated();
var repository = new ClassSessionRepository(context);
Assert.Empty(context.ClassSession);
// Act
repository.Add(testEntity);
context.SaveChanges();
}
// Assert
await using (var context = new ApplicationDbContext(options))
{
Assert.Single(context.ClassSession);
context.Database.EnsureDeleted();
}
}
public void TestGetEntityEntryEntityNull()
{
// Arrange
var repository =
new ClassSessionRepository(
Mock.Of <ApplicationDbContext>());
// Act
void TestAction() => repository.GetEntityEntry(null);
// Assert
var ex = Assert.Throws <NullReferenceException>(TestAction);
Assert.Equal("Cannot get EntityEntry of a null entity.", ex.Message);
}
public void TestGetEntityEntryEntityValid()
{
// Arrange
var options = TestUtilities.BuildTestDbOptions();
EntityEntry <ClassSession> result;
using (var context = new ApplicationDbContext(options))
{
context.Database.EnsureCreated();
context.ClassSession.Add(
new ClassSession
{
Id = 1
});
context.SaveChanges();
var repository = new ClassSessionRepository(context);
var testEntity =
context
.ClassSession
.FirstOrDefault(
cs => cs.Id == 1);
// Act
result =
repository
.GetEntityEntry(testEntity);
context.Database.EnsureDeleted();
}
// Assert
Assert.NotNull(result);
Assert.IsType <EntityEntry <ClassSession> >(result);
}
