public void ThrowsExceptionWhenBudgetWithMismatchedUserIds()
{
// Arrange.
this.budget.UserId = 1;
this.userId = 2;
// Act.
Exception caughtException = null;
try
{
using (CheckbookContext context = new CheckbookContext(this.dbContextOptions))
{
BudgetsRepository repository = new BudgetsRepository(context);
repository.Save(this.budget, this.userId);
}
}
catch (Exception ex)
{
caughtException = ex;
}
// Assert.
Assert.IsNotNull(caughtException, "An exception should be thrown.");
Assert.IsInstanceOfType(caughtException, typeof(ArgumentException), "This should be an argument exception.");
string exceptionMessage = "A user ID is expected to match the passed in user ID for a budget.\r\nParameter name: budget.UserId";
Assert.AreEqual(exceptionMessage, caughtException.Message, "The exception message should be correct.");
}
public void UpdatesBudgetInTheContext()
{
// Act.
using (CheckbookContext context = new CheckbookContext(this.dbContextOptions))
{
BudgetsRepository repository = new BudgetsRepository(context);
repository.Save(this.budget, this.userId);
}
// Assert.
using (CheckbookContext context = new CheckbookContext(this.dbContextOptions))
{
int expectedBudgetCount = 5;
Assert.AreEqual(expectedBudgetCount, context.Budgets.Count(), "The number of budgets should not change.");
Budget actual = ContextDataService.GetBudgetsSet(context)
.FirstOrDefault(x => x.Id == this.budget.Id);
Assert.IsNotNull(actual, "A budget should be found.");
Budget expected = this.budget;
Assert.AreEqual(expected.Id, actual.Id, "The ID for the entity should match.");
Assert.AreEqual(expected.Name, actual.Name, "The name for the entity should match.");
Assert.AreEqual(expected.UserId, actual.UserId, "The user ID for the entity should match.");
}
}
public void ThrowsExceptionWhenIdZero()
{
// Arrange.
this.budget.Id = 0;
// Act.
Exception caughtException = null;
try
{
using (CheckbookContext context = new CheckbookContext(this.dbContextOptions))
{
BudgetsRepository repository = new BudgetsRepository(context);
repository.Save(this.budget, this.userId);
}
}
catch (Exception ex)
{
caughtException = ex;
}
// Assert.
Assert.IsNotNull(caughtException, "An exception should be thrown.");
Assert.IsInstanceOfType(caughtException, typeof(ArgumentException), "This should be an argument exception.");
string exceptionMessage = "A budget with a specified ID should have been used. To add a budget, use the Add method.\r\nParameter name: budget.Id";
Assert.AreEqual(exceptionMessage, caughtException.Message, "The exception message should be correct.");
}
public void ReturnsBudgetFromContext()
{
// Act.
Budget actual;
using (CheckbookContext context = new CheckbookContext(this.dbContextOptions))
{
BudgetsRepository repository = new BudgetsRepository(context);
actual = repository.Save(this.budget, this.userId);
}
// Assert.
Assert.AreEqual(this.budget.Id, actual.Id, "The ID for the entity should match.");
}