public void DeleteTransactionDeletesTransaction()
{
int accountIdForTest = 1;
//Arrange:
// Instantiate TransactionsController so its methods can be called
// Create a new transaction to be deleted, and get its transaction ID
var transactionController = new TransactionsController();
var transaction = new TransactionModel
{
AccountId = accountIdForTest,
Amount = 3451.87M,
TransactionDate = DateTime.Now
};
IHttpActionResult result =
transactionController.PostTransaction(transaction);
CreatedAtRouteNegotiatedContentResult<TransactionModel> contentResult =
(CreatedAtRouteNegotiatedContentResult<TransactionModel>)result;
int transactionIdToDelete = contentResult.Content.TransactionId;
//Act: Call DeleteTransaction
result = transactionController.DeleteTransaction(transactionIdToDelete);
//Assert:
// Verify that HTTP result is OK
// Verify that reading deleted transaction returns result not found
Assert.IsInstanceOfType(result,
typeof(OkNegotiatedContentResult<Transaction>));
result = transactionController.GetTransaction(transactionIdToDelete);
Assert.IsInstanceOfType(result, typeof(NotFoundResult));
}
[TestMethod] //{4}
public void PutTransactionUpdateTransaction()
{
IHttpActionResult result;
CreatedAtRouteNegotiatedContentResult<TransactionModel> contentResult;
OkNegotiatedContentResult<TransactionModel> transactionResult;
//Arrange
using (var transactionsController = new TransactionsController())
{
var tsModel = new TransactionModel
{
Amount = 123,
};
result = transactionsController.PostTransaction(tsModel);
//Cast result as Content Result so that I can gather information from ContentResult
contentResult = (CreatedAtRouteNegotiatedContentResult<TransactionModel>)result;
}
using (var secondTransactionsController = new TransactionsController())
{
//Result contains the customer I had JUST createad
result = secondTransactionsController.GetTransaction(1);
Assert.IsNotInstanceOfType(result, typeof(NotFoundResult));
Assert.IsInstanceOfType(result, typeof(OkNegotiatedContentResult<TransactionModel>));
//Get transactionModel from 'result'
transactionResult = (OkNegotiatedContentResult<TransactionModel>)result;
}
using (var thirdTransactionsController = new TransactionsController())
{
var modifiedContent = transactionResult.Content;
modifiedContent.Amount += 5;
//Act
result = thirdTransactionsController.PutTransaction(transactionResult.Content.TransactionId, modifiedContent);
//Assert
Assert.IsInstanceOfType(result, typeof(StatusCodeResult));
}
}
public IHttpActionResult GetTransaction(int id)
{
// Find Transaction object corresponding to transaction ID
Transaction dbTransaction = db.Transactions.Find(id);
if (dbTransaction == null)
{
return NotFound();
}
// Populate new TransactionModel object from Transaction object
TransactionModel modelTransaction = new TransactionModel
{
AccountId = dbTransaction.AccountId,
Amount = dbTransaction.Amount,
TransactionDate = dbTransaction.TransactionDate,
TransactionId = dbTransaction.TransactionId
};
return Ok(modelTransaction);
}
public void PostTransactionCreatesTransaction()
{
int accountIdForTest = 1;
//Arrange: Instantiate TransactionsController so its methods can be called
var transactionController = new TransactionsController();
//Act:
// Create a TransactionModel object populated with test data,
// and call PostTransaction
var newTransaction = new TransactionModel
{
AccountId = accountIdForTest,
Amount = -555M,
TransactionDate = DateTime.Now
};
IHttpActionResult result = transactionController.PostTransaction(newTransaction);
//Assert:
// Verify that the HTTP result is CreatedAtRouteNegotiatedContentResult
// Verify that the HTTP result body contains a nonzero transaction ID
Assert.IsInstanceOfType
(result, typeof(CreatedAtRouteNegotiatedContentResult<TransactionModel>));
CreatedAtRouteNegotiatedContentResult<TransactionModel> contentResult =
(CreatedAtRouteNegotiatedContentResult<TransactionModel>)result;
Assert.IsTrue(contentResult.Content.TransactionId != 0);
// Delete the test transaction
result = transactionController.DeleteTransaction(contentResult.Content.TransactionId);
}
public IHttpActionResult PostTransaction(TransactionModel transaction)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
// Set up new Transactio object,
// and populate it with the values from
// the input TransactionModel object
Transaction dbTransaction = new Transaction();
dbTransaction.Update(transaction);
// Add the new Transaction object to the list of Transaction objects
db.Transactions.Add(dbTransaction);
try
{
db.SaveChanges();
}
catch (Exception)
{
throw new Exception("Unable to add the transaction to the database.");
}
// Update the TransactionModel object with the new transaction ID
// that was placed in the Transaction object after the changes
// were saved to the DB
transaction.TransactionId = dbTransaction.TransactionId;
return CreatedAtRoute("DefaultApi", new { id = dbTransaction.TransactionId }, transaction);
}
public IHttpActionResult PutTransaction(int id, TransactionModel transaction)
{
// Validate the request
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != transaction.TransactionId)
{
return BadRequest();
}
if (!TransactionExists(id))
{
return BadRequest();
}
// Get the transaction record corresponding to the transaction ID, then
// update its properties to the values in the input TransactionModel object,,
// and then set an indicator that the record has been modified
var dbTransaction = db.Transactions.Find(id);
dbTransaction.Update(transaction);
db.Entry(dbTransaction).State = EntityState.Modified;
// Perform update by saving changes to DB
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!TransactionExists(id))
{
return NotFound();
}
else
{
throw new Exception("Unable to update the transaction in the database.");
}
}
return StatusCode(HttpStatusCode.NoContent);
}
[TestMethod] //{6}
public void DeleteTransactionDeleteTransaction()
{
//Arrange
//Create Controller
var transactionsController = new TransactionsController();
//Create a customer to be deleted
var dbTransactions = new TransactionModel
{
Amount = 21323,
};
//Add 'new customer' to the DB using a POST
//Save returned value as RESULT
IHttpActionResult result = transactionsController.PostTransaction(dbTransactions);
//Cast result as Content Result so that I can gather information from ContentResult
CreatedAtRouteNegotiatedContentResult<TransactionModel> contentResult = (CreatedAtRouteNegotiatedContentResult<TransactionModel>)result;
//Result contains the customer I had JUST created
result = transactionsController.GetTransaction(1);
//Get CustomerModel from 'result'
OkNegotiatedContentResult<TransactionModel> customerResult = (OkNegotiatedContentResult<TransactionModel>)result;
//Act
//The result of the Delete Request
IHttpActionResult second = transactionsController.DeleteTransaction(1);
//Assert
//If action returns: NotFound()
Assert.IsNotInstanceOfType(second, typeof(NotFoundResult));
Assert.IsInstanceOfType(second, typeof(OkNegotiatedContentResult<TransactionModel>));
}
[TestMethod] // {5}
public void PostTransactionCreateTransactions()
{
//Arrange
var transactionsController = new TransactionsController();
//Act
var newTransaction = new TransactionModel
{
Amount = 12,
};
IHttpActionResult result = transactionsController.PostTransaction(newTransaction);
//Assert
//If not 'true' Assert False
Assert.IsInstanceOfType(result, typeof(CreatedAtRouteNegotiatedContentResult<TransactionModel>));
//Cast
CreatedAtRouteNegotiatedContentResult<TransactionModel> contentResult = (CreatedAtRouteNegotiatedContentResult<TransactionModel>)result;
//Check if Customer is posted to the database
//Check to see if Customer ID is NOT equal to zero. If Customer Id us equal to zero,
//then customer was NOT added to Database
Assert.IsTrue(contentResult.Content.AccountId!= 0);
}
