internal /* testing purposes */ static ConnectionInformation CreateConnectionInformation(ConnectionInfoDialogViewModel viewModel, SecureString password)
{
if (viewModel == null)
{
throw new ArgumentNullException(nameof(viewModel));
}
if (password == null)
{
throw new ArgumentNullException(nameof(password));
}
ConnectionInformation info = null;
Debug.Assert(viewModel.IsValid, "View model should be valid when creating connection information");
if (viewModel.IsValid)
{
Uri serverUri = viewModel.ServerUrl;
string username = viewModel.Username;
info = new ConnectionInformation(serverUri, username, password);
}
return info;
}
internal /*for testing purposes*/ static ConnectionInfoDialogViewModel CreateViewModel(ConnectionInformation currentConnection)
{
var vm = new ConnectionInfoDialogViewModel();
if (currentConnection != null)
{
vm.ServerUrlRaw = currentConnection.ServerUri.AbsoluteUri;
vm.Username = currentConnection.UserName;
}
return vm;
}
public void ConnectDialogViewModel_GetErrorForProperty_ServerUrlRaw_NoValidationErrorWhenPristine()
{
// Test case 1: new model has prestine URL
// Setup
var testSubject1 = new ConnectionInfoDialogViewModel();
// Act
string validationError1 = GetErrorForProperty(testSubject1, nameof(testSubject1.ServerUrlRaw));
// Verify
Assert.IsTrue(testSubject1.IsUrlPristine, "Server URL should be prestine on initial view model construction");
Assert.IsNull(validationError1, "Validation error should be null on initial view model construction");
// Test case 2a: setting raw server url makes it 'dirty' valid URL
// Setup
var testSubject2a = new ConnectionInfoDialogViewModel();
// Act
testSubject2a.ServerUrlRaw = "http://localhost";
string validationError2a = GetErrorForProperty(testSubject2a, nameof(testSubject2a.ServerUrlRaw));
// Verify
Assert.IsFalse(testSubject2a.IsUrlPristine, "Server URL should no longer be prestine once set to a valid URL");
Assert.IsNull(validationError2a, "Validation error should be null for valid URL");
// Test case 2b: setting raw server url makes it 'dirty' invalid URL
// Setup
var testSubject2b = new ConnectionInfoDialogViewModel();
// Act
testSubject2b.ServerUrlRaw = "not-a-valid-url";
string validationError2b = GetErrorForProperty(testSubject2b, nameof(testSubject2b.ServerUrlRaw));
// Verify
Assert.IsFalse(testSubject2b.IsUrlPristine, "Server URL should no longer be prestine once set to an invalid URL");
Assert.IsNotNull(validationError2b, "Validation error should not be null for invalid URL");
// Test case 3: clearing a non-prestine view model should still be non-prestine
// Setup
var testSubject3 = new ConnectionInfoDialogViewModel();
testSubject3.ServerUrlRaw = "blah"; // Makes url field dirty
Assert.IsFalse(testSubject3.IsUrlPristine, "URL should be made dirty before clearing the field"); // Sanity check
// Act
testSubject3.ServerUrlRaw = null; // Clear field
// Verify
Assert.IsFalse(testSubject3.IsUrlPristine, "Server URL should still be non-prestine even after clearing the field");
}
public void ConnectDialogViewModel_ServerUrl_SetOnlyWhenServerUrlRawIsValid()
{
// Setup
var model = new ConnectionInfoDialogViewModel();
// Test:
// Invalid entry does not set ServerUrl
model.ServerUrlRaw = "http:/localhost/";
Assert.IsTrue(model.ServerUrl == null, "ServerUrl should not be set");
// Valid entry updates ServerUrl
model.ServerUrlRaw = "http://localhost/";
Assert.IsFalse(model.ServerUrl == null, "ServerUrl should set");
Assert.AreEqual(new Uri(model.ServerUrlRaw), model.ServerUrl, "Uri property should match raw string property");
}
public void ConnectDialogViewModel_ShowSecurityWarning_InsecureUriScheme_IsTrue()
{
var model = new ConnectionInfoDialogViewModel();
model.ServerUrlRaw = "http://hostname";
Assert.IsTrue(model.ShowSecurityWarning, "Security warning should be visible");
model.ServerUrlRaw = "https://hostname";
Assert.IsFalse(model.ShowSecurityWarning, "Security warning should not be visible");
}
private static string GetErrorForProperty(ConnectionInfoDialogViewModel viewModel, string propertyName)
{
var errors = ((INotifyDataErrorInfo)viewModel).GetErrors(propertyName) as IEnumerable<string>;
return errors?.FirstOrDefault();
}
