public void AddErrorLabels_should_not_add_duplicates()
{
var subject = new MongoException(_message);
subject.AddErrorLabel("one");
subject.AddErrorLabel("one");
subject.ErrorLabels.Should().HaveCount(1);
}
public void AddErrorLabels_should_have_expected_result(
[Values(0, 1, 2, 3)] int existingCount)
{
var subject = new MongoException(_message);
for (var i = 0; i < existingCount; i++)
{
var errorLabel = $"label{i}";
subject.AddErrorLabel(errorLabel);
}
var existingErrorLabels = new List<string>(subject.ErrorLabels);
var newErrorLabel = "x";
subject.AddErrorLabel(newErrorLabel);
subject.ErrorLabels.Should().Equal(existingErrorLabels.Concat(new[] { newErrorLabel }));
}
public void ErrorLabels_should_return_expected_result(string[] errorLabels)
{
var subject = new MongoException(_message);
foreach (var errorLabel in errorLabels)
{
subject.AddErrorLabel(errorLabel);
}
var result = subject.ErrorLabels;
result.Should().Equal(errorLabels);
}
public void RemoveErrorLabels_should_have_expected_result(string[] errorLabels, string removeErrorLabel)
{
var subject = new MongoException(_message);
foreach (var errorLabel in errorLabels)
{
subject.AddErrorLabel(errorLabel);
}
subject.RemoveErrorLabel(removeErrorLabel);
subject.ErrorLabels.Should().Equal(errorLabels.Where(x => x != removeErrorLabel));
}
public void HasErrorLabel_should_have_expected_result(
[Values(0, 1, 2, 3)] int existingCount)
{
var subject = new MongoException(_message);
for (var i = 0; i < existingCount; i++)
{
var errorLabel = $"label{i}";
subject.AddErrorLabel(errorLabel);
}
foreach (var errorLabel in subject.ErrorLabels)
{
subject.HasErrorLabel(errorLabel).Should().BeTrue();
}
subject.HasErrorLabel("x").Should().BeFalse();
}
public void Serialization_should_work()
{
var subject = new MongoException(_message, _innerException);
subject.AddErrorLabel("one");
var formatter = new BinaryFormatter();
using (var stream = new MemoryStream())
{
formatter.Serialize(stream, subject);
stream.Position = 0;
var rehydrated = (MongoException)formatter.Deserialize(stream);
rehydrated.Message.Should().Be(subject.Message);
rehydrated.InnerException.Message.Should().Be(subject.InnerException.Message); // Exception does not override Equals
rehydrated.ErrorLabels.Should().Equal(subject.ErrorLabels);
}
}
