public void IncompleteLineIsWrittenByDispose()
{
var secretTracker = new SecretTracker();
var outputStream = new StringWriter();
using (var secretStream = secretTracker.FilterTextWriter(outputStream))
{
secretStream.WriteLine("FullLine");
secretStream.Write("IncompleteLine");
}
var output = outputStream.GetStringBuilder().ToString();
Assert.AreEqual($"FullLine{Environment.NewLine}IncompleteLine", output);
}
public void NullOrEmptySecretsAreIgnored()
{
var secretTracker = new SecretTracker();
secretTracker.AddSecret(string.Empty);
secretTracker.AddSecret(null);
var outputStream = new StringWriter();
using (var secretStream = secretTracker.FilterTextWriter(outputStream))
{
secretStream.WriteLine("DoesNotFail");
}
var output = outputStream.GetStringBuilder().ToString();
Assert.AreEqual($"DoesNotFail{Environment.NewLine}", output);
}
public void SecretIsDetectedInPartialLineFollowingNewline()
{
var secretTracker = new SecretTracker();
secretTracker.AddSecret("SecretEmbedded");
var outputStream = new StringWriter();
using (var secretStream = secretTracker.FilterTextWriter(outputStream))
{
secretStream.WriteLine("FullLine");
secretStream.Write($"IncompleteLine{Environment.NewLine}WithSecret");
secretStream.WriteLine("EmbeddedInIt");
}
var output = outputStream.GetStringBuilder().ToString();
Assert.AreEqual($"FullLine{Environment.NewLine}IncompleteLine{Environment.NewLine}With{Redacted}InIt{Environment.NewLine}", output);
}
public void SecretsAreReplacedInTextStream()
{
var secretTracker = new SecretTracker();
var outputStream = new StringWriter();
using (var secretStream = secretTracker.FilterTextWriter(outputStream))
{
secretTracker.AddSecret("secret");
secretStream.WriteLine("This is a secret.");
secretTracker.AddSecret("is");
secretStream.WriteLine("This is a secret.");
}
var output = outputStream.GetStringBuilder().ToString();
var expected = $"This is a {Redacted}.{Environment.NewLine}Th{Redacted} {Redacted} a {Redacted}.{Environment.NewLine}";
Assert.AreEqual(expected, output);
}
public void SecretsAreReplacedEvenIfTheyAreOverSmallerWrites()
{
var secretTracker = new SecretTracker();
var outputStream = new StringWriter();
using (var secretStream = secretTracker.FilterTextWriter(outputStream))
{
secretTracker.AddSecret("sIs5429Lon");
// ThisIs5429Longer
secretStream.Write("ThisIs5");
secretStream.Write(42);
secretStream.Write('9');
secretStream.Write('L');
secretStream.WriteLine("onger");
}
var output = outputStream.GetStringBuilder().ToString();
Assert.AreEqual($"Thi{Redacted}ger{Environment.NewLine}", output);
}