public void SecretsAreReplacedInAnOrderThatIsDeterminedBySubstringContainment()
{
var secretTracker1 = new SecretTracker();
secretTracker1.AddSecret("defghijkl");
secretTracker1.AddSecret("abc");
secretTracker1.AddSecret("ghi");
secretTracker1.AddSecret("d");
var redacted1 = secretTracker1.FilterString("abcdefghijklmno abc-def-ghi-jkl-mno");
var secretTracker2 = new SecretTracker();
secretTracker2.AddSecret("a");
secretTracker2.AddSecret("d");
secretTracker2.AddSecret("g");
secretTracker2.AddSecret("ghi");
secretTracker2.AddSecret("abc");
secretTracker2.AddSecret("defghijkl");
var redacted2 = secretTracker2.FilterString("abcdefghijklmno abc-def-ghi-jkl-mno");
var secretTracker3 = new SecretTracker();
secretTracker3.AddSecret("g");
secretTracker3.AddSecret("defghijkl");
secretTracker3.AddSecret("abc");
secretTracker3.AddSecret("d");
secretTracker3.AddSecret("ghi");
secretTracker3.AddSecret("a");
var redacted3 = secretTracker3.FilterString("abcdefghijklmno abc-def-ghi-jkl-mno");
Assert.AreEqual($"{Redacted}{Redacted}mno {Redacted}-{Redacted}ef-{Redacted}-jkl-mno", redacted1);
Assert.AreEqual($"{Redacted}{Redacted}mno {Redacted}-{Redacted}ef-{Redacted}-jkl-mno", redacted2);
Assert.AreEqual($"{Redacted}{Redacted}mno {Redacted}-{Redacted}ef-{Redacted}-jkl-mno", redacted3);
}
public void SecretsAreRemovedFromText()
{
var secretTracker = new SecretTracker();
secretTracker.AddSecret("secret");
var redacted1 = secretTracker.FilterString("This is a secret.");
secretTracker.AddSecret("is");
var redacted2 = secretTracker.FilterString("This is a secret.");
Assert.AreEqual($"This is a {Redacted}.", redacted1);
Assert.AreEqual($"Th{Redacted} {Redacted} a {Redacted}.", redacted2);
}
public void IncompleteLineIsWrittenByDispose()
{
var secretTracker = new SecretTracker();
var outputStream = new StringWriter();
using (var secretStream = secretTracker.FilterTextWriter(outputStream))
{
secretStream.WriteLine("FullLine");
secretStream.Write("IncompleteLine");
}
var output = outputStream.GetStringBuilder().ToString();
Assert.AreEqual($"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);
}
