public void ReplacesMultipleSecrets()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("bcd");
secretMasker.AddValue("fgh");
var input = "abcdefghi";
var result = secretMasker.MaskSecrets(input);
Assert.Equal("a********e********i", result);
}
public void ReplacesOverlappingSecrets()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("def");
secretMasker.AddValue("bcd");
var input = "abcdefg";
var result = secretMasker.MaskSecrets(input);
// a naive replacement would replace "def" first, and never find "bcd", resulting in "abc********g"
// or it would replace "bcd" first, and never find "def", resulting in "a********efg"
Assert.Equal("a********g", result);
}
public void ReplacesMultipleAdjacentInstances()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("abc");
var input = "abcabcdef";
var result = secretMasker.MaskSecrets(input);
Assert.Equal("********def", result);
}
public void ReplacesMultipleInstances()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("def");
var input = "abcdefgdef";
var result = secretMasker.MaskSecrets(input);
Assert.Equal("abc********g********", result);
}
public void ReplacesValue()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("def");
var input = "abcdefg";
var result = secretMasker.MaskSecrets(input);
Assert.Equal("abc********g", result);
}
public void HandlesUrlEscapedInput()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("b c");
var result = secretMasker.MaskSecrets("ab%20cd");
Assert.Equal("a********d", result);
}
public void HandlesJsonEscapedInput()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue(@"b\c");
var result = secretMasker.MaskSecrets(@"ab\\cd");
Assert.Equal("a********d", result);
}
public void HandlesEmptyInput()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("abcd");
var result = secretMasker.MaskSecrets(null);
Assert.Equal(string.Empty, result);
result = secretMasker.MaskSecrets(string.Empty);
Assert.Equal(string.Empty, result);
}
public void ReplacesMultipleAdjacentInstances()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("abc");
var input = "abcabcdef";
var result = secretMasker.MaskSecrets(input);
Assert.Equal("********def", result);
}
public void ReplacesMultipleInstances()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("def");
var input = "abcdefgdef";
var result = secretMasker.MaskSecrets(input);
Assert.Equal("abc********g********", result);
}
public void ReplacesValue()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("def");
var input = "abcdefg";
var result = secretMasker.MaskSecrets(input);
Assert.Equal("abc********g", result);
}
public void HandlesEmptyInput()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("abcd");
var result = secretMasker.MaskSecrets(null);
Assert.Equal(string.Empty, result);
result = secretMasker.MaskSecrets(string.Empty);
Assert.Equal(string.Empty, result);
}
public void ReplacesOverlappingSecrets()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("def");
secretMasker.AddValue("bcd");
var input = "abcdefg";
var result = secretMasker.MaskSecrets(input);
// a naive replacement would replace "def" first, and never find "bcd", resulting in "abc********g"
// or it would replace "bcd" first, and never find "def", resulting in "a********efg"
Assert.Equal("a********g", result);
}
public void ReplacesAdjacentSecrets()
{
var secretMasker = new SecretMasker();
secretMasker.AddValue("efg");
secretMasker.AddValue("bcd");
var input = "abcdefgh";
var result = secretMasker.MaskSecrets(input);
// two adjacent secrets are basically one big secret
Assert.Equal("a********h", result);
}