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support for newline characters #33

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46 changes: 46 additions & 0 deletions ProfanityFilter.Tests.Unit/ProfanityTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -390,6 +390,52 @@ public void CensoredStringReturnsStringWithProfanitiesBleepedOut4()
Assert.AreEqual(censored, result);
}

[TestMethod]
public void CensoredStringReturnsStringWithProfanitiesBleepedOutMultiLine()
{
var filter = new ProfanityFilter();
filter.AllowList.Add("scunthorpe");
filter.AllowList.Add("penistone");

var censored = filter.CensorString("I fucking live in Scunthorpe and it is a shit place to live. I would much rather live in penistone you great big\ncock\r\nfuck.", '*');
var result = "I ******* live in Scunthorpe and it is a **** place to live. I would much rather live in penistone you great big\n****\r\n****.";

Assert.AreEqual(censored, result);
}

[TestMethod]
public void CensoredStringReturnsStringWithProfanitiesBleepedOutMultiLine2()
{
var filter = new ProfanityFilter();

var censored = filter.CensorString("2 girls 1 cup, is my favourite twatting\ntwat\r\n video.");
var result = "* ***** * ***, is my favourite ********\n****\r\n video.";

Assert.AreEqual(censored, result);
}

[TestMethod]
public void CensoredStringReturnsStringWithProfanitiesBleepedOutMultiLine3()
{
var filter = new ProfanityFilter();

var censored = filter.CensorString("Mary had a\r\n little shit lamb who was a little \r\nfucker\r\n.");
var result = "Mary had a\r\n little **** lamb who was a little \r\n******\r\n.";

Assert.AreEqual(censored, result);
}

[TestMethod]
public void CensoredStringReturnsStringWithProfanitiesBleepedOutMultiLine4()
{
var filter = new ProfanityFilter();

var censored = filter.CensorString("You are a \nstupid little twat\n, and you like to blow your load in an alaskan\r\npipeline.");
var result = "You are a \n****** little ****\n, and you like to **** **** **** in an alaskan\r\npipeline.";

Assert.AreEqual(censored, result);
}


[TestMethod]
public void CensoredStringReturnsStringWithSingleScunthorpe()
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10 changes: 6 additions & 4 deletions ProfanityFilter/ProfanityFilter/ProfanityFilter.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -121,7 +121,8 @@ public ReadOnlyCollection<string> DetectAllProfanities(string sentence, bool rem
sentence = sentence.Replace(".", "");
sentence = sentence.Replace(",", "");

var words = sentence.Split(' ');
// Split the string on spaces and newlines
var words = sentence.Split(new[] { ' ', '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
var postAllowList = FilterWordListByAllowList(words);
List<string> swearList = new List<string>();

Expand Down Expand Up @@ -180,7 +181,8 @@ public string CensorString(string sentence, char censorCharacter, bool ignoreNum

noPunctuation = Regex.Replace(noPunctuation, @"[^\w\s]", "");

var words = noPunctuation.Split(' ');
// Split the string on spaces and newlines
var words = noPunctuation.Split(new[] { ' ', '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);

var postAllowList = FilterWordListByAllowList(words);
var swearList = new List<string>();
Expand Down Expand Up @@ -225,7 +227,7 @@ public string CensorString(string sentence, char censorCharacter, bool ignoreNum
// Work backwards in string to get to the start of the word.
while (startIndex > 0)
{
if (toCheck[startIndex - 1] == ' ' || char.IsPunctuation(toCheck[startIndex - 1]))
if (toCheck[startIndex - 1] == ' ' || toCheck[startIndex - 1] == '\n' || toCheck[startIndex - 1] == '\r' || char.IsPunctuation(toCheck[startIndex - 1]))
{
break;
}
Expand All @@ -236,7 +238,7 @@ public string CensorString(string sentence, char censorCharacter, bool ignoreNum
// Work forwards to get to the end of the word.
while (endIndex < toCheck.Length)
{
if (toCheck[endIndex] == ' ' || char.IsPunctuation(toCheck[endIndex]))
if (toCheck[endIndex] == ' ' || toCheck[endIndex] == '\n' || toCheck[endIndex] == '\r' || char.IsPunctuation(toCheck[endIndex]))
{
break;
}
Expand Down