public string AnalyzeSentiment()
{
var statementSentimentCount = new Dictionary <string, int>();
ReportHelper.InitializeSentimentCounters(statementSentimentCount);
var statements = File.ReadAllLines(_file);
foreach (var statement in statements)
{
var isNegative = _negativeSentimentAnalyser.IsWordSentiment(statement);
var isPositive = _positiveSentimentAnalyser.IsWordSentiment(statement);
if (isNegative == isPositive && isNegative)
{
statementSentimentCount[Constants.NegativeSentimentLabel]++;
statementSentimentCount[Constants.PositiveSentimentLabel]++;
}
else if (isNegative)
{
statementSentimentCount[Constants.NegativeSentimentLabel]++;
}
else if (isPositive)
{
statementSentimentCount[Constants.PositiveSentimentLabel]++;
}
}
var finalSentiment = determineSentiment(statementSentimentCount);
return(finalSentiment);
}
public void TestQuestionMarks()
{
var words = new Dictionary <string, int>();
words.Add("\\?", 2);
_negativeSentimentAnalyser = new NegativeSentimentAnalyser(words);
var text = "A similar aspect can be applied to the matter at hand? Under which circumstances?";
Assert.IsTrue(_negativeSentimentAnalyser.IsWordSentiment(text));
}
public void TestSad()
{
var words = new Dictionary <string, int>();
words.Add("Sadly", 1);
_negativeSentimentAnalyser = new NegativeSentimentAnalyser(words);
var text = "In essence, the ad was sadly misleading.";
Assert.IsTrue(_negativeSentimentAnalyser.IsWordSentiment(text));
}
public void TestComplain()
{
var words = new Dictionary <string, int>();
words.Add("COMPLAIN", 1);
_negativeSentimentAnalyser = new NegativeSentimentAnalyser(words);
var text = "In essence, the complainant unhappily submitted that the advertisement is misleading.";
Assert.IsTrue(_negativeSentimentAnalyser.IsWordSentiment(text));
}
public void TestNegativeHappy()
{
var words = new Dictionary <string, int>();
words.Add("complain", 1);
_positiveSentimentAnalyser = new PositiveSentimentAnalyser(words);
var text = "In essence, the ad was sadly misleading.";
Assert.IsFalse(_positiveSentimentAnalyser.IsWordSentiment(text));
}
public void TestHappy()
{
var words = new Dictionary <string, int>();
words.Add("happy", 1);
_positiveSentimentAnalyser = new PositiveSentimentAnalyser(words);
var text =
"The ASA Directorate was happy to considered the relevant documentation submitted by the respective parties.";
Assert.IsTrue(_positiveSentimentAnalyser.IsWordSentiment(text));
}
public void TestComplaintViaEmail()
{
var words = new Dictionary <string, int>();
words.Add("complain", 1);
_negativeSentimentAnalyser = new NegativeSentimentAnalyser(words);
var text =
"The respondent provided his email address [email protected] that Ms Watkins could use to send any complaints to.";
Assert.IsTrue(_negativeSentimentAnalyser.IsWordSentiment(text));
}
public void TestExclamationPoint()
{
var words = new Dictionary <string, int>();
words.Add("\\!", 1);
_positiveSentimentAnalyser = new PositiveSentimentAnalyser(words);
var text =
"Unilever lodged a competitor complaint against the respondent’s packaging of its Royco soup!";
Assert.IsTrue(_positiveSentimentAnalyser.IsWordSentiment(text));
}
