public void Parse_MultiLine_ValueVariable()
{
var questions = new string[]
{
"pi = 3.14",
"2 * pi"
};
string[] answers = QuestionParser.Parse(questions);
Assert.AreEqual("6.28", answers[1]);
}
public void Parse_MultiLine_LineVariable()
{
var questions = new string[]
{
"3 + 7",
"line1 * 2"
};
string[] answers = QuestionParser.Parse(questions);
Assert.AreEqual("10", answers[0]);
Assert.AreEqual("20", answers[1]);
}
public void Parse_MultiLine_MultiValueVariables()
{
var questions = new string[]
{
"pi = 3.14",
"pi2 = 2 * pi",
"pi + pi2"
};
string[] answers = QuestionParser.Parse(questions);
Assert.AreEqual("9.42", answers[2]);
}
/// <summary>
/// Initializes a new instance of the <see cref="DependencyRegistry" /> class.
/// </summary>
public DependencyRegistry()
{
string[] questionLines = Resource1.code_challenge_question_dump.Split('\n').Skip(1).Select(x => x.Trim()).Where(x => !string.IsNullOrWhiteSpace(x)).ToArray();
Question[] questionsToLoad = QuestionParser.Parse(questionLines);
InMemoryQuestionRepository questionRepository = new InMemoryQuestionRepository();
foreach (Question question in questionsToLoad)
{
questionRepository.Insert(question);
}
For <IQuestionRepository>().Singleton().Use(questionRepository);
}
public void Parse_PercentOff()
{
var questions = new string[]
{
"25% off $100",
"30% off 50",
"12.5% off 25.5"
};
string[] answers = QuestionParser.Parse(questions);
Assert.AreEqual((100 - (100 * 25 / 100)).ToString(), answers[0]);
Assert.AreEqual((50 - (50 * 30 / 100)).ToString(), answers[1]);
Assert.AreEqual((25.5 - (25.5 * 12.5 / 100)).ToString(), answers[2]);
}
public void Test_multiple_lines()
{
string[] lines = new string[]
{
"What is 1754 - 3936?|-2182|3176, 6529, 6903",
"What is 7269 * 2771?|20142399|874",
};
Question[] questions = QuestionParser.Parse(lines);
Assert.AreEqual(2, questions.Length);
Assert.AreEqual("What is 7269 * 2771?", questions[1].Text);
Assert.AreEqual("20142399", questions[1].Answer);
Assert.AreEqual(1, questions[1].Distractors.Length);
Assert.AreEqual("874", questions[1].Distractors[0]);
}
public void Test_single_line()
{
string[] lines = new string[]
{
"What is 1754 - 3936?|-2182|3176, 6529, 6903"
};
Question[] questions = QuestionParser.Parse(lines);
Assert.AreEqual(1, questions.Length);
Assert.AreEqual("What is 1754 - 3936?", questions[0].Text);
Assert.AreEqual("-2182", questions[0].Answer);
Assert.AreEqual(3, questions[0].Distractors.Length);
Assert.AreEqual("3176", questions[0].Distractors[0]);
Assert.AreEqual("6529", questions[0].Distractors[1]);
Assert.AreEqual("6903", questions[0].Distractors[2]);
}
public void Test_blank_distractors_throws_exception()
{
string[] lines = new string[]
{
"What is 7269 * 2771?|20142399|",
};
try
{
Question[] questions = QuestionParser.Parse(lines);
Assert.Fail();
}
catch (Exception e)
{
Assert.AreEqual("Missing distractors: What is 7269 * 2771?|20142399|", e.Message);
}
}
public void Test_blank_answer_throws_exception()
{
string[] lines = new string[]
{
"What is 7269 * 2771?||874",
};
try
{
Question[] questions = QuestionParser.Parse(lines);
Assert.Fail();
}
catch (Exception e)
{
Assert.AreEqual("Missing Answer: What is 7269 * 2771?||874", e.Message);
}
}
public void Test_blank_question_throws_exception()
{
string[] lines = new string[]
{
"|20142399|874",
};
try
{
Question[] questions = QuestionParser.Parse(lines);
Assert.Fail();
}
catch (Exception e)
{
Assert.AreEqual("Missing question text: |20142399|874", e.Message);
}
}
public void Test_too_few_tabs_question_throws_exception()
{
string[] lines = new string[]
{
"What is 7269 * 2771?|20142399",
};
try
{
Question[] questions = QuestionParser.Parse(lines);
Assert.Fail();
}
catch (Exception e)
{
Assert.AreEqual("Invalid line: What is 7269 * 2771?|20142399", e.Message);
}
}
public void Parse_MultiLine_MultiLineVariables()
{
var questions = new string[]
{
"3 + 7",
"line1 * 2",
"(line1 + line2) / 2",
"",
"line3"
};
string[] answers = QuestionParser.Parse(questions);
Assert.AreEqual("10", answers[0]);
Assert.AreEqual("20", answers[1]);
Assert.AreEqual("15", answers[2]);
Assert.AreEqual("", answers[3]);
Assert.AreEqual("15", answers[4]);
}
private void txtQuestions_TextChanged(object sender, EventArgs e)
{
SetLineNumbers();
txtAnswers.Lines = QuestionParser.Parse(txtQuestions.Lines);
}
public void Test_parse_sample_file()
{
string[] lines = Resource1.code_challenge_question_dump.Split('\n').Skip(1).Select(x => x.Trim()).ToArray();
Question[] questions = QuestionParser.Parse(lines);
Assert.AreEqual(4000, questions.Length);
}
