public void ShouldExcludeBlankLinesAndReturnLineCount()
{
//Arrange
var filePath = "test";
const int expected = 6;
var linesFromFile = new List <string>()
{
"Line1",
string.Empty,
"Line3",
"Line4",
"Line5",
"Line6",
"Line7"
};
var sut = new LineCounterTestBuilder()
.FileDoesExist(filePath)
.WithAllLinesFromFile(filePath, linesFromFile)
.Build();
//Act
var result = sut.CountLinesOfCode(filePath);
//Assert
Assert.That(result, Is.EqualTo(expected));
}
public void ShouldIncludeLinesThatContainValidText_AndASingleLineComment()
{
//Arrange
var filePath = "test";
const int expected = 7;
var linesFromFile = new List <string>()
{
"Line1",
"Some text // Some comment",
"Line3",
"Some other text //Some other comment",
"Line5",
"Line6",
"Line7"
};
var sut = new LineCounterTestBuilder()
.FileDoesExist(filePath)
.WithAllLinesFromFile(filePath, linesFromFile)
.Build();
//Act
var result = sut.CountLinesOfCode(filePath);
//Assert
Assert.That(result, Is.EqualTo(expected));
}
public void ShouldExcludeLineThatIsOnlyABlockComment()
{
//Arrange
var filePath = "test";
const int expected = 6;
var linesFromFile = new List <string>()
{
"Line1",
"/* First line of comment*/",
"Line3",
"Line4",
"Line5",
"Line6",
"Line7"
};
var sut = new LineCounterTestBuilder()
.FileDoesExist(filePath)
.WithAllLinesFromFile(filePath, linesFromFile)
.Build();
//Act
var result = sut.CountLinesOfCode(filePath);
//Assert
Assert.That(result, Is.EqualTo(expected));
}
public void ShouldExcludeLinesThatContainEmptySpace_AndIsAtEndOfCodeBlockComment()
{
//Arrange
var filePath = "test";
const int expected = 4;
var linesFromFile = new List <string>()
{
"Line1",
"/* First line of comment",
"Second line of comment",
"Last line of comment */ ",
"Line5",
"Line6",
"Line7"
};
var sut = new LineCounterTestBuilder()
.FileDoesExist(filePath)
.WithAllLinesFromFile(filePath, linesFromFile)
.Build();
//Act
var result = sut.CountLinesOfCode(filePath);
//Assert
Assert.That(result, Is.EqualTo(expected));
}
public void ShouldIncludeAllLinesThatHaveValidTextBeforeStartOfBlockComment()
{
//Arrange
var filePath = "test";
const int expected = 4;
var linesFromFile = new List <string>()
{
"Line1",
"Some text /* First line of comment",
"Second line of comment",
"Last line of comment */",
"Some text again /* Some valid comment",
"Second line of valid comment",
"Last line of valid comment */",
"Line7"
};
var sut = new LineCounterTestBuilder()
.FileDoesExist(filePath)
.WithAllLinesFromFile(filePath, linesFromFile)
.Build();
//Act
var result = sut.CountLinesOfCode(filePath);
//Assert
Assert.That(result, Is.EqualTo(expected));
}
public void GivenFilePathIsEmpty_ShouldThrowException(string filePath)
{
//Arrange
var sut = new LineCounterTestBuilder().Build();
//Act & //Assert
Assert.Throws <InvalidOperationException>(() => sut.CountLinesOfCode(filePath),
"Cannot read from an empty file");
}
public void GivenFileDoesNotExist_ShouldThrowException()
{
//Arrange
var filePath = "test";
var sut = new LineCounterTestBuilder()
.FileDoesNotExist(filePath)
.Build();
//Act & //Assert
Assert.Throws <FileNotFoundException>(() => sut.CountLinesOfCode(filePath), "File not found.");
}
public void GivenFileIsEmpty_ShouldReturnZero()
{
//Arrange
var filePath = "test";
const int expected = 0;
var sut = new LineCounterTestBuilder()
.FileDoesExist(filePath)
.Build();
//Act
var result = sut.CountLinesOfCode(filePath);
//Assert
Assert.That(result, Is.EqualTo(expected));
}
