/// <summary>
/// Compares two files to make sure that they are identical.
/// Allows non strict file comparison (e.g. ignoring white space and single-line comments)
/// </summary>
/// <param name="fileNameExpected">The path of the correct expected file.</param>
/// <param name="fileNameActual">The path of the tested actual file.</param>
/// <param name="strictLevel">How strict to be when comparing the two files.</param>
public static void CheckFilesMatch(string fileNameExpected, string fileNameActual,
MatchingStrictLevel strictLevel)
{
StreamReader readerExpected = new StreamReader(fileNameExpected);
StreamReader readerActual = new StreamReader(fileNameActual);
try
{
// Character by character check must be identical.
if (strictLevel == MatchingStrictLevel.Strict)
{
Assert.AreEqual(readerExpected.ReadToEnd(), readerActual.ReadToEnd(),
fileNameExpected + " does not match " + fileNameActual);
}
// Line by line check
else
{
String lineExpected;
String lineActual;
int currentLineNumber = 1;
while ((lineExpected = readerExpected.ReadLine()) != null)
{
lineActual = readerActual.ReadLine();
Assert.IsNotNull(lineActual,
fileNameExpected + " does not match " + fileNameActual + ". " +
fileNameActual + " has fewer lines than " + fileNameExpected);
CheckLinesMatch(lineExpected, lineActual, fileNameExpected, fileNameActual, strictLevel, currentLineNumber);
currentLineNumber++;
}
lineActual = readerActual.ReadLine();
Assert.AreEqual(readerActual.ReadLine(), null,
fileNameExpected + " does not match " + fileNameActual +
fileNameActual + " has more lines than " + fileNameExpected);
}
}
finally
{
readerExpected.Close();
readerActual.Close();
}
}
/// <summary>
/// Strips off while space and Asserts that the lines match.
/// </summary>
/// <param name="lineExpected">A line in the expected file.</param>
/// <param name="lineActual">The corresponding line in the actual file.</param>
/// <param name="fileNameExpected">The name of the expected file.</param>
/// <param name="fileNameActual">The name of the actual file.</param>
/// <param name="strictLevel">How strict to be when comparing the two files.</param>
/// <param name="currentLineNumber">The current line number used to display any error messages.</param>
public static void CheckLinesMatch(string lineExpected, string lineActual,
string fileNameExpected, string fileNameActual,
MatchingStrictLevel strictLevel, int currentLineNumber)
{
if (strictLevel == MatchingStrictLevel.IgnoreIndent)
{
lineExpected = lineExpected.TrimStart(new char[] { ' ', '\t' });
lineActual = lineActual.TrimStart(new char[] { ' ', '\t' });
}
else if (strictLevel == MatchingStrictLevel.Trim)
{
lineExpected = lineExpected.Trim();
lineActual = lineActual.Trim();
}
else if (strictLevel == MatchingStrictLevel.IgnoreOneLineComments)
{
lineExpected = TrimSingleLineComment(lineExpected).Trim();
lineActual = TrimSingleLineComment(lineActual).Trim();
}
Assert.AreEqual(lineExpected, lineActual, fileNameExpected + " does not match " + fileNameActual +
Environment.NewLine + " line number: " + currentLineNumber);
}
/// <summary>
/// Strips off while space and Asserts that the lines match.
/// </summary>
/// <param name="lineExpected">A line in the expected file.</param>
/// <param name="lineActual">The corresponding line in the actual file.</param>
/// <param name="fileNameExpected">The name of the expected file.</param>
/// <param name="fileNameActual">The name of the actual file.</param>
/// <param name="strictLevel">How strict to be when comparing the two files.</param>
/// <param name="currentLineNumber">The current line number used to display any error messages.</param>
public static void CheckLinesMatch(string lineExpected, string lineActual,
string fileNameExpected, string fileNameActual,
MatchingStrictLevel strictLevel, int currentLineNumber)
{
if(strictLevel == MatchingStrictLevel.IgnoreIndent)
{
lineExpected = lineExpected.TrimStart(new char[]{' ','\t'});
lineActual = lineActual.TrimStart(new char[]{' ','\t'});
}
else if(strictLevel == MatchingStrictLevel.Trim)
{
lineExpected = lineExpected.Trim();
lineActual = lineActual.Trim();
}
else if(strictLevel == MatchingStrictLevel.IgnoreOneLineComments)
{
lineExpected = TrimSingleLineComment(lineExpected).Trim();
lineActual = TrimSingleLineComment(lineActual).Trim();
}
Assert.AreEqual(lineExpected,lineActual,fileNameExpected + " does not match " + fileNameActual +
Environment.NewLine + " line number: " + currentLineNumber);
}
/// <summary>
/// Compares two files to make sure that they are identical.
/// Allows non strict file comparison (e.g. ignoring white space and single-line comments)
/// </summary>
/// <param name="fileNameExpected">The path of the correct expected file.</param>
/// <param name="fileNameActual">The path of the tested actual file.</param>
/// <param name="strictLevel">How strict to be when comparing the two files.</param>
public static void CheckFilesMatch(string fileNameExpected, string fileNameActual,
MatchingStrictLevel strictLevel)
{
StreamReader readerExpected = new StreamReader(fileNameExpected);
StreamReader readerActual = new StreamReader(fileNameActual);
try
{
// Character by character check must be identical.
if( strictLevel == MatchingStrictLevel.Strict )
{
Assert.AreEqual(readerExpected.ReadToEnd(),readerActual.ReadToEnd(),
fileNameExpected + " does not match " + fileNameActual);
}
// Line by line check
else
{
String lineExpected;
String lineActual;
int currentLineNumber = 1;
while((lineExpected = readerExpected.ReadLine())!=null)
{
lineActual = readerActual.ReadLine();
Assert.IsNotNull(lineActual,
fileNameExpected + " does not match " + fileNameActual + ". " +
fileNameActual + " has fewer lines than " + fileNameExpected);
CheckLinesMatch(lineExpected, lineActual, fileNameExpected, fileNameActual, strictLevel, currentLineNumber);
currentLineNumber++;
}
lineActual = readerActual.ReadLine();
Assert.AreEqual(readerActual.ReadLine(),null,
fileNameExpected + " does not match " + fileNameActual+
fileNameActual + " has more lines than " + fileNameExpected);
}
}
finally
{
readerExpected.Close();
readerActual.Close();
}
}
