public void RegularExpressions_Characters_SpaceCharacter()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsOne.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = @"not\sa\sstory\sthe\sJedi\swould\stell\syou";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 1);
}
public void RegularExpressions_LookArounds_PositiveLookBehind_BeforeMatch()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsTwo.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = @"(?<=USD)\d{3}";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 1);
}
public void RegularExpressions_LookArounds_NegativeLookAhead_AfterMatch()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsTwo.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = @"\d+(?!\d| dollars)";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Any());
}
public void RegularExpressions_Logic_BackReferenceByName()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsOne.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = @"I thought not(?<Cap>\.).*\k<Cap>";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 1);
}
public void RegularExpressions_Boundaries_Word_Negative()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsOne.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = @"power\B";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 2);
}
public void RegularExpressions_Quantifiers_ZeroOrMore()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsOne.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = @"He became so powerful\.\.\.[Z]* the only thing";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 1);
}
public void RegularExpressions_Logic_OR()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsOne.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = @"I(t's| thought) not";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 2);
}
public void RegularExpressions_Characters_Digit()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsOne.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = @"\d\d\d\d";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 1);
}
public void RegularExpressions_Characters_NewLine()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsOne.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = @"story the Jedi would tell you\.[\r\n\s]*It's a Sith";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 1);
}
public void IgnoreBreaks_FlagMiddle_FlagShort()
{
string TestFilePath = Path.Combine(TestDataDirectory, "IgnoreBreaks.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = "quick.*brown";
string Command = $"-f '{TestFilePath}' {_FlagDescriptorShort} {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 1);
}
public void IgnoreBreaks_StartOfLineToEndOfLine_NoFlag()
{
string TestFilePath = Path.Combine(TestDataDirectory, "IgnoreBreaks.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = "^a.*$";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 3);
}
public void IgnoreBreaks_FlagFirst_FlagLong_SpaceReplace()
{
string TestFilePath = Path.Combine(TestDataDirectory, "IgnoreBreaks.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = "quick brown";
string Command = $"{_FlagDescriptorLong} -f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count(x => x.MatchedString.EqualsIgnoreCase(SearchTerm)) == 1);
}
public void Write_FlagMiddle_FlagShort()
{
string TestFilePath = Path.Combine(TestDataDirectory, "Write.txt");
Assert.IsTrue(File.Exists(TestFilePath));
string SearchTerm = "quick brown";
string Command = $"-f '{TestFilePath}' {_FlagDescriptorShort} '{_testOutputFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(File.Exists(_testOutputFilePath));
Assert.IsTrue(FileHasData(_testOutputFilePath));
File.Delete(_testOutputFilePath);
}
public void RegularExpressions_Quantifiers_OnceOrNone()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsOne.txt");
Assert.IsTrue(File.Exists(TestFilePath));
// Postive test
string SearchTerm = @"He became so power[f]?ul\.\.\. the only thing";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 1);
// Negative test
SearchTerm = @"He became so powerful[\.]? the only thing";
Command = $"-f '{TestFilePath}' {SearchTerm}";
GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 0);
}
public void RegularExpressions_Quantifiers_OneOrMoreLazy()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsOne.txt");
Assert.IsTrue(File.Exists(TestFilePath));
// 1
string SearchTerm = @"He became so powerful[\.]+? the only thing";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 1);
// 2
SearchTerm = @"He became so powerful[\.]+?";
Command = $"-f '{TestFilePath}' {SearchTerm}";
GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count(x => x.MatchedString == @"He became so powerful.") == 1);
}
public void RegularExpressions_CharacterClasses_CharacterRange()
{
string TestFilePath = Path.Combine(TestDataDirectory, "RegularExpressionsOne.txt");
Assert.IsTrue(File.Exists(TestFilePath));
// 1
string SearchTerm = @"the only [a-z\s]* afraid";
string Command = $"-f '{TestFilePath}' {SearchTerm}";
var GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 1);
// 2
SearchTerm = @"so powerful[a-z\s]* he was afraid";
Command = $"-f '{TestFilePath}' {SearchTerm}";
GrepResultCollection = new GrepResultCollection();
GrepEngine.RunCommand(Command, GrepResultCollection);
Assert.IsTrue(GrepResultCollection.Count == 0);
}
