using System.Text.RegularExpressions;

using Microsoft.VisualStudio.TestTools.UnitTesting;

using StringRandomizer.Options;

using StringRandomizer.Stores;

namespace StringRandomizer.Tests

{

[TestClass]

[TestCategory("Randomizer")]

public class RandomizerTest

{

[TestMethod]

public void GivenRandomize_WhenNoOptions_ThenStringWithLenght10WithNumAndUpper()

{

//a

var randomizer = new Randomizer();

Regex rgx = new Regex(@"^[A-Z0-9]{10}$");

//a

var result = randomizer.Next();

//a

Assert.IsTrue(rgx.IsMatch(result));

Assert.AreEqual(10, result.Length);

}

[TestMethod]

public void GivenRandomize_WhenDefaultRandomizerOptionsLength6_ThenStringWithLenght6WithNumAndUpper()

{

//a

var randomizer = new Randomizer(6, new DefaultRandomizerOptions());

Regex rgx = new Regex(@"^[A-Z0-9]{6}$");

//a

var result = randomizer.Next();

//a

Assert.IsTrue(rgx.IsMatch(result));

Assert.AreEqual(6, result.Length);

}

[TestMethod]

public void GivenRandomize_WhenDefaultRandomizerOptionsLength6AndLowerTrue_ThenStringWithLenght6WithNumAndUpperAndLower()

{

//a

var randomizer = new Randomizer(6, new DefaultRandomizerOptions(hasLowerAlphabets:true));

Regex rgx = new Regex(@"^[A-Za-z0-9]{6}$");

//a

var result = randomizer.Next();

//a

Assert.IsTrue(rgx.IsMatch(result));

Assert.AreEqual(6, result.Length);

}

[TestMethod]

public void GivenRandomize_WhenDefaultStoreAndLength6_ThenStringWithLenght6WithNumAndUpper()

{

//a

var store = new DefaultRandomizerStore();

var randomizer = new Randomizer(6, store: store);

Regex rgx = new Regex(@"^[A-Za-z0-9]{6}$");

//a

var result = randomizer.Next();

//a

Assert.IsTrue(rgx.IsMatch(result));

Assert.AreEqual(6, result.Length);

Assert.IsFalse(store.TryAdd(result));

}

[TestMethod]

public void GivenRandomize_WhenDefaultRandomizerOptionsLength6AndLOnlySpecialTrue_ThenStringWithLenght6WithSpecial()

{

//a

var randomizer = new Randomizer(6, new DefaultRandomizerOptions(false,false,false,true));

Regex rgx = new Regex(@"^[\!\@\#\$\%\^\&\*\(\)\-\+]{6}$");

//a

var result = randomizer.Next();

//a

Assert.IsTrue(rgx.IsMatch(result));

Assert.AreEqual(6, result.Length);

}

}

}