public void GenerateRandomStringOnlySpecialCharactersTest()
{
// Arrange
var charactersOne = (Min : 33, Max : 47);
var charactersTwo = (Min : 58, Max : 64);
var charactersThree = (Min : 91, Max : 96);
var charactersFour = (Min : 123, Max : 126);
var stringLength = 10;
var options = new RandomStringOptions
{
IncludeSpecialCharacter = true
};
// Act
var result = StringFactory.GenerateRandomString(stringLength, options);
// Assert
result.Should().HaveLength(stringLength);
result.All(c =>
Convert.ToByte(c) >= charactersOne.Min && Convert.ToByte(c) <= charactersOne.Max ||
Convert.ToByte(c) >= charactersTwo.Min && Convert.ToByte(c) <= charactersTwo.Max ||
Convert.ToByte(c) >= charactersThree.Min && Convert.ToByte(c) <= charactersThree.Max ||
Convert.ToByte(c) >= charactersFour.Min && Convert.ToByte(c) <= charactersFour.Max
).Should().BeTrue();
}
public void GenerateRandomStringNoCharactersEnabledTest()
{
// Arrange
var stringLength = 10;
var options = new RandomStringOptions();
// Act
StringFactory.GenerateRandomString(stringLength, options);
}
public void GenerateRandomStringOnlyUpperCaseTest()
{
// Arrange
var characters = (Min : 65, Max : 90);
var stringLength = 10;
var options = new RandomStringOptions
{
IncludeUppercase = true
};
// Act
var result = StringFactory.GenerateRandomString(stringLength, options);
// Assert
result.Should().HaveLength(stringLength);
result.All(c => Convert.ToByte(c) >= characters.Min && Convert.ToByte(c) <= characters.Max).Should().BeTrue();
}
public void GenerateRandomStringOnlyNumbersTest()
{
// Arrange
var numbers = (Min : 48, Max : 57);
var stringLength = 10;
var options = new RandomStringOptions
{
IncludeNumbers = true
};
// Act
var result = StringFactory.GenerateRandomString(stringLength, options);
// Assert
result.Should().HaveLength(stringLength);
result.All(c => Convert.ToByte(c) >= numbers.Min && Convert.ToByte(c) <= numbers.Max).Should().BeTrue();
}
public static string RandomString(int Length, RandomStringOptions options = RandomStringOptions.Letters)
{
if (Length == 0)
{
return("");
}
StringBuilder dictionary = new StringBuilder();
if ((options & RandomStringOptions.Letters) == RandomStringOptions.Letters)
{
dictionary.Append(PASSWORD_CHARS_UCASE);
}
if ((options & RandomStringOptions.Numbers) == RandomStringOptions.Numbers)
{
dictionary.Append(PASSWORD_CHARS_NUMERIC);
}
if ((options & RandomStringOptions.SpecialChars) == RandomStringOptions.SpecialChars)
{
dictionary.Append(PASSWORD_CHARS_SPECIAL);
}
if ((options & RandomStringOptions.Letters) == RandomStringOptions.Letters)
{
dictionary.Append(PASSWORD_CHARS_LCASE);
}
if ((options & RandomStringOptions.Numbers) == RandomStringOptions.Numbers)
{
dictionary.Append(PASSWORD_CHARS_NUMERIC);
}
char[] result = new char[Length];
for (int i = 0; i < Length; i++)
{
result[i] = dictionary[random.Next(dictionary.Length)];
}
return(new string(result));
}
/// <summary>
/// 根据 RandomStringOptions 生成指定个数的随机字符串
/// </summary>
/// <param name="count">生成字符个数</param>
/// <param name="options"></param>
/// <returns></returns>
public static string NextString(int count, RandomStringOptions options)
{
if (count <= 0)
{
throw new ArgumentException("必须大于0", "count");
}
switch (options)
{
case RandomStringOptions.Integer:
return(NextIntCount(count));
case RandomStringOptions.IntEnglish:
return(NextIntEnglishCount("0123456789abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ", count));
case RandomStringOptions.IntEnglishLower:
return(NextIntEnglishCount("0123456789abcdefghigklmnopqrstuvwxyz", count));
case RandomStringOptions.IntEnglishUpper:
return(NextIntEnglishCount("0123456789ABCDEFGHIGKLMNOPQRSTUVWXYZ", count));
case RandomStringOptions.English:
return(NextIntEnglishCount("abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ", count));
case RandomStringOptions.EnglishLower:
return(NextIntEnglishCount("abcdefghigklmnopqrstuvwxyz", count));
case RandomStringOptions.EnglishUpper:
return(NextIntEnglishCount("ABCDEFGHIGKLMNOPQRSTUVWXYZ", count));
case RandomStringOptions.Chinese:
return(NextChineseCount(count));
/*case RandomStringOptions.ChinesePinyin:
* return ConvertHelper.ChineseToPinyin(NextChineseCount(count));*/
}
return(string.Empty);
}
public static string RandomString(RandomStringOptions options = RandomStringOptions.Letters)
{
return(RandomString(random.Next(DEFAULT_MIN_PASSWORD_LENGTH, DEFAULT_MAX_PASSWORD_LENGTH), options));
}
