public void ConvertFromThrowsWhenNullOrEmptyString()
{
var sut = new EncodingConverter();
Action act = () => sut.ConvertFrom("");
act.Should().Throw <NotSupportedException>().WithMessage($"Cannot parse a null or empty string into a {nameof(Encoding)}.");
}
public void ConvertFromThrowsWhenEncodingIsUnknown()
{
var sut = new EncodingConverter();
Action act = () => sut.ConvertFrom("utf-48");
act.Should().Throw <ArgumentException>().WithMessage("'utf-48' is not a supported encoding name.*");
}
public void ConvertFromThrowsWhenInvalidFormat()
{
const string value = "utf-8, bam";
var sut = new EncodingConverter();
Action act = () => sut.ConvertFrom(value);
act.Should().Throw <NotSupportedException>().WithMessage($"'{value}' format is invalid and cannot be parsed into a {nameof(Encoding)}.");
}
public void ConvertFromThrowsWhenNullOrEmptyString()
{
var sut = new EncodingConverter();
Assert.That(
() => sut.ConvertFrom(""),
Throws.TypeOf <NotSupportedException>().With.Message.EqualTo(string.Format("Cannot parse a null or empty string into a {0}.", typeof(Encoding).Name)));
}
public void ConvertToWithoutBom()
{
var encoding = new UTF8Encoding();
var sut = new EncodingConverter();
var displayName = sut.ConvertTo(encoding, typeof(string));
displayName.Should().Be($"{encoding.WebName}");
}
public void ConvertToWithBom()
{
var encoding = new UTF8Encoding(true);
var sut = new EncodingConverter();
var displayName = sut.ConvertTo(encoding, typeof(string));
displayName.Should().Be($"{encoding.WebName} {EncodingConverter.ENCODING_SIGNATURE_MODIFIER}");
}
public void ConvertFromThrowsWhenInvalidFormat()
{
const string value = "utf-8, bam";
var sut = new EncodingConverter();
Assert.That(
() => sut.ConvertFrom(value),
Throws.TypeOf <NotSupportedException>().With.Message.EqualTo(string.Format("'{0}' format is invalid and cannot be parsed into a {1}.", value, typeof(Encoding).Name)));
}
public void ConvertFromThrowsWhenEncodingIsUnknown()
{
const string value = "utf-48";
var sut = new EncodingConverter();
Assert.That(
() => sut.ConvertFrom(value),
Throws.TypeOf <ArgumentException>().With.Message.StartsWith("'utf-48' is not a supported encoding name."));
}
public void ConvertToWithoutBom()
{
var encoding = new UTF8Encoding();
var sut = new EncodingConverter();
var displayName = sut.ConvertTo(encoding, typeof(string));
Assert.That(displayName, Is.EqualTo(string.Format("{0}", encoding.WebName)));
}
public void ConvertToWithBom()
{
var encoding = new UTF8Encoding(true);
var sut = new EncodingConverter();
var displayName = sut.ConvertTo(encoding, typeof(string));
Assert.That(displayName, Is.EqualTo(string.Format("{0} {1}", encoding.WebName, EncodingConverter.ENCODING_SIGNATURE_MODIFIER)));
}
public void ConvertFromWithBomIsCaseInsensitive()
{
var encoding = new UTF8Encoding(true);
var displayName = $"{encoding.WebName} {EncodingConverter.ENCODING_SIGNATURE_MODIFIER.ToUpper()}";
var sut = new EncodingConverter();
var convertedObject = sut.ConvertFrom(displayName);
convertedObject.Should().BeEquivalentTo(encoding);
convertedObject.Should().BeOfType <UTF8Encoding>();
var convertedEncoding = convertedObject as UTF8Encoding;
convertedEncoding.WebName.Should().Be(encoding.WebName);
convertedEncoding.GetPreamble().Length.Should().BeGreaterThan(0);
}
public void ConvertFromWithoutBom()
{
var encoding = new UTF8Encoding();
var displayName = $"{encoding.WebName}";
var sut = new EncodingConverter();
var convertedObject = sut.ConvertFrom(displayName);
convertedObject.Should().BeEquivalentTo(encoding);
convertedObject.Should().BeOfType <UTF8Encoding>();
var convertedEncoding = convertedObject as UTF8Encoding;
convertedEncoding.WebName.Should().Be(encoding.WebName);
convertedEncoding.GetPreamble().Length.Should().Be(0);
}
public void ConvertFromWithBom()
{
var encoding = new UTF8Encoding(true);
var displayName = string.Format("{0} {1}", encoding.WebName, EncodingConverter.ENCODING_SIGNATURE_MODIFIER);
var sut = new EncodingConverter();
var convertedObject = sut.ConvertFrom(displayName);
Assert.That(convertedObject, Is.InstanceOf <UTF8Encoding>());
var convertedEncoding = convertedObject as UTF8Encoding;
// ReSharper disable PossibleNullReferenceException
Assert.That(convertedEncoding.WebName, Is.EqualTo(encoding.WebName));
Assert.That(convertedEncoding.GetPreamble().Length, Is.GreaterThan(0));
// ReSharper restore PossibleNullReferenceException
}
public void CanConvertTo()
{
var sut = new EncodingConverter();
sut.CanConvertTo(typeof(string)).Should().BeTrue();
}
public void CanConvertTo()
{
var sut = new EncodingConverter();
Assert.That(sut.CanConvertTo(typeof(string)));
}
