public void TryParse_ToString_BestGuess(string str, string guess)
{
var success = SemVer.TryParse(str, out var version);
Assert.False(success);
Assert.Equal(guess, version.ToString());
}
public void Parse_Invalid_With_Best_Guess(string str, string expectedGuess,
int expectedIndex, string expectedError)
{
Assert.Throws <FormatException>(() => SemVer.Parse(str));
var success = SemVer.TryParse(str, out var version, out var error);
Assert.False(success);
Assert.Equal(expectedGuess, version.ToString());
Assert.Equal($"Error parsing version string '{ str }' at index { expectedIndex }: { expectedError }", error);
}
private static SemVer DecodeVersion(string value, string property)
{
if (SemVer.TryParse(value, out var parsed))
{
return(parsed.Value);
}
else
{
throw new MsBuildException($"{property} could not be parsed from {value}");
}
}
public static SemVer ParseMinSemVer(System.CommandLine.Parsing.ArgumentResult result)
{
if (result.Tokens.Count == 0)
{
return(Program.DefaultOptions.MinimumVersion);
}
var tokenValue = result.Tokens.Single().Value;
if (!SemVer.TryParse(tokenValue, out var version))
{
result.ErrorMessage = $"Failed to parse version {tokenValue} for option {result.Argument.Name}";
return(Program.DefaultOptions.MinimumVersion);
}
return(version.Value);
}
public void InvalidVersionsFailParse(string version)
{
SemVer.TryParse(version, out _).Should().BeFalse();
Assert.Throws <FormatException>(() => SemVer.Parse(version));
}
public void Parse_Methods_ThrowOnNull()
{
Assert.Throws <ArgumentNullException>(() => SemVer.Parse(null));
Assert.Throws <ArgumentNullException>(() => SemVer.TryParse(null, out var v));
Assert.Throws <ArgumentNullException>(() => SemVer.TryParse(null, out var v, out var e));
}
