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using System;
using System.Collections.Generic;
using System.Linq;
using CommandLine.Tests.Fakes;
using CommandLine.Text;
using Xunit;
using FluentAssertions;
namespace CommandLine.Tests.Unit
{
public class Issue482Tests
{
[Fact]
public void AutoBuild_without_ordering()
{
string expectedCompany = "Company";
var parser = Parser.Default;
var parseResult = parser.ParseArguments<Options_HelpText_Ordering_Verb1, Options_HelpText_Ordering_Verb2>(
new[] { "verb1", "--help" })
.WithNotParsed(errors => { ; })
.WithParsed(args => {; });
var message = HelpText.AutoBuild(parseResult,
error =>error,
ex => ex
);
string helpMessage = message.ToString();
var helps = helpMessage.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries).Skip(2).ToList<string>();
List<string> expected = new List<string>()
{
" -a, --alpha Required.",
" -b, --alpha2 Required.",
" -d, --charlie",
" -c, --bravo",
"-f, --foxtrot",
"-e, --echo",
"--help Display this help screen.",
"--version Display version information.",
"value pos. 0"
};
expected.Count.Should().Be(helps.Count);
int i = 0;
foreach (var expect in expected)
{
expect.Trim().Should().Be(helps[i].Trim());
i++;
}
;
}
[Fact]
public void AutoBuild_with_ordering()
{
string expectedCompany = "Company";
var parser = Parser.Default;
var parseResult = parser.ParseArguments<Options_HelpText_Ordering_Verb1, Options_HelpText_Ordering_Verb2>(
new[] { "verb1", "--help" })
.WithNotParsed(errors => { ; })
.WithParsed(args => {; });
Comparison<ComparableOption> comparison = HelpText.RequiredThenAlphaComparison;
string message = HelpText.AutoBuild(parseResult,
error =>
{
error.OptionComparison = HelpText.RequiredThenAlphaComparison;
return error;
},
ex => ex);
string helpMessage = message.ToString();
var helps = helpMessage.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries).Skip(2).ToList<string>();
List<string> expected = new List<string>()
{
" -a, --alpha Required.",
" -b, --alpha2 Required.",
" -c, --bravo",
" -d, --charlie",
"-e, --echo",
"-f, --foxtrot",
"--help Display this help screen.",
"--version Display version information.",
"value pos. 0"
};
expected.Count.Should().Be(helps.Count);
int i = 0;
foreach (var expect in expected)
{
expect.Trim().Should().Be(helps[i].Trim());
i++;
}
;
}
[Fact]
public void AutoBuild_with_ordering_on_shortName()
{
string expectedCompany = "Company";
var parser = Parser.Default;
var parseResult = parser.ParseArguments<Options_HelpText_Ordering_Verb1, Options_HelpText_Ordering_Verb2>(
new[] { "verb1", "--help" })
.WithNotParsed(errors => { ; })
.WithParsed(args => {; });
Comparison<ComparableOption> orderOnShortName = (ComparableOption attr1, ComparableOption attr2) =>
{
if (attr1.IsOption && attr2.IsOption)
{
if (attr1.Required && !attr2.Required)
{
return -1;
}
else if (!attr1.Required && attr2.Required)
{
return 1;
}
else
{
if (string.IsNullOrEmpty(attr1.ShortName) && !string.IsNullOrEmpty(attr2.ShortName))
{
return 1;
}
else if (!string.IsNullOrEmpty(attr1.ShortName) && string.IsNullOrEmpty(attr2.ShortName))
{
return -1;
}
return String.Compare(attr1.ShortName, attr2.ShortName, StringComparison.Ordinal);
}
}
else if (attr1.IsOption && attr2.IsValue)
{
return -1;
}
else
{
return 1;
}
};
string message = HelpText.AutoBuild(parseResult,
error =>
{
error.OptionComparison = orderOnShortName;
return error;
},
ex => ex,
false,
80
);
var helps = message.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries).Skip(2).ToList<string>();
List<string> expected = new List<string>()
{
" -a, --alpha Required.",
" -b, --alpha2 Required.",
" -c, --bravo",
" -d, --charlie",
"-e, --echo",
"-f, --foxtrot",
"--help Display this help screen.",
"--version Display version information.",
"value pos. 0"
};
expected.Count.Should().Be(helps.Count);
int i = 0;
foreach (var expect in expected)
{
expect.Trim().Should().Be(helps[i].Trim());
i++;
}
}
}
}