result/src/Result.Tests/ExtensionsEnumerableTests.cs

54 lines
No EOL
1.1 KiB
C#

namespace Geekeey.Extensions.Result.Tests;
[TestFixture]
internal sealed class ExtensionsEnumerableTests
{
[Test]
public void I_can_join_sequence_and_get_all_success_when_all_elements_are_success()
{
IEnumerable<Result<int>> xs = [1, 2, 3, 4, 5];
var result = xs.Join();
Assert.Multiple(() =>
{
Assert.That(result.IsSuccess, Is.True);
Assert.That(result.Value, Is.EquivalentTo(new[] { 1, 2, 3, 4, 5 }));
});
}
[Test]
public void I_can_join_sequence_and_get_first_failure_when_sequence_contains_failure()
{
IEnumerable<Result<int>> xs =
[
Success(1),
Success(2),
Failure<int>("error 1"),
Success(4),
Failure<int>("error 2")
];
var result = xs.Join();
Assert.Multiple(() =>
{
Assert.That(result.IsSuccess, Is.False);
Assert.That(result.Error?.Message, Is.EqualTo("error 1"));
});
}
[Test]
public void I_can_join_empty_sequence_and_get_success()
{
IEnumerable<Result<int>> xs = [];
var result = xs.Join();
Assert.Multiple(() =>
{
Assert.That(result.IsSuccess, Is.True);
Assert.That(result.Value, Is.Empty);
});
}
}