119 lines
No EOL
3 KiB
C#
119 lines
No EOL
3 KiB
C#
namespace Geekeey.Common.Results.Tests;
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[TestFixture]
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internal sealed class PreludeTests
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{
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[Test]
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public void Try_ReturnsSuccess_WithoutThrowing()
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{
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var result = Try(() => 2);
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Assert.Multiple(() =>
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{
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Assert.That(result.IsSuccess, Is.True);
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Assert.That(result.Value, Is.EqualTo(2));
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});
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}
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[Test]
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public void Try_ReturnsFailure_WithThrowing()
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{
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var result = Try<int>(() => throw new CustomTestException());
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Assert.Multiple(() =>
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{
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Assert.That(result.IsSuccess, Is.False);
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Assert.That(result.Error, Is.InstanceOf<ExceptionError>());
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var instance = result.Error as ExceptionError;
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Assert.That(instance?.Exception, Is.InstanceOf<CustomTestException>());
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});
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}
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[Test]
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public async Task TryAsync_ReturnsSuccess_WithoutThrowing_Task()
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{
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var result = await TryAsync(() => Task.FromResult(2));
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Assert.Multiple(() =>
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{
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Assert.That(result.IsSuccess, Is.True);
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Assert.That(result.Value, Is.EqualTo(2));
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});
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}
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[Test]
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public async Task TryAsync_ReturnsFailure_WithThrowing_Task()
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{
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var result = await TryAsync(Task<int> () => throw new CustomTestException());
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Assert.Multiple(() =>
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{
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Assert.That(result.IsSuccess, Is.False);
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Assert.That(result.Error, Is.InstanceOf<ExceptionError>());
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var instance = result.Error as ExceptionError;
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Assert.That(instance?.Exception, Is.InstanceOf<CustomTestException>());
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});
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}
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[Test]
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public async Task TryAsync_ReturnsFailure_WithAwaitThrowing_Task()
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{
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var result = await TryAsync(async Task<int> () =>
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{
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await Task.CompletedTask;
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throw new CustomTestException();
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});
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Assert.Multiple(() =>
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{
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Assert.That(result.IsSuccess, Is.False);
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Assert.That(result.Error, Is.InstanceOf<ExceptionError>());
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var instance = result.Error as ExceptionError;
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Assert.That(instance?.Exception, Is.InstanceOf<CustomTestException>());
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});
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}
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[Test]
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public async Task TryAsync_ReturnsSuccess_WithoutThrowing_ValueTask()
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{
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var result = await TryAsync(() => ValueTask.FromResult(2));
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Assert.Multiple(() =>
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{
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Assert.That(result.IsSuccess, Is.True);
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Assert.That(result.Value, Is.EqualTo(2));
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});
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}
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[Test]
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public async Task TryAsync_ReturnsFailure_WithThrowing_ValueTask()
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{
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var result = await TryAsync(ValueTask<int> () => throw new CustomTestException());
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Assert.Multiple(() =>
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{
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Assert.That(result.IsSuccess, Is.False);
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Assert.That(result.Error, Is.InstanceOf<ExceptionError>());
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var instance = result.Error as ExceptionError;
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Assert.That(instance?.Exception, Is.InstanceOf<CustomTestException>());
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});
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}
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[Test]
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public async Task TryAsync_ReturnsFailure_WithAwaitThrowing_ValueTask()
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{
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var result = await TryAsync(async ValueTask<int> () =>
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{
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await Task.CompletedTask;
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throw new CustomTestException();
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});
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Assert.Multiple(() =>
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{
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Assert.That(result.IsSuccess, Is.False);
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Assert.That(result.Error, Is.InstanceOf<ExceptionError>());
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var instance = result.Error as ExceptionError;
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Assert.That(instance?.Exception, Is.InstanceOf<CustomTestException>());
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});
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}
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} |