DataSerializationHelperTests.cs

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

using AwesomeAssertions;

using Microsoft.VisualStudio.TestPlatform.MSTest.TestAdapter.Helpers;

using TestFramework.ForTestingMSTest;

namespace Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests;

public class DataSerializationHelperTests : TestContainer
{
    public void DataSerializerShouldRoundTripDateTimeOffset()
    {
        var source = new DateTimeOffset(628381323438126060, TimeSpan.FromHours(-8));

        object?[]? actual = DataSerializationHelper.Deserialize(DataSerializationHelper.Serialize([source]));

        actual!.Length.Should().Be(1);
        actual[0].Should().BeOfType<DateTimeOffset>();
        actual[0]!.Equals(source).Should().BeTrue();
    }

    public void DataSerializerShouldRoundTripDateTime()
    {
        var source = new DateTime(628381323438126060);

        object?[]? actual = DataSerializationHelper.Deserialize(DataSerializationHelper.Serialize([source]));

        actual!.Length.Should().Be(1);
        actual[0].Should().BeOfType<DateTime>();
        actual[0]!.Equals(source).Should().BeTrue();
        ((DateTime)actual[0]!).Kind.Equals(source.Kind).Should().BeTrue();
    }

    public void DataSerializerShouldRoundTripDateTimeOfKindLocal()
    {
        var source = new DateTime(628381323438126060, DateTimeKind.Local);

        object?[]? actual = DataSerializationHelper.Deserialize(DataSerializationHelper.Serialize([source]));

        actual!.Length.Should().Be(1);
        actual[0].Should().BeOfType<DateTime>();
        actual[0]!.Equals(source).Should().BeTrue();
        ((DateTime)actual[0]!).Kind.Equals(source.Kind).Should().BeTrue();
    }

    public void DataSerializerShouldRoundTripDateTimeOfKindUtc()
    {
        var source = new DateTime(628381323438126060, DateTimeKind.Utc);

        object?[]? actual = DataSerializationHelper.Deserialize(DataSerializationHelper.Serialize([source]));

        actual!.Length.Should().Be(1);
        actual[0].Should().BeOfType<DateTime>();
        actual[0]!.Equals(source).Should().BeTrue();
        ((DateTime)actual[0]!).Kind.Equals(source.Kind).Should().BeTrue();
    }

#if NET7_0_OR_GREATER
    public void DataSerializerShouldRoundTripDateOnly()
    {
        var source = new DateOnly(1999, 11, 3);

        object?[]? actual = DataSerializationHelper.Deserialize(DataSerializationHelper.Serialize([source]));

        actual!.Length.Should().Be(1);
        actual[0].Should().BeOfType<DateOnly>();
        actual[0]!.Equals(source).Should().BeTrue();
    }

    public void DataSerializerShouldRoundTripTimeOnly()
    {
        var source = new TimeOnly(hour: 14, minute: 50, second: 13, millisecond: 15);

        object?[]? actual = DataSerializationHelper.Deserialize(DataSerializationHelper.Serialize([source]));

        actual!.Length.Should().Be(1);
        actual[0].Should().BeOfType<TimeOnly>();
        actual[0]!.Equals(source).Should().BeTrue();
    }
#endif

    public void DataSerializerShouldRoundTripSystemType()
    {
        Type[] source = [typeof(Console), typeof(DataSerializationHelperTests), typeof(DataSerializationHelper)];

        foreach (Type type in source)
        {
            object?[]? actual = DataSerializationHelper.Deserialize(DataSerializationHelper.Serialize([type]));

            actual!.Length.Should().Be(1);
            actual[0].Should().BeAssignableTo<Type>();
            ((Type)actual[0]!).Should().Be(type);
        }
    }

    public void DataSerializerShouldRoundTripMixedPayloadIncludingSystemType()
    {
        object?[] source = [typeof(string), 42, "hello", null, new DateTime(638450000000000000)];

        object?[]? actual = DataSerializationHelper.Deserialize(DataSerializationHelper.Serialize(source));

        actual.Should().NotBeNull();
        actual!.Length.Should().Be(source.Length);
        actual[0].Should().Be(typeof(string));
        actual[1].Should().Be(42);
        actual[2].Should().Be("hello");
        actual[3].Should().BeNull();
        actual[4].Should().Be(source[4]);
    }
}