Joseph Doherty
83 lines
3.1 KiB
C#
83 lines
3.1 KiB
C#
using System.Text.Json;
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using Google.Protobuf;
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using MxGateway.Client;
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using MxGateway.Contracts.Proto;
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namespace MxGateway.Client.Tests;
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public sealed class MxValueExtensionsTests
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{
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/// <summary>Verifies that scalar values are converted to correctly-typed MxValue protobuf messages.</summary>
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[Fact]
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public void ToMxValue_WithScalarValues_CreatesTypedProtobufValues()
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{
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Assert.Equal(MxValue.KindOneofCase.BoolValue, true.ToMxValue().KindCase);
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Assert.Equal(MxValue.KindOneofCase.Int32Value, 123.ToMxValue().KindCase);
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Assert.Equal(MxValue.KindOneofCase.Int64Value, 123L.ToMxValue().KindCase);
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Assert.Equal(MxValue.KindOneofCase.FloatValue, 1.25F.ToMxValue().KindCase);
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Assert.Equal(MxValue.KindOneofCase.DoubleValue, 2.5D.ToMxValue().KindCase);
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Assert.Equal(MxValue.KindOneofCase.StringValue, "alpha".ToMxValue().KindCase);
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}
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/// <summary>Verifies that array values are converted to array-kind MxValue messages with correct element types and dimensions.</summary>
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[Fact]
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public void ToMxValue_WithArrays_CreatesTypedArrayProtobufValues()
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{
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MxValue value = new[] { "alpha", "beta" }.ToMxValue();
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Assert.Equal(MxValue.KindOneofCase.ArrayValue, value.KindCase);
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Assert.Equal(MxArray.ValuesOneofCase.StringValues, value.ArrayValue.ValuesCase);
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Assert.Equal(["alpha", "beta"], value.ArrayValue.StringValues.Values);
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Assert.Equal([2U], value.ArrayValue.Dimensions);
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}
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/// <summary>Verifies that fixture test cases project to expected MxValue kinds and preserve raw type metadata.</summary>
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[Fact]
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public void FixtureValues_ProjectExpectedKindsAndPreserveRawMetadata()
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{
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using JsonDocument document = JsonDocument.Parse(ReadFixture(
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"values",
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"value-conversion-cases.json"));
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foreach (JsonElement testCase in document.RootElement.GetProperty("cases").EnumerateArray())
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{
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string expectedKind = testCase.GetProperty("expectedKind").GetString()!;
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MxValue value = JsonParser.Default.Parse<MxValue>(
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testCase.GetProperty("value").GetRawText());
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Assert.Equal(expectedKind, value.GetProjectionKind());
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if (testCase.GetProperty("id").GetString() is "raw-fallback.variant")
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{
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Assert.Equal(32767, value.RawDataType);
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Assert.Equal([1, 2, 3, 4, 5], Assert.IsType<byte[]>(value.ToClrValue()));
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}
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}
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}
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private static string ReadFixture(string category, string fileName)
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{
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DirectoryInfo directory = new(AppContext.BaseDirectory);
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while (directory is not null)
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{
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string path = Path.Combine(
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directory.FullName,
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"clients",
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"proto",
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"fixtures",
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"behavior",
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category,
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fileName);
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if (File.Exists(path))
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{
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return File.ReadAllText(path);
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}
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directory = directory.Parent!;
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}
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throw new FileNotFoundException(fileName);
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}
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}
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