Joseph Doherty
35 lines
1.5 KiB
C#
35 lines
1.5 KiB
C#
using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
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namespace ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Tests;
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/// <summary>
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/// Unit tests for the IReadable/IWritable surface that don't need a live remote OPC UA
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/// server (the uninitialised-guard contract). The wire-level read/write round-trips live in
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/// <c>OpcUaServer.IntegrationTests/OpcUaClientDriverWireTests</c>, against the in-process server.
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/// </summary>
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[Trait("Category", "Unit")]
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public sealed class OpcUaClientReadWriteTests
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{
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/// <summary>Verifies that ReadAsync throws InvalidOperationException when not initialized.</summary>
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[Fact]
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public async Task ReadAsync_without_initialize_throws_InvalidOperationException()
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{
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using var drv = new OpcUaClientDriver(new OpcUaClientDriverOptions(), "opcua-uninit");
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await Should.ThrowAsync<InvalidOperationException>(async () =>
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await drv.ReadAsync(["ns=2;s=Demo"], TestContext.Current.CancellationToken));
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}
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/// <summary>Verifies that WriteAsync throws InvalidOperationException when not initialized.</summary>
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[Fact]
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public async Task WriteAsync_without_initialize_throws_InvalidOperationException()
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{
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using var drv = new OpcUaClientDriver(new OpcUaClientDriverOptions(), "opcua-uninit");
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await Should.ThrowAsync<InvalidOperationException>(async () =>
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await drv.WriteAsync(
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[new WriteRequest("ns=2;s=Demo", 42)],
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TestContext.Current.CancellationToken));
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}
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}
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