Joseph Doherty
53 lines
2.2 KiB
C#
53 lines
2.2 KiB
C#
using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Browser;
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namespace ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Browser.Tests;
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/// <summary>
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/// Unit-only coverage of <see cref="OpcUaClientDriverBrowser"/>'s pre-connect
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/// validation. These tests do not require a live OPC UA endpoint and are safe to
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/// run without the opc-plc Docker fixture.
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/// </summary>
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[Trait("Category", "Unit")]
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public sealed class OpcUaClientDriverBrowserTests
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{
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private readonly OpcUaClientDriverBrowser _sut = new();
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/// <summary>The DriverType key must match the AdminUI's persisted value.</summary>
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[Fact]
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public void DriverType_is_OpcUaClient() => _sut.DriverType.ShouldBe("OpcUaClient");
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/// <summary>An empty endpoint must fail fast with a clear EndpointUrl-mentioning message.</summary>
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[Fact]
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public async Task OpenAsync_with_empty_endpoint_throws()
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{
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var json = """{"EndpointUrl":"","EndpointUrls":[]}""";
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var ex = await Should.ThrowAsync<InvalidOperationException>(
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() => _sut.OpenAsync(json, TestContext.Current.CancellationToken));
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ex.Message.ShouldContain("EndpointUrl");
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}
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/// <summary>A JSON literal that deserializes to null must fail fast.</summary>
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[Fact]
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public async Task OpenAsync_with_null_json_throws()
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{
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var ex = await Should.ThrowAsync<InvalidOperationException>(
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() => _sut.OpenAsync("null", TestContext.Current.CancellationToken));
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ex.Message.ShouldContain("null");
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}
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/// <summary>Certificate auth is not supported by the browser; the failure message
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/// must say so explicitly rather than surfacing a downstream COM/SDK error.
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/// <c>OpcUaAuthType.Certificate</c> serializes as the numeric value 2 under the
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/// browser's default System.Text.Json options (no string-enum converter).</summary>
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[Fact]
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public async Task OpenAsync_with_certificate_auth_throws_clear_message()
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{
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var json = """{"EndpointUrl":"opc.tcp://127.0.0.1:1","AuthType":2}""";
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var ex = await Should.ThrowAsync<InvalidOperationException>(
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() => _sut.OpenAsync(json, TestContext.Current.CancellationToken));
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ex.Message.ShouldContain("Certificate");
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}
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}
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