Joseph Doherty
66 lines
3.1 KiB
C#
66 lines
3.1 KiB
C#
using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging.Abstractions;
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using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Runtime.Historian;
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namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.Tests;
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/// <summary>
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/// Read-cutover seam tests (T10). Both assert offline construction only — the package client builds
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/// its <c>GrpcChannel</c> lazily, so neither the adapter ctor nor the factory dials the gateway. A
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/// bogus/unreachable endpoint must therefore construct without throwing or performing network I/O.
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/// </summary>
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public sealed class HistorianGatewayClientAdapterTests
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{
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[Fact]
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public void Adapter_constructs_from_options_without_dialing()
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{
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// Constructing the channel must not perform network I/O (lazy connect).
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var opts = new ServerHistorianOptions { Enabled = true, Endpoint = "https://localhost:5222", ApiKey = "histgw_x_y" };
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using var adapter = HistorianGatewayClientAdapter.Create(opts, NullLoggerFactory.Instance);
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Assert.NotNull(adapter);
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}
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/// <summary>
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/// archreview 06/S-11 — an enabled historian with an empty <c>Endpoint</c> must fail with a
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/// named, config-key-carrying <see cref="InvalidOperationException"/> (defense-in-depth for any
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/// caller that bypasses the Host's <c>ServerHistorianOptionsValidator</c>), not the raw
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/// <see cref="UriFormatException"/> that <c>new Uri("")</c> throws deep in the factory. Current
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/// code throws <see cref="UriFormatException"/> → this is the failing-first (RED) repro.
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/// </summary>
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[Fact]
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public void Create_with_empty_endpoint_throws_named_config_error()
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{
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var opts = new ServerHistorianOptions { Enabled = true, Endpoint = "", ApiKey = "histgw_x_y" };
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var ex = Should.Throw<InvalidOperationException>(
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() => HistorianGatewayClientAdapter.Create(opts, NullLoggerFactory.Instance));
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ex.Message.ShouldContain("ServerHistorian:Endpoint");
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}
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/// <summary>
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/// archreview 06/S-11 companion — a non-empty but unparseable / non-absolute <c>Endpoint</c> must
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/// also fail with the same named <see cref="InvalidOperationException"/>, not a raw
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/// <see cref="UriFormatException"/>. RED on current code.
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/// </summary>
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[Fact]
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public void Create_with_malformed_endpoint_throws_named_config_error()
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{
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var opts = new ServerHistorianOptions { Enabled = true, Endpoint = "not a uri", ApiKey = "histgw_x_y" };
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var ex = Should.Throw<InvalidOperationException>(
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() => HistorianGatewayClientAdapter.Create(opts, NullLoggerFactory.Instance));
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ex.Message.ShouldContain("ServerHistorian:Endpoint");
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}
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[Fact]
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public void Factory_builds_GatewayHistorianDataSource()
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{
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var opts = new ServerHistorianOptions { Enabled = true, Endpoint = "https://localhost:5222", ApiKey = "histgw_x_y" };
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using var services = new ServiceCollection().BuildServiceProvider();
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var dataSource = GatewayHistorian.CreateDataSource(opts, services);
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Assert.IsType<GatewayHistorianDataSource>(dataSource);
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}
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}
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