Joseph Doherty
70 lines
2.9 KiB
C#
70 lines
2.9 KiB
C#
using Xunit;
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using ZB.MOM.WW.OtOpcUa.Runtime.Historian;
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namespace ZB.MOM.WW.OtOpcUa.Runtime.Tests.Historian;
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/// <summary>
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/// Verifies <see cref="ContinuousHistorizationOptions.Validate"/> self-gates on <c>Enabled</c> and
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/// warns (warn-only, never blocks startup) on the two gated misconfigurations: a blank
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/// <c>OutboxPath</c> while enabled, and a non-positive <c>CommitIntervalMs</c> under
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/// <c>Periodic</c> commit mode. No warning text carries a secret value.
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/// </summary>
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public sealed class ContinuousHistorizationOptionsTests
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{
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/// <summary>A disabled recorder yields no warnings regardless of the other knobs.</summary>
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[Fact]
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public void Disabled_no_warnings()
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=> Assert.Empty(new ContinuousHistorizationOptions { Enabled = false }.Validate());
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/// <summary>An enabled recorder with a blank outbox directory warns about <c>OutboxPath</c>.</summary>
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[Fact]
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public void Enabled_requires_outbox_path()
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=> Assert.Contains(
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new ContinuousHistorizationOptions { Enabled = true, OutboxPath = "" }.Validate(),
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m => m.Contains("OutboxPath"));
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/// <summary>Periodic commit mode with a non-positive interval warns about <c>CommitIntervalMs</c>.</summary>
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[Fact]
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public void Periodic_requires_positive_interval()
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=> Assert.Contains(
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new ContinuousHistorizationOptions
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{
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Enabled = true,
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OutboxPath = "x",
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CommitMode = "Periodic",
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CommitIntervalMs = 0,
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}.Validate(),
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m => m.Contains("CommitIntervalMs"));
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/// <summary>
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/// Pins the shipped defaults, which are a tuned set rather than arbitrary numbers: the drain is
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/// bounded-parallel over an in-memory peek (so a wide <c>DrainBatchSize</c> is cheap and a narrow
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/// one lets the outbox fill during a gateway hiccup), <c>Capacity</c> is the #538 disk backstop,
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/// and <c>MaxWriteAttempts</c> is the #538 poison-tag budget. The shipped
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/// <c>appsettings.json</c> restates these values, so a silent drift between the two is exactly
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/// what this test exists to catch.
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/// </summary>
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[Fact]
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public void Defaults_are_the_documented_batch_era_values()
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{
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var options = new ContinuousHistorizationOptions();
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Assert.Equal("PerEntry", options.CommitMode);
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Assert.Equal(1024, options.DrainBatchSize);
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Assert.Equal(8, options.DrainConcurrency);
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Assert.Equal(500_000, options.Capacity);
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Assert.Equal(5, options.MaxWriteAttempts);
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}
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/// <summary>A fully-configured enabled recorder produces no warnings.</summary>
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[Fact]
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public void Valid_config_is_clean()
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=> Assert.Empty(
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new ContinuousHistorizationOptions
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{
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Enabled = true,
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OutboxPath = "/var/lib/otopcua/historization",
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CommitMode = "PerEntry",
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}.Validate());
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}
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