87 lines
2.8 KiB
C#
87 lines
2.8 KiB
C#
using Microsoft.Extensions.Logging.Abstractions;
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using Microsoft.Extensions.Options;
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using ScadaLink.Commons.Messages.RemoteQuery;
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namespace ScadaLink.SiteEventLogging.Tests;
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/// <summary>
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/// Regression tests for SiteEventLogging-010: previously untested behaviours —
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/// the query service error path and the recorder's disposed-state semantics.
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/// </summary>
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public class EventLogCoverageTests : IDisposable
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{
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private readonly string _dbPath;
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public EventLogCoverageTests()
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{
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_dbPath = Path.Combine(Path.GetTempPath(), $"test_coverage_{Guid.NewGuid()}.db");
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}
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public void Dispose()
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{
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if (File.Exists(_dbPath)) File.Delete(_dbPath);
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}
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private SiteEventLogger NewLogger() => new(
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Options.Create(new SiteEventLogOptions { DatabasePath = _dbPath }),
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NullLogger<SiteEventLogger>.Instance);
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private static EventLogQueryRequest MakeRequest() => new(
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CorrelationId: "corr-err",
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SiteId: "site-1",
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From: null,
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To: null,
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EventType: null,
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Severity: null,
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InstanceId: null,
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KeywordFilter: null,
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ContinuationToken: null,
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PageSize: 500,
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Timestamp: DateTimeOffset.UtcNow);
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[Fact]
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public void ExecuteQuery_ReturnsFailureResponse_WhenDatabaseUnavailable()
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{
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// The catch block in EventLogQueryService.ExecuteQuery was untested.
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// Disposing the recorder makes WithConnection throw ObjectDisposedException;
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// the query service must convert that into a Success=false response rather
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// than letting the exception escape to the actor.
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var logger = NewLogger();
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var queryService = new EventLogQueryService(
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logger,
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Options.Create(new SiteEventLogOptions { DatabasePath = _dbPath }),
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NullLogger<EventLogQueryService>.Instance);
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logger.Dispose();
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var response = queryService.ExecuteQuery(MakeRequest());
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Assert.False(response.Success);
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Assert.NotNull(response.ErrorMessage);
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Assert.Empty(response.Entries);
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Assert.Null(response.ContinuationToken);
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Assert.Equal("corr-err", response.CorrelationId);
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}
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[Fact]
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public async Task LogEventAsync_AfterDispose_CompletesWithoutThrowing()
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{
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// Logging after disposal must not throw or hang — the event is simply
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// dropped because the background writer has been completed.
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var logger = NewLogger();
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logger.Dispose();
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await logger.LogEventAsync("script", "Info", null, "Source", "After dispose")
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.WaitAsync(TimeSpan.FromSeconds(5));
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}
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[Fact]
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public void Dispose_IsIdempotent()
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{
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// Re-entrant / repeated Dispose must be a safe no-op.
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var logger = NewLogger();
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logger.Dispose();
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logger.Dispose();
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}
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}
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