61 lines
1.6 KiB
C#
61 lines
1.6 KiB
C#
using Serilog;
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namespace NATS.Server.Tests;
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public class LoggingTests : IDisposable
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{
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private readonly string _logDir;
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public LoggingTests()
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{
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_logDir = Path.Combine(Path.GetTempPath(), $"nats-log-test-{Guid.NewGuid():N}");
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Directory.CreateDirectory(_logDir);
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}
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public void Dispose()
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{
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try { Directory.Delete(_logDir, true); } catch { }
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}
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[Fact]
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public void File_sink_creates_log_file()
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{
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var logPath = Path.Combine(_logDir, "test.log");
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using var logger = new LoggerConfiguration()
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.WriteTo.File(logPath)
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.CreateLogger();
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logger.Information("Hello from test");
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logger.Dispose();
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File.Exists(logPath).ShouldBeTrue();
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var content = File.ReadAllText(logPath);
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content.ShouldContain("Hello from test");
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}
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[Fact]
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public void File_sink_rotates_on_size_limit()
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{
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var logPath = Path.Combine(_logDir, "rotate.log");
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using var logger = new LoggerConfiguration()
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.WriteTo.File(
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logPath,
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fileSizeLimitBytes: 200,
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rollOnFileSizeLimit: true,
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retainedFileCountLimit: 3)
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.CreateLogger();
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// Write enough to trigger rotation
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for (int i = 0; i < 50; i++)
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logger.Information("Log message number {Number} with some padding text", i);
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logger.Dispose();
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// Should have created rotated files
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var logFiles = Directory.GetFiles(_logDir, "rotate*.log");
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logFiles.Length.ShouldBeGreaterThan(1);
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}
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}
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