improve code coverage

Author: hjgraca

libraries/tests/AWS.Lambda.Powertools.Logging.Tests/EnvironmentVariableSamplingTests.cs

@@ -167,4 +167,86 @@ public void EnvironmentVariables_ErrorLevelWithNoSampling_ShouldNotLogInfo()
  Assert.Contains("This is an error message", logOutput);
  Assert.DoesNotContain("This is an info message — should NOT appear with 0% sampling", logOutput);
  }
+
+ /// <summary>
+ /// Test the ShouldEnableDebugSampling() method without out parameter
+ /// </summary>
+ [Fact]
+ public void ShouldEnableDebugSampling_WithoutOutParameter_ShouldReturnCorrectValue()
+ {
+ // Arrange
+ var config = new PowertoolsLoggerConfiguration
+ {
+ SamplingRate = 1.0 // 100% sampling
+ };
+
+ // Act
+ var result = config.ShouldEnableDebugSampling();
+
+ // Assert
+ Assert.True(result);
+ }
+
+ /// <summary>
+ /// Test the ShouldEnableDebugSampling() method with zero sampling rate
+ /// </summary>
+ [Fact]
+ public void ShouldEnableDebugSampling_WithZeroSamplingRate_ShouldReturnFalse()
+ {
+ // Arrange
+ var config = new PowertoolsLoggerConfiguration
+ {
+ SamplingRate = 0.0 // 0% sampling
+ };
+
+ // Act
+ var result = config.ShouldEnableDebugSampling();
+
+ // Assert
+ Assert.False(result);
+ }
+
+ /// <summary>
+ /// Test the RefreshSampleRateCalculation() method without out parameter
+ /// </summary>
+ [Fact]
+ public void RefreshSampleRateCalculation_WithoutOutParameter_ShouldReturnCorrectValue()
+ {
+ // Arrange
+ var config = new PowertoolsLoggerConfiguration
+ {
+ SamplingRate = 1.0, // 100% sampling
+ InitialLogLevel = LogLevel.Error,
+ MinimumLogLevel = LogLevel.Error
+ };
+
+ // Act - First call should return false due to cold start protection
+ var firstResult = config.RefreshSampleRateCalculation();
+ 
+ // Second call should return true with 100% sampling
+ var secondResult = config.RefreshSampleRateCalculation();
+
+ // Assert
+ Assert.False(firstResult); // Cold start protection
+ Assert.True(secondResult); // Should enable sampling
+ }
+
+ /// <summary>
+ /// Test the RefreshSampleRateCalculation() method with zero sampling rate
+ /// </summary>
+ [Fact]
+ public void RefreshSampleRateCalculation_WithZeroSamplingRate_ShouldReturnFalse()
+ {
+ // Arrange
+ var config = new PowertoolsLoggerConfiguration
+ {
+ SamplingRate = 0.0 // 0% sampling
+ };
+
+ // Act
+ var result = config.RefreshSampleRateCalculation();
+
+ // Assert
+ Assert.False(result);
+ }
 }