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| 1 | +// Copyright The OpenTelemetry Authors |
| 2 | +// SPDX-License-Identifier: Apache-2.0 |
| 3 | + |
| 4 | +using OpenTelemetry.Logging; |
| 5 | +using OpenTelemetry.Resources; |
| 6 | +using Xunit; |
| 7 | + |
| 8 | +namespace OpenTelemetry.AutoInstrumentation.Sdk.Tests.Logging; |
| 9 | + |
| 10 | +public sealed class BufferedLogRecordBatchTests |
| 11 | +{ |
| 12 | + [Fact] |
| 13 | + public void Constructor_WithValidBufferedBatch_DoesNotThrow() |
| 14 | + { |
| 15 | + // Arrange |
| 16 | + var resource = new Resource(new List<KeyValuePair<string, object>>()); |
| 17 | + var bufferedBatch = new BufferedTelemetryBatch<BufferedLogRecord>(resource); |
| 18 | + |
| 19 | + // Act & Assert - Should not throw |
| 20 | + _ = new BufferedLogRecordBatch(bufferedBatch); |
| 21 | + |
| 22 | + // Assert that construction succeeds |
| 23 | + Assert.True(true); |
| 24 | + } |
| 25 | + |
| 26 | + [Fact] |
| 27 | + public void WriteTo_WithEmptyBatch_WritesNothing() |
| 28 | + { |
| 29 | + // Arrange |
| 30 | + var resource = new Resources.Resource(new List<KeyValuePair<string, object>>()); |
| 31 | + var bufferedBatch = new BufferedTelemetryBatch<BufferedLogRecord>(resource); |
| 32 | + var batch = new BufferedLogRecordBatch(bufferedBatch); |
| 33 | + var writer = new TestLogRecordBatchWriter(); |
| 34 | + |
| 35 | + // Act |
| 36 | + bool result = batch.WriteTo(writer); |
| 37 | + |
| 38 | + // Assert |
| 39 | + Assert.True(result); |
| 40 | + Assert.Equal(0, writer.LogRecordCount); |
| 41 | + } |
| 42 | + |
| 43 | + [Fact] |
| 44 | + public void WriteTo_WithSingleLogRecord_WritesCorrectly() |
| 45 | + { |
| 46 | + // Arrange |
| 47 | + var resource = new Resource(new List<KeyValuePair<string, object>>()); |
| 48 | + var bufferedBatch = new BufferedTelemetryBatch<BufferedLogRecord>(resource); |
| 49 | + |
| 50 | + var activityContext = new ActivityContext( |
| 51 | + ActivityTraceId.CreateRandom(), |
| 52 | + ActivitySpanId.CreateRandom(), |
| 53 | + ActivityTraceFlags.Recorded); |
| 54 | + |
| 55 | + var scope = new InstrumentationScope("test.scope") { Version = "1.0.0" }; |
| 56 | + var logRecordInfo = new LogRecordInfo(scope) |
| 57 | + { |
| 58 | + TimestampUtc = DateTime.UtcNow, |
| 59 | + Severity = LogRecordSeverity.Info, |
| 60 | + Body = "Test message" |
| 61 | + }; |
| 62 | + |
| 63 | + var attributes = new List<KeyValuePair<string, object?>> |
| 64 | + { |
| 65 | + new("key1", "value1"), |
| 66 | + new("key2", 42) |
| 67 | + }; |
| 68 | + |
| 69 | + var logRecord = new LogRecord(in activityContext, in logRecordInfo) |
| 70 | + { |
| 71 | + Attributes = attributes.ToArray() |
| 72 | + }; |
| 73 | + |
| 74 | + var bufferedLogRecord = new BufferedLogRecord(in logRecord); |
| 75 | + bufferedBatch.Add(bufferedLogRecord); |
| 76 | + |
| 77 | + var batch = new BufferedLogRecordBatch(bufferedBatch); |
| 78 | + var writer = new TestLogRecordBatchWriter(); |
| 79 | + |
| 80 | + // Act |
| 81 | + bool result = batch.WriteTo(writer); |
| 82 | + |
| 83 | + // Assert |
| 84 | + Assert.True(result); |
| 85 | + Assert.Equal(1, writer.LogRecordCount); |
| 86 | + Assert.NotNull(writer.LastLogRecordInfo); |
| 87 | + Assert.Equal("Test message", writer.LastLogRecordInfo.Value.Body); |
| 88 | + Assert.Equal(LogRecordSeverity.Info, writer.LastLogRecordInfo.Value.Severity); |
| 89 | + } |
| 90 | + |
| 91 | + [Fact] |
| 92 | + public void WriteTo_WithMultipleLogRecords_WritesAllCorrectly() |
| 93 | + { |
| 94 | + // Arrange |
| 95 | + var resource = new Resource(new List<KeyValuePair<string, object>>()); |
| 96 | + var bufferedBatch = new BufferedTelemetryBatch<BufferedLogRecord>(resource); |
| 97 | + |
| 98 | + var scope = new InstrumentationScope("test.scope") { Version = "1.0.0" }; |
| 99 | + |
| 100 | + // Create multiple log records |
| 101 | + const int recordCount = 3; |
| 102 | + for (int i = 0; i < recordCount; i++) |
| 103 | + { |
| 104 | + var activityContext = new ActivityContext( |
| 105 | + ActivityTraceId.CreateRandom(), |
| 106 | + ActivitySpanId.CreateRandom(), |
| 107 | + ActivityTraceFlags.Recorded); |
| 108 | + |
| 109 | + var logRecordInfo = new LogRecordInfo(scope) |
| 110 | + { |
| 111 | + TimestampUtc = DateTime.UtcNow.AddSeconds(i), |
| 112 | + Severity = LogRecordSeverity.Info, |
| 113 | + Body = $"Test message {i}" |
| 114 | + }; |
| 115 | + |
| 116 | + var logRecord = new LogRecord(in activityContext, in logRecordInfo); |
| 117 | + |
| 118 | + var bufferedLogRecord = new BufferedLogRecord(in logRecord); |
| 119 | + bufferedBatch.Add(bufferedLogRecord); |
| 120 | + } |
| 121 | + |
| 122 | + var batch = new BufferedLogRecordBatch(bufferedBatch); |
| 123 | + var writer = new TestLogRecordBatchWriter(); |
| 124 | + |
| 125 | + // Act |
| 126 | + bool result = batch.WriteTo(writer); |
| 127 | + |
| 128 | + // Assert |
| 129 | + Assert.True(result); |
| 130 | + Assert.Equal(recordCount, writer.LogRecordCount); |
| 131 | + } |
| 132 | + |
| 133 | + [Fact] |
| 134 | + public void WriteTo_WithDifferentSeverities_WritesAllCorrectly() |
| 135 | + { |
| 136 | + // Arrange |
| 137 | + var resource = new Resource(new List<KeyValuePair<string, object>>()); |
| 138 | + var bufferedBatch = new BufferedTelemetryBatch<BufferedLogRecord>(resource); |
| 139 | + |
| 140 | + var scope = new InstrumentationScope("test.scope") { Version = "1.0.0" }; |
| 141 | + var severities = new[] |
| 142 | + { |
| 143 | + LogRecordSeverity.Debug, |
| 144 | + LogRecordSeverity.Info, |
| 145 | + LogRecordSeverity.Warn, |
| 146 | + LogRecordSeverity.Error |
| 147 | + }; |
| 148 | + |
| 149 | + foreach (var severity in severities) |
| 150 | + { |
| 151 | + var activityContext = default(ActivityContext); |
| 152 | + var logRecordInfo = new LogRecordInfo(scope) |
| 153 | + { |
| 154 | + Severity = severity, |
| 155 | + Body = $"Message with {severity} severity" |
| 156 | + }; |
| 157 | + |
| 158 | + var logRecord = new LogRecord(in activityContext, in logRecordInfo); |
| 159 | + var bufferedLogRecord = new BufferedLogRecord(in logRecord); |
| 160 | + bufferedBatch.Add(bufferedLogRecord); |
| 161 | + } |
| 162 | + |
| 163 | + var batch = new BufferedLogRecordBatch(bufferedBatch); |
| 164 | + var writer = new TestLogRecordBatchWriter(); |
| 165 | + |
| 166 | + // Act |
| 167 | + bool result = batch.WriteTo(writer); |
| 168 | + |
| 169 | + // Assert |
| 170 | + Assert.True(result); |
| 171 | + Assert.Equal(severities.Length, writer.LogRecordCount); |
| 172 | + } |
| 173 | + |
| 174 | + private sealed class TestLogRecordBatchWriter : LogRecordBatchWriter |
| 175 | + { |
| 176 | + public int LogRecordCount { get; private set; } |
| 177 | + |
| 178 | + public LogRecordInfo? LastLogRecordInfo { get; private set; } |
| 179 | + |
| 180 | + public bool BeginBatchCalled { get; private set; } |
| 181 | + |
| 182 | + public bool EndBatchCalled { get; private set; } |
| 183 | + |
| 184 | + public bool BeginInstrumentationScopeCalled { get; private set; } |
| 185 | + |
| 186 | + public bool EndInstrumentationScopeCalled { get; private set; } |
| 187 | + |
| 188 | + public override void BeginBatch(Resource resource) |
| 189 | + { |
| 190 | + BeginBatchCalled = true; |
| 191 | + } |
| 192 | + |
| 193 | + public override void EndBatch() |
| 194 | + { |
| 195 | + EndBatchCalled = true; |
| 196 | + } |
| 197 | + |
| 198 | + public override void BeginInstrumentationScope(InstrumentationScope instrumentationScope) |
| 199 | + { |
| 200 | + BeginInstrumentationScopeCalled = true; |
| 201 | + } |
| 202 | + |
| 203 | + public override void EndInstrumentationScope() |
| 204 | + { |
| 205 | + EndInstrumentationScopeCalled = true; |
| 206 | + } |
| 207 | + |
| 208 | + public override void WriteLogRecord(in LogRecord logRecord) |
| 209 | + { |
| 210 | + LogRecordCount++; |
| 211 | + LastLogRecordInfo = logRecord.Info; |
| 212 | + } |
| 213 | + } |
| 214 | +} |
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