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Tests reference — tests/postman/test_metrics.py

Module of tests/postman, split out because the directory page would be too large.

Prose pending.

tests/postman/test_metrics.py

source · 36 tests · 534 lines

Tests for PostmanMetricsCollector class.

Covers: postman.metrics, postman.types

Kind Name Line Description
class TestPostmanMetricsCollectorInitialization 42 Test PostmanMetricsCollector initialization.
method TestPostmanMetricsCollectorInitialization.test_init_default_parameters 45 Test initialization with default parameters.
method TestPostmanMetricsCollectorInitialization.test_init_custom_namespace_subsystem 60 Test initialization with custom namespace and subsystem.
class TestRecordMessageOperations 76 Test message recording operations.
method TestRecordMessageOperations.test_record_message_sent_increments_counter 79 Test that record_message_sent increments the counter.
method TestRecordMessageOperations.test_record_message_sent_multiple_times 88 Test that record_message_sent increments correctly with multiple calls.
method TestRecordMessageOperations.test_record_message_sent_adds_latency_to_samples 99 Test that record_message_sent adds latency to samples list.
method TestRecordMessageOperations.test_record_message_received_increments_counter 110 Test that record_message_received increments the counter.
method TestRecordMessageOperations.test_record_message_received_multiple_times 119 Test that record_message_received increments correctly with multiple calls.
method TestRecordMessageOperations.test_record_message_failed_increments_counter 130 Test that record_message_failed increments the counter.
method TestRecordMessageOperations.test_record_message_failed_multiple_times 139 Test that record_message_failed increments correctly with multiple calls.
class TestQueueDepthTracking 151 Test queue depth tracking functionality.
method TestQueueDepthTracking.test_record_queue_depth_stores_depth 154 Test that record_queue_depth stores queue depth.
method TestQueueDepthTracking.test_record_queue_depth_multiple_queues 163 Test that record_queue_depth handles multiple queues.
method TestQueueDepthTracking.test_record_queue_depth_updates_existing_queue 176 Test that record_queue_depth updates existing queue depth.
class TestGetSnapshot 187 Test get_snapshot functionality.
method TestGetSnapshot.test_get_snapshot_returns_metrics_snapshot 190 Test that get_snapshot returns a MetricsSnapshot object.
method TestGetSnapshot.test_get_snapshot_with_no_data 198 Test get_snapshot when no metrics have been recorded.
method TestGetSnapshot.test_get_snapshot_with_message_counts 212 Test get_snapshot returns correct message counts.
method TestGetSnapshot.test_get_snapshot_calculates_avg_latency 227 Test get_snapshot calculates average latency correctly.
method TestGetSnapshot.test_get_snapshot_calculates_percentiles 240 Test get_snapshot calculates latency percentiles correctly.
method TestGetSnapshot.test_get_snapshot_includes_queue_depths 256 Test get_snapshot includes queue depths.
method TestGetSnapshot.test_get_snapshot_handles_empty_latency_samples 268 Test get_snapshot handles empty latency samples correctly.
class TestPrometheusExport 280 Test Prometheus export functionality.
method TestPrometheusExport.test_export_prometheus_returns_string 283 Test that export_prometheus returns a string.
method TestPrometheusExport.test_export_prometheus_contains_metrics 291 Test that export_prometheus contains metric definitions.
method TestPrometheusExport.test_export_prometheus_custom_namespace 304 Test export_prometheus with custom namespace.
class TestJSONExport 315 Test JSON export functionality.
method TestJSONExport.test_export_json_returns_dict 318 Test that export_json returns a dictionary.
method TestJSONExport.test_export_json_contains_all_metrics 326 Test that export_json contains all expected metrics.
method TestJSONExport.test_export_json_correct_values 346 Test that export_json returns correct metric values.
class TestThreadSafety 363 Test thread safety of metrics collection.
method TestThreadSafety.test_concurrent_message_sent_recording 366 Test concurrent recording of message_sent from multiple threads.
method TestThreadSafety.test_concurrent_mixed_operations 387 Test concurrent mixed operations from multiple threads.
class TestLatencySampleDeque 427 Test latency sample deque behavior.
method TestLatencySampleDeque.test_latency_samples_max_length 430 Test that latency samples are limited to max length (1000).
method TestLatencySampleDeque.test_latency_samples_keeps_recent_values 443 Test that latency samples keeps most recent values when over limit.
class TestEdgeCases 458 Test edge cases and boundary conditions.
method TestEdgeCases.test_zero_latency_value 461 Test handling of zero latency value.
method TestEdgeCases.test_negative_latency_value 470 Test handling of negative latency value (should still record).
method TestEdgeCases.test_zero_queue_depth 484 Test handling of zero queue depth.
method TestEdgeCases.test_very_large_latency_value 493 Test handling of very large latency value.
method TestEdgeCases.test_empty_queue_name 502 Test handling of empty queue name.
method TestEdgeCases.test_special_characters_in_queue_name 515 Test handling of special characters in queue name.
method TestEdgeCases.test_single_latency_sample_percentiles 524 Test percentile calculation with single sample.