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Two e2e tests fail on timing rather than on litellm behaviour. Measured over the last ~35 litellm-e2e / litellm-e2e-ui runs: routerSettings.spec.ts:254 9/35 runs (7 flaky-on-retry, 2 hard failures) test_cost_headers_e2e.py 1/29 runs it appeared in Router fallback control ----------------------- The e2e stack runs replicaCount 2 with proxy_config_reload_interval_seconds 7, and every request is routed independently, so an observation of the new config only proves the replica that served it reloaded. patchRouterSettings returns as soon as /config/update returns, and clearBrokenFallback never waits at all, so a retry's one-shot control assertion could be answered by a sibling replica still holding the previous attempt's fallback. That is exactly the observed pair of errors: "fallback never took effect" on the first attempt and "broken primary unexpectedly succeeded on its own" on the retry. Both assertions now poll for a consecutive streak spanning more than one reload cycle, mirroring the PROPAGATION_TIMEOUT / settle_propagation doctrine the Python suite already applies in e2e_config.py. Cost-header cache read ---------------------- The prime and measure calls fired back to back with no gap, and each retry threw away the prefix it had just paid to prime in favour of a fresh one. OpenAI publishes a primed prefix asynchronously and routes cache lookups by prompt_cache_key, so the test was rerolling the least likely path to a hit. Each round now pins a prompt_cache_key and re-reads the same primed prefix up to CACHE_REREADS times before rotating, so a fresh prefix is spent only after the primed one has genuinely failed to become readable. No production code changes; prompt_cache_key is added to the e2e ChatBody model, which serializes exclude_none and so is inert for every other caller. |
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| .. | ||
| agent_tests | ||
| audio_tests | ||
| base_sdk_tests | ||
| basic_proxy_startup_tests | ||
| batches_tests | ||
| benchmarks | ||
| code_coverage_tests | ||
| documentation_tests | ||
| e2e | ||
| enterprise | ||
| guardrails_tests | ||
| image_gen_tests | ||
| integration | ||
| litellm-proxy-extras | ||
| litellm_utils_tests | ||
| llm_responses_api_testing | ||
| llm_translation | ||
| load_tests | ||
| local_testing | ||
| logging_callback_tests | ||
| mcp_tests | ||
| multi_instance_e2e_tests | ||
| ocr_tests | ||
| openai_endpoints_tests | ||
| otel_tests | ||
| pass_through_tests | ||
| pass_through_unit_tests | ||
| proxy_admin_ui_tests | ||
| proxy_behavior | ||
| proxy_e2e_anthropic_messages_tests | ||
| proxy_migration_tests | ||
| proxy_security_tests | ||
| proxy_unit_tests | ||
| router_unit_tests | ||
| search_tests | ||
| spend_tracking_tests | ||
| store_model_in_db_tests | ||
| test_litellm | ||
| unified_google_tests | ||
| vector_store_tests | ||
| windows_tests | ||
| __init__.py | ||
| _fake_openai_endpoint_server.py | ||
| _flush_vcr_cache.py | ||
| _live_test_helpers.py | ||
| _openai_record_replay_proxy.py | ||
| _vcr_conftest_common.py | ||
| _vcr_redis_persister.py | ||
| _wait_helpers.py | ||
| _ws_vcr.py | ||
| eval_swe_bench.py | ||
| fake_openai_endpoint.py | ||
| gettysburg.wav | ||
| large_text.py | ||
| openai_batch_completions.jsonl | ||
| pyrightconfig.json | ||
| README.MD | ||
| test_anthropic_compaction_usage.py | ||
| test_budget_management.py | ||
| test_callbacks_on_proxy.py | ||
| test_debug_warning.py | ||
| test_default_encoding_non_root.py | ||
| test_end_users.py | ||
| test_fallbacks.py | ||
| test_gpt5_azure_temperature_support.py | ||
| test_health.py | ||
| test_keys.py | ||
| test_litellm_proxy_responses_config.py | ||
| test_logging.conf | ||
| test_models.py | ||
| test_new_vector_store_endpoints.py | ||
| test_openai_endpoints.py | ||
| test_organizations.py | ||
| test_otel_thread_leak.py | ||
| test_presidio_latency.py | ||
| test_proxy_server_non_root.py | ||
| test_ratelimit.py | ||
| test_resource_cleanup.py | ||
| test_service_logger_otel.py | ||
| test_spend_logs.py | ||
| test_team.py | ||
| test_team_logging.py | ||
| test_team_members.py | ||
| test_users.py | ||
In total litellm runs 1000+ tests
[02/20/2025] Update:
To make it easier to contribute and map what behavior is tested,
we've started mapping the litellm directory in tests/test_litellm
This folder can only run mock tests.