test: gaming-leaderboard iteration-001-python by Copilot · Pull Request #86 · AzureCosmosDB/cosmosdb-agent-kit

Copilot · 2026-03-31T14:33:54Z

Python FastAPI implementation of the gaming-leaderboard scenario with Cosmos DB best practices loaded.

Data Model

Single leaderboard container with /playerId partition key
Type discriminators (player, score) for polymorphic documents
Denormalized player stats (bestScore, averageScore, totalGames) updated on score submission

Key Design Decisions

Ranking: COUNT-based approach (Rule 9.2) — SELECT VALUE COUNT(1) ... WHERE c.bestScore > @score instead of full partition scans
Leaderboard tiebreaking: ORDER BY c.bestScore DESC, c.displayName ASC with matching composite indexes in both directions
TOP clause: Literal integer interpolation with int() cast per Rule 3.8
Player lookups: Point reads via read_item(item=player_id, partition_key=player_id)

Cosmos DB Configuration

Async SDK (azure.cosmos.aio) with aiohttp dependency (Rule 4.15)
Singleton client via FastAPI lifespan context manager (Rule 4.18)
Auto-detect emulator endpoint and disable SSL verification (Rule 4.6)
Composite indexes for (bestScore DESC, displayName ASC) with inverse pair (Rule 5.1); single-property ORDER BY (e.g. timestamp DESC) relies on the default range index

Endpoints

All 10 contract endpoints implemented: health, CRUD players, submit score, global/regional leaderboards, player rank with ±10 neighbors, score history.

Agent-Logs-Url: https://github.com/AzureCosmosDB/cosmosdb-agent-kit/sessions/0d5f60f1-c5e0-4fcd-9a71-3a71979b5b09 Co-authored-by: TheovanKraay <24420698+TheovanKraay@users.noreply.github.com>

github-actions · 2026-03-31T14:50:26Z

[Test] Test Results: gaming-leaderboard / iteration-001-python

Pass rate: 22.3% (21/94 tests passed)

Build & Startup Signals

Build: PASS (exit code: 0)
Startup: PASS

Status	Count
[PASS] Passed	21
[FAIL] Failed	2
[ERR] Errors	70
[SKIP] Skipped	1

Results by Category

Category	Passed	Failed	Skipped
API Contract	10	35	0
Build & Startup	2	0	0
Cosmos DB Infrastructure & SDK	3	9	1
Data Integrity	4	1	0
Robustness	4	27	0

Failures Requiring Evaluation

These failures indicate areas where the generated code does not
conform to the API contract or Cosmos DB best practices.
Each failure should be analyzed to determine if:

A new rule/skill should be added to the agent kit
An existing rule needs to be updated or clarified
The generated code has a bug that the agent should fix
testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGetPlayer::test_get_existing_player

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGetPlayer::test_get_player_has_required_fields

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGetPlayer::test_get_player_stats_updated_after_scores

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestSubmitScore::test_submit_score_returns_201

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestSubmitScore::test_submit_score_response_has_required_fields

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestSubmitScore::test_submit_score_returns_correct_data

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGlobalLeaderboard::test_global_leaderboard_returns_200

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGlobalLeaderboard::test_global_leaderboard_returns_array

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGlobalLeaderboard::test_global_leaderboard_entries_have_required_fields

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGlobalLeaderboard::test_global_leaderboard_sorted_descending

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGlobalLeaderboard::test_global_leaderboard_ranks_sequential

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGlobalLeaderboard::test_global_leaderboard_top_player_is_highest_scorer

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGlobalLeaderboard::test_global_leaderboard_respects_top_parameter

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestRegionalLeaderboard::test_regional_leaderboard_returns_200

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestRegionalLeaderboard::test_regional_leaderboard_only_contains_region_players

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestRegionalLeaderboard::test_regional_leaderboard_sorted_descending

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestRegionalLeaderboard::test_regional_leaderboard_entries_have_required_fields

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestPlayerRank::test_player_rank_returns_200

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestPlayerRank::test_player_rank_has_required_fields

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestPlayerRank::test_player_rank_correct_for_top_player

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestPlayerRank::test_player_rank_neighbors_is_array

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestPlayerRank::test_player_rank_neighbors_have_required_fields

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGetPlayerScores::test_score_history_returns_200

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGetPlayerScores::test_score_history_returns_array

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGetPlayerScores::test_score_history_entries_have_required_fields

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGetPlayerScores::test_score_history_contains_all_player_scores

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGetPlayerScores::test_score_history_ordered_by_most_recent_first

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGetPlayerScores::test_score_history_respects_limit

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestGetPlayerScores::test_score_history_only_shows_own_scores

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestUpdatePlayer::test_update_player_returns_200

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestUpdatePlayer::test_update_player_response_has_required_fields

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestUpdatePlayer::test_update_player_reflects_new_display_name

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestUpdatePlayer::test_update_player_preserves_stats

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestDeletePlayer::test_delete_player_returns_204

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_api_contract.TestDeletePlayer::test_deleted_player_returns_404_on_get

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_cosmos_infrastructure.TestContainerDesign::test_has_multiple_containers_or_synthetic_keys

Failed: Only one container with a simple partition key. Leaderboard systems need different access patterns: player lookup (by playerId) and ranking queries (by leaderboard scope). Use multiple containers or synthetic partition keys like 'global_weekly' or 'US_all-time'. (Rules: partition-synthetic-k
testing-v2.scenarios.gaming-leaderboard.tests.test_cosmos_infrastructure.TestContainerDesign::test_leaderboard_container_uses_synthetic_key

Failed: Leaderboard container 'leaderboard' uses /playerId as partition key. This makes top-N ranking queries cross-partition (expensive). Use a synthetic key like /leaderboardKey = 'global_weekly' so all entries for one leaderboard are in one partition. (Rule: partition-synthetic-keys)
testing-v2.scenarios.gaming-leaderboard.tests.test_cosmos_infrastructure.TestPlayerScoreSerialization::test_scores_stored_as_numbers

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_cosmos_infrastructure.TestPlayerScoreSerialization::test_etag_present_on_player_documents

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_cosmos_infrastructure.TestDocumentStructure::test_documents_have_type_discriminator

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_cosmos_infrastructure.TestDocumentStructure::test_documents_have_schema_version

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_cosmos_infrastructure.TestCrossBoundaryConsistency::test_player_stats_stored_correctly

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_cosmos_infrastructure.TestCrossBoundaryConsistency::test_leaderboard_entries_denormalized

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_cosmos_infrastructure.TestCrossBoundaryConsistency::test_synthetic_partition_key_value_format

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_data_integrity.TestDataPersistence::test_player_document_exists_in_cosmos

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestInvalidInput::test_submit_score_missing_player_id_returns_4xx

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestInvalidInput::test_submit_score_missing_score_returns_4xx

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestInvalidInput::test_submit_score_negative_value_returns_4xx

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestInvalidInput::test_submit_score_for_nonexistent_player_returns_4xx

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestComputedFieldAccuracy::test_average_score_mathematically_correct

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestComputedFieldAccuracy::test_total_games_count_correct

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestComputedFieldAccuracy::test_best_score_is_maximum

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestComputedFieldAccuracy::test_player_with_single_score_stats

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestComputedFieldAccuracy::test_new_score_updates_stats

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestDataTypeCorrectness::test_player_stats_types

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestDataTypeCorrectness::test_leaderboard_entry_types

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestDataTypeCorrectness::test_score_submission_returns_correct_types

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestWriteReadConsistency::test_score_reflected_in_leaderboard

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestWriteReadConsistency::test_regional_filter_matches_stored_region

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestWriteReadConsistency::test_player_rank_score_matches_leaderboard

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestEdgeCases::test_empty_region_leaderboard

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestEdgeCases::test_leaderboard_no_duplicate_players

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestEdgeCases::test_top_parameter_zero_returns_empty

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestEdgeCases::test_top_parameter_one

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestEdgeCases::test_zero_score_submission

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestRapidOperations::test_rapid_score_submissions_all_counted

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestRapidOperations::test_concurrent_score_submissions_all_counted

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestLeaderboardTiebreaking::test_tied_scores_sorted_by_display_name_ascending

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestLeaderboardTiebreaking::test_tied_scores_have_sequential_ranks

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestUpdateDeleteConsistency::test_updated_region_reflected_in_regional_leaderboard

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestUpdateDeleteConsistency::test_deleted_player_removed_from_leaderboard

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

testing-v2.scenarios.gaming-leaderboard.tests.test_robustness.TestUpdateDeleteConsistency::test_deleted_player_scores_not_in_history

failed on setup with "AssertionError: Failed to submit score for player-001: 500 Internal Server Error
assert 500 == 201

where 500 = <Response [500]>.status_code"

github-actions · 2026-03-31T14:50:27Z

❌ Application Startup Failed (python) — attempt 1/3

stderr (last lines):

           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\hostedtoolcache\windows\Python\3.12.10\x64\Lib\site-packages\azure\cosmos\aio\_cosmos_client_connection_async.py", line 826, in Create
    result, last_response_headers = await self.__Post(path, request_params, body, headers, **kwargs)
                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\hostedtoolcache\windows\Python\3.12.10\x64\Lib\site-packages\azure\cosmos\aio\_cosmos_client_connection_async.py", line 1001, in __Post
    return await asynchronous_request.AsynchronousRequest(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\hostedtoolcache\windows\Python\3.12.10\x64\Lib\site-packages\azure\cosmos\aio\_asynchronous_request.py", line 241, in AsynchronousRequest
    return await _retry_utility_async.ExecuteAsync(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\hostedtoolcache\windows\Python\3.12.10\x64\Lib\site-packages\azure\cosmos\aio\_retry_utility_async.py", line 139, in ExecuteAsync
    result = await ExecuteFunctionAsync(function, global_endpoint_manager, *args, **kwargs)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\hostedtoolcache\windows\Python\3.12.10\x64\Lib\site-packages\azure\cosmos\aio\_retry_utility_async.py", line 336, in ExecuteFunctionAsync
    return await function(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\hostedtoolcache\windows\Python\3.12.10\x64\Lib\site-packages\azure\cosmos\aio\_asynchronous_request.py", line 153, in _Request
    raise exceptions.CosmosHttpResponseError(message=data, response=response)
azure.cosmos.exceptions.CosmosHttpResponseError: (BadRequest) Message: {"Errors":["The composite index at 'indexingPolicy.additionalIndexes.composite['2']' must have at least 2 paths."]}

ActivityId: 9eec15e9-2ad3-457a-90df-06315f871981, Request URI: /apps/DocDbApp/services/DocDbMaster0/partitions/780e44f4-38c8-11e6-8106-8cdcd42c33be/replicas/1p/, RequestStats: , SDK: Microsoft.Azure.Documents.Common/2.14.0
Code: BadRequest
Message: Message: {"Errors":["The composite index at 'indexingPolicy.additionalIndexes.composite['2']' must have at least 2 paths."]}

ActivityId: 9eec15e9-2ad3-457a-90df-06315f871981, Request URI: /apps/DocDbApp/services/DocDbMaster0/partitions/780e44f4-38c8-11e6-8106-8cdcd42c33be/replicas/1p/, RequestStats: , SDK: Microsoft.Azure.Documents.Common/2.14.0

ERROR:    Application startup failed. Exiting.
Unclosed client session
client_session: <aiohttp.client.ClientSession object at 0x000001E4DF8AE990>
Unclosed connector
connections: ['deque([(<aiohttp.client_proto.ResponseHandler object at 0x000001E4DFA083B0>, 493.687)])', 'deque([(<aiohttp.client_proto.ResponseHandler object at 0x000001E4DFA08A10>, 494.171)])']
connector: <aiohttp.connector.TCPConnector object at 0x000001E4DF9F2390>

stdout (last lines):

(empty)

Common causes (python):

Missing dependency in requirements.txt
Import error or syntax error in Python code
Cosmos DB connection failure (check SSL certs, endpoint URL, key)
Port already in use or wrong port configuration

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@copilot The application failed to start in CI (attempt 1/3). Fix the code and push to this branch.

**Instructions:**
1. Read the stderr output in the comment above — it contains the actual error
2. Read your generated code in `testing-v2/scenarios/gaming-leaderboard/iterations/iteration-001-python/`
3. Fix the root cause of the startup failure
4. Make sure the application can start and respond to HTTP requests
5. Commit and push the fix to this branch

TheovanKraay · 2026-03-31T14:51:27Z

@copilot The application failed to start in CI (attempt 1/3). Fix the code and push to this branch.

Instructions:

Read the stderr output in the comment above — it contains the actual error
Read your generated code in testing-v2/scenarios/gaming-leaderboard/iterations/iteration-001-python/
Fix the root cause of the startup failure
Make sure the application can start and respond to HTTP requests
Commit and push the fix to this branch

Agent-Logs-Url: https://github.com/AzureCosmosDB/cosmosdb-agent-kit/sessions/c2ea272f-5151-48f4-9061-839d94817c18 Co-authored-by: TheovanKraay <24420698+TheovanKraay@users.noreply.github.com>

Copilot · 2026-03-31T14:53:51Z

@copilot The application failed to start in CI (attempt 1/3). Fix the code and push to this branch.

Instructions:
...

Fixed in 7ecd5a3. The composite indexes at positions 2 and 3 had only single paths (/timestamp), but Cosmos DB requires composite indexes to have at least 2 paths. Removed them — single-property ORDER BY (e.g., ORDER BY c.timestamp DESC) is already served by the default range index (/*).

github-actions · 2026-03-31T14:58:36Z

📋 Deep Evaluation Ready — 21/94 tests passed (22.3%)

CI has finished testing. A deep evaluation is needed to analyze the generated code and produce a thorough ITERATION.md.

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@copilot **Deep evaluation needed.** Test results: 21/94 tests passed (22.3%).

Skills were loaded for this iteration. Perform a thorough code review and update the ITERATION.md that CI created. Follow these steps:

1. Read the generated code (unzip `testing-v2/scenarios/gaming-leaderboard/iterations/iteration-001-python/source-code.zip` if archived, or read files in `testing-v2/scenarios/gaming-leaderboard/iterations/iteration-001-python/`)
2. Read all rules in `skills/cosmosdb-best-practices/AGENTS.md`
3. Read `testing-v2/scenarios/gaming-leaderboard/api-contract.yaml`
4. Read the template at `testing-v2/scenarios/_iteration-template.md` for the expected format
5. Read the test results comment above
6. **Rewrite** `testing-v2/scenarios/gaming-leaderboard/iterations/iteration-001-python/ITERATION.md` with a thorough evaluation:
   - **Data Model** section: analyze container design, embedding vs referencing, document structure, and which model-* rules were applied or missed
   - **Container Configuration**: partition key choices, indexing policies, composite indexes, and which partition-*/index-* rules were applied
   - **Repository Layer**: query patterns, point reads, parameterization, and which query-* rules were applied
   - **SDK Usage**: singleton client, connection mode, ETag handling, diagnostics, and which sdk-* rules were applied
   - **Build Status**: any build issues and fixes
   - **Gaps Identified**: critical, best practice, and knowledge gaps
   - **Recommendations**: high/medium/low priority skill improvements
   - **Score Summary**: per-category scores (Data Model, Partition Key, Indexing, SDK Usage, Query Patterns, Overall) each X/10
7. If any tests failed: classify each failure per `testing-v2/EVALUATE.md`, create new rules if needed (rules must be GENERIC — not scenario-specific; any app hitting the same Cosmos DB pattern should benefit), update `testing-v2/IMPROVEMENTS-LOG.md`, run `npm run build`
8. Commit all changes to this PR branch

github-actions · 2026-03-31T14:58:38Z

❌ Test Failures — 72 of 94 tests failed.

See the test results comment above for detailed failure output.

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Copy the prompt below and post it as a new comment to trigger Copilot to fix the failures.
(Bot-posted @copilot mentions do not trigger the agent — it must come from a user.)

@copilot **72 of 94 tests failed.** Evaluate the test failures and fix the code. Follow the instructions in testing-v2/EVALUATE.md.

**Instructions:**
1. Read the test results comment above for specific failures
2. Read the API contract at `testing-v2/scenarios/gaming-leaderboard/api-contract.yaml`
3. Read the existing rules in `skills/cosmosdb-best-practices/rules/`
4. Classify each failure (contract violation, missing rule, unclear rule, SDK quirk)
5. Fix contract violations directly in the generated code
6. Create new rules if needed, update `testing-v2/IMPROVEMENTS-LOG.md`
7. Run `npm run build` to regenerate AGENTS.md
8. Commit all changes to this PR branch

github-actions · 2026-03-31T15:05:02Z

Closed as part of batch aggregation. Results aggregated in batch #80.

Initial plan

cd56847

Copilot AI assigned Copilot and TheovanKraay Mar 31, 2026

Copilot started work on behalf of TheovanKraay March 31, 2026 14:33 View session

feat: add gaming-leaderboard iteration-001-python implementation

62459fa

Agent-Logs-Url: https://github.com/AzureCosmosDB/cosmosdb-agent-kit/sessions/0d5f60f1-c5e0-4fcd-9a71-3a71979b5b09 Co-authored-by: TheovanKraay <24420698+TheovanKraay@users.noreply.github.com>

Copilot AI changed the title ~~[WIP] Implement gaming leaderboard batch test iteration 1 of 5~~ test: gaming-leaderboard iteration-001-python Mar 31, 2026

Copilot AI requested a review from TheovanKraay March 31, 2026 14:42

Copilot finished work on behalf of TheovanKraay March 31, 2026 14:43

Copilot started work on behalf of TheovanKraay March 31, 2026 14:51 View session

fix: remove single-path composite indexes that cause BadRequest error

7ecd5a3

Agent-Logs-Url: https://github.com/AzureCosmosDB/cosmosdb-agent-kit/sessions/c2ea272f-5151-48f4-9061-839d94817c18 Co-authored-by: TheovanKraay <24420698+TheovanKraay@users.noreply.github.com>

Copilot finished work on behalf of TheovanKraay March 31, 2026 14:55

Evaluate gaming-leaderboard/iteration-001-python [skip ci]

cd8b884

github-actions Bot closed this Mar 31, 2026

github-actions Bot deleted the copilot/test-gaming-leaderboard-batch-80 branch March 31, 2026 15:05

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test: gaming-leaderboard iteration-001-python#86

test: gaming-leaderboard iteration-001-python#86
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Data Model

Key Design Decisions

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[Test] Test Results: gaming-leaderboard / iteration-001-python

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github-actions Bot commented Mar 31, 2026

❌ Application Startup Failed (python) — attempt 1/3

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github-actions Bot commented Mar 31, 2026

📋 Deep Evaluation Ready — 21/94 tests passed (22.3%)

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github-actions Bot commented Mar 31, 2026

❌ Test Failures — 72 of 94 tests failed.

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