test: adding 24 tests for client/errors.py

[didier-durand]

Description

As title says, this PR adds 24 tests for client/errors.py.

They all pass: see test execution capture on laptop below

• Follow the CONTRIBUTING Guide.
• [X ] Make your Pull Request title in the https://www.conventionalcommits.org/ specification.
• [X ] Ensure the tests and linter pass (Run nox -s format from the repository root to format)

Test execution

============================= test session starts ==============================
collecting ... collected 135 items

client/test_client.py::TestA2ACardResolver::test_init_strips_slashes PASSED [  0%]
client/test_client.py::TestA2ACardResolver::test_get_agent_card_success PASSED [  1%]
client/test_client.py::TestA2ACardResolver::test_get_agent_card_http_status_error PASSED [  2%]
client/test_client.py::TestA2ACardResolver::test_get_agent_card_json_decode_error PASSED [  2%]
client/test_client.py::TestA2ACardResolver::test_get_agent_card_request_error PASSED [  3%]
client/test_client.py::TestA2AClient::test_init_with_agent_card PASSED   [  4%]
client/test_client.py::TestA2AClient::test_init_with_url PASSED          [  5%]
client/test_client.py::TestA2AClient::test_init_with_agent_card_and_url_prioritizes_agent_card PASSED [  5%]
client/test_client.py::TestA2AClient::test_init_raises_value_error_if_no_card_or_url PASSED [  6%]
client/test_client.py::TestA2AClient::test_get_client_from_agent_card_url_success PASSED [  7%]
client/test_client.py::TestA2AClient::test_get_client_from_agent_card_url_resolver_error PASSED [  8%]
client/test_client.py::TestA2AClient::test_send_message_success_use_request PASSED [  8%]
client/test_client.py::TestA2AClient::test_send_message_error_response PASSED [  9%]
client/test_client.py::TestA2AClient::test_send_message_streaming_success_request PASSED [ 10%]
client/test_client.py::TestA2AClient::test_get_task_success_use_request PASSED [ 11%]
client/test_client.py::TestA2AClient::test_get_task_error_response PASSED [ 11%]
client/test_client.py::TestA2AClient::test_cancel_task_success_use_request PASSED [ 12%]
client/test_client.py::TestA2AClient::test_cancel_task_error_response PASSED [ 13%]
client/test_errors.py::TestA2AClientError::test_instantiation PASSED     [ 14%]
client/test_errors.py::TestA2AClientError::test_inheritance PASSED       [ 14%]
client/test_errors.py::TestA2AClientHTTPError::test_instantiation PASSED [ 15%]
client/test_errors.py::TestA2AClientHTTPError::test_message_formatting PASSED [ 16%]
client/test_errors.py::TestA2AClientHTTPError::test_inheritance PASSED   [ 17%]
client/test_errors.py::TestA2AClientHTTPError::test_with_empty_message PASSED [ 17%]
client/test_errors.py::TestA2AClientHTTPError::test_with_various_status_codes PASSED [ 18%]
client/test_errors.py::TestA2AClientJSONError::test_instantiation PASSED [ 19%]
client/test_errors.py::TestA2AClientJSONError::test_message_formatting PASSED [ 20%]
client/test_errors.py::TestA2AClientJSONError::test_inheritance PASSED   [ 20%]
client/test_errors.py::TestA2AClientJSONError::test_with_empty_message PASSED [ 21%]
client/test_errors.py::TestA2AClientJSONError::test_with_various_messages PASSED [ 22%]
client/test_errors.py::TestExceptionHierarchy::test_exception_hierarchy PASSED [ 22%]
client/test_errors.py::TestExceptionHierarchy::test_catch_specific_exception PASSED [ 23%]
client/test_errors.py::TestExceptionHierarchy::test_catch_base_exception PASSED [ 24%]
client/test_errors.py::TestExceptionRaising::test_raising_http_error PASSED [ 25%]
client/test_errors.py::TestExceptionRaising::test_raising_json_error PASSED [ 25%]
client/test_errors.py::TestExceptionRaising::test_raising_base_error PASSED [ 26%]
client/test_errors.py::test_http_error_parametrized[400-Bad Request-HTTP Error 400: Bad Request] PASSED [ 27%]
client/test_errors.py::test_http_error_parametrized[404-Not Found-HTTP Error 404: Not Found] PASSED [ 28%]
client/test_errors.py::test_http_error_parametrized[500-Server Error-HTTP Error 500: Server Error] PASSED [ 28%]
client/test_errors.py::test_json_error_parametrized[Missing field-JSON Error: Missing field] PASSED [ 29%]
client/test_errors.py::test_json_error_parametrized[Invalid type-JSON Error: Invalid type] PASSED [ 30%]
client/test_errors.py::test_json_error_parametrized[Parsing failed-JSON Error: Parsing failed] PASSED [ 31%]
server/events/test_event_consumer.py::test_consume_one_task_event PASSED [ 31%]
server/events/test_event_consumer.py::test_consume_one_message_event PASSED [ 32%]
server/events/test_event_consumer.py::test_consume_one_a2a_error_event PASSED [ 33%]
server/events/test_event_consumer.py::test_consume_one_jsonrpc_error_event PASSED [ 34%]
server/events/test_event_consumer.py::test_consume_one_queue_empty PASSED [ 34%]
server/events/test_event_consumer.py::test_consume_all_multiple_events PASSED [ 35%]
server/events/test_event_consumer.py::test_consume_until_message PASSED  [ 36%]
server/events/test_event_consumer.py::test_consume_message_events PASSED [ 37%]
server/events/test_event_queue.py::test_enqueue_and_dequeue_event PASSED [ 37%]
server/events/test_event_queue.py::test_dequeue_event_no_wait PASSED     [ 38%]
server/events/test_event_queue.py::test_dequeue_event_empty_queue_no_wait PASSED [ 39%]
server/events/test_event_queue.py::test_dequeue_event_wait PASSED        [ 40%]
server/events/test_event_queue.py::test_task_done PASSED                 [ 40%]
server/events/test_event_queue.py::test_enqueue_different_event_types PASSED [ 41%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_cancel_task_not_found PASSED [ 42%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_cancel_task_not_supported PASSED [ 42%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_cancel_task_success PASSED [ 43%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_get_task_not_found PASSED [ 44%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_get_task_success PASSED [ 45%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_message_error PASSED [ 45%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_message_new_message_success PASSED [ 46%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_message_new_message_with_existing_task_success PASSED [ 47%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_message_stream_new_message_existing_task_success PASSED [ 48%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_message_stream_new_message_success PASSED [ 48%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_resubscribe_existing_task_success PASSED [ 49%]
server/request_handlers/test_jsonrpc_handler.py::TestJSONRPCtHandler::test_on_resubscribe_no_existing_task_error PASSED [ 50%]
server/tasks/test_inmemory_task_store.py::test_in_memory_task_store_save_and_get PASSED [ 51%]
server/tasks/test_inmemory_task_store.py::test_in_memory_task_store_get_nonexistent PASSED [ 51%]
server/tasks/test_inmemory_task_store.py::test_in_memory_task_store_delete PASSED [ 52%]
server/tasks/test_inmemory_task_store.py::test_in_memory_task_store_delete_nonexistent PASSED [ 53%]
server/tasks/test_task_manager.py::test_get_task_existing PASSED         [ 54%]
server/tasks/test_task_manager.py::test_get_task_nonexistent PASSED      [ 54%]
server/tasks/test_task_manager.py::test_save_task_event_new_task PASSED  [ 55%]
server/tasks/test_task_manager.py::test_save_task_event_status_update PASSED [ 56%]
server/tasks/test_task_manager.py::test_save_task_event_artifact_update PASSED [ 57%]
server/tasks/test_task_manager.py::test_ensure_task_existing PASSED      [ 57%]
server/tasks/test_task_manager.py::test_ensure_task_nonexistent PASSED   [ 58%]
server/tasks/test_task_manager.py::test_init_task_obj PASSED             [ 59%]
server/tasks/test_task_manager.py::test_save_task PASSED                 [ 60%]
server/tasks/test_task_manager.py::test_save_task_event_new_task_no_task_id PASSED [ 60%]
server/tasks/test_task_manager.py::test_get_task_no_task_id PASSED       [ 61%]
server/tasks/test_task_manager.py::test_save_task_event_no_task_existing PASSED [ 62%]
test_types.py::test_agent_authentication_valid PASSED                    [ 62%]
test_types.py::test_agent_authentication_invalid PASSED                  [ 63%]
test_types.py::test_agent_capabilities PASSED                            [ 64%]
test_types.py::test_agent_provider PASSED                                [ 65%]
test_types.py::test_agent_skill_valid PASSED                             [ 65%]
test_types.py::test_agent_skill_invalid PASSED                           [ 66%]
test_types.py::test_agent_card_valid PASSED                              [ 67%]
test_types.py::test_agent_card_invalid PASSED                            [ 68%]
test_types.py::test_text_part PASSED                                     [ 68%]
test_types.py::test_file_part_variants PASSED                            [ 69%]
test_types.py::test_data_part PASSED                                     [ 70%]
test_types.py::test_part_root_model PASSED                               [ 71%]
test_types.py::test_message PASSED                                       [ 71%]
test_types.py::test_task_status PASSED                                   [ 72%]
test_types.py::test_task PASSED                                          [ 73%]
test_types.py::test_jsonrpc_error PASSED                                 [ 74%]
test_types.py::test_jsonrpc_request PASSED                               [ 74%]
test_types.py::test_jsonrpc_error_response PASSED                        [ 75%]
test_types.py::test_jsonrpc_response_root_model PASSED                   [ 76%]
test_types.py::test_send_message_request PASSED                          [ 77%]
test_types.py::test_send_subscribe_request PASSED                        [ 77%]
test_types.py::test_get_task_request PASSED                              [ 78%]
test_types.py::test_cancel_task_request PASSED                           [ 79%]
test_types.py::test_get_task_response PASSED                             [ 80%]
test_types.py::test_send_message_response PASSED                         [ 80%]
test_types.py::test_cancel_task_response PASSED                          [ 81%]
test_types.py::test_send_message_streaming_status_update_response PASSED [ 82%]
test_types.py::test_send_message_streaming_artifact_update_response PASSED [ 82%]
test_types.py::test_set_task_push_notification_response PASSED           [ 83%]
test_types.py::test_get_task_push_notification_response PASSED           [ 84%]
test_types.py::test_a2a_request_root_model PASSED                        [ 85%]
test_types.py::test_content_type_not_supported_error PASSED              [ 85%]
test_types.py::test_task_not_found_error PASSED                          [ 86%]
test_types.py::test_push_notification_not_supported_error PASSED         [ 87%]
test_types.py::test_internal_error PASSED                                [ 88%]
test_types.py::test_invalid_params_error PASSED                          [ 88%]
test_types.py::test_invalid_request_error PASSED                         [ 89%]
test_types.py::test_json_parse_error PASSED                              [ 90%]
test_types.py::test_method_not_found_error PASSED                        [ 91%]
test_types.py::test_task_not_cancelable_error PASSED                     [ 91%]
test_types.py::test_unsupported_operation_error PASSED                   [ 92%]
test_types.py::test_task_id_params_valid PASSED                          [ 93%]
test_types.py::test_task_id_params_invalid PASSED                        [ 94%]
test_types.py::test_task_push_notification_config PASSED                 [ 94%]
test_types.py::test_jsonrpc_message_valid PASSED                         [ 95%]
test_types.py::test_jsonrpc_message_invalid PASSED                       [ 96%]
test_types.py::test_file_base_valid PASSED                               [ 97%]
test_types.py::test_file_base_invalid PASSED                             [ 97%]
test_types.py::test_part_base_valid PASSED                               [ 98%]
test_types.py::test_part_base_invalid PASSED                             [ 99%]
test_types.py::test_a2a_error_validation_and_serialization PASSED        [100%]

[didier-durand]

Thanks for merging this PR.
Didier