[tae898]

The native test hook in bindings/python/tests/conftest.py turned a failed test into a skip when the exception text contained any of about 15 generic markers (assert (None is not None), KeyError: 'flush', DID NOT RAISE KeyboardInterrupt, cause is <class 'NoneType'>, getClass, bridge jar, ...) or when the test name was on a list. Those texts are also what genuine bugs look like, and the hook hid three real regressions in PR #522 today. This PR removes the text and name matching. A native test is now skipped only by an explicit signal: NotOnNativeYet raised by the native code (reported as NOTYET), or an entry in NATIVE_NA_JVM_TESTS with a reason (skipped at collection, reported as NA-JVM: <why>).

Inventory

I ran the full bindings suite (72 files; the 9 NATIVE_NOT_APPLICABLE files are not collected) with ARCADEDB_BACKEND=native against the native-lib/nnext image (engine 26.10.2), with the text matching switched to log-only so every failure showed its real traceback. Before this PR the hook was hiding 154 results (151 by failure text, 3 by test name), 19 more were the explicit NotOnNativeYet skips, and 10 more were listed as NA-JVM by name. After:

category	tests	what happens now
(a) needs the JVM by design	85	listed in NATIVE_NA_JVM_TESTS with a reason, skipped at collection (NA-JVM: ...)
(b) feature missing on purpose	19	unchanged: the native code raises NotOnNativeYet (NOTYET: ...)
(c) was hidden, runs and passes on native	79	no skip: 73 that the hook hid, plus 6 that were listed NA-JVM by name
(d) real native bug	1	xfail(strict=True) naming BACKLOG-bindings.md P-04, red when fixed
(d) real native bug, fixed here	1	P-05, the 6 tests above that were NA-JVM by name run because of it

Final native run on this branch: 998 passed, 85 NA-JVM, 19 NOTYET, 1 xfail (strict), 1 module-level importorskip skip (test_dataframe_ingest.py, polars is not in my venv; CI installs it), 0 failed.

Real bugs found

• P-04 (native, open): the native glue opens its GraphBatch with GraphBatch.builder(db) (native-spike/.../NativeExtras.java:243), which takes no part in the engine's single-batch guard (LocalDatabase.batchStarted, Two concurrent GraphBatch instances on the same database silently lose edges, and nothing prevents them ArcadeData/arcadedb#5666); the JPype path goes through db.batch() and is guarded. Native lets a second db.graph_batch() open while one is open, and two concurrent batches silently lose edges. It was hidden behind the text-matched skip of test_graph_batch_close_refused_in_the_callers_transaction_can_be_retried. The new test_a_second_graph_batch_is_refused_while_one_is_open pins it (xfail strict on native); the old test skips the guard assertion on native only. The fix is a one-line Java glue change plus a native-image rebuild, so it is not in this PR.
• P-05 (native, fixed here): to_java_int_array and to_java_byte_array had no native branch and raised JVMNotRunning on the native wheel, while to_java_float_array returns a float32 ndarray there. They now return an int32 and an int8 ndarray with the same range checks. The sparse-vector SQL tests used jtypes.JArray(jtypes.JInt) directly; they call arcadedb.to_java_int_array now, so the sparse minScore / index-type / neighbours / INT8 rescoring tests run on native (they were hidden skips).
• Not bugs, but tests that over-asserted a JVM detail and now run on both backends: test_resultset_read_errors.py (60 tests asserted __cause__ is a jpype.JException; native has no Java exception object, so it checks the message prefix and that the engine exception class is named in it) and the _is_the_engines_refusal helper in test_graph_batch.py (7 tests).

Reclassified tests

(a) NA-JVM, now listed explicitly with a reason (85 tests, 67 entries)

• test_conversion_fixes.py::test_java_instants_convert_without_losing_microseconds (6): builds a java.* object through JPype
• test_docs_examples.py::test_docs_installation_jvm_examples (1): documents start_jvm() and jvm_kwargs
• test_graph_api.py::test_document_wrap_static_method (1): wraps the Java object behind a result (_java_result)
• test_graph_batch.py::test_graph_batch_create_vertices_keyboard_interrupt_rolls_back (1): patches GraphBatch._create_vertices_json_bulk, the JPype path's bulk call
• test_graph_batch.py::test_graph_batch_outside_the_callers_transactions (1): sets GraphBatch.TEST_BEFORE_VERTEX_COMMIT_HOOK, a Java static, through JPype
• test_graph_batch.py::test_graph_batch_create_vertices_refuses_before_any_commit_attempt (1): sets GraphBatch.TEST_BEFORE_VERTEX_COMMIT_HOOK, a Java static, through JPype
• test_graph_batch.py::test_graph_batch_leaves_the_callers_wal_setting_alone (1): reads the Java database behind the wrapper (db._java_db)
• test_legacy_temporal_implementations.py::test_the_engine_hands_back_the_configured_class_holding_the_utc_instant (2): reads the Java database behind the wrapper (db._java_db)
• test_parameter_binding.py::test_each_parameter_shape_reaches_one_java_overload (1): inspects the Java Database overloads through JPype
• test_parameter_binding.py::test_async_parameters_reach_one_java_overload (1): inspects the Java DatabaseAsyncExecutor overloads through JPype
• test_parameter_binding.py::TestScalarParametersTakeTheShortPath::test_a_java_array_value_is_not_converted_and_binds_as_before (1): builds a Java array through JPype (jpype.JArray)
• test_parameter_binding.py::TestScalarParametersTakeTheShortPath::test_non_scalars_keep_the_general_path (1): counts JPype parameter conversions
• test_parameter_binding.py::TestScalarParametersTakeTheShortPath::test_a_subclass_of_a_scalar_is_not_assumed_to_be_one (1): counts JPype parameter conversions
• test_percall_calls.py::test_float_array_conversion_gives_a_float_array (5): asserts the converted value is a Java float[] (getClass() == "[F")
• test_resultset.py::test_to_dict_one_crossing_matches_the_per_property_path (1): needs the bridge jar's RowAccess class
• test_resultset.py::TestSmallResultsCostOneBridgeCall::test_to_list_makes_one_call_for_a_short_result (1): counts or intercepts the JPype bridge crossings (an internal of the JPype path)
• test_resultset.py::TestSmallResultsCostOneBridgeCall::test_to_list_of_an_empty_result_makes_one_call (1): counts or intercepts the JPype bridge crossings (an internal of the JPype path)
• test_resultset.py::TestSmallResultsCostOneBridgeCall::test_to_json_list_makes_one_call_for_a_short_result (1): counts or intercepts the JPype bridge crossings (an internal of the JPype path)
• test_resultset.py::TestSmallResultsCostOneBridgeCall::test_a_full_batch_still_ends_on_the_next_call (1): counts or intercepts the JPype bridge crossings (an internal of the JPype path)
• test_resultset.py::TestSmallResultsCostOneBridgeCall::test_a_drained_set_reads_as_empty_and_is_not_an_error (1): counts or intercepts the JPype bridge crossings (an internal of the JPype path)
• test_resultset.py::TestSmallResultsCostOneBridgeCall::test_python_does_not_cross_the_bridge_to_close_a_drained_set (1): counts or intercepts the JPype bridge crossings (an internal of the JPype path)
• test_resultset.py::TestSmallResultsCostOneBridgeCall::test_the_bridge_closes_what_it_drains_and_only_that (2): counts or intercepts the JPype bridge crossings (an internal of the JPype path)
• test_run_in_transaction_retry.py::test_every_need_retry_exception_is_retried (4): throws Java exceptions (com.arcadedb.exception.*) from the test
• test_run_in_transaction_retry.py::test_the_budget_is_spent_before_the_conflict_reaches_the_caller (1): throws Java exceptions (com.arcadedb.exception.*) from the test
• test_run_in_transaction_retry.py::test_the_wait_the_refusing_side_asked_for_is_honored (1): throws Java exceptions (com.arcadedb.exception.*) from the test
• test_run_in_transaction_retry.py::test_the_wait_is_capped_by_retry_after_max_wait (1): throws Java exceptions (com.arcadedb.exception.*) from the test
• test_run_in_transaction_retry.py::test_a_block_that_committed_part_of_its_work_is_not_replayed (1): throws a Java ConcurrentModificationException from the test (native: test_run_in_transaction_partial_commit.py)
• test_run_in_transaction_retry.py::test_contended_commits_spend_their_budget_before_failing (1): reads the Java database behind the wrapper (db._java_db)
• test_server_wire_protocols.py::test_wire_listeners_stay_on_loopback_by_default (1): reads the server's GlobalConfiguration through the JVM
• test_server_wire_protocols.py::test_host_applies_to_every_wire_listener (1): reads the server's GlobalConfiguration through the JVM
• test_server_wire_protocols.py::test_a_protocol_host_overrides_the_server_host_for_that_protocol_only (1): reads the server's GlobalConfiguration through the JVM
• test_server_wire_protocols.py::test_the_host_reaches_exactly_the_listener_bind_settings (1): reads the engine's GlobalConfiguration through the JVM
• test_sigint.py::test_ctrl_c_raises_keyboard_interrupt_and_runs_cleanup (1): a Java call blocked in JPype's SIGINT handler (tests: test_ctrl_c_raises_keyboard_interrupt_and_runs_cleanup[java] is flaky (JPype aborts on SIGINT inside Thread.sleep) #179)
• test_sigint.py::test_interrupt_true_keeps_the_jvm_handling_sigint (1): start_jvm(interrupt=True): the JVM handles SIGINT
• test_sql_constraints_and_maintenance.py::test_backup_check_and_rebuild_index_statements (1): sets GlobalConfiguration.SERVER_BACKUP_DIRECTORY through the JVM
• test_transaction_config.py::test_set_wal_flush_is_database_wide (1): reads the Java database behind the wrapper (db._java_db)
• test_type_conversion.py::test_offset_datetime_conversion (1): builds a java.* object through JPype
• test_type_conversion.py::test_scalar_list_crosses_as_one_array_with_the_same_types (1): asserts the converted value is a java.util.ArrayList
• test_type_conversion.py::TestPrimitiveArrayFormats::test_int_array (1): builds a Java array through JPype (jpype.JArray)
• test_type_conversion.py::TestPrimitiveArrayFormats::test_long_array (1): builds a Java array through JPype (jpype.JArray)
• test_typed_rows.py::test_java_values_sql_cannot_produce (1): builds a java.* object through JPype
• test_typed_rows.py::test_value_python_cannot_hold_raises_as_before (1): builds a java.* object through JPype
• test_typed_rows.py::test_object_array_raises_as_before (1): builds a Java array through JPype (jpype.JArray)
• test_typed_rows.py::test_iter_dicts_reads_one_row_at_a_time (1): builds a Java InternalResultSet
• test_typed_rows.py::test_vertex_edges_match_the_engine_iteration (5): the oracle is the Java Vertex.getEdges iteration
• test_typed_rows.py::test_vector_search_hits_match_the_per_hit_path (1): the oracle is the Java vector index (findNeighborsFromVector)
• test_typed_rows.py::test_a_batch_of_wide_rows_ends_at_a_few_megabytes (1): calls the bridge's typed_rows.nextRows on the Java result set
• test_typed_rows.py::test_the_batch_says_whether_the_result_set_is_drained (1): calls the bridge's typed_rows.nextRows on the Java result set
• test_vector.py::TestLSMVectorIndex::test_create_vector_index_with_pq_params (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector.py::TestLSMVectorIndex::test_create_vector_index_with_custom_id_property (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector.py::TestLSMVectorIndex::test_lsm_vector_search_approximate_product (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector.py::TestLSMVectorIndex::test_lsm_vector_search_approximate_typeindex (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector.py::TestLSMVectorIndex::test_lsm_vector_search_looks_up_all_hits_in_one_bridge_call (1): counts or intercepts the JPype bridge crossings (an internal of the JPype path)
• test_vector.py::TestLSMVectorIndex::test_lsm_vector_search_uses_database_rid_conversion (1): intercepts Database.to_java_rid, the JPype path's RID conversion
• test_vector_params_verification.py::TestVectorParams::test_quantization_param (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector_params_verification.py::TestVectorParams::test_store_vectors_in_graph_param (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector_params_verification.py::TestVectorParams::test_encoding_param (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector_params_verification.py::TestVectorParams::test_add_hierarchy_param (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector_params_verification.py::TestVectorParams::test_per_index_cache_params (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector_params_verification.py::TestVectorParams::test_quantization_none (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector_params_verification.py::TestVectorParams::test_quantization_binary (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector_params_verification.py::TestVectorParams::test_quantization_product (1): reads the Java index behind the wrapper (_java_index: getClass, metadata)
• test_vector_params_verification.py::TestVectorParams::test_wrapper_default_matches_engine_default (1): reads the engine default through java.lang.String and GlobalConfiguration
• test_vector_params_verification.py::TestVectorParams::test_omitted_max_connections_reaches_the_index (1): reads the engine default through java.lang.String and GlobalConfiguration
• test_vector_params_verification.py::TestVectorParams::test_jvm_heap_check (1): reads java.lang.Runtime through JPype
• test_vector_sql.py::TestVectorSearchOptionsSql::test_where_map_and_condition (1): picks the expected behaviour by com.arcadedb.Constants.getRawVersion() through JPype
• test_vector_sql.py::TestVectorSearchOptionsSql::test_where_combines_with_filter (1): picks the expected behaviour by com.arcadedb.Constants.getRawVersion() through JPype

(b) NOTYET, unchanged (19 tests)

• test_light_edge_and_view_known_issues.py::test_one_hop_count_over_light_edges_an_older_version_loaded
• test_light_edge_and_view_known_issues.py::test_other_ways_to_count_light_edges_an_older_version_loaded
• test_percall_calls.py::test_a_lone_null_or_lone_java_array_keeps_the_plain_path
• test_percall_calls.py::test_named_scalars_bind_as_the_plain_path_binds_them
• test_percall_calls.py::test_other_values_take_the_plain_path
• test_percall_calls.py::test_positional_scalars_bind_as_the_plain_path_binds_them
• test_vector.py::TestLSMVectorIndex::test_lsm_index_stats
• test_vector.py::TestLSMVectorIndex::test_lsm_vector_search_approximate_returns_k
• test_vector.py::test_warm_up_loads_the_persisted_graph_before_the_first_search
• test_vector_sql.py::TestVectorSQL::test_create_index_with_native_int8_encoding_sql
• test_vector_sql.py::TestVectorSQL::test_create_index_with_rich_metadata_sql
• test_vector_sql.py::TestVectorSearchOptionsSql::test_add_hierarchy_defaults_differ_between_sql_and_python
• test_vector_sql.py::TestVectorSearchOptionsSql::test_graph_build_settings_reach_the_index

(c) hidden before, run and pass on native now (73 tests; plus the 6 to_java_* tests that were NA-JVM by name)

• test_graph_batch.py::test_graph_batch_create_vertices_leaves_the_callers_transaction (3)
• test_graph_batch.py::test_graph_batch_flush_and_close_leave_the_callers_transaction (3)
• test_graph_batch.py::test_graph_batch_close_refused_in_the_callers_transaction_can_be_retried (1)
• test_resultset_read_errors.py::test_the_engine_raises_these_errors_while_rows_are_read (1)
• test_resultset_read_errors.py::test_every_reader_raises_arcadedb_error (52)
• test_resultset_read_errors.py::test_first_raises_arcadedb_error (2)
• test_resultset_read_errors.py::test_one_raises_the_engine_error_not_value_error (4)
• test_resultset_read_errors.py::test_a_command_result_raises_arcadedb_error (1)
• test_sparse_quantization_compact.py::test_sparse_weight_precision_and_compact (2)
• test_sparse_quantization_compact.py::test_int8_scores_are_rescored_to_the_exact_dot_product (1)
• test_vector_sql.py::test_sparse_vector_neighbors_sql (1)
• test_vector_sql.py::test_min_score_drops_low_scores (1)
• test_vector_sql.py::test_index_type_enum_creates_a_sparse_index (1)
• test_conversion_fixes.py::test_to_java_int_array_refuses_values_beyond_32_bits_in_an_array, test_to_java_int_array_keeps_values_that_fit; test_vector.py::test_to_java_byte_array_accepts_bytes_like_fast_paths, test_to_java_int_array, test_to_java_int_array_accepts_numpy_directly, test_to_java_int_array_round_trips_through_a_sparse_vector

What stays the same

• NATIVE_NOT_APPLICABLE and WINDOWS_NOT_APPLICABLE are still literal dicts (parity_wheel.py reads them with ast.literal_eval).
• The native-preview CI gate (parity_wheel.py + the awk gate) fails on any failure, error, crash or timeout and does not fail on NOTYET / NA-JVM / other skips, which it counts by the message prefix. The skips this PR produces keep the NA-JVM: and NOTYET: prefixes, so the counts stay comparable. scripts/check_test_skips.py (main CI, JPype backend) is unaffected: the registry is read only when ARCADEDB_BACKEND=native, and the JPype backend gets no new skips.
• A strict xfail shows up as an other skip in the parity table (junit pytest.xfail) and fails the run with XPASS the moment the bug is fixed.

Checked

• Own branch, native (nnext): the run above. JPype backend, the touched test files plus test_vector.py, test_conversion_fixes.py, test_type_conversion.py: 236 passed.
• PR Native: run_in_transaction takes the commit-count witness from the begin reply (4 -> 3 crossings; failed block 6 -> 4) #522 head (perf/native-tx-crossings, which contains Native: run_in_transaction refuses to replay a block that already committed part of its work (P-03) #527's commit) with this commit cherry-picked (clean, the conftest.py hunks auto-merge): 1011 passed, 85 NA-JVM, 19 NOTYET, 1 xfail, 0 failed. test_interrupt_hygiene.py 16 passed and 1 explicit skipif, test_run_in_transaction_partial_commit.py 3 passed, test_native_tx_crossings.py 11 passed.
• PR Native: run_in_transaction refuses to replay a block that already committed part of its work (P-03) #527 head (fix/p03-native-run-in-tx-partial-commit) with this commit cherry-picked: 1001 passed, 0 failed; test_interrupt_hygiene.py 17 passed, test_run_in_transaction_partial_commit.py 3 passed.

Not covered (named, not hidden)

The 85 NA-JVM tests inspect Java objects directly, so a few of them guard behaviour that native also has and that has no native test yet: the wire-listener loopback default (test_wire_listeners_stay_on_loopback_by_default reads GlobalConfiguration through JPype), the GraphBatch KeyboardInterrupt rollback, the 12 vector-index parameter checks that read _java_index metadata, and the run_in_transaction retry budget on contended commits. Native versions of those need a config / metadata reader on the native side; I did not add them here.

The native image used is nnext (engine 26.10.2), not a fresh build of this branch, and the native-preview workflow itself was not run.

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