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[test] Assert CCv2 trigger callback behavior#12691

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bnisco/ccv2-stack-20
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[test] Assert CCv2 trigger callback behavior#12691
sfc-gh-bnisco merged 1 commit intodevelopfrom
bnisco/ccv2-stack-20

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@sfc-gh-bnisco sfc-gh-bnisco commented Oct 3, 2025 •
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Describe your changes

Added comprehensive tests for the bidirectional component trigger widget system to ensure that:

  1. Trigger widget IDs are properly created with internal key prefixes
  2. Trigger widgets are correctly filtered out from session state when accessed by users
  3. Event-specific callbacks fire only for their respective events
  4. The JSON deserializer properly handles various input types including edge cases
  5. Multiple trigger sources (component events and button clicks) can coexist and fire appropriately

These tests verify that the internal trigger mechanism works correctly while remaining invisible to end users, ensuring a clean API surface.

GitHub Issue Link (if applicable)

Testing Plan

  • Unit Tests (Python): Added extensive test cases covering:
    • Trigger ID creation and validation
    • Internal key detection and filtering
    • Event-specific callback firing
    • JSON deserialization for various input types
    • Interaction between multiple trigger sources
    • Session state filtering to exclude internal trigger widgets
    • Edge cases for string handling and whitespace

Contribution License Agreement

By submitting this pull request you agree that all contributions to this project are made under the Apache 2.0 license.

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sfc-gh-bnisco commented Oct 3, 2025 •
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📈 Python coverage change detected

The Python unit test coverage has increased by 0.0100%

  • Current PR: 92.8254% (20057 statements, 1439 missed)
  • Latest develop: 92.8155% (20057 statements, 1441 missed)

✅ Coverage change is within normal range.

Coverage by files
Name Stmts Miss Cover
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streamlit/__main__.py 3 3 0%
streamlit/auth_util.py 100 25 75%
streamlit/cli_util.py 39 6 85%
streamlit/column_config.py 3 0 100%
streamlit/commands/__init__.py 0 0 100%
streamlit/commands/echo.py 54 11 80%
streamlit/commands/execution_control.py 59 10 83%
streamlit/commands/experimental_query_params.py 40 2 95%
streamlit/commands/logo.py 41 6 85%
streamlit/commands/navigation.py 106 2 98%
streamlit/commands/page_config.py 101 4 96%
streamlit/components/__init__.py 0 0 100%
streamlit/components/lib/__init__.py 0 0 100%
streamlit/components/lib/local_component_registry.py 35 2 94%
streamlit/components/types/__init__.py 0 0 100%
streamlit/components/types/base_component_registry.py 14 0 100%
streamlit/components/types/base_custom_component.py 49 6 88%
streamlit/components/v1/__init__.py 5 0 100%
streamlit/components/v1/component_arrow.py 33 8 76%
streamlit/components/v1/component_registry.py 41 3 93%
streamlit/components/v1/components.py 4 4 0%
streamlit/components/v1/custom_component.py 85 7 92%
streamlit/components/v2/__init__.py 24 0 100%
streamlit/components/v2/bidi_component/__init__.py 4 0 100%
streamlit/components/v2/bidi_component/constants.py 5 0 100%
streamlit/components/v2/bidi_component/main.py 109 12 89%
streamlit/components/v2/bidi_component/serialization.py 81 5 94%
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streamlit/components/v2/component_definition_resolver.py 30 0 100%
streamlit/components/v2/component_file_watcher.py 117 9 92%
streamlit/components/v2/component_manager.py 96 16 83%
streamlit/components/v2/component_manifest_handler.py 24 0 100%
streamlit/components/v2/component_path_utils.py 68 5 93%
streamlit/components/v2/component_registry.py 118 8 93%
streamlit/components/v2/get_bidi_component_manager.py 8 1 88%
streamlit/components/v2/manifest_scanner.py 224 25 89%
streamlit/components/v2/presentation.py 84 19 77%
streamlit/components/v2/types.py 8 8 0%
streamlit/config.py 412 12 97%
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streamlit/config_util.py 288 7 98%
streamlit/connections/__init__.py 6 0 100%
streamlit/connections/base_connection.py 45 0 100%
streamlit/connections/snowflake_connection.py 60 13 78%
streamlit/connections/snowpark_connection.py 44 3 93%
streamlit/connections/sql_connection.py 56 6 89%
streamlit/connections/util.py 33 0 100%
streamlit/cursor.py 82 2 98%
streamlit/dataframe_util.py 501 45 91%
streamlit/delta_generator.py 205 6 97%
streamlit/delta_generator_singletons.py 76 8 89%
streamlit/deprecation_util.py 59 4 93%
streamlit/development.py 1 0 100%
streamlit/elements/__init__.py 0 0 100%
streamlit/elements/alert.py 60 0 100%
streamlit/elements/arrow.py 198 15 92%
streamlit/elements/balloons.py 10 0 100%
streamlit/elements/bokeh_chart.py 27 0 100%
streamlit/elements/code.py 20 1 95%
streamlit/elements/deck_gl_json_chart.py 104 10 90%
streamlit/elements/dialog_decorator.py 38 0 100%
streamlit/elements/doc_string.py 227 9 96%
streamlit/elements/empty.py 16 4 75%
streamlit/elements/exception.py 101 10 90%
streamlit/elements/form.py 54 2 96%
streamlit/elements/graphviz_chart.py 35 1 97%
streamlit/elements/heading.py 56 0 100%
streamlit/elements/html.py 48 0 100%
streamlit/elements/iframe.py 29 0 100%
streamlit/elements/image.py 32 0 100%
streamlit/elements/json.py 39 2 95%
streamlit/elements/layouts.py 140 3 98%
streamlit/elements/lib/__init__.py 0 0 100%
streamlit/elements/lib/built_in_chart_utils.py 387 26 93%
streamlit/elements/lib/color_util.py 100 4 96%
streamlit/elements/lib/column_config_utils.py 168 1 99%
streamlit/elements/lib/column_types.py 189 4 98%
streamlit/elements/lib/dialog.py 67 1 99%
streamlit/elements/lib/dicttools.py 39 2 95%
streamlit/elements/lib/file_uploader_utils.py 30 0 100%
streamlit/elements/lib/form_utils.py 26 0 100%
streamlit/elements/lib/image_utils.py 176 21 88%
streamlit/elements/lib/js_number.py 28 3 89%
streamlit/elements/lib/layout_utils.py 109 1 99%
streamlit/elements/lib/mutable_status_container.py 73 4 95%
streamlit/elements/lib/options_selector_utils.py 90 0 100%
streamlit/elements/lib/pandas_styler_utils.py 80 2 98%
streamlit/elements/lib/policies.py 56 1 98%
streamlit/elements/lib/streamlit_plotly_theme.py 49 0 100%
streamlit/elements/lib/subtitle_utils.py 76 13 83%
streamlit/elements/lib/utils.py 76 5 93%
streamlit/elements/map.py 110 1 99%
streamlit/elements/markdown.py 63 2 97%
streamlit/elements/media.py 181 8 96%
streamlit/elements/metric.py 91 0 100%
streamlit/elements/pdf.py 49 2 96%
streamlit/elements/plotly_chart.py 114 4 96%
streamlit/elements/progress.py 36 0 100%
streamlit/elements/pyplot.py 39 2 95%
streamlit/elements/snow.py 10 0 100%
streamlit/elements/space.py 12 0 100%
streamlit/elements/spinner.py 34 0 100%
streamlit/elements/text.py 16 0 100%
streamlit/elements/toast.py 26 0 100%
streamlit/elements/vega_charts.py 226 3 99%
streamlit/elements/widgets/__init__.py 0 0 100%
streamlit/elements/widgets/audio_input.py 68 10 85%
streamlit/elements/widgets/button.py 214 3 99%
streamlit/elements/widgets/button_group.py 161 1 99%
streamlit/elements/widgets/camera_input.py 62 10 84%
streamlit/elements/widgets/chat.py 169 40 76%
streamlit/elements/widgets/checkbox.py 52 0 100%
streamlit/elements/widgets/color_picker.py 56 2 96%
streamlit/elements/widgets/data_editor.py 239 14 94%
streamlit/elements/widgets/file_uploader.py 103 18 83%
streamlit/elements/widgets/multiselect.py 105 4 96%
streamlit/elements/widgets/number_input.py 143 5 97%
streamlit/elements/widgets/radio.py 83 5 94%
streamlit/elements/widgets/select_slider.py 97 0 100%
streamlit/elements/widgets/selectbox.py 91 2 98%
streamlit/elements/widgets/slider.py 241 8 97%
streamlit/elements/widgets/text_widgets.py 130 6 95%
streamlit/elements/widgets/time_widgets.py 248 15 94%
streamlit/elements/write.py 166 30 82%
streamlit/emojis.py 4 0 100%
streamlit/env_util.py 21 3 86%
streamlit/error_util.py 33 2 94%
streamlit/errors.py 188 25 87%
streamlit/external/__init__.py 0 0 100%
streamlit/external/langchain/__init__.py 2 0 100%
streamlit/external/langchain/streamlit_callback_handler.py 141 82 42%
streamlit/file_util.py 84 8 90%
streamlit/git_util.py 100 5 95%
streamlit/logger.py 54 0 100%
streamlit/material_icon_names.py 1 0 100%
streamlit/navigation/__init__.py 0 0 100%
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streamlit/net_util.py 55 3 95%
streamlit/platform.py 10 1 90%
streamlit/runtime/__init__.py 8 0 100%
streamlit/runtime/app_session.py 447 94 79%
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streamlit/runtime/caching/cache_data_api.py 164 3 98%
streamlit/runtime/caching/cache_errors.py 45 4 91%
streamlit/runtime/caching/cache_resource_api.py 122 0 100%
streamlit/runtime/caching/cache_type.py 11 1 91%
streamlit/runtime/caching/cache_utils.py 165 9 95%
streamlit/runtime/caching/cached_message_replay.py 108 1 99%
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streamlit/runtime/caching/legacy_cache_api.py 14 0 100%
streamlit/runtime/caching/storage/__init__.py 2 0 100%
streamlit/runtime/caching/storage/cache_storage_protocol.py 31 2 94%
streamlit/runtime/caching/storage/dummy_cache_storage.py 21 0 100%
streamlit/runtime/caching/storage/in_memory_cache_storage_wrapper.py 60 0 100%
streamlit/runtime/caching/storage/local_disk_cache_storage.py 86 4 95%
streamlit/runtime/connection_factory.py 85 9 89%
streamlit/runtime/context.py 140 0 100%
streamlit/runtime/context_util.py 18 0 100%
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streamlit/runtime/forward_msg_queue.py 63 4 94%
streamlit/runtime/fragment.py 112 2 98%
streamlit/runtime/media_file_manager.py 69 7 90%
streamlit/runtime/media_file_storage.py 15 0 100%
streamlit/runtime/memory_media_file_storage.py 68 0 100%
streamlit/runtime/memory_session_storage.py 15 0 100%
streamlit/runtime/memory_uploaded_file_manager.py 41 1 98%
streamlit/runtime/metrics_util.py 193 12 94%
streamlit/runtime/pages_manager.py 59 2 97%
streamlit/runtime/runtime.py 248 18 93%
streamlit/runtime/runtime_util.py 30 1 97%
streamlit/runtime/script_data.py 16 0 100%
streamlit/runtime/scriptrunner/__init__.py 5 0 100%
streamlit/runtime/scriptrunner/exec_code.py 49 5 90%
streamlit/runtime/scriptrunner/magic.py 83 1 99%
streamlit/runtime/scriptrunner/magic_funcs.py 10 1 90%
streamlit/runtime/scriptrunner/script_cache.py 27 0 100%
streamlit/runtime/scriptrunner/script_runner.py 230 27 88%
streamlit/runtime/scriptrunner_utils/__init__.py 0 0 100%
streamlit/runtime/scriptrunner_utils/exceptions.py 11 1 91%
streamlit/runtime/scriptrunner_utils/script_requests.py 106 5 95%
streamlit/runtime/scriptrunner_utils/script_run_context.py 135 2 99%
streamlit/runtime/secrets.py 242 25 90%
streamlit/runtime/session_manager.py 60 1 98%
streamlit/runtime/state/__init__.py 7 0 100%
streamlit/runtime/state/common.py 52 2 96%
streamlit/runtime/state/presentation.py 19 4 79%
streamlit/runtime/state/query_params.py 110 3 97%
streamlit/runtime/state/query_params_proxy.py 71 0 100%
streamlit/runtime/state/safe_session_state.py 77 11 86%
streamlit/runtime/state/session_state.py 433 29 93%
streamlit/runtime/state/session_state_proxy.py 62 8 87%
streamlit/runtime/state/widgets.py 15 1 93%
streamlit/runtime/stats.py 42 0 100%
streamlit/runtime/theme_util.py 46 1 98%
streamlit/runtime/uploaded_file_manager.py 39 3 92%
streamlit/runtime/websocket_session_manager.py 66 0 100%
streamlit/source_util.py 36 1 97%
streamlit/string_util.py 88 7 92%
streamlit/temporary_directory.py 18 1 94%
streamlit/testing/__init__.py 0 0 100%
streamlit/testing/v1/__init__.py 2 0 100%
streamlit/testing/v1/app_test.py 239 6 97%
streamlit/testing/v1/element_tree.py 1327 87 93%
streamlit/testing/v1/local_script_runner.py 71 2 97%
streamlit/testing/v1/util.py 17 0 100%
streamlit/time_util.py 28 1 96%
streamlit/type_util.py 138 12 91%
streamlit/url_util.py 39 5 87%
streamlit/user_info.py 87 8 91%
streamlit/util.py 38 1 97%
streamlit/version.py 3 0 100%
streamlit/watcher/__init__.py 3 0 100%
streamlit/watcher/event_based_path_watcher.py 181 24 87%
streamlit/watcher/folder_black_list.py 14 1 93%
streamlit/watcher/local_sources_watcher.py 127 9 93%
streamlit/watcher/path_watcher.py 43 3 93%
streamlit/watcher/polling_path_watcher.py 55 2 96%
streamlit/watcher/util.py 49 1 98%
streamlit/web/__init__.py 0 0 100%
streamlit/web/bootstrap.py 138 18 87%
streamlit/web/cache_storage_manager_config.py 5 0 100%
streamlit/web/cli.py 186 17 91%
streamlit/web/server/__init__.py 5 0 100%
streamlit/web/server/app_static_file_handler.py 29 3 90%
streamlit/web/server/authlib_tornado_integration.py 18 1 94%
streamlit/web/server/bidi_component_request_handler.py 65 8 88%
streamlit/web/server/browser_websocket_handler.py 115 31 73%
streamlit/web/server/component_file_utils.py 24 0 100%
streamlit/web/server/component_request_handler.py 55 4 93%
streamlit/web/server/media_file_handler.py 65 9 86%
streamlit/web/server/oauth_authlib_routes.py 118 18 85%
streamlit/web/server/oidc_mixin.py 44 0 100%
streamlit/web/server/routes.py 90 7 92%
streamlit/web/server/server.py 188 11 94%
streamlit/web/server/server_util.py 67 5 93%
streamlit/web/server/stats_request_handler.py 53 4 92%
streamlit/web/server/upload_file_request_handler.py 53 9 83%
streamlit/web/server/websocket_headers.py 19 1 95%
TOTAL 20057 1439 93%

📊 View detailed coverage comparison

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📈 Significant wheel size change detected

The wheel file size has increased by 0.32% (threshold: 0.25%)

  • Current PR: 9859.32 KB
  • Latest develop: 9827.70 KB

Please verify this change is expected.

@sfc-gh-bnisco sfc-gh-bnisco added change:other PR contains other type of change change:refactor PR contains code refactoring without behavior change labels Oct 3, 2025 — with Graphite App
@sfc-gh-bnisco sfc-gh-bnisco removed the change:other PR contains other type of change label Oct 3, 2025
@sfc-gh-bnisco sfc-gh-bnisco added impact:internal PR changes only affect internal code security-assessment-completed labels Oct 3, 2025 — with Graphite App
@sfc-gh-bnisco sfc-gh-bnisco force-pushed the bnisco/ccv2-stack-20 branch 2 times, most recently from 437c691 to b62cadd Compare October 24, 2025 15:48
@sfc-gh-bnisco sfc-gh-bnisco force-pushed the bnisco/ccv2-stack-19 branch 2 times, most recently from 3b1d0dd to 865ccc0 Compare October 24, 2025 18:13
@sfc-gh-bnisco sfc-gh-bnisco force-pushed the bnisco/ccv2-stack-20 branch 2 times, most recently from 6c4ef96 to 8f548f3 Compare October 24, 2025 18:14
@sfc-gh-bnisco sfc-gh-bnisco changed the base branch from bnisco/ccv2-stack-19 to graphite-base/12691 October 24, 2025 18:38
@graphite-app graphite-app bot changed the base branch from graphite-base/12691 to develop October 24, 2025 18:38
@sfc-gh-bnisco sfc-gh-bnisco merged commit c43eab1 into develop Oct 24, 2025
37 checks passed
@sfc-gh-bnisco sfc-gh-bnisco deleted the bnisco/ccv2-stack-20 branch October 24, 2025 19:05
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