[8.11] [ML] Fix Anomaly charts embeddable fails to load if partition value is empty string (#167827) #168273
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…s empty string (elastic#167827) ## Summary Fix elastic#165847. This PR fixes Anomaly charts embeddable failing to load if partition value is an empty string. This bug is caused by invalid kuery string when a field value is empty. Previously, embeddable input was receiving the following kql query `{exampleFieldName}:` if the value is empty. The fix in this PR makes it so it's `{exampleFieldName}:""`. So a new function getEscapedKueryForSelectionInfluencer is added for this specific scenario. Making a new function here instead of updating `escapeKueryForFieldValuePair` because all the other usages of that function are related to opening a URL so it requires a special escape. ### After: https://github.com/elastic/kibana/assets/43350163/f09b207f-1c4c-42a5-aaea-dad50512676c ### Steps to reproduce: - In a data view, create a new runtime field. For this runtime field, set to `keyword` type, and use following script to mimic having an empty field for certain docs. ``` def source = doc['ampersand&name'].value; if (source == "AWE") { emit(""); } else { emit(doc['ampersand&name'].value); } ``` - Create an Anomaly detection using that data view, using the runtime field as a split field or partition field. ### Checklist Delete any items that are not applicable to this PR. - [ ] Any text added follows [EUI's writing guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses sentence case text and includes [i18n support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md) - [ ] [Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html) was added for features that require explanation or tutorials - [x] [Unit or functional tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html) were updated or added to match the most common scenarios - [ ] Any UI touched in this PR is usable by keyboard only (learn more about [keyboard accessibility](https://webaim.org/techniques/keyboard/)) - [ ] Any UI touched in this PR does not create any new axe failures (run axe in browser: [FF](https://addons.mozilla.org/en-US/firefox/addon/axe-devtools/), [Chrome](https://chrome.google.com/webstore/detail/axe-web-accessibility-tes/lhdoppojpmngadmnindnejefpokejbdd?hl=en-US)) - [ ] If a plugin configuration key changed, check if it needs to be allowlisted in the cloud and added to the [docker list](https://github.com/elastic/kibana/blob/main/src/dev/build/tasks/os_packages/docker_generator/resources/base/bin/kibana-docker) - [ ] This renders correctly on smaller devices using a responsive layout. (You can test this [in your browser](https://www.browserstack.com/guide/responsive-testing-on-local-server)) - [ ] This was checked for [cross-browser compatibility](https://www.elastic.co/support/matrix#matrix_browsers) ### Risk Matrix Delete this section if it is not applicable to this PR. Before closing this PR, invite QA, stakeholders, and other developers to identify risks that should be tested prior to the change/feature release. When forming the risk matrix, consider some of the following examples and how they may potentially impact the change: | Risk | Probability | Severity | Mitigation/Notes | |---------------------------|-------------|----------|-------------------------| | Multiple Spaces—unexpected behavior in non-default Kibana Space. | Low | High | Integration tests will verify that all features are still supported in non-default Kibana Space and when user switches between spaces. | | Multiple nodes—Elasticsearch polling might have race conditions when multiple Kibana nodes are polling for the same tasks. | High | Low | Tasks are idempotent, so executing them multiple times will not result in logical error, but will degrade performance. To test for this case we add plenty of unit tests around this logic and document manual testing procedure. | | Code should gracefully handle cases when feature X or plugin Y are disabled. | Medium | High | Unit tests will verify that any feature flag or plugin combination still results in our service operational. | | [See more potential risk examples](https://github.com/elastic/kibana/blob/main/RISK_MATRIX.mdx) | ### For maintainers - [ ] This was checked for breaking API changes and was [labeled appropriately](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process) --------- Co-authored-by: Kibana Machine <[email protected]> (cherry picked from commit ecc9d9f)
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