[BACKLOG-48717] - list & test project support

[abryant-hv]

• add "allLevels" parameter
• add "level" to response database objects in list call
• support Variables in test

[buildguy]

❌ Build failed in 1m 17s

Build command:

mvn clean verify -B -e -Daudit -Djs.no.sandbox -pl api,core

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❗ No tests found!

Errors:

Filtered log (click to expand)

script returned exit code 1

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[Copilot]

Pull request overview

This PR extends the connections REST API to support an allLevels query parameter, adds a level field to connection list results, and introduces variable substitution when testing connections.

Changes:

• Add allLevels query parameter to the list connections endpoint and extend the service method signature accordingly.
• Set a level field on returned connections (currently always "Repository").
• Add variable substitution support for testConnection via a new DatabaseConnectionUtils helper and accompanying tests.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
core/src/main/java/org/pentaho/platform/dataaccess/datasource/wizard/service/impl/ConnectionService.java	Adds variable substitution during testConnection, introduces allLevels in getConnections, and sets level on returned connections.
core/src/main/java/org/pentaho/platform/dataaccess/datasource/utils/DatabaseConnectionUtils.java	New utility to apply Kettle variable substitution across connection fields (including partitions and pooling props).
core/src/test/java/org/pentaho/platform/dataaccess/datasource/wizard/service/impl/ConnectionServiceRestApiTest.java	Adds tests for variable substitution on testConnection and for level being present on list responses.
core/src/test/java/org/pentaho/platform/dataaccess/datasource/utils/DatabaseConnectionUtilsTest.java	New unit tests covering substitution behavior across many connection fields and edge cases.
api/src/main/resources/connection-api.yaml	Documents the new allLevels query parameter and adds the level field to the schema.

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