kibana/docs/developer/contributing/development-tests.asciidoc
Gerard Soldevila 5acb5506ac
[8.x] SKA: Relocate "platform" packages that remain on /packages (#208704) (#212474)
# Backport

This will backport the following commits from `main` to `8.x`:
- [SKA: Relocate "platform" packages that remain on `/packages`
(#208704)](https://github.com/elastic/kibana/pull/208704)

<!--- Backport version: 9.6.6 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sorenlouv/backport)

<!--BACKPORT [{"author":{"name":"Gerard
Soldevila","email":"gerard.soldevila@elastic.co"},"sourceCommit":{"committedDate":"2025-02-24T11:03:30Z","message":"SKA:
Relocate \"platform\" packages that remain on `/packages`
(#208704)\n\n## Summary\n\nThe `/packages` folder at the root of the
Kibana repository used to\ncontain a lot of packages.\nIn the context of
SKA, they have been gradually moved to various\nlocations:\n*
`src/platform/packages`\n* `x-pack/platform/packages`\n*
`src/core/packages`\n\nCurrently, only `devOnly: true` packages are left
in this folder. This\ncomprises libraries for CLI scripts as well as
testing utilities.\n\nWith this PR, we are moving ~half of these
packages under\n`src/platform/packages/(private|shared)/`.\nIn
particular, we are moving those packages that are being used
from\nplatform and/or solutions.\n\nSince they are `\"devOnly\": true`,
this means they are ONLY used from\ntests, cypress tests, storybook
configs, ./scripts/ folders inside some\nmodules, or other non-prod-time
logic. Nonetheless, they are effectively\nreferenced from platform
and/or solutions code, hence I decided they\nshould be placed under
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Relocate \"platform\" packages that remain on
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Relocate \"platform\" packages that remain on `/packages`
(#208704)\n\n## Summary\n\nThe `/packages` folder at the root of the
Kibana repository used to\ncontain a lot of packages.\nIn the context of
SKA, they have been gradually moved to various\nlocations:\n*
`src/platform/packages`\n* `x-pack/platform/packages`\n*
`src/core/packages`\n\nCurrently, only `devOnly: true` packages are left
in this folder. This\ncomprises libraries for CLI scripts as well as
testing utilities.\n\nWith this PR, we are moving ~half of these
packages under\n`src/platform/packages/(private|shared)/`.\nIn
particular, we are moving those packages that are being used
from\nplatform and/or solutions.\n\nSince they are `\"devOnly\": true`,
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configs, ./scripts/ folders inside some\nmodules, or other non-prod-time
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Relocate \"platform\" packages that remain on `/packages`
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configs, ./scripts/ folders inside some\nmodules, or other non-prod-time
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BACKPORT-->

---------

Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>
2025-02-28 10:12:01 +00:00

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[[development-tests]]
== Testing
[discrete]
=== Running specific {kib} tests
The following table outlines possible test file locations and how to
invoke them:
[width="100%",cols="7%,59%,34%",options="header",]
|===
|Test runner |Test location |Runner command (working directory is {kib}
root)
|Jest |`**/*.test.{js,mjs,ts,tsx}`
|`yarn test:jest [test path]`
|Jest (integration) |`**/integration_tests/**/*.test.{js,mjs,ts,tsx}`
|`yarn test:jest_integration [test path]`
|Functional
|`test/**/config.js` `x-pack/test/**/config.js`
|`node scripts/functional_tests_server --config [directory]/config.js` `node scripts/functional_test_runner --config [directory]/config.js --grep=regexp`
|===
Test runner arguments: - Where applicable, the optional arguments
`--grep=regexp` will only run tests or test suites
whose descriptions matches the regular expression. - `[test path]` is
the relative path to the test file.
=== Unit Testing
Kibana primarily uses Jest for unit testing. Each plugin or package defines a `jest.config.js` that extends link:{kib-repo}tree/{branch}/src/platform/packages/shared/kbn-test/jest-preset.js[a preset] provided by the link:{kib-repo}tree/{branch}/src/platform/packages/shared/kbn-test[`@kbn/test`] package. Unless you intend to run all unit tests within the project, it's most efficient to provide the Jest configuration file for the plugin or package you're testing.
[source,bash]
----
yarn jest --config src/platform/plugins/shared/dashboard/jest.config.js
----
A script is available to provide a better user experience when testing while navigating throughout the repository. To run the tests within your current working directory, use `yarn test:jest`. Like the Jest CLI, you can also supply a path to determine which tests to run.
[source,bash]
----
kibana/src/platform/plugins/shared/dashboard/server$ yarn test:jest #or
kibana/src/platform/plugins/shared/dashboard$ yarn test:jest server #or
kibana$ yarn test:jest src/platform/plugins/shared/dashboard/server
----
Any additional options supplied to `test:jest` will be passed onto the Jest CLI with the resulting Jest command always being outputted.
[source,bash]
----
kibana/src/platform/plugins/shared/dashboard/server$ yarn test:jest --coverage
# is equivalent to
yarn jest --coverage --verbose --config /home/tyler/elastic/kibana/src/platform/plugins/shared/dashboard/jest.config.js server
----
You can generate code coverage report for a single plugin.
[source,bash]
----
yarn jest --coverage --config src/platform/plugins/shared/console/jest.config.js
----
Html report is available in target/kibana-coverage/jest/path/to/plugin
[discrete]
=== Running browser automation tests
Check out <<development-functional-tests>> to learn more about how you can run
and develop functional tests for {kib} core and plugins.
You can also look into the {kib-repo}tree/{branch}/scripts/README.md[Scripts README.md]
to learn more about using the node scripts we provide for building
{kib}, running integration tests, and starting up {kib} and
{es} while you develop.
[discrete]
==== More testing information:
* <<development-functional-tests>>
* <<development-unit-tests>>
* <<development-accessibility-tests>>
* <<development-package-tests>>
include::development-functional-tests.asciidoc[leveloffset=+1]
include::development-unit-tests.asciidoc[leveloffset=+1]
include::development-accessibility-tests.asciidoc[leveloffset=+1]
include::development-package-tests.asciidoc[leveloffset=+1]
[discrete]
=== Cross-browser compatibility
**Testing IE on OS X**
**Note:** IE11 is not supported from 7.9 onwards.
* http://www.vmware.com/products/fusion/fusion-evaluation.html[Download
VMWare Fusion].
* https://developer.microsoft.com/en-us/microsoft-edge/tools/vms/#downloads[Download
IE virtual machines] for VMWare.
* Open VMWare and go to Window > Virtual Machine Library. Unzip the
virtual machine and drag the .vmx file into your Virtual Machine
Library.
* Right-click on the virtual machine you just added to your library and
select "`Snapshots…`", and then click the "`Take`" button in the modal
that opens. You can roll back to this snapshot when the VM expires in 90
days.
* In System Preferences > Sharing, change your computer name to be
something simple, e.g. "`computer`".
* Run {kib} with `yarn start --host=computer.local` (substituting
your computer name).
* Now you can run your VM, open the browser, and navigate to
`http://computer.local:5601` to test {kib}.
* Alternatively you can use browserstack