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test(watch): add comprehensive test suite for SetupAppWatcherWithReconciler and MockController#5538

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adity1raut:TestingWatch5
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test(watch): add comprehensive test suite for SetupAppWatcherWithReconciler and MockController#5538
adity1raut wants to merge 2 commits intofluid-cloudnative:masterfrom
adity1raut:TestingWatch5

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@adity1raut
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…nciler and MockController

Ⅰ. Describe what this PR does

  • test(watch): add comprehensive test suite for SetupAppWatcherWithReconciler and MockController

Ⅱ. Does this pull request fix one issue?

Part of #5407

Ⅲ. List the added test cases (unit test/integration test) if any, please explain if no tests are needed.

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

…nciler and MockController

Signed-off-by: adity1raut <araut7798@gmail.com>
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fluid-e2e-bot bot commented Jan 28, 2026

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign cheyang for approval by writing /assign @cheyang in a comment. For more information see:The Kubernetes Code Review Process.

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Summary of Changes

Hello @adity1raut, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly enhances the test coverage for the application watcher mechanism within the pkg/ctrl/watch package. By introducing a dedicated test suite for SetupAppWatcherWithReconciler and its associated MockController, it ensures the robustness and correct operation of how controllers are set up to watch Kubernetes resources. This enhancement contributes to the overall stability and reliability of the Fluid project's controller logic.

Highlights

  • New Test Suite: Introduced a comprehensive test suite for SetupAppWatcherWithReconciler and MockController.
  • Unit Tests for Watcher Setup: Added unit tests to verify SetupAppWatcherWithReconciler behavior with various controller options, including valid parameters, controller naming, and managed resource watching.
  • Integration Tests for Watcher Setup: Included integration tests for SetupAppWatcherWithReconciler to ensure proper interaction with a controller-runtime manager, covering multiple controller setups and different options.
  • MockController Testing: Implemented and thoroughly tested a MockController to facilitate testing of the watcher setup, verifying its ControllerName, ManagedResource, and Reconcile methods.

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fluid-e2e-bot bot commented Jan 28, 2026

Hi @adity1raut. Thanks for your PR.

I'm waiting for a fluid-cloudnative member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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Code Review

This pull request adds a comprehensive test suite for SetupAppWatcherWithReconciler and its test double, MockController. The tests cover various setup scenarios and the behavior of the mock controller. The overall structure is good, but several test cases have descriptions that don't match their implementation, as they only check for successful execution rather than verifying specific outcomes. I've added comments to suggest renaming these tests for better clarity and accuracy.

Expect(err).NotTo(HaveOccurred())
})

It("should set the reconciler in options", func() {
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medium

This test's description, 'should set the reconciler in options', is not validated by its implementation. The test only checks for successful execution, similar to the test at lines 54-65, making it somewhat redundant. Consider removing this test or renaming it to better reflect its purpose, for example, 'should succeed with non-default options'.

})

Context("when controller name is provided", func() {
It("should use the controller name from the reconciler", func() {
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medium

This test's description, 'should use the controller name from the reconciler', is not validated by its implementation. The test only checks for successful execution. Consider renaming it to more accurately describe what is being tested, for example, 'should succeed when a controller name is provided'.

})

Context("when managed resource is specified", func() {
It("should watch the managed resource type", func() {
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medium

This test's description, 'should watch the managed resource type', is not validated by its implementation. The test only checks for successful execution. Consider renaming it to more accurately describe what is being tested, for example, 'should succeed when a managed resource is specified'.

})

Context("with different controller options", func() {
It("should respect MaxConcurrentReconciles setting", func() {
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medium

This test's description, 'should respect MaxConcurrentReconciles setting', is not validated by its implementation. The test only checks for successful execution. Consider renaming it to more accurately describe what is being tested, for example, 'should succeed with a custom MaxConcurrentReconciles setting'.

Signed-off-by: adity1raut <araut7798@gmail.com>
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