feat: Add NewListDirectoryPathsPager for azuredatalake

[paulbrittain]

azure-sdk-for-go issue: #23852
other relevant issue: Azure/azure-rest-api-specs#31894

@tanyasethi-msft Please review 🙂

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Thank you for your contribution @paulbrittain! We will review the pull request and get back to you soon.

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[tanyasethi-msft]

/azp run go - azdatalake

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[tanyasethi-msft]

I also ran the live test (unrecorded, which runs live on a storage account) pipeline, and it seems to fail for the new test added. Find the error below -
https://dev.azure.com/azure-sdk/internal/_build/results?buildId=4455746&view=logs&j=30081788-26d0-562e-2814-e633030d4b74&t=d5c76e6b-9ce1-5a1d-ad9d-4395c3c4169b&l=50981

[paulbrittain]

I also ran the live test (unrecorded, which runs live on a storage account) pipeline, and it seems to fail for the new test added. Find the error below - https://dev.azure.com/azure-sdk/internal/_build/results?buildId=4455746&view=logs&j=30081788-26d0-562e-2814-e633030d4b74&t=d5c76e6b-9ce1-5a1d-ad9d-4395c3c4169b&l=50981

I've added more tests to client_test.go.

I took a closer look at the failure: The tests are adding a Test directory inside the Storage container, so when a test adds a dir1 directory, the actual directory list without a prefix is:

Test
Test/dir1

When a prefix of Test is given, as in the newly added TestFilesystemListDeletedPathsWithPrefix and in other ...WithPrefix tests, the directory list should be:

dir1

The expected results have been changed to expect this.

Could you please run the azdatalake pipeline again?

[tanyasethi-msft]

/azp run go - azdatalake

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[tanyasethi-msft]

@paulbrittain ,
Here are the results -
--- FAIL: Test/TestFilesystemListDirectoryPathsContinuation (9.09s)
(Server Failure) - I shall look into this and get back here.
--- PASS: Test/TestFilesystemListDirectoryPathsMaxResults (0.18s)
--- FAIL: Test/TestFilesystemListDirectoryPathsWithPrefix (0.19s)

[tanyasethi-msft]

/azp run go - azdatalake

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[tanyasethi-msft]

I tried to fix the pipeline by making changes to the changelog file, but I do not have access to push to your fork.

This change in changelog file and removal of live test TestFilesystemListDirectoryPathsContinuation will fix the pipeline.

Error in the test from backend -
Line 1858 -> pager := fsClient.NewListDirectoryPathsPager(&opts) [Normal Listing - showonly=directory]
RequestUrl='https://xxx.blob.core.windows.net:443/gofsfilesystemlistdirectorypathscontinuation?comp=list&maxResults=2&restype=container&showonly=directories'
Line 1866 -> pager = fsClient.NewListDeletedPathsPager() [Listing with showonly=deleted with CT from previous Listing, hence fails]