How can I structure my test class for validating the behavior of the “aws S3 cp” Command with wildcard usage?

148    Asked by Daminidas in AWS , Asked on Feb 29, 2024

 I am currently managing a large dataset that is stored in an AWS S3 bucket and I need to perform batch copying of files that match a specific pattern. How can I use the “aws S3 cp command” with wildcard for copying files matching the pattern from one S3 bucket to another? 

Answered by Celina Lagunas

 In the context of AWS, for testing the behavior of the “aws S3 cp Command” with wildcard usage, you can create test cases to cover different scenarios. Here is how you can do so:-

Copying all files with a certain Prefix

You can try to use the “aws S3 cp” command with a wildcard to copy files that match a specific Prefix.

  Aws s3 cp s3://source-bucket/prefix* s3://destination-bucket/

Copying files with a specific extension

You can use the “aws S3 cp” Command with a wildcard to copy files with a specific extension.

  Aws s3 cp s3://source-bucket/*.csv s3://destination-bucket/

Ensuring only matching files are copied

You can use the “aws S3 cp” Command with a wildcard to copy files based on the pattern.

  Aws s3 cp s3://source-bucket/prefix* s3://destination-bucket/


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