OpenSearch/rest-api-spec/test/cat.indices/10_basic.yaml

---
"Test cat indices output":

  - do:
      cat.indices: {}

  - match:
      $body: |
               /^$/

  - do:
      indices.create:
        index: index1
        body:
          settings:
            number_of_shards: "1"
            number_of_replicas: "0"
  - do:
       cluster.health:
         wait_for_status: yellow
  - do:
      cat.indices: {}

  - match:
      $body: |
               /^(green  \s+
                  (open|close) \s+
                  index1 \s+
                  1      \s+
                  0      \s+
                  0      \s+
                  0      \s+
                  (\d+|\d+[.]\d+)(kb|b) \s+
                  (\d+|\d+[.]\d+)(kb|b) \s*
                )
                $/