setup:
  - do:
      indices.create:
        index: testing
        body:
          settings:
            number_of_replicas: 0
          aliases:
            alias_1:
              "filter" : { "match_all" : {} }


---
"Validate query api":
  - do:
      indices.validate_query:
        q: query string
        index: testing

  - is_true: valid

  - do:
      indices.validate_query:
        q: query string
        index: alias_1

  - is_true: valid

  - do:
      indices.validate_query:
        body:
          query:
            invalid_query: {}

  - is_false: valid
  - is_false: error

  - do:
      indices.validate_query:
        explain: true
        body:
          query:
            invalid_query: {}

  - is_false: valid
  - match: {error: 'org.elasticsearch.common.ParsingException: no [query] registered for [invalid_query]'}

  - do:
      indices.validate_query:
        explain: true

  - is_true: valid
  - match: {_shards.failed: 0}
  - match: {explanations.0.index: 'testing'}
  - match: {explanations.0.explanation: '*:*'}

---
"Validate body without query element":
  - do:
      indices.validate_query:
        body:
          match_all: {}

  - is_false: valid
  - is_false: error

  - do:
      indices.validate_query:
        explain: true
        body:
          match_all: {}

  - is_false: valid
  - match: {error: 'org.elasticsearch.common.ParsingException: request does not support [match_all]'}