OpenSearch/rest-api-spec/test/mget/20_fields.yaml

---
"Fields":

  - do:
      index:
          index:  test_1
          type:   test
          id:     1
          body:   { foo: bar }

  - do:
      cluster.health:
          wait_for_status: yellow

  - do:
      mget:
        index: test_1
        type:  test
        body:
          docs:
            - { _id: 1                         }
            - { _id: 1, fields: foo            }
            - { _id: 1, fields: [foo]          }
            - { _id: 1, fields: [foo, _source] }

  - is_false: docs.0.fields
  - match:  { docs.0._source: { foo: bar }}

  - match:  { docs.1.fields.foo: [bar] }
  - is_false: docs.1._source

  - match:  { docs.2.fields.foo: [bar] }
  - is_false: docs.2._source

  - match:  { docs.3.fields.foo: [bar] }
  - match:  { docs.3._source: { foo: bar }}

  - do:
      mget:
        index: test_1
        type:  test
        fields: foo
        body:
          docs:
            - { _id: 1                         }
            - { _id: 1, fields: foo            }
            - { _id: 1, fields: [foo]          }
            - { _id: 1, fields: [foo, _source] }

  - match:  { docs.0.fields.foo: [bar] }
  - is_false: docs.0._source

  - match:  { docs.1.fields.foo: [bar] }
  - is_false: docs.1._source

  - match:  { docs.2.fields.foo: [bar] }
  - is_false: docs.2._source

  - match:  { docs.3.fields.foo: [bar] }
  - match:  { docs.3._source: { foo: bar }}

  - do:
      mget:
        index:  test_1
        type:   test
        fields: [foo]
        body:
          docs:
            - { _id: 1                         }
            - { _id: 1, fields: foo            }
            - { _id: 1, fields: [foo]          }
            - { _id: 1, fields: [foo, _source] }

  - match:  { docs.0.fields.foo: [bar] }
  - is_false: docs.0._source

  - match:  { docs.1.fields.foo: [bar] }
  - is_false: docs.1._source

  - match:  { docs.2.fields.foo: [bar] }
  - is_false: docs.2._source

  - match:  { docs.3.fields.foo: [bar] }
  - match:  { docs.3._source: { foo: bar }}

  - do:
      mget:
        index:  test_1
        type:   test
        fields: [foo, _source]
        body:
          docs:
            - { _id: 1                         }
            - { _id: 1, fields: foo            }
            - { _id: 1, fields: [foo]          }
            - { _id: 1, fields: [foo, _source] }

  - match:  { docs.0.fields.foo: [bar] }
  - match:  { docs.0._source: { foo: bar }}

  - match:  { docs.1.fields.foo: [bar] }
  - is_false: docs.1._source

  - match:  { docs.2.fields.foo: [bar] }
  - is_false: docs.2._source

  - match:  { docs.3.fields.foo: [bar] }
  - match:  { docs.3._source: { foo: bar }}