elasticsearch/rest-api-spec/test/update/25_script_upsert.yaml

---
"Script upsert":

  - do:
      update:
          index:    test_1
          type:     test
          id:       1
          body:
            script: "ctx._source.foo = bar"
            params: { bar: 'xxx' }
            upsert: { foo: baz }

  - do:
      get:
          index:  test_1
          type:   test
          id:     1

  - match:  { _source.foo: baz }


  - do:
      update:
          index:    test_1
          type:     test
          id:       1
          body:
            script: "ctx._source.foo = bar"
            params: { bar: 'xxx' }
            upsert: { foo: baz }

  - do:
      get:
          index:  test_1
          type:   test
          id:     1

  - match:  { _source.foo: xxx }