--- "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 }