tests/testthat/test-msearch.R

In elastic: General Purpose Interface to 'Elasticsearch'

context("msearch")

x <- connect(port = Sys.getenv("TEST_ES_PORT"), warn = FALSE)
load_shakespeare(x)

test_that("basic multi-search works", {
  tf <- tempfile(fileext = ".json")
  cat('{"index" : "shakespeare"}', file = tf, sep = "\n")
  cat('{"query" : {"match_all" : {}}, "from" : 0, "size" : 5}',  sep = "\n",
      file = tf, append = TRUE)
  aa <- msearch(x, tf)

  expect_is(aa, "list")
  if (es_version(x) >= 700) {
    expect_named(aa, c('took', 'responses'))
  } else {
    expect_named(aa, 'responses')
  }
  expect_equal(length(aa$responses), 1)
  expect_is(aa$responses, "list")

  msearch1 <- system.file("examples", "msearch_eg1.json", package = "elastic")
  bb <- msearch(x, msearch1)

  msearch2 <- system.file("examples", "msearch_eg2.json", package = "elastic")
  cc <- msearch(x, msearch2)

  expect_is(bb, "list")
  expect_equal(length(bb$responses), 1)

  expect_is(cc, "list")
  expect_equal(length(cc$responses), 3)
})

test_that("multi-search fails well", {

  ## no index specified
  ff <- tempfile(fileext = ".json")
  cat('{"query" : {"match_all" : {}}, "from" : 0, "size" : 5}',  sep = "\n",
      file = ff, append = TRUE)
  if (es_version(x) >= 700) {
    expect_error(msearch(x, ff), "not supported")
  } else {
    expect_error(msearch(x, ff), "Validation Failed")
  }

  ### same, but complete errors
  x <- connect(port = Sys.getenv("TEST_ES_PORT"), errors = "complete")
  expect_error(msearch(x, ff), 
    "action_request_validation_exception||ActionRequestValidationException")

  ## same as above
  ff <- tempfile(fileext = ".json")
  cat('{}',  sep = "\n", file = ff, append = TRUE)
  expect_error(msearch(x, ff), "Validation Failed")

  ## file does not exist
  expect_error(msearch(x, "asdf"), "file asdf does not exist")
})