tests/testthat/test-ggplot-map.R

test_that("basic geom_map works",  {
  skip_if_not_installed("maps")
  
  crimes <- data.frame(state = tolower(rownames(USArrests)), USArrests)
  crimesm <- tidyr::gather(crimes, variable, value, -state)
  states_map <- map_data("state")
  g <- ggplot(crimesm, aes(map_id = state)) +
    geom_map(aes(fill = value), map = states_map) +
    expand_limits(x = states_map$long, y = states_map$lat) +
    facet_wrap( ~ variable)
  
  l <- expect_doppelganger_built(g, "map-facet")
  expect_true(length(l$data) > 1)
})

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plotly documentation built on Nov. 10, 2022, 5:42 p.m.