tests/testthat/test-plot_scatterviolin.R

In grafify: Easy Graphs for Data Visualisation and Linear Models for ANOVA

test_that("Check scatter violin plots", {
  sb1 <- plot_scatterviolin(data_2w_Tdeath, #plotted with grafify
                         Genotype, 
                         PI,
                         TextXAngle = 45,
                         ColPal = "muted",
                         ColRev = T) +
    facet_wrap("Time")
  
  #test key layers and data file
  expect_equal(sb1$data, data_2w_Tdeath)
  expect_s3_class(sb1, "ggplot")
  expect_equal(sb1$theme$text$size, 20)
  #match aesthetics in labels
  expect_match(as.character(rlang::quo_get_expr(sb1$labels$x)), 
               "Genotype")
  expect_match(sb1$labels$y, 
               "PI")
  expect_match(as.character(rlang::quo_get_expr(sb1$labels$fill)), 
               "Genotype")
  #check text angle is passed on
  if (utils::packageVersion("ggplot2") <= "3.4.2") {
    expect_equal(sb1$guides$x$angle, 45)
  } else {
    expect_equal(sb1$guides$x$angle, 45)
  }
})