tests/testthat/test-ggseqiplot.R

In ggseqplot: Render Sequence Plots using 'ggplot2'

# Example data come from TraMineR
library(TraMineR)

# actcal data set
data(actcal)

# We use only a sample of 300 cases
set.seed(1)
actcal <- actcal[sample(nrow(actcal), 300), ]
actcal.lab <- c("> 37 hours", "19-36 hours", "1-18 hours", "no work")
actcal.seq <- seqdef(actcal, 13:24, labels = actcal.lab)

group <- actcal$sex

# ex1 using weights
data(ex1)
ex1.seq <- seqdef(ex1, 1:13, weights = ex1$weights)


# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



test_that("arguments are specified correctly (length, type, ...)", {
  expect_error(ggseqiplot(actcal))
  expect_error(ggseqiplot(actcal.seq, weighted = group))
  expect_error(ggseqiplot(actcal.seq, group = group, facet_scale = "something"))
  expect_error(ggseqiplot(actcal.seq, group = group, facet_ncol = 5.5))
  expect_error(ggseqiplot(actcal.seq, group = group, facet_nrow = 5.5))
})

# test_that("Number of unique ids in plot data equals rows in seqdata", {
#   expect_length(unique(ggseqiplot(actcal.seq)$data$idnew),nrow(actcal.seq))
# })

# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


test_that("check if output of ggseqiplot is ggplot", {
  expect_s3_class(ggseqiplot(actcal.seq), "ggplot")
  expect_s3_class(ggseqiplot(actcal.seq, no.n = TRUE), "ggplot")
  expect_s3_class(ggseqiplot(ex1.seq), "ggplot")
  expect_s3_class(ggseqiplot(ex1.seq, group = c(1, 1, 1, 2, 2, 2, 2)), "ggplot")
  expect_s3_class(ggseqiplot(ex1.seq,group = c(1, 1, 1, 2, 2, 2, 2),
                             facet_scale = "fixed"), "ggplot")
  expect_s3_class(ggseqiplot(actcal.seq, border = TRUE), "ggplot")
  expect_s3_class(ggseqiplot(actcal.seq, border = NULL), "ggplot")
  expect_s3_class(ggseqiplot(actcal.seq, group = group, facet_nrow = 2), "ggplot")
  expect_s3_class(ggseqiplot(actcal.seq, weighted = FALSE), "ggplot")
  expect_s3_class(ggseqiplot(actcal.seq, sortv = "from.start"), "ggplot")
  expect_s3_class(ggseqiplot(actcal.seq, sortv = "from.end"), "ggplot")
  expect_s3_class(ggseqiplot(actcal.seq,
                             group = group,
                             facet_scale = "fixed"
  ), "ggplot")
})