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Fix #101 - throw an error if the x argument supplied to vis_dat is not a data.frame #102

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merged 5 commits into from
Nov 28, 2018
Merged

Fix #101 - throw an error if the x argument supplied to vis_dat is not a data.frame #102

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c798f97
Fix #101 - throw an error if the x argument supplied to vis_dat is no…
thisisnic Nov 13, 2018
40519e8
Add test for vis_dat when used on non data.frame object
thisisnic Nov 14, 2018
a0415b3
Use more informative error message and inherits() to test for class o…
thisisnic Nov 14, 2018
874473d
#101 - Rephrase vis_dat error message
thisisnic Nov 16, 2018
5620c8a
#101 Add test_if_dataframe to all functions and add associated tests
thisisnic Nov 22, 2018
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6 changes: 6 additions & 0 deletions R/vis-dat.R
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Expand Up @@ -64,6 +64,12 @@ vis_dat <- function(x,
warn_large_data = TRUE,
large_data_size = 900000) {

# throw error if x not data.frame
if(!(inherits(x, "data.frame"))){
stop("vis_dat requires a data.frame but the object I see has class/es: ",
paste(class(x), collapse = ", "))
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Can you add the option for stop, call. = FALSE, as is done in the naniar function :)

}

# add warning for large data
if (ncol(x) * nrow(x) > large_data_size && warn_large_data){
stop("Data exceeds recommended size for visualisation, please consider
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4 changes: 4 additions & 0 deletions tests/testthat/test-vis-dat.R
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Expand Up @@ -31,3 +31,7 @@ test_that("vis_dat fails when the wrong palette is provided",{
cat(sprintf("FreeType version: %s\n", ver))
expect_error(vis_dat(typical_data, palette = "wat"))
})

test_that("vis_dat fails when an object of the wrong class is provided", {
expect_error(vis_dat(AirPassengers))
})