# Tests that should not run on CRAN.
test_that("depend graph plotting through command line graphviz (dot)", {
g = inferGraph("ex.R")
#f = tempfile(pattern = "plot", fileext = ".pdf")
f = "ex_plot.pdf"
plotDOT(g, file = f)
expect_true(file.exists(f))
unlink(f)
})
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