context("ggsave") test_that("ggsave", { pm <- ggpairs(iris, 1:2) test_file <- "test.pdf" on.exit({ unlink(test_file) }) expect_true(!file.exists(test_file)) expect_silent({ ggsave(test_file, pm, width = 7, height = 7) }) expect_true(file.exists(test_file)) })