library(wand) list( actions.csv = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", actions.txt = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", actions.xlsx = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", test_128_44_jstereo.mp3 = "audio/mp3", test_excel_2000.xls = "application/msword", test_excel_spreadsheet.xml = "application/xml", test_excel_web_archive.mht = "message/rfc822", test_excel.xlsm = "application/zip", test_excel.xlsx = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", test_nocompress.tif = "image/tiff", test_powerpoint.pptm = "application/zip", test_powerpoint.pptx = "application/vnd.openxmlformats-officedocument.presentationml.presentation", test_word_2000.doc = "application/msword", test_word_6.0_95.doc = "application/msword", test_word.docm = "application/zip", test_word.docx = "application/vnd.openxmlformats-officedocument.wordprocessingml.document", test.au = "audio/basic", test.bin = c( "application/mac-binary", "application/macbinary", "application/octet-stream", "application/x-binary", "application/x-macbinary" ), test.bmp = "image/bmp", test.dtd = "application/xml-dtd", test.emf = c("application/x-msmetafile", "image/emf"), test.eps = "application/postscript", test.fli = c("video/flc", "video/fli", "video/x-fli"), test.gif = "image/gif", test.ico = c("image/vnd.microsoft.icon", "image/x-icon"), test.jpg = "image/jpeg", test.mp3 = "audio/mp3", test.odt = "application/vnd.oasis.opendocument.text", test.ogg = c("application/ogg", "audio/ogg"), test.pcx = c( "image/pcx", "image/vnd.zbrush.pcx", "image/x-pcx" ), test.pdf = "application/pdf", test.pl = c( "application/x-perl", "text/plain", "text/x-perl", "text/x-script.perl" ), test.png = "image/png", test.pnm = c( "application/x-portable-anymap", "image/x-portable-anymap" ), test.ppm = "image/x-portable-pixmap", test.ppt = "application/msword", test.ps = "application/postscript", test.psd = "image/photoshop", test.py = c( "text/x-python", "text/x-script.phyton" ), test.rtf = c( "application/rtf", "application/x-rtf", "text/richtext", "text/rtf" ), test.sh = c( "application/x-bsh", "application/x-sh", "application/x-shar", "text/x-script.sh", "text/x-sh" ), test.tar = "application/tar", test.tar.gz = c( "application/gzip", "application/octet-stream", "application/x-compressed", "application/x-gzip" ), test.tga = "image/x-tga", test.txt = "text/plain", test.txt.gz = c( "application/gzip", "application/octet-stream", "application/x-compressed", "application/x-gzip" ), test.wav = "audio/x-wav", test.wmf = c( "application/x-msmetafile", "image/wmf", "windows/metafile" ), test.xcf = "application/x-xcf", test.xml = "application/xml", test.xpm = c( "image/x-xbitmap", "image/x-xpixmap", "image/xpm" ), test.zip = "application/zip" ) -> results fils <- list.files(system.file("extdat", "pass-through", package="wand"), full.names=TRUE) tst <- lapply(fils, get_content_type) names(tst) <- basename(fils) for(n in names(tst)) expect_identical(results[[n]], tst[[n]]) no_guess <- system.file("extdat", "no-guess", "csv.docx", package = "wand") expect_equal(get_content_type(no_guess, guess = FALSE), "???")