| ## These are tests that require a working Internet connection. |
| ## We attempt to test for that. |
| |
| if(.Platform$OS.type == "unix" && |
| is.null(nsl("cran.r-project.org"))) q() |
| |
| # test do_download (and "record" #{packages}): |
| ap <- available.packages(contrib.url("http://cran.r-project.org")) |
| ## IGNORE_RDIFF_BEGIN |
| nrow(ap) |
| ## IGNORE_RDIFF_END |
| |
| # test url connections on http |
| zz <- url("http://cran.r-project.org/") |
| readLines(zz) |
| close(zz) |
| |
| # and via read.table, test http and ftp. |
| |
| read.table("http://www.stats.ox.ac.uk/pub/datasets/csb/ch11b.dat") |
| read.table("ftp://ftp.stats.ox.ac.uk/pub/datasets/csb/ch11b.dat") |
