README.md

R and testthat

Prerequisites

R:

To check if R is installed already:

$ R --version
R version 3.2.2 (2015-08-14) -- "Fire Safety"

If not, then see R.

testthat test framework:

To download and install see testthat. To quickly check if testthat is installed already, and, if not, to install it, run:

$ install.packages("testthat")

If you get

Warning message:
package testthat is not available (for R version 3.2.2) 

then manually download and install testthat and its dependencies:

$ wget https://cran.r-project.org/src/contrib/testthat_0.10.0.tar.gz
$ wget https://cran.r-project.org/src/contrib/digest_0.6.8.tar.gz
$ wget https://cran.r-project.org/src/contrib/crayon_1.3.1.tar.gz
$ wget https://cran.r-project.org/src/contrib/memoise_0.2.1.tar.gz
$ R CMD INSTALL memoise_0.2.1.tar.gz
$ R CMD INSTALL crayon_1.3.1.tar.gz
$ R CMD INSTALL digest_0.6.8.tar.gz
$ R CMD INSTALL testthat_0.10.0.tar.gz 

Usage

Install:

$ cd ..
$ R CMD check R
$ R CMD INSTALL R 

To install tests too:

$ R CMD INSTALL --install-tests R 

Run:

$ cd R/
$ Rscript exec/fibonacci_client.R 30
fib( 30 ) =  832040 

Run tests:

$ cd tests/
$ Rscript testthat.R
Loading required package: methods
Loading required package: ssi.r.sample
Fibonacci tests : .....

DONE 

Run tests within R:

$ R
> library(testthat)
> library(ssi.r.sample)
> test_file("tests/testthat/test_fibonacci.R")
Fibonacci tests : .....

DONE 

Run package tests, if tests have been installed:

$ R
> library(testthat)
> test_package("ssi.r.sample")
Fibonacci tests : ....

DONE