byapparov/tdd

Initial package to kick-off test-driven-development training session

Algorithm Options

String Calculator

Logic: http://osherove.com/tdd-kata-1/

Bowling Game

Rules: http://slocums.homestead.com/gamescore.html

Roman Numbers

Rules: http://www.novaroma.org/via_romana/numbers.html

Set up

1. Clone repository from github:

git clone [email protected]:byapparov/tdd.git

2. Open project in Rstudio

3. Install testthat and devtools packages in Rstudio:

install.packages(c('testthat', 'devtools'))
# choose yes in all prompts

4. Run tests

• Via Rstudio console: devtools::test()
• Via Build -> More -> Test Package (shortcut: ⇧⌘T)

Assertions

Explore functions available in testthat package to check your code:

?expect_equal
?expect_gte
?expect_true
?expect_message