docs/2020-02-18_r-packages-testing.md
In 2DegreesInvesting/ds-incubator: Share best practices in coding
2020-02-18: Testing
From https://r-pkgs.org/tests.html
Why?
How?
usethis::use_testthat()
- R/a_function.R
- tests/testthat/test-a_function.R
test_that("a_function ....", {
expect_that(a_)
})
- Hierarchical structure
What
Whenever you are tempted to type something into a print statement or a debugger expression, write it as a test instead. — Martin Fowler
What
- Test what should work
- Test what should fail and how
2DegreesInvesting/ds-incubator documentation built on Oct. 13, 2021, 10:09 a.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
2020-02-18: Testing
From https://r-pkgs.org/tests.html
Why?
How?
usethis::use_testthat()
- R/a_function.R
- tests/testthat/test-a_function.R
test_that("a_function ....", {
expect_that(a_)
})
- Hierarchical structure
What
Whenever you are tempted to type something into a print statement or a debugger expression, write it as a test instead. — Martin Fowler
What
- Test what should work
- Test what should fail and how
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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