- Stubbing methods - Verifying calls and returns - Tests involving the file system
For example, when files need to be present for a function we are testing, it would be very cumbersome to create these files manually. Instead testthatsomemore offers helper functions to create a structured set of files:
test_dir <- create_test_files(list(dir1 = list('file1',
file2.r = 'print("Sample R code")'), file3.csv = "a,b,c\n1,2,3"))
with the return value being a test directory containing these structured files.
create_test_files has created an
in the calling environment that will unlink everything in this test directory.
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