EVOLUTION-MANAGER

Edit File: rprojroot.R

## ------------------------------------------------------------------------ basename(getwd()) ## ------------------------------------------------------------------------ rprojroot::is_r_package ## ------------------------------------------------------------------------ rprojroot::is_rstudio_project ## ------------------------------------------------------------------------ rprojroot::has_file(".git/index") ## ------------------------------------------------------------------------ root <- rprojroot::is_r_package ## ------------------------------------------------------------------------ readLines(root$find_file("DESCRIPTION"), 3) ## ------------------------------------------------------------------------ root_file <- root$make_fix_file() ## ------------------------------------------------------------------------ withr::with_dir( "../..", readLines(root_file("DESCRIPTION"), 3) ) ## ------------------------------------------------------------------------ library(rprojroot) # List all files and directories below the root dir(find_root(has_file("DESCRIPTION"))) ## ---- eval = FALSE------------------------------------------------------- # rel_path_from_vignettes <- "../R/rrmake.R" # rel_path_from_vignettes <- file.path("..", "R", "rrmake.R") ##identical # ## ---- eval = FALSE------------------------------------------------------- # rel_path_from_root <- "R/rrmake.R" # rel_path_from_root <- file.path("R", "rrmake.R") ##identical ## ------------------------------------------------------------------------ has_file("DESCRIPTION") ## ------------------------------------------------------------------------ # Specify a path/to/file relative to the root rel_path_from_root <- find_root_file("R", "rrmake.R", criterion = has_file("DESCRIPTION")) ## ---- eval = FALSE------------------------------------------------------- # rel_path_from_testthat <- "../../R/rrmake.R" ## ------------------------------------------------------------------------ # Specify a path/to/file relative to the root rel_path_from_root <- find_root_file("R", "rrmake.R", criterion = has_file("DESCRIPTION")) ## ------------------------------------------------------------------------ # Specify a path/to/file relative to the root rel_path_from_root <- find_root_file("R", "rrmake.R", criterion = has_file("DESCRIPTION")) # Find a file relative to the root file.exists(rel_path_from_root) ## ------------------------------------------------------------------------ has_file("DESCRIPTION") ## ------------------------------------------------------------------------ as.root_criterion("DESCRIPTION") ## ------------------------------------------------------------------------ criteria ## ------------------------------------------------------------------------ has_license <- has_file("LICENSE") has_license is_projecttemplate_project <- has_file("config/global.dcf", "^version: ") is_projecttemplate_project ## ------------------------------------------------------------------------ is_r_package | is_rstudio_project ## ------------------------------------------------------------------------ # Print first lines of the source for this document head(readLines(find_package_root_file("vignettes", "rprojroot.Rmd"))) ## ------------------------------------------------------------------------ P <- find_package_root_file # Use a shorter alias file.exists(P("vignettes", "rprojroot.Rmd")) ## ----error = TRUE-------------------------------------------------------- # Use the has_license criterion to find the root R <- has_license$find_file R # Our package does not have a LICENSE file, trying to find the root results in an error R() ## ------------------------------------------------------------------------ # Define a function that computes file paths below the current root F <- is_r_package$make_fix_file() F # Show contents of the NAMESPACE file in our project readLines(F("NAMESPACE")) ## ------------------------------------------------------------------------ # Print the size of the namespace file, working directory outside the project withr::with_dir( "../..", file.size(F("NAMESPACE")) ) ## ------------------------------------------------------------------------ is_testthat ## ------------------------------------------------------------------------ dir(is_testthat$find_file("hierarchy", path = is_r_package$find_file())) ## ---- eval = FALSE------------------------------------------------------- # my_fun_run <- do.call(my_fun, my_args) # # testthat::test_that( # "my_fun() returns expected output", # testthat::expect_equal( # my_fun_run, # expected_output # ) # ) ## ---- eval = FALSE------------------------------------------------------- # ## saved to tests/testthat/helper.R # get_my_path <- function(file_name) { # rprojroot::find_testthat_root_file( # "testing_data", filename # ) # } ## ---- eval = FALSE------------------------------------------------------- # ## Find the correct path with your custom rprojroot helper function # path_to_my_args_file <- get_my_path("my_args.Rdata") # # ## Load the input arguments # load(file = path_to_my_args_file) # # ## Run the function with those arguments # my_fun_run <- do.call(my_fun,my_args) # # ## Load the historical expectation with the helper # load(file = get_my_path("expected_output.Rdata")) # # ## Pass all tests and achieve nirvana # testthat::test_that( # "my_fun() returns expected output", # testthat::expect_equal( # my_fun_run, # expected_output # ) # )