# Predicates -------------------------------------------------------------------
.are_disjoint_sets <- function(x, y){
return(length(intersect(x, y)) == 0)
}
.is_subset <- function(x, y){
return(length(setdiff(x, y)) == 0)
}
# Expectations -----------------------------------------------------------------
expect_dir_exists_and_not_empty <- function(path){
expect_dir_exists(path)
expect_gte(length(list.files(path, pattern = ".*.R$")), 1)
}
expect_dir_exists <- function(path) expect_true(dir.exists(path))
expect_dir_does_not_exist <- function(path) expect_false(dir.exists(path))
expect_file_exists <- function(path) expect_true(file.exists(path))
expect_no_md_files <- function(path) expect_length(list.files(path, recursive = TRUE, all.files = TRUE, pattern = ".*.md"), 0)
expect_text_appears_in_document <- function(target, text) expect_true(any(grepl(text, readLines(target))))
# Setup and Teardown -----------------------------------------------------------
.create_temp_folder <- function() dir.create(.get_temp_dir(), showWarnings = FALSE, recursive = TRUE)
.delete_temp_folder <- function() unlink(.get_temp_dir(), recursive = TRUE, force = TRUE)
# Misc -------------------------------------------------------------------------
.delete_and_create_dir <- function(path){
stopifnot(path != .get_projet_dir())
unlink(path, recursive = TRUE)
dir.create(path, showWarnings = FALSE, recursive = TRUE)
return(invisible())
}
.get_temp_dir <- function(){
proj_path <- .get_projet_dir()
path_temp <- file.path(proj_path, "temp")
return(path_temp)
}
.get_projet_dir <- function(){
proj_path <- getwd()
while (length(grep("test", proj_path))>0) proj_path <- dirname(proj_path)
return(proj_path)
}
# Project Environment ----------------------------------------------------------
.delete_temp_project_env <- function() {
try(get("assign")(x = ".project", value = NULL, envir = .GlobalEnv), silent = TRUE)
try(detach(".project", character.only = TRUE), silent = TRUE)
suppressWarnings(rm(.project))
return(invisible())
}
.create_temp_project_env <- function() {
.delete_temp_project_env()
get("assign")(x = ".project", value = new.env(), envir = .GlobalEnv)
get("attach")(.project, name = ".project")
return(invisible())
}
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