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methods::setOldClass("proc_time")
#' List reporter: gather all test results along with elapsed time and
#' file information.
#'
#' This reporter gathers all results, adding additional information such as
#' test elapsed time, and test filename if available. Very useful for reporting.
#'
#' @export
#' @family reporters
ListReporter <- R6::R6Class("ListReporter",
inherit = Reporter,
public = list(
current_start_time = NA,
current_expectations = NULL,
current_file = NULL,
current_context = NULL,
current_test = NULL,
results = NULL,
initialize = function() {
super$initialize()
self$capabilities$parallel_support <- TRUE
self$results <- Stack$new()
},
start_test = function(context, test) {
if (!identical(self$current_context, context) ||
!identical(self$current_test, test)) {
self$current_context <- context
self$current_test <- test
self$current_expectations <- Stack$new()
self$current_start_time <- proc.time()
}
},
add_result = function(context, test, result) {
if (is.null(self$current_expectations)) {
# we received a result outside of a test:
# could be a bare expectation or an exception/error
if (!inherits(result, 'error')) {
return()
}
self$current_expectations <- Stack$new()
}
self$current_expectations$push(result)
},
end_test = function(context, test) {
elapsed <- as.double(proc.time() - self$current_start_time)
results <- list()
if (!is.null(self$current_expectations))
results <- self$current_expectations$as_list()
self$results$push(list(
file = self$current_file %||% NA_character_,
context = context,
test = test,
user = elapsed[1],
system = elapsed[2],
real = elapsed[3],
results = results
))
self$current_expectations <- NULL
},
start_file = function(name) {
self$current_file <- name
},
end_file = function() {
# fallback in case we have errors but no expectations
self$end_context(self$current_file)
},
end_context = function(context) {
results <- self$current_expectations
if (is.null(results)) {
return()
}
self$current_expectations <- NULL
# look for exceptions raised outside of tests
# they happened just before end_context since they interrupt the test_file execution
results <- results$as_list()
if (length(results) == 0) return()
self$results$push(list(
file = self$current_file %||% NA_character_,
context = context,
test = NA_character_,
user = NA_real_,
system = NA_real_,
real = NA_real_,
results = results
))
},
get_results = function() {
testthat_results(self$results$as_list())
}
)
)
#' Create a `testthat_results` object from the test results
#' as stored in the ListReporter results field.
#'
#' @param results a list as stored in ListReporter
#' @return its list argument as a `testthat_results` object
#' @seealso ListReporter
#' @keywords internal
testthat_results <- function(results) {
stopifnot(is.list(results))
structure(results, class = "testthat_results")
}
# return if all tests are successful w/o error
all_passed <- function(res) {
if (length(res) == 0) {
return(TRUE)
}
df <- as.data.frame.testthat_results(res)
sum(df$failed) == 0 && all(!df$error)
}
any_warnings <- function(res) {
if (length(res) == 0) {
return(FALSE)
}
df <- as.data.frame.testthat_results(res)
any(df$warning > 0)
}
#' @export
as.data.frame.testthat_results <- function(x, ...) {
if (length(x) == 0) {
return(
data.frame(
file = character(0), context = character(0), test = character(0),
nb = integer(0), failed = integer(0), skipped = logical(0),
error = logical(0), warning = integer(0),
user = numeric(0), system = numeric(0), real = numeric(0),
passed = integer(0), result = list(),
stringsAsFactors = FALSE
)
)
}
rows <- lapply(x, summarize_one_test_results)
do.call(rbind, rows)
}
summarize_one_test_results <- function(test) {
test_results <- test$results
nb_tests <- length(test_results)
nb_failed <- nb_skipped <- nb_warning <- nb_passed <- 0L
error <- FALSE
if (nb_tests > 0) {
# error reports should be handled differently.
# They may not correspond to an expect_that() test so remove them
last_test <- test_results[[nb_tests]]
error <- expectation_error(last_test)
if (error) {
test_results <- test_results[-nb_tests]
nb_tests <- length(test_results)
}
nb_passed <- sum(vapply(test_results, expectation_success, logical(1)))
nb_skipped <- sum(vapply(test_results, expectation_skip, logical(1)))
nb_failed <- sum(vapply(test_results, expectation_failure, logical(1)))
nb_warning <- sum(vapply(test_results, expectation_warning, logical(1)))
}
context <- if (length(test$context) > 0) test$context else ""
res <- data.frame(
file = test$file, context = context, test = test$test,
nb = nb_tests, failed = nb_failed, skipped = as.logical(nb_skipped),
error = error, warning = nb_warning,
user = test$user, system = test$system, real = test$real,
stringsAsFactors = FALSE
)
# Added at end for backward compatibility
res$passed <- nb_passed
# Cannot easily add list columns in data.frame()
res$result <- list(test_results)
res
}
#' @export
print.testthat_results <- function(x, ...) {
print(as.data.frame(x))
}
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