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#' Multi reporter: combine several reporters in one.
#'
#' This reporter is useful to use several reporters at the same time, e.g.
#' adding a custom reporter without removing the current one.
#'
#' @export
#' @family reporters
MultiReporter <- R6::R6Class("MultiReporter",
inherit = Reporter,
public = list(
reporters = list(),
initialize = function(reporters = list()) {
super$initialize()
self$capabilities$parallel_support <- TRUE
self$reporters <- reporters
},
start_reporter = function() {
o_apply(self$reporters, "start_reporter")
},
start_file = function(filename) {
o_apply(self$reporters, "start_file", filename)
},
start_context = function(context) {
o_apply(self$reporters, "start_context", context)
},
start_test = function(context, test) {
o_apply(self$reporters, "start_test", context, test)
},
add_result = function(context, test, result) {
o_apply(self$reporters, "add_result", context = context, test = test, result = result)
},
end_test = function(context, test) {
o_apply(self$reporters, "end_test", context, test)
},
end_context = function(context) {
o_apply(self$reporters, "end_context", context)
},
end_reporter = function() {
o_apply(self$reporters, "end_reporter")
},
end_file = function() {
o_apply(self$reporters, "end_file")
},
update = function() {
o_apply(self$reporters, "update")
}
)
)
o_apply <- function(objects, method, ...) {
x <- NULL # silence check note
f <- new_function(exprs(x = ), expr(
`$`(x, !!method)(...)
))
lapply(objects, f)
}
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