context("test others:")
suppressMessages(library("magrittr"))
test_that("test-others.r", {
test_demagrittr <- function(expr, eager = TRUE, lazy = TRUE, promise = TRUE) {
stopifnot(is.call(expr))
pipes <- c("%>%", "%T>%", "%$%", "%<>%")
mode_eager <- demagrittr(expr, FALSE, mode = "eager")
mode_lazy <- demagrittr(expr, FALSE, mode = "lazy")
mode_promise <- demagrittr(expr, FALSE, mode = "promise")
if (eager) {
expect_identical(eval(expr), eval(mode_eager))
expect_false(any(all.names(mode_eager) %in% pipes))
}
if (lazy) {
expect_identical(eval(expr), eval(mode_lazy))
expect_false(any(all.names(mode_lazy) %in% pipes))
}
if (promise) {
expect_identical(eval(expr), eval(mode_promise))
expect_false(any(all.names(mode_promise) %in% pipes))
}
}
e1 <- quote(1 %>% (. %>% exp)())
test_demagrittr(e1)
e2 <- quote(print %>% .())
#test_demagrittr(e2)
out_regexp <- 'function \\(x, \\.\\.\\.\\) \nUseMethod\\(\\"print\\"\\)'
expect_output(str(eval(demagrittr(e2, FALSE, mode = "eager"))), out_regexp)
expect_output(str(eval(demagrittr(e2, FALSE, mode = "lazy"))), out_regexp)
expect_output(str(eval(demagrittr(e2, FALSE, mode = "promise"))), out_regexp)
})
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