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78 lines
2.5 KiB
R
78 lines
2.5 KiB
R
context("stacks")
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causeError <- function(full) {
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A <- function() {
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stop("foo")
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}
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B <- function() {
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A()
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}
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C <- reactive({
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B()
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})
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res <- try(captureStackTraces(isolate(renderTable({C()}, server = FALSE)())),
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silent = TRUE)
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cond <- attr(res, "condition", exact = TRUE)
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df <- extractStackTrace(conditionStackTrace(cond), full = full)
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df$loc <- cleanLocs(df$loc)
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# Compensate for this test being called from different call sites;
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# whack the
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df <- head(df, -sys.nframe())
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df$num <- df$num - sys.nframe()
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df
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}
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cleanLocs <- function(locs) {
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locs[!grepl("test-stacks\\.R", locs, perl = TRUE)] <- ""
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sub("^.*#", "", locs)
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}
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dumpTests <- function(df) {
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print(bquote({
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expect_equal(df$num, .(df$num))
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expect_equal(df$call, .(df$call))
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expect_equal(nzchar(df$loc), .(nzchar(df$loc)))
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}))
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}
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test_that("integration tests", {
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df <- causeError(full = FALSE)
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# dumpTests(df)
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expect_equal(df$num, c(31L, 30L, 29L, 18L, 17L, 16L, 15L,
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8L, 7L, 6L, 5L, 4L, 3L, 2L, 1L))
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expect_equal(df$call, c("A", "B", "reactive C", "C", "renderTable",
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"func", "renderTable({ C() }, server = FALSE)", "isolate",
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"withCallingHandlers", "captureStackTraces", "doTryCatch",
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"tryCatchOne", "tryCatchList", "tryCatch", "try"))
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expect_equal(nzchar(df$loc), c(TRUE, TRUE, TRUE, FALSE, TRUE,
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FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE,
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FALSE))
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df <- causeError(full = TRUE)
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# dumpTests(df)
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expect_equal(df$num, c(34L, 33L, 32L, 31L, 30L, 29L, 28L,
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27L, 26L, 25L, 24L, 23L, 22L, 21L, 20L, 19L, 18L, 17L, 16L,
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15L, 14L, 13L, 12L, 11L, 10L, 9L, 8L, 7L, 6L, 5L, 4L, 3L,
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2L, 1L))
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expect_equal(df$call, c("h", ".handleSimpleError", "stop",
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"A", "B", "reactive C", "..stacktraceon..", ".func", "withVisible",
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"withCallingHandlers", "contextFunc", "env$runWith", "withReactiveDomain",
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"ctx$run", "self$.updateValue", "..stacktraceoff..", "C",
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"renderTable", "func", "renderTable({ C() }, server = FALSE)",
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"..stacktraceon..", "contextFunc", "env$runWith", "withReactiveDomain",
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"ctx$run", "..stacktraceoff..", "isolate", "withCallingHandlers",
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"captureStackTraces", "doTryCatch", "tryCatchOne", "tryCatchList",
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"tryCatch", "try"))
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expect_equal(nzchar(df$loc), c(FALSE, FALSE, FALSE, TRUE,
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TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE,
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FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, FALSE, FALSE, FALSE,
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FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE,
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FALSE, FALSE, FALSE))
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})
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