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srcref_line <- function(code) {
srcref <- attr(substitute(code), "srcref")
if (!is.list(srcref)) {
stop("code doesn't have srcref", call. = FALSE)
}
results <- with_reporter("silent", code)$expectations()
unlist(lapply(results, function(x) x$srcref[1])) - srcref[[1]][1]
}
test_that("line numbers captured for expectations and warnings", {
f <- function() warning("Uh oh")
lines <- srcref_line({
test_that("simple", { # line 1
expect_true(FALSE) # line 2
f() # line 3
})
})
expect_equal(lines, c(2, 3))
})
test_that("line numbers captured when called indirectly", {
lines <- srcref_line({
test_that("simple", { # line 1
f <- function() g() # line 2
g <- function() h() # line 3
h <- function() expect_true(FALSE) # line 4
# line 5
h() # line 6
})
})
expect_equal(lines, 4)
lines <- srcref_line({
f <- function() g() # line 1
g <- function() h() # line 2
h <- function() expect_true(FALSE) # line 3
test_that("simple", { # line 4
h() # line 5
})
})
expect_equal(lines, 5)
})
test_that("line numbers captured inside a loop", {
lines <- srcref_line({
test_that("simple", { # line 1
for (i in 1:4) expect_true(TRUE) # line 2
})
})
expect_equal(lines, rep(2, 4))
})
test_that("line numbers captured for skip()s and stops()", {
lines <- srcref_line({
test_that("simple", { # line 1
skip("Not this time") # line 2
}) # line 3
})
expect_equal(lines, 2)
lines <- srcref_line({
test_that("simple", { # line 1
stop("Not this time") # line 2
}) # line 3
})
expect_equal(lines, 2)
})
test_that("line numbers captured for on.exit()", {
lines <- srcref_line({
test_that("simple", { # line 1
on.exit({stop("Error")}) # line 2
}) # line 3
})
expect_equal(lines, 2)
# Falls back to test if no srcrf
lines <- srcref_line({
test_that("simple", { # line 1
on.exit(stop("Error")) # line 2
}) # line 3
})
expect_equal(lines, 1)
})
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