context("GScholar")
test_that("Can retrieve by dates, keep incomplete", {
skip_on_cran()
if (httr::http_error("https://scholar.google.com"))
skip("Couldn't connect to GS")
out <- ReadGS(scholar.id = "vqW0UqUAAAAJ", sort.by.date = TRUE,
check.entries = "warn", limit = 1)
expect_is(out, "BibEntry")
expect_equal(length(out), 1L)
})
test_that("check drop incomplete", {
skip_on_cran()
if (httr::http_error("https://scholar.google.com"))
skip("Couldn't connect to GS")
Sys.sleep(3)
## be cautious to not demand warnings as Scholar results sorted by dates
## may update using Leo Breiman should help prevent this from happening
num.dropped <- 0
lim <- 6
frame.number <- sys.nframe()
out <- withCallingHandlers(ReadGS(scholar.id = "mXSv_1UAAAAJ", limit = lim,
sort.by.date = TRUE,
check.entries = "error"),
message = function(w){
if (any(grepl("information for entry", w)))
assign("num.dropped", num.dropped + 1L,
envir = sys.frame(frame.number))
w
})
expect_is(out, "BibEntry")
if (num.dropped > 0)
expect_lt(length(out), lim)
})
test_that("check read by cites", {
skip_on_cran()
if (httr::http_error("https://scholar.google.com"))
skip("Couldn't connect to GS")
Sys.sleep(5)
expect_warning(out <- ReadGS(scholar.id = "CJOHNoQAAAAJ",
check.entries = "warn",
sort.by.date = FALSE, limit = 10),
"Incomplete")
expect_is(out, "BibEntry")
expect_true(!is.null(out[[1L]]$title))
})
test_that("CreateBibKey works with non-ascii characters", {
skip_on_cran()
if (httr::http_error("https://scholar.google.com"))
skip("Couldn't connect to GS")
out <- ReadGS(scholar.id = "KfQwll4AAAAJ", limit = 7, sort.by.date = TRUE)
expect_is(out, "BibEntry")
})
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