context("span")
test_that("span: ranks", {
# without piping
aa1 <- span(ex_hierarchy1, ranks("family", "genus"))
expect_is(aa1, "Hierarchy")
expect_equal(names(aa1$ranklist), c('family', 'genus'))
expect_equal(length(aa1$taxa), 2)
# with piping
aa2 <- ex_hierarchy1 %>% span(ranks("family", "genus"))
expect_is(aa2, "Hierarchy")
expect_equal(names(aa2$ranklist), c('family', 'genus'))
expect_equal(length(aa2$taxa), 2)
expect_equal(aa1, aa2)
# with piping, comma separated entries
aa3 <- ex_hierarchy1 %>% span(ranks("family", "genus"))
expect_is(aa3, "Hierarchy")
expect_equal(names(aa3$ranklist), c('family', 'genus'))
expect_equal(length(aa3$taxa), 2)
})
test_that("span: names", {
# without piping
aa1 <- span(ex_hierarchy1, nms("Poaceae", "Poa"))
expect_is(aa1, "Hierarchy")
expect_equal(names(aa1$ranklist), c('family', 'genus'))
expect_equal(length(aa1$taxa), 2)
# with piping
aa2 <- ex_hierarchy1 %>% span(nms("Poaceae", "Poa"))
expect_is(aa2, "Hierarchy")
expect_equal(names(aa2$ranklist), c('family', 'genus'))
expect_equal(length(aa2$taxa), 2)
expect_equal(aa1, aa2)
# with piping, many entries
aa3 <- ex_hierarchy1 %>% span(nms("Poaceae", "Poa"))
expect_is(aa3, "Hierarchy")
expect_equal(names(aa3$ranklist), c('family', 'genus'))
expect_equal(length(aa3$taxa), 2)
})
test_that("span: ids", {
# without piping
aa1 <- span(ex_hierarchy1, ids(4479, 4544))
expect_is(aa1, "Hierarchy")
expect_equal(names(aa1$ranklist), c('family', 'genus'))
expect_equal(length(aa1$taxa), 2)
# with piping
aa2 <- ex_hierarchy1 %>% span(ids(4479, 4544))
expect_is(aa2, "Hierarchy")
expect_equal(names(aa2$ranklist), c('family', 'genus'))
expect_equal(length(aa2$taxa), 2)
expect_equal(aa1, aa2)
# with piping, comma separated entries
aa3 <- ex_hierarchy1 %>% span(ids(4479, 4544))
expect_is(aa3, "Hierarchy")
expect_equal(names(aa3$ranklist), c('family', 'genus'))
expect_equal(length(aa3$taxa), 2)
})
test_that("no variables given to pick - errors", {
expect_error(span(ex_hierarchy1), "no acceptable selectors passed in")
})
test_that("span fails well", {
expect_error(span(),
"argument \".data\" is missing")
expect_error(span(5),
"no 'span' method for numeric")
expect_error(span("adf", 5),
"no 'span' method for character")
expect_error(span(ex_hierarchy1, ranks("family")),
"if no operator, must pass in 2 names")
})
# FIXME: make bigger hierarchy first
# test_that("span: mixed ranks, names and ids", {
# aa1 <- ex_hierarchy1 %>% span(ranks(family, species), ids(4544))
#
# expect_is(aa1, "Hierarchy")
# expect_equal(names(aa1$ranklist), 'species')
# expect_equal(length(aa1$taxa), 1)
# })
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