Nothing
context("test-filter")
relations <- data.frame(
sets = c(rep("a", 5), "b"),
elements = letters[seq_len(6)],
fuzzy = runif(6)
)
a <- tidySet(relations = relations)
test_that("filter_set works", {
b <- filter_set(a, sets == "b")
expect_equal(nSets(b), 1L)
# Check that it allows to filter and still keeps elements or sets
expect_error(d <- filter_set(a, sets == "c"), NA)
expect_equal(nSets(d), 0)
expect_equal(nElements(d), 6)
expect_error(filter_set(a, elements == "hi"))
})
test_that("filter_element works", {
b <- filter_element(a, elements == "b")
expect_equal(nElements(b), 1L)
expect_error(d <- filter_element(a, elements == "hi"), NA)
expect_equal(nElements(d), 0L)
expect_equal(nElements(d), 0L)
expect_error(filter_element(a, sets == "hi"))
})
test_that("filter_relation works", {
b <- filter_relation(a, sets == "b")
expect_equal(nSets(b), 2L)
# Allow TidySet without relations but elements and sets
expect_error(filter_relation(a, sets == "c"), NA)
})
test_that("filter works", {
b <- filter(a, sets == "b")
expect_equal(nSets(b), 1L)
expect_error(ts <- filter(a, sets == "c"), NA)
expect_equal(nSets(ts), 0L)
expect_equal(nRelations(ts), 0L)
expect_equal(nElements(ts), 0L)
})
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