Nothing
test_that("tokens_subset works in a basic way", {
toks <- tokens(corpus_subset(data_corpus_inaugural, Year > 1980 & Year < 2018))
expect_equal(
ndoc(tokens_subset(toks, Year > 2000)),
5
)
expect_equal(
length(levels(docid(tokens_subset(toks, Year > 2000, drop_docid = TRUE)))),
5
)
expect_equal(
length(levels(docid(tokens_subset(toks, Year > 2000, drop_docid = FALSE)))),
10
)
expect_equal(
docnames(tokens_subset(toks, President == "Clinton")),
c("1993-Clinton", "1997-Clinton")
)
expect_equal(
docnames(tokens_subset(toks, c(TRUE, TRUE, rep(FALSE, 8)))),
c("1981-Reagan", "1985-Reagan")
)
expect_warning(
tokens_subset(toks, Year > 2000, something = 10),
"something argument is not used.", fixed = TRUE
)
})
test_that("tokens_subset works with docvars", {
toks <- tokens(corpus_subset(data_corpus_inaugural, Year > 1900))
expect_equal(
docvars(head(toks, 5))$President,
c("McKinley", "Roosevelt", "Taft", "Wilson", "Wilson")
)
})
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