Nothing
test_that("corpus object builder retains class", {
corp <- corpus(c("a / b", "a / b c", "abc"),
docvars = data.frame(dv = 11:13),
meta = list(mymeta = "Test meta"))
class(corp) <- c("myclass", class(corp))
expect_identical(
class(corp),
class(corpus_sample(corp, size = 2))
)
expect_identical(
class(corp),
class(corpus_segment(corp, "/"))
)
expect_identical(
class(corp),
class(corpus_reshape(corp, to = "sentences"))
)
expect_identical(
class(corp),
class(corp[1:2])
)
})
test_that("tokens object builder retains class", {
corp <- corpus(c("a / b", "a / b c", "abc"),
docvars = data.frame(dv = 11:13),
meta = list(mymeta = "Test meta"))
toks <- tokens(corp)
class(toks) <- c("myclass", class(toks))
expect_identical(
class(toks),
class(tokens_sample(toks, size = 2))
)
expect_identical(
class(toks),
class(toks[1:2])
)
})
test_that("object builder is robust agains different input", {
# user-difined class is given
corp <- quanteda:::build_corpus("a b c",
docvars = quanteda:::make_docvars(1L),
class = "myclass")
expect_equal(
class(corp), c("myclass", "corpus", "character")
)
class(corp) <- "myclass2"
corp2 <- quanteda:::rebuild_corpus(corp, attributes(corp))
expect_equal(
class(corp2), c("myclass2", "corpus", "character")
)
toks <- quanteda:::build_tokens(list(1:3),
types = c("a", "b", "c"),
docvars = quanteda:::make_docvars(1L),
class = "myclass")
expect_equal(
class(toks), c("myclass", "tokens")
)
class(toks) <- "myclass2"
toks2 <- quanteda:::rebuild_tokens(toks, attributes(toks))
expect_equal(
class(toks2), c("myclass2", "tokens")
)
# docvars has wrong number of rows
expect_error({
quanteda:::build_corpus("a b c",
docvars = quanteda:::make_docvars(2L))
})
expect_error({
quanteda:::build_tokens(list(1:3),
types = c("a", "b", "c"),
docvars = quanteda:::make_docvars(2L))
})
})
test_that("object rebuilder keeps attributes", {
mat1 <- matrix(c(1, 2, 0, 0, 1, 1), nrow = 2)
dfmat1 <- quanteda:::build_dfm(mat1,
c("a", "b", "c"),
docvars = quanteda:::make_docvars(2L))
dfmat2 <- quanteda:::rebuild_dfm(dfmat1, attributes(dfmat1))
expect_identical(attributes(dfmat1),
attributes(dfmat2))
mat2 <- matrix(c(1, 2, 3, 0, 0, 1, 1, 2, 1), nrow = 3)
fcmat1 <- quanteda:::build_fcm(mat2,
c("a", "b", "c"))
fcmat2 <- quanteda:::rebuild_fcm(fcmat1, attributes(fcmat1))
expect_identical(attributes(fcmat1),
attributes(fcmat2))
lis <- list(A = list(c("a", "aa", "AA")))
dict1 <- quanteda:::build_dictionary2(lis,
valuetype = "regex",
separator = "+")
dict2 <- quanteda:::rebuild_dictionary2(dict1, attributes(dict1))
expect_identical(attributes(dict1),
attributes(dict2))
})
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