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test-friendly-type.R
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test-friendly-type.R
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test_that("obj_type_friendly() supports objects", {
expect_equal(friendly_types(mtcars), c(
object = "a <data.frame> object",
object_no_value = "a <data.frame> object",
vector = "a data frame",
vector_length = "a data frame"
))
expect_true(all(
friendly_types(quo(1), vector = FALSE) == "a <quosure> object"
))
})
test_that("obj_type_friendly() only displays the first class of objects", {
x <- structure(1, class = c("subclass", "class"))
expect_identical(obj_type_friendly(x), "a <subclass> object")
})
test_that("obj_type_friendly() supports matrices and arrays (#141)", {
expect_true(all(friendly_types(matrix(list(1, 2))) == "a list matrix"))
expect_true(all(friendly_types(array(list(1, 2, 3), dim = 1:3)) == "a list array"))
expect_true(all(friendly_types(matrix(1:3)) == "an integer matrix"))
expect_true(all(friendly_types(array(1:3, dim = 1:3)) == "an integer array"))
expect_true(all(friendly_types(matrix(letters)) == "a character matrix"))
expect_true(all(friendly_types(array(letters[1:3], dim = 1:3)) == "a character array"))
})
test_that("obj_type_friendly() supports missing arguments", {
expect_equal(obj_type_friendly(missing_arg()), "absent")
})
test_that("obj_type_friendly() handles scalars", {
expect_equal(friendly_types(NA), c(
object = "`NA`",
object_no_value = "`NA`",
vector = "a logical vector",
vector_length = "a logical vector of length 1"
))
expect_equal(friendly_types(na_int), c(
object = "an integer `NA`",
object_no_value = "an integer `NA`",
vector = "an integer vector",
vector_length = "an integer vector of length 1"
))
expect_equal(friendly_types(na_dbl), c(
object = "a numeric `NA`",
object_no_value = "a numeric `NA`",
vector = "a double vector",
vector_length = "a double vector of length 1"
))
expect_equal(friendly_types(na_cpl), c(
object = "a complex `NA`",
object_no_value = "a complex `NA`",
vector = "a complex vector",
vector_length = "a complex vector of length 1"
))
expect_equal(friendly_types(na_chr), c(
object = "a character `NA`",
object_no_value = "a character `NA`",
vector = "a character vector",
vector_length = "a character vector of length 1"
))
expect_equal(friendly_types(TRUE), c(
object = "`TRUE`",
object_no_value = "a logical value",
vector = "a logical vector",
vector_length = "a logical vector of length 1"
))
expect_equal(friendly_types(FALSE), c(
object = "`FALSE`",
object_no_value = "a logical value",
vector = "a logical vector",
vector_length = "a logical vector of length 1"
))
expect_equal(friendly_types(1L), c(
object = "the number 1",
object_no_value = "an integer",
vector = "an integer vector",
vector_length = "an integer vector of length 1"
))
expect_equal(friendly_types(1.0), c(
object = "the number 1",
object_no_value = "a number",
vector = "a double vector",
vector_length = "a double vector of length 1"
))
expect_equal(friendly_types(1i), c(
object = "the complex number 0+1i",
object_no_value = "a complex number",
vector = "a complex vector",
vector_length = "a complex vector of length 1"
))
expect_equal(friendly_types(as.raw(1)), c(
object = "the raw value 01",
object_no_value = "a raw value",
vector = "a raw vector",
vector_length = "a raw vector of length 1"
))
expect_equal(friendly_types("foo"), c(
object = "the string \"foo\"",
object_no_value = "a string",
vector = "a character vector",
vector_length = "a character vector of length 1"
))
expect_equal(friendly_types(""), c(
object = "the empty string \"\"",
object_no_value = "\"\"",
vector = "a character vector",
vector_length = "a character vector of length 1"
))
expect_equal(friendly_types(list(1)), c(
object = "a list",
object_no_value = "a list",
vector = "a list",
vector_length = "a list of length 1"
))
expect_true(all(friendly_types(matrix(NA)) == "a logical matrix"))
expect_true(all(friendly_types(matrix(1)) == "a double matrix"))
})
test_that("obj_type_friendly() handles empty vectors", {
expect_equal(friendly_types(lgl()), c(
object = "an empty logical vector",
object_no_value = "an empty logical vector",
vector = "a logical vector",
vector_length = "a logical vector of length 0"
))
expect_equal(friendly_types(int()), c(
object = "an empty integer vector",
object_no_value = "an empty integer vector",
vector = "an integer vector",
vector_length = "an integer vector of length 0"
))
expect_equal(friendly_types(dbl()), c(
object = "an empty numeric vector",
object_no_value = "an empty numeric vector",
vector = "a double vector",
vector_length = "a double vector of length 0"
))
expect_equal(friendly_types(cpl()), c(
object = "an empty complex vector",
object_no_value = "an empty complex vector",
vector = "a complex vector",
vector_length = "a complex vector of length 0"
))
expect_equal(friendly_types(chr()), c(
object = "an empty character vector",
object_no_value = "an empty character vector",
vector = "a character vector",
vector_length = "a character vector of length 0"
))
expect_equal(friendly_types(raw()), c(
object = "an empty raw vector",
object_no_value = "an empty raw vector",
vector = "a raw vector",
vector_length = "a raw vector of length 0"
))
expect_equal(friendly_types(list()), c(
object = "an empty list",
object_no_value = "an empty list",
vector = "a list",
vector_length = "a list of length 0"
))
})
test_that("obj_type_friendly() handles NULL", {
expect_true(all(friendly_types(NULL, vector = FALSE) == "`NULL`"))
expect_snapshot((expect_error(friendly_types(NULL))))
})
test_that("obj_type_friendly() handles NaN and infinities", {
expect_equal(friendly_types(NaN), c(
object = "`NaN`",
object_no_value = "`NaN`",
vector = "a double vector",
vector_length = "a double vector of length 1"
))
expect_equal(friendly_types(Inf), c(
object = "`Inf`",
object_no_value = "`Inf`",
vector = "a double vector",
vector_length = "a double vector of length 1"
))
expect_equal(friendly_types(-Inf), c(
object = "`-Inf`",
object_no_value = "`-Inf`",
vector = "a double vector",
vector_length = "a double vector of length 1"
))
expect_equal(friendly_types(Inf + 0i), c(
object = "the complex number Inf+0i",
object_no_value = "a complex number",
vector = "a complex vector",
vector_length = "a complex vector of length 1"
))
})
test_that("long strings are truncated", {
expect_equal(
obj_type_friendly(strrep("abc", 12)),
"the string \"abcabcabcabcabcabcabcabcabc...\""
)
})