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test_that("write_xml errors for incorrect directory and with invalid inputs", {
x <- read_xml("<x/>")
filename <- "does_not_exist/test.xml"
expect_error(
write_xml(x, filename),
"'does_not_exist' does not exist in current working directory"
)
expect_snapshot(error = TRUE, {
write_xml(x, c("test.xml", "foo"))
})
})
test_that("write_xml works with relative file paths", {
x <- read_xml("<x/>")
filename <- "../test.xml"
on.exit(unlink(filename))
write_xml(x, filename, options = "no_declaration")
expect_identical(readChar(filename, 1000L), "<x/>\n")
})
test_that("write_xml works with no options", {
x <- read_xml("<x/>")
filename <- "../test.xml"
on.exit(unlink(filename))
write_xml(x, filename, options = NULL)
expect_identical(
readChar(filename, 1000L),
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<x/>\n"
)
})
test_that("write_xml works with an explicit connections", {
x <- read_xml("<x/>")
filename <- "../test.xml"
file <- file(filename, "wb")
on.exit(unlink(filename))
write_xml(x, file, options = "no_declaration")
close(file)
expect_identical(readChar(filename, 1000L), "<x/>\n")
})
test_that("write_xml works with an implicit connections", {
x <- read_xml("<x/>")
filename <- "../test.xml.gz"
write_xml(x, filename, options = "no_declaration")
file <- gzfile(filename, "rb")
on.exit({
unlink(filename)
close(file)
})
expect_identical(readChar(file, 1000L), "<x/>\n")
})
test_that("write_xml works with nodeset input and files", {
x <- read_xml("<x><y/><y><z/></y></x>")
y <- xml_find_all(x, "//y")
filename <- "../test.xml"
on.exit(unlink(filename))
expect_error(
write_xml(y, filename, options = "no_declaration"),
"Can only save length 1 node sets"
)
write_xml(y[1], filename, options = "no_declaration")
expect_identical(readChar(filename, 1000L), "<y/>")
})
test_that("write_xml works with nodeset input and connections", {
x <- read_xml("<x><y/><y/></x>")
y <- xml_find_all(x, "//y")
filename <- "../test.xml.gz"
expect_error(
write_xml(y, filename, options = "no_declaration"),
"Can only save length 1 node sets"
)
expect_snapshot(error = TRUE, {
write_xml(y[1], c(filename, "foo"))
})
write_xml(y[1], filename, options = "no_declaration")
file <- gzfile(filename, "rb")
on.exit({
unlink(filename)
close(file)
})
expect_identical(readChar(file, 1000L), "<y/>")
})
test_that("write_xml works with node input and files", {
x <- read_xml("<x><y/><y/></x>")
y <- xml_find_first(x, "//y")
filename <- "../test.xml"
expect_snapshot(error = TRUE, write_xml(y, c(filename, "foo")))
write_xml(y, filename, options = "no_declaration")
on.exit(unlink(filename))
expect_identical(readChar(filename, 1000L), "<y/>")
})
test_that("write_xml works with node input and connections", {
x <- read_xml("<x><y/><y/></x>")
y <- xml_find_first(x, "//y")
filename <- "../test.xml.gz"
write_xml(y, filename, options = "no_declaration")
file <- gzfile(filename, "rb")
on.exit({
unlink(filename)
close(file)
})
expect_identical(readChar(file, 1000L), "<y/>")
})
test_that("write_xml returns invisibly", {
x <- read_xml("<x>foo</x>")
tf <- tempfile()
on.exit(unlink(tf))
res <- withVisible(write_xml(x, tf))
expect_null(res$value)
expect_false(res$visible)
})
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