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test_that("source_file always uses UTF-8 encoding", {
has_locale <- function(l) {
has <- TRUE
tryCatch(
withr::with_locale(c(LC_CTYPE = l), "foobar"),
warning = function(w) has <<- FALSE,
error = function(e) has <<- FALSE
)
has
}
## Some text in UTF-8
tmp <- tempfile()
withr::defer(unlink(tmp))
utf8 <- as.raw(c(
0xc3,
0xa1,
0x72,
0x76,
0xc3,
0xad,
0x7a,
0x74,
0xc5,
0xb1,
0x72,
0xc5,
0x91,
0x20,
0x74,
0xc3,
0xbc,
0x6b,
0xc3,
0xb6,
0x72,
0x66,
0xc3,
0xba,
0x72,
0xc3,
0xb3,
0x67,
0xc3,
0xa9,
0x70
))
writeBin(c(charToRaw("x <- \""), utf8, charToRaw("\"\n")), tmp)
run_test <- function(locale) {
if (has_locale(locale)) {
env <- new.env()
withr::with_locale(
c(LC_CTYPE = locale),
source_file(tmp, env = env, wrap = FALSE)
)
expect_equal(Encoding(env$x), "UTF-8")
expect_equal(charToRaw(env$x), utf8)
}
}
## Try to read it in latin1 and UTF-8 locales
## They have different names on Unix and Windows
run_test("en_US.ISO8859-1")
run_test("en_US.UTF-8")
run_test("English_United States.1252")
run_test("German_Germany.1252")
run_test(Sys.getlocale("LC_CTYPE"))
})
test_that("source_file wraps error", {
expect_snapshot(error = TRUE, {
source_file(test_path("reporters/error-setup.R"), wrap = FALSE)
})
})
test_that("checks its inputs", {
expect_snapshot(error = TRUE, {
source_file(1)
source_file("x")
source_file(".", "x")
})
})
# filter_desc -------------------------------------------------------------
test_that("works with all subtest types", {
code <- exprs(
test_that("foo", {}),
describe("bar", {}),
it("baz", {})
)
expect_equal(filter_desc(code, "foo"), code[1])
expect_equal(filter_desc(code, "bar"), code[2])
expect_equal(filter_desc(code, "baz"), code[3])
})
test_that("only returns non-subtest code before subtest", {
code <- exprs(
f(),
test_that("bar", {}),
describe("foo", {}),
g(),
h()
)
expect_equal(filter_desc(code, "foo"), code[c(1, 3)])
})
test_that("can select recursively", {
code <- exprs(
x <- 1,
describe("a", {
y <- 1
describe("b", {
z <- 1
})
y <- 2
}),
x <- 2
)
expect_equal(
filter_desc(code, c("a", "b")),
exprs(
x <- 1,
describe("a", {
y <- 1
describe("b", {
z <- 1
})
})
)
)
})
test_that("works on code like the describe() example", {
code <- exprs(
describe("math library", {
x1 <- 1
x2 <- 1
describe("addition()", {
it("can add two numbers", {
expect_equal(x1 + x2, addition(x1, x2))
})
})
describe("division()", {
x1 <- 10
x2 <- 2
it("can divide two numbers", {
expect_equal(x1 / x2, division(x1, x2))
})
it("can handle division by 0") #not yet implemented
})
})
)
expect_equal(
filter_desc(
code,
c("math library", "division()", "can divide two numbers")
),
exprs(
describe("math library", {
x1 <- 1
x2 <- 1
describe("division()", {
x1 <- 10
x2 <- 2
it("can divide two numbers", {
expect_equal(x1 / x2, division(x1, x2))
})
})
})
)
)
# what happens for an unimplemented specification?
expect_snapshot(
error = TRUE,
filter_desc(
code,
c("math library", "division()", "can handle division by 0")
)
)
})
test_that("preserve srcrefs", {
code <- parse(
keep.source = TRUE,
text = '
test_that("foo", {
# this is a comment
})
'
)
expect_snapshot(filter_desc(code, "foo"))
})
test_that("errors if zero or duplicate labels", {
code <- exprs(
f(),
test_that("baz", {}),
test_that("baz", {}),
g()
)
expect_snapshot(error = TRUE, {
filter_desc(code, "baz")
filter_desc(code, "missing")
})
})
test_that("source_dir()", {
res <- source_dir("test_dir", pattern = "hello", chdir = TRUE, wrap = FALSE)
expect_equal(res[[1]](), "Hello World")
res <- source_dir(
normalizePath("test_dir"),
pattern = "hello",
chdir = TRUE,
wrap = FALSE
)
expect_equal(res[[1]](), "Hello World")
res <- source_dir("test_dir", pattern = "hello", chdir = FALSE, wrap = FALSE)
expect_equal(res[[1]](), "Hello World")
res <- source_dir(
normalizePath("test_dir"),
pattern = "hello",
chdir = FALSE,
wrap = FALSE
)
expect_equal(res[[1]](), "Hello World")
})
|
