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test_that("simple statements are stringified", {
expect_identical(stringify_expression(1:5), "1:5")
expect_identical(stringify_expression({1:5}), "1:5")
expect_identical(stringify_expression(quote(mean(x))), "mean(x)")
})
## it is very difficult to create quoted multi-line expressions in tests
## that mimic what a user can create interactively re: the srcrefs
## therefore, I executed this interactively to create expressions.rds
if (FALSE) {
e <- new.env()
e$e01 <- quote({
1:5
})
e$e02 <- quote({1:5
})
e$e03 <- quote({
1:5})
e$e04 <- quote({1:3;4:6})
e$e05 <- quote({
#' Leading comment
x <- rnorm(3)
#' Embedded comment
mean(x)
#' Trailing comment
})
e$e06 <- quote({mean(1:4) # comment
})
e$e07 <- quote({
#' Leading comment
y <- 1:4 # comment
#' Trailing comment
}
)
saveRDS(e, rprojroot::find_testthat_root_file("expressions.rds"))
}
e <- readRDS(rprojroot::find_testthat_root_file("expressions.rds"))
test_that("one statement, brackets, multiple lines, take 1", {
# quote({
# 1:5
# })
expect_identical(
stringify_expression(e$e01),
"1:5"
)
})
test_that("one statement, brackets, multiple lines, take 2", {
# expr <- quote({1:5
# })
expect_identical(
stringify_expression(e$e02),
"1:5"
)
})
test_that("one statement, brackets, multiple lines, take 3", {
# expr <- quote({
# 1:5})
expect_identical(
stringify_expression(e$e03),
"1:5"
)
})
test_that("multiple statements, brackets, semicolon", {
# quote({1:3;4:6})
expect_identical(
stringify_expression(e$e04),
"1:3;4:6"
)
})
test_that("leading, embedded, trailing comment, #89", {
# expr <- quote({
# #' Leading comment
# x <- rnorm(3)
# #' Embedded comment
# mean(x)
# #' Trailing comment
# })
out <- c(
"#' Leading comment",
"x <- rnorm(3)",
"#' Embedded comment",
"mean(x)",
"#' Trailing comment"
)
expect_identical(
stringify_expression(e$e05),
out
)
})
test_that("trailing inline comment, #91", {
# expr <- quote({mean(1:4) # comment
# })
out <- "mean(1:4) # comment"
expect_identical(
stringify_expression(e$e06),
out
)
})
test_that("trailing inline comment AND trailing comment line", {
# expr <- quote({
# #' Leading comment
# y <- 1:4 # comment
# #' Trailing comment
# }
out <- c(
"#' Leading comment",
"y <- 1:4 # comment",
"#' Trailing comment"
)
expect_identical(
stringify_expression(e$e07),
out
)
})
|
