R Under development (unstable) (2025-03-09 r87914 ucrt) -- "Unsuffered Consequences"
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> library(datapackage)
> 
> source("helpers.R")
> 
> f <- structure(list(
+     name = "foo", title = "Foo", description = "Foo Bar\n\nFoo", 
+     format = "bar"), class = "fielddescriptor")
> expect_equal(dp_name(f), "foo")
> expect_equal(dp_title(f), "Foo")
> expect_equal(dp_description(f), "Foo Bar\n\nFoo")
> expect_equal(dp_description(f, first_paragraph = TRUE), "Foo Bar")
> expect_equal(dp_format(f), "bar")
> 
> # No properties set
> f <- structure(list(), class = "fielddescriptor")
> expect_error(dp_name(f))
> expect_equal(dp_title(f), NULL)
> expect_equal(dp_description(f), NULL)
> expect_equal(dp_description(f, first_paragraph = TRUE), NULL)
> expect_equal(dp_format(f), NULL)
> 
> # Setting properties
> f <- structure(list(), class = "fielddescriptor")
> 
> dp_name(f) <- "foo"
> expect_equal(dp_name(f), "foo")
> expect_error(dp_name(f) <- "")
> expect_error(dp_name(f) <- letters[1:2])
> 
> dp_title(f) <- "Foo"
> expect_equal(dp_title(f), "Foo")
> expect_error(dp_title(f) <- c("a", "B"))
> dp_title(f) <- NULL
> expect_equal(dp_title(f), NULL)
> 
> dp_description(f) <- "Foo Bar\n\nFoo"
> expect_equal(dp_description(f), "Foo Bar\n\nFoo")
> dp_description(f) <- c("Foo", "Bar")
> expect_equal(dp_description(f), "Foo\nBar")
> dp_description(f) <- NULL
> expect_equal(dp_description(f), NULL)
> 
> dp_format(f) <- "bar"
> expect_equal(dp_format(f), "bar")
> dp_format(f) <- NULL
> expect_equal(dp_format(f), NULL)
> 
> 
> proc.time()
   user  system elapsed 
   0.15    0.04    0.18