context("fromJSON datasets")
# Note about numeric precision
# In the unit tests we use digits=10. Lowever values will result in problems for some datasets
test_that("fromJSON datasets", {
objects <- Filter(is.data.frame, lapply(ls("package:datasets"), get));
#data frames are never identical because:
# - attributes
# - factors, times, dates turn into strings
# - integers turn into numeric
lapply(objects, function(object){
newobject <- fromJSON(toJSON(object))
expect_that(newobject, is_a("data.frame"));
expect_that(names(object), is_identical_to(names(newobject)));
expect_that(nrow(object), is_identical_to(nrow(newobject)))
});
});
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