context("data.table Frame")
org <- data.frame(Q1 = c("Example 1", "Example 2"), Score = c(9, 8), stringsAsFactors = FALSE)
org <- data.table::as.data.table(org)
test_that(":= works with R6 data.table", {
r6dt <- R6Frame$new(org)
r6dt[, test := "test"]
expect_s3_class(r6dt, "R6Frame")
expect_s3_class(r6dt$data, "data.table")
expect_identical(r6dt$data$test, rep("test", 2L))
})
test_that("[<- works with R6 data.table", {
r6dt <- R6Frame$new(org)
r6dt[, "test"] <- "test"
expect_s3_class(r6dt, "R6Frame")
expect_s3_class(r6dt$data, "data.table")
expect_identical(r6dt$data$test, rep("test", 2L))
})
test_that("[[<- works with R6 data.table", {
r6dt <- R6Frame$new(org)
r6dt[["test"]] <- "test"
expect_s3_class(r6dt, "R6Frame")
expect_s3_class(r6dt$data, "data.table")
expect_identical(r6dt$data$test, rep("test", 2L))
})
test_that("[ works with R6 data.table", {
r6dt <- R6Frame$new(org)
r6dt <- r6dt[, .(Q1)]
expect_s3_class(r6dt, "R6Frame")
expect_s3_class(r6dt$data, "data.table")
expect_identical(names(r6dt), "Q1")
})
test_that("[[ works with R6 data.table", {
r6dt <- R6Frame$new(org)
expect_identical(r6dt[["Score"]], c(9, 8))
expect_identical(r6dt[, Score], c(9, 8))
})
test_that("names<- works with R6 data.table", {
r6dt <- R6Frame$new(org)
names(r6dt) <- c("entity", "score")
expect_s3_class(r6dt, "R6Frame")
expect_s3_class(r6dt$data, "data.table")
expect_identical(names(r6dt), c("entity", "score"))
})
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