Nothing
context(" Filtering on secondary indices plus other operations")
test_that("filter_on works with other dplyr verbs as expected.", {
expected <- data.table::copy(DT)[list(1, 1), ans := mpg + cyl, by = "carb", on = c("vs", "am")]
ans <- DT %>%
start_expr %>%
filter_on(vs = 1, am = 1) %>%
mutate(ans = mpg + cyl) %>%
group_by(carb) %>%
end_expr(.by_ref = FALSE)
expect_identical(ans, expected)
ans <- DT %>%
group_by(carb) %>%
filter_on(vs = 1, am = 1) %>%
mutate(ans = mpg + cyl)
expect_identical(ans, expected)
# ----------------------------------------------------------------------------------------------
expected <- DT[list(4, 1), .(ans = 2 * disp - mean(hp)), keyby = "gear", on = c("gear", "carb")]
ans <- DT %>%
start_expr %>%
filter_on(gear = 4, carb = 1) %>%
transmute(ans = 2 * disp - mean(hp)) %>%
key_by(gear) %>%
end_expr
expect_identical(ans, expected)
ans <- DT %>%
key_by(gear) %>%
filter_on(gear = 4, carb = 1) %>%
transmute(ans = 2 * disp - mean(hp))
expect_identical(ans, expected)
# ----------------------------------------------------------------------------------------------
expected <- data.table::copy(state)[list("Mountain", "West"),
`:=`(foo = abs(center_x - center_y),
bar = sd(income) * sd(population)),
on = c("division", "region")]
ans <- state %>%
start_expr %>%
filter_on(division = "Mountain", region = "West") %>%
mutate(foo = abs(center_x - center_y), bar = sd(income) * sd(population)) %>%
end_expr(.by_ref = FALSE)
expect_identical(ans, expected)
ans <- data.table::copy(state) %>%
filter_on(division = "Mountain", region = "West", .expr = TRUE) %>%
mutate(foo = abs(center_x - center_y), bar = sd(income) * sd(population))
expect_identical(ans, expected)
})
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