context("remove_burn_ins")
test_that("normal use", {
# Remove first ten percent
v <- data.frame(x = seq(1, 10), y = seq(11, 20))
w <- remove_burn_ins(trace = v, burn_in_fraction = 0.1)
expected <- data.frame(x = seq(2, 10), y = seq(12, 20))
names(expected) <- names(w)
expect_true(all(w == expected))
})
test_that("100 percent burn-in", {
# Remove first ten percent
v <- data.frame(x = seq(1, 10), y = seq(11, 20))
w <- tracerer::remove_burn_ins(trace = v, burn_in_fraction = 1.0)
testthat::expect_equal(nrow(w), 0)
})
test_that("remove_burn_ins: abuse", {
v <- data.frame(x = seq(1, 10), y = seq(11, 20))
expect_error(
remove_burn_ins(traces = v, burn_in_fraction = -0.1),
"'burn_in_fraction' must be at least zero"
)
expect_error(
remove_burn_ins(traces = v, burn_in_fraction = 1.1),
"'burn_in_fraction' must be one at most"
)
expect_error(
remove_burn_ins(traces = "not a valid trace", burn_in_fraction = 0.1),
"'traces' must be a data.frame"
)
})
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