# A unit test for compengine() function
if (require(testthat)) {
context("Tests on input")
test_that("tests for a non-vector object", {
expect_that(suppressWarnings(compengine(matrix(0, 2, 2))), throws_error())
})
context("Tests on output")
test_that("tests for compengine results on non-seasonal data", {
z <- compengine(WWWusage)
expect_equal(length(z), 16L)
expect_equal(z[4], c(firstmin_ac = 21))
expect_gt(z[5], 109.15)
expect_gt(z[3], 0.27)
})
test_that("tests for compengine results on seasonal data", {
z <- compengine(USAccDeaths)
expect_that(length(z), equals(16L))
expect_equal(z[4], c(firstmin_ac = 6))
expect_gt(z[6], 1.83)
expect_lt(z[3], -0.0647)
})
test_that("tests for compengine results on data with missing values", {
y_WWWusage <- WWWusage
y_WWWusage[c(16:17, 78)] <- NA
z <- compengine(y_WWWusage)
expect_equal(length(which(is.na(z))), 0)
expect_gt(z[3], 0.2845)
expect_equal(z[4], c(firstmin_ac = 21))
})
}
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