tests/testthat/test_lm2boot_out_parallel_mini.R

In manymome: Mediation, Moderation and Moderated-Mediation After Model Fitting

skip_on_cran()
# A minimal test for coverage

library(testthat)
library(manymome)
suppressMessages(library(lavaan))

dat <- modmed_x1m3w4y1
n <- nrow(dat)
set.seed(860314)
dat$gp <- sample(c("gp1", "gp2", "gp3"), n, replace = TRUE)
dat$city <- sample(c("alpha", "beta", "gamma", "sigma"), n, replace = TRUE)
lm_m1 <- lm(m1 ~ x * w1, dat)
lm_m2 <- lm(m2 ~ m1 + gp + city, dat)
lm_m3 <- lm(m3 ~ m1 + x * gp, dat)
lm_y <- lm(y ~ m2 + m3 + x * w4, dat)
lm_m1_mm <- model.matrix(lm_m1)[, 4]
lm_m2_mm <- model.matrix(lm_m2)[, -c(1:2)]
lm_m3_mm <- model.matrix(lm_m3)[, 6:7]
lm_y_mm <- model.matrix(lm_y)[, 6]
dat2 <- cbind(dat, lm_m1_mm, lm_m2_mm, lm_m3_mm, lm_y_mm)

outputs <- list(lm_m1, lm_m2, lm_m3, lm_y)
suppressMessages(out <- do_boot(fit = outputs, R = 4, seed = 81674958,
                  parallel = TRUE,
                  progress = FALSE,
                  ncores = 2))

test_that("A minimal test for parallel processing: lm", {
    expect_s3_class(out, "boot_out")
    expect_true(length(out) == 4)
  })