tests/testthat/test-ancom.R

In FrederickHuangLin/ANCOMBC: Microbiome differential abudance and correlation analyses with bias correction

context("Testing ancom function")
library(ANCOMBC)
library(testthat)

data(atlas1006, package = "microbiome")

# subset to baseline
pseq = phyloseq::subset_samples(atlas1006, time == 0)

# test
test_that("`ancom` function provides expected results", {
    set.seed(123)
    out = ancom(data = pseq,
                tax_level = "Family",
                p_adj_method = "holm", prv_cut = 0.10, lib_cut = 1000,
                main_var = "bmi_group", adj_formula = "age + nationality",
                rand_formula = NULL, lme_control = NULL,
                struc_zero = TRUE, neg_lb = TRUE, alpha = 0.05, n_cl = 1)
    res = out$res
    test_output = res$W[1]
    expect_equal(test_output, 18)
})