tests/testthat/test_singlesnp.R

In MRCIEU/TwoSampleMR: Two Sample MR Functions and Interface to MR Base Database

context("singlesnp")

# dat <- make_dat("ieu-a-2", "ieu-a-7")
load(system.file("extdata", "test_commondata.RData", package="TwoSampleMR"))

test_that("singlesnp", {
	w <- mr_singlesnp(dat)
	expect_true(nrow(w) == sum(dat$mr_keep) + 2)
})

test_that("singlesnp_plot", {
	w <- mr_singlesnp(dat)
	p <- mr_forest_plot(w)
	expect_true(length(p) == 1)
})

test_that("density plot", {
	w <- mr_singlesnp(dat)
	m <- mr(dat, method_list="mr_ivw")
	p <- mr_density_plot(w, m)
	expect_true(length(p) == 1)
})

test_that("singlesnp_plot", {
	w <- mr_singlesnp(dat)
	p <- mr_funnel_plot(w)
	expect_true(length(p) == 1)
})