testkmeans.R
context("Kmeans")
library(jsonlite)
test_that("kmeans finishes with result", {
load(file = system.file("testdata/GSE27112-GPL6103.rda", package="phantasus"))
expect_is(performKmeans(es, k = 10), "json")
})
test_that("kmeans works with datasets with lots of NAs", {
es <- read.gct(system.file("testdata/centers.gct", package="phantasus"))
expect_length(fromJSON(performKmeans(es, k = 2)), nrow(es))
})
test_that("kmeans returns only vector for a subset", {
es <- read.gct(system.file("testdata/centers.gct", package="phantasus"))
rows <- c(0, 2, 3, 5)
expect_length(fromJSON(performKmeans(es, rows=rows, k = 2)), length(rows))
})