tests/testthat/test-clean-method.R

In seriph78/COTAN: COexpression Tables ANalysis

test_that("clean COTAN object", {
  raw <- matrix(c(1L,  0L, 4L, 2L, 11L, 0L, 6L, 7L, 0L, 9L,
                  10L, 8L, 0L, 0L,  0L, 3L, 0L, 0L, 2L, 0L),
                nrow = 10L, ncol = 20L)
  rownames(raw) <- LETTERS[1L:10L]
  colnames(raw) <- letters[1L:20L]

  obj <- COTAN(raw = raw)
  obj <- clean(obj)

  expect_true(validObject(obj))

  expect_identical(colnames(getMetadataCells(obj)), c("feCells", "nu"))
  expect_identical(colnames(getMetadataGenes(obj)), c("feGenes", "lambda"))
})

test_that("Clean on test dataset", {
  utils::data("test.dataset", package = "COTAN")

  obj <- COTAN(raw = test.dataset)
  obj <- initializeMetaDataset(obj, GEO = " ",
                               sequencingMethod = "artificial",
                               sampleCondition = "test")

  obj <- clean(obj)

  obj <- estimateDispersionBisection(obj, cores = 6L)

  raw.norm <- readRDS(file.path(getwd(), "raw.norm.test.RDS"))
  lambda <- readRDS(file.path(getwd(), "lambda.test.RDS"))
  dispersion <- readRDS(file.path(getwd(), "dispersion.test.RDS"))
  nu <- readRDS(file.path(getwd(), "nu.test.RDS"))

  genes.names.test <- readRDS(file.path(getwd(), "genes.names.test.RDS"))
  cells.names.test <- readRDS(file.path(getwd(), "cells.names.test.RDS"))

  expect_equal(getNormalizedData(obj)[genes.names.test, cells.names.test],
               raw.norm, tolerance = 1.0e-14, ignore_attr = FALSE)
  expect_equal(getLambda(obj)[genes.names.test],
               lambda, tolerance = 1.0e-14, ignore_attr = FALSE)
  expect_equal(getNu(obj)[cells.names.test],
               nu, tolerance = 1.0e-14, ignore_attr = FALSE)
  expect_equal(getDispersion(obj)[genes.names.test],
               dispersion, tolerance = 1.0e-14, ignore_attr = FALSE)
})