context("plot3Dpoints.cdadata") morphoDataFrame = data.frame("ID" = c("id1","id2","id3","id4","id5","id6","id7","id8"), "Population" = c("Pop1", "Pop1", "Pop2", "Pop2", "Pop3", "Pop3", "Pop4", "Pop4"), "Taxon" = c("TaxA", "TaxA", "TaxA", "TaxA", "TaxB", "TaxB", "TaxB", "TaxB"), "Ch1" = c(1,3,4,6,1,7,12,8), "Ch2" = c(11, 12,42,12,32,11,22,18)) morphoMockup = .morphodataFromDataFrame(morphoDataFrame) # locally suppress warnings data(centaurea) centaurea = suppressWarnings(naMeanSubst(centaurea)) centaurea = removePopulation(centaurea, populationName = c("LIP", "PREL")) pops=populOTU(centaurea) test_that("ploting with error parameters", { cdaRes = cda.calc(morphoMockup) expect_error(plot3Dpoints(cdaRes), "3D plot requires at least 3 axes. Object has 1 axes." ) })