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context("Test plot functions.")
set.seed(42)
mat <- matrix(data=rpois(1000, lambda=10), ncol=10)
rownames(mat) <- paste("gene", 1:nrow(mat), sep="")
colnames(mat) <- paste("sample", 1:ncol(mat), sep="")
es <- newSeqExpressionSet(mat)
test_that("plotPCA works", {
ks <- 2:5
## matrix
expect_silent(lapply(ks, function(k) plotPCA(mat, k=k)))
expect_silent(lapply(ks, function(k) plotPCA(mat, k=k, labels=FALSE)))
expect_silent(lapply(ks, function(k) plotPCA(mat, k=k)))
expect_silent(lapply(ks, function(k) plotPCA(mat, k=k, labels=FALSE, pch=20, col=1:2)))
## expressionset
expect_silent(lapply(ks, function(k) plotPCA(es, k=k)))
expect_silent(lapply(ks, function(k) plotPCA(es, k=k, labels=FALSE)))
expect_silent(lapply(ks, function(k) plotPCA(es, k=k, labels=FALSE, pch=20, col=1:2)))
})
test_that("plotRLE works", {
## matrix
rle <- plotRLE(mat)
expect_equal(dim(mat), dim(rle))
## expressionset
rle <- plotRLE(es)
expect_equal(dim(mat), dim(rle))
})
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