merge with remote

[epclust.git] / pkg / tests / testthat / test-utils.R

diff --git a/pkg/tests/testthat/test-utils.R b/pkg/tests/testthat/test-utils.R
new file mode 100644 (file)
index 0000000..c2474c8
--- /dev/null
+++ b/pkg/tests/testthat/test-utils.R
@@ -0,0 +1,55 @@
+context("utils functions")
+
+test_that("Helper function to split indices work properly",
+{
+       indices <- 1:400
+
+       # bigger nb_per_set than length(indices)
+       expect_equal(epclust:::.splitIndices(indices,500), list(indices))
+
+       # nb_per_set == length(indices)
+       expect_equal(epclust:::.splitIndices(indices,400), list(indices))
+
+       # length(indices) %% nb_per_set == 0
+       expect_equal(epclust:::.splitIndices(indices,200),
+               c( list(indices[1:200]), list(indices[201:400]) ))
+       expect_equal(epclust:::.splitIndices(indices,100),
+               c( list(indices[1:100]), list(indices[101:200]),
+                       list(indices[201:300]), list(indices[301:400]) ))
+
+       # length(indices) / nb_per_set == 1, length(indices) %% nb_per_set == 100
+       expect_equal(epclust:::.splitIndices(indices,300,min_size=1),
+               list(1:300, 301:400))
+       split_inds <- epclust:::.splitIndices(indices,300,min_size=200)
+       expect_equal(length(unique(unlist(split_inds))), 400)
+       expect_equal(length(split_inds), 2)
+       expect_equal(length(split_inds[[1]]), 200)
+       expect_equal(length(split_inds[[2]]), 200)
+       expect_error(epclust:::.splitIndices(indices,300,min_size=300), "Impossible to split*")
+
+       # length(indices) / nb_per_set == 2, length(indices) %% nb_per_set == 42
+       expect_equal(epclust:::.splitIndices(indices,179,min_size=1),
+               list(1:179, 180:358, 359:400))
+       split_inds <-epclust:::.splitIndices(indices,179,min_size=60)
+       expect_equal(length(unique(unlist(split_inds))), 400)
+       expect_equal(length(split_inds), 3)
+       expect_equal(length(split_inds[[1]]), 170)
+       expect_equal(length(split_inds[[2]]), 170)
+       expect_equal(length(split_inds[[3]]), 60)
+       expect_error(epclust:::.splitIndices(indices,179,min_size=150), "Impossible to split*")
+})
+
+test_that("curvesToContribs output correct results",
+{
+       L <- 220 #extended to 256, log2(256) == 8
+
+       # Zero serie
+       expect_equal(curvesToContribs(rep(0,L), "d8", "absolute"), as.matrix(rep(0,8)))
+       expect_equal(curvesToContribs(rep(0,L), "haar", "absolute"), as.matrix(rep(0,8)))
+
+       # Constant serie
+       expect_equal(curvesToContribs(rep(5,L), "haar", "absolute"), as.matrix(rep(0,8)))
+       expect_equal(curvesToContribs(rep(10,L), "haar", "absolute"), as.matrix(rep(0,8)))
+#      expect_equal(curvesToContribs(rep(5,L), "d8", ctype), rep(0,8))
+#TODO:
+})