Author: Dylan Aïssi
Description: Skip test if there is no "pROC" package.
Last-Update: 2019-07-24

--- a/tests/testthat/test_twoClassSummary.R
+++ b/tests/testthat/test_twoClassSummary.R
@@ -12,6 +12,7 @@
   te_prob <- as.data.frame(te_prob, stringsAsFactors = TRUE)
 
   cm <- caret::confusionMatrix(te_pred, te_dat$Class)
+  skip_if_not_installed("pROC")
   library(pROC)
   roc_crv <- pROC::roc(te_dat$Class, te_prob$Class1, direction = ">", quiet = TRUE)
   roc_auc <- as.numeric(pROC::auc(roc_crv))