diff --git a/tests-ng/actions-args-template.sh b/tests-ng/actions-args-template.sh
index 42dc3c7..f8d469d 100755
--- a/tests-ng/actions-args-template.sh
+++ b/tests-ng/actions-args-template.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/actions-args.sh b/tests-ng/actions-args.sh
index 6da4f43..b15d9d5 100755
--- a/tests-ng/actions-args.sh
+++ b/tests-ng/actions-args.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/actions-default.sh b/tests-ng/actions-default.sh
index 5eb4572..e144243 100755
--- a/tests-ng/actions-default.sh
+++ b/tests-ng/actions-default.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/actions-pre.sh b/tests-ng/actions-pre.sh
index 48dc59a..24ae575 100755
--- a/tests-ng/actions-pre.sh
+++ b/tests-ng/actions-pre.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/actions-template.sh b/tests-ng/actions-template.sh
index 36a8036..577a28f 100755
--- a/tests-ng/actions-template.sh
+++ b/tests-ng/actions-template.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/actions.sh b/tests-ng/actions.sh
index c4e40f9..20486f2 100755
--- a/tests-ng/actions.sh
+++ b/tests-ng/actions.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/compare-ignore-relative.sh b/tests-ng/compare-ignore-relative.sh
index 741aacf..a8c1260 100755
--- a/tests-ng/compare-ignore-relative.sh
+++ b/tests-ng/compare-ignore-relative.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/compare-ignore.sh b/tests-ng/compare-ignore.sh
index 98c986b..53d86c9 100755
--- a/tests-ng/compare-ignore.sh
+++ b/tests-ng/compare-ignore.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/compare.sh b/tests-ng/compare.sh
index 7b8039e..15f34e4 100755
--- a/tests-ng/compare.sh
+++ b/tests-ng/compare.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/deprecated-link.sh b/tests-ng/deprecated-link.sh
index 262c2b5..b63238b 100755
--- a/tests-ng/deprecated-link.sh
+++ b/tests-ng/deprecated-link.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/diff-cmd.sh b/tests-ng/diff-cmd.sh
index 8e711c0..b09378d 100755
--- a/tests-ng/diff-cmd.sh
+++ b/tests-ng/diff-cmd.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
@@ -67,6 +68,9 @@ dotfiles:
 profiles:
 _EOF
 
+export DOTDROP_FORCE_NODEBUG=yes
+export DOTDROP_NOBANNER=yes
+
 # import
 echo "[+] import"
 cd ${ddpath} | ${bin} import -c ${cfg} ${tmpd}/singlefile
@@ -74,9 +78,6 @@ cd ${ddpath} | ${bin} import -c ${cfg} ${tmpd}/singlefile
 # modify the file
 echo "modified" > ${tmpd}/singlefile
 
-# suppressing the banner, so we can compare dotdrop diff with UNIX diff
-export DOTDROP_NOBANNER=yes
-
 # default diff (unified)
 echo "[+] comparing with default diff (unified)"
 set +e
@@ -121,7 +122,9 @@ grep fakediff ${tmpd}/fake &> /dev/null || exit 1
 
 ## CLEANING
 rm -rf ${basedir} ${tmpd}
+
 unset DOTDROP_NOBANNER
+unset DOTDROP_FORCE_NODEBUG
 
 echo "OK"
 exit 0
diff --git a/tests-ng/dir-import-update.sh b/tests-ng/dir-import-update.sh
index dfd0a3f..79dcad6 100755
--- a/tests-ng/dir-import-update.sh
+++ b/tests-ng/dir-import-update.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/dotdrop-variables.sh b/tests-ng/dotdrop-variables.sh
index f2a7fb8..c5d7639 100755
--- a/tests-ng/dotdrop-variables.sh
+++ b/tests-ng/dotdrop-variables.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/dotfile-no-src.sh b/tests-ng/dotfile-no-src.sh
index 4c6ecb1..ccfaf37 100755
--- a/tests-ng/dotfile-no-src.sh
+++ b/tests-ng/dotfile-no-src.sh
@@ -33,6 +33,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/dotfile-sub-variables.sh b/tests-ng/dotfile-sub-variables.sh
index d0d0ad2..c03a730 100755
--- a/tests-ng/dotfile-sub-variables.sh
+++ b/tests-ng/dotfile-sub-variables.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/dotfile-variables.sh b/tests-ng/dotfile-variables.sh
index 533a48e..cda2104 100755
--- a/tests-ng/dotfile-variables.sh
+++ b/tests-ng/dotfile-variables.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/dotfiles-all.sh b/tests-ng/dotfiles-all.sh
index 8335994..fc5fdfd 100755
--- a/tests-ng/dotfiles-all.sh
+++ b/tests-ng/dotfiles-all.sh
@@ -33,6 +33,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/dotfiles-dyn-paths.sh b/tests-ng/dotfiles-dyn-paths.sh
index 542b92a..7450752 100755
--- a/tests-ng/dotfiles-dyn-paths.sh
+++ b/tests-ng/dotfiles-dyn-paths.sh
@@ -33,6 +33,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/duplicate-key.sh b/tests-ng/duplicate-key.sh
index 9177323..3d11cc2 100755
--- a/tests-ng/duplicate-key.sh
+++ b/tests-ng/duplicate-key.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/dynactions.sh b/tests-ng/dynactions.sh
index 6c9f1fd..81bb3b3 100755
--- a/tests-ng/dynactions.sh
+++ b/tests-ng/dynactions.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/dyndotfilepaths.sh b/tests-ng/dyndotfilepaths.sh
index f26c638..9b26d8a 100755
--- a/tests-ng/dyndotfilepaths.sh
+++ b/tests-ng/dyndotfilepaths.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/dynextvariables.sh b/tests-ng/dynextvariables.sh
index 05a843f..83e9799 100755
--- a/tests-ng/dynextvariables.sh
+++ b/tests-ng/dynextvariables.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/dyninclude.sh b/tests-ng/dyninclude.sh
index 34b500b..6db0155 100755
--- a/tests-ng/dyninclude.sh
+++ b/tests-ng/dyninclude.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/dynvariables.sh b/tests-ng/dynvariables.sh
index 8ab70e4..acbb71f 100755
--- a/tests-ng/dynvariables.sh
+++ b/tests-ng/dynvariables.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/ext-actions.sh b/tests-ng/ext-actions.sh
index f57ff17..968b01b 100755
--- a/tests-ng/ext-actions.sh
+++ b/tests-ng/ext-actions.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/extvariables.sh b/tests-ng/extvariables.sh
index d51814d..aae8e17 100755
--- a/tests-ng/extvariables.sh
+++ b/tests-ng/extvariables.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/filter_file.sh b/tests-ng/filter_file.sh
index d82edf2..def9e09 100755
--- a/tests-ng/filter_file.sh
+++ b/tests-ng/filter_file.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/force-actions.sh b/tests-ng/force-actions.sh
index c0342e8..242904c 100755
--- a/tests-ng/force-actions.sh
+++ b/tests-ng/force-actions.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/func_file.sh b/tests-ng/func_file.sh
index 7c68a1c..081f747 100755
--- a/tests-ng/func_file.sh
+++ b/tests-ng/func_file.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/global-compare-ignore.sh b/tests-ng/global-compare-ignore.sh
index f3dde98..056be9a 100755
--- a/tests-ng/global-compare-ignore.sh
+++ b/tests-ng/global-compare-ignore.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/global-update-ignore.sh b/tests-ng/global-update-ignore.sh
index 53285fb..5a387a6 100755
--- a/tests-ng/global-update-ignore.sh
+++ b/tests-ng/global-update-ignore.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/globs.sh b/tests-ng/globs.sh
index 6acbf18..a682961 100755
--- a/tests-ng/globs.sh
+++ b/tests-ng/globs.sh
@@ -35,6 +35,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/header.sh b/tests-ng/header.sh
index 5c16ac3..311be3c 100755
--- a/tests-ng/header.sh
+++ b/tests-ng/header.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/ignore-empty.sh b/tests-ng/ignore-empty.sh
index df80274..92a3d2f 100755
--- a/tests-ng/ignore-empty.sh
+++ b/tests-ng/ignore-empty.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/import-as.sh b/tests-ng/import-as.sh
index 34d7f98..d5b29e9 100755
--- a/tests-ng/import-as.sh
+++ b/tests-ng/import-as.sh
@@ -31,6 +31,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/import-configs.sh b/tests-ng/import-configs.sh
index e000de6..4c75d4c 100755
--- a/tests-ng/import-configs.sh
+++ b/tests-ng/import-configs.sh
@@ -31,6 +31,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/import-duplicate.sh b/tests-ng/import-duplicate.sh
index 50cd1f2..262e3a5 100755
--- a/tests-ng/import-duplicate.sh
+++ b/tests-ng/import-duplicate.sh
@@ -31,6 +31,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/import-link-children.sh b/tests-ng/import-link-children.sh
index 8fae7c2..036e667 100755
--- a/tests-ng/import-link-children.sh
+++ b/tests-ng/import-link-children.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/import-non-existing.sh b/tests-ng/import-non-existing.sh
index 8b0f897..9b05efa 100755
--- a/tests-ng/import-non-existing.sh
+++ b/tests-ng/import-non-existing.sh
@@ -31,6 +31,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/import-profile-dotfiles.sh b/tests-ng/import-profile-dotfiles.sh
index ea565e2..1215388 100755
--- a/tests-ng/import-profile-dotfiles.sh
+++ b/tests-ng/import-profile-dotfiles.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/import-subfile.sh b/tests-ng/import-subfile.sh
index 141cf97..b416a63 100755
--- a/tests-ng/import-subfile.sh
+++ b/tests-ng/import-subfile.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/import.sh b/tests-ng/import.sh
index 78ab6ff..854388e 100755
--- a/tests-ng/import.sh
+++ b/tests-ng/import.sh
@@ -31,6 +31,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/imported-configs-variables.sh b/tests-ng/imported-configs-variables.sh
index c6e0993..f852c00 100755
--- a/tests-ng/imported-configs-variables.sh
+++ b/tests-ng/imported-configs-variables.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/include-actions.sh b/tests-ng/include-actions.sh
index 3f292c5..abe4f75 100755
--- a/tests-ng/include-actions.sh
+++ b/tests-ng/include-actions.sh
@@ -33,6 +33,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/include-order.sh b/tests-ng/include-order.sh
index d903f59..c6da500 100755
--- a/tests-ng/include-order.sh
+++ b/tests-ng/include-order.sh
@@ -33,6 +33,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/include.sh b/tests-ng/include.sh
index 8f0d638..0c28fbf 100755
--- a/tests-ng/include.sh
+++ b/tests-ng/include.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/inst-link-default.sh b/tests-ng/inst-link-default.sh
index b175f98..c3ed955 100755
--- a/tests-ng/inst-link-default.sh
+++ b/tests-ng/inst-link-default.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/install-empty.sh b/tests-ng/install-empty.sh
index 14e05ee..535d540 100755
--- a/tests-ng/install-empty.sh
+++ b/tests-ng/install-empty.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/install-ignore.sh b/tests-ng/install-ignore.sh
index edae408..46f5708 100755
--- a/tests-ng/install-ignore.sh
+++ b/tests-ng/install-ignore.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/jhelpers.sh b/tests-ng/jhelpers.sh
index 0e44adb..f502ed6 100755
--- a/tests-ng/jhelpers.sh
+++ b/tests-ng/jhelpers.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/link-import-default.sh b/tests-ng/link-import-default.sh
index f46908a..b20f145 100755
--- a/tests-ng/link-import-default.sh
+++ b/tests-ng/link-import-default.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/link-templates-dir-home.sh b/tests-ng/link-templates-dir-home.sh
index 1b7ed0e..0b58c16 100755
--- a/tests-ng/link-templates-dir-home.sh
+++ b/tests-ng/link-templates-dir-home.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/link-templates-dir.sh b/tests-ng/link-templates-dir.sh
index cf15d1a..8d57133 100755
--- a/tests-ng/link-templates-dir.sh
+++ b/tests-ng/link-templates-dir.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/link-templates.sh b/tests-ng/link-templates.sh
index bea1e53..74d7acb 100755
--- a/tests-ng/link-templates.sh
+++ b/tests-ng/link-templates.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/link-value-tests.sh b/tests-ng/link-value-tests.sh
index f1b7b01..4988e6f 100755
--- a/tests-ng/link-value-tests.sh
+++ b/tests-ng/link-value-tests.sh
@@ -33,6 +33,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/minversion.sh b/tests-ng/minversion.sh
index e827287..2442354 100755
--- a/tests-ng/minversion.sh
+++ b/tests-ng/minversion.sh
@@ -30,6 +30,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/profile-actions.sh b/tests-ng/profile-actions.sh
index 2c5875d..5840021 100755
--- a/tests-ng/profile-actions.sh
+++ b/tests-ng/profile-actions.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/profile-dyninclude.sh b/tests-ng/profile-dyninclude.sh
index 9040b33..44db6f9 100755
--- a/tests-ng/profile-dyninclude.sh
+++ b/tests-ng/profile-dyninclude.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/profile-dynvariables.sh b/tests-ng/profile-dynvariables.sh
index bdfb247..9455401 100755
--- a/tests-ng/profile-dynvariables.sh
+++ b/tests-ng/profile-dynvariables.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/re-import.sh b/tests-ng/re-import.sh
index 5974c31..99e1736 100755
--- a/tests-ng/re-import.sh
+++ b/tests-ng/re-import.sh
@@ -31,6 +31,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/recinclude.sh b/tests-ng/recinclude.sh
index cbef945..af63484 100755
--- a/tests-ng/recinclude.sh
+++ b/tests-ng/recinclude.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/recvariables.sh b/tests-ng/recvariables.sh
index c1a4f3d..3255718 100755
--- a/tests-ng/recvariables.sh
+++ b/tests-ng/recvariables.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/remove.sh b/tests-ng/remove.sh
index c8f5c8b..fb7c004 100755
--- a/tests-ng/remove.sh
+++ b/tests-ng/remove.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/symlink.sh b/tests-ng/symlink.sh
index 829a9e7..818cba4 100755
--- a/tests-ng/symlink.sh
+++ b/tests-ng/symlink.sh
@@ -31,6 +31,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/transformations-template.sh b/tests-ng/transformations-template.sh
index dfad1d4..4c3bafc 100755
--- a/tests-ng/transformations-template.sh
+++ b/tests-ng/transformations-template.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/transformations-with-args.sh b/tests-ng/transformations-with-args.sh
index faeffec..5815620 100755
--- a/tests-ng/transformations-with-args.sh
+++ b/tests-ng/transformations-with-args.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/transformations.sh b/tests-ng/transformations.sh
index eae4e47..0bd329f 100755
--- a/tests-ng/transformations.sh
+++ b/tests-ng/transformations.sh
@@ -34,6 +34,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/update-ignore-relative.sh b/tests-ng/update-ignore-relative.sh
index ac9ef60..09d4021 100755
--- a/tests-ng/update-ignore-relative.sh
+++ b/tests-ng/update-ignore-relative.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/update-ignore.sh b/tests-ng/update-ignore.sh
index 273482f..af9e34c 100755
--- a/tests-ng/update-ignore.sh
+++ b/tests-ng/update-ignore.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/update-rights.sh b/tests-ng/update-rights.sh
index 5ff2fa3..2e804de 100755
--- a/tests-ng/update-rights.sh
+++ b/tests-ng/update-rights.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/update-templates.sh b/tests-ng/update-templates.sh
index abdad4c..67bfcbd 100755
--- a/tests-ng/update-templates.sh
+++ b/tests-ng/update-templates.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/update-with-key.sh b/tests-ng/update-with-key.sh
index 47ba116..8c44d0e 100755
--- a/tests-ng/update-with-key.sh
+++ b/tests-ng/update-with-key.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/update.sh b/tests-ng/update.sh
index 83ca1d5..2535b3d 100755
--- a/tests-ng/update.sh
+++ b/tests-ng/update.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/variables-include.sh b/tests-ng/variables-include.sh
index 655fbb3..e87b60d 100755
--- a/tests-ng/variables-include.sh
+++ b/tests-ng/variables-include.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/variables.sh b/tests-ng/variables.sh
index b0ba712..8f9721d 100755
--- a/tests-ng/variables.sh
+++ b/tests-ng/variables.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"
diff --git a/tests-ng/workdir.sh b/tests-ng/workdir.sh
index 1563921..dae5751 100755
--- a/tests-ng/workdir.sh
+++ b/tests-ng/workdir.sh
@@ -32,6 +32,7 @@ ddpath="${cur}/../"
 
 export PYTHONPATH="${ddpath}:${PYTHONPATH}"
 bin="python3 -m dotdrop.dotdrop"
+hash coverage 2>/dev/null && bin="coverage run -a --source=dotdrop -m dotdrop.dotdrop" || true
 
 echo "dotdrop path: ${ddpath}"
 echo "pythonpath: ${PYTHONPATH}"