add prepare-commit-msg test

all credit goes to @kirkoman Co-authored-by: Kirk McKelvey <kmckelvey@extensis.com>

Author: typicode

scripts/test-install.sh

@@ -152,5 +152,37 @@ if [ "$exitCode" -eq 0 ]; then
  exit 1
 fi
 
+# ---
+test "hook should run and pass all HUSKY_GIT_PARAMS"
+cat > .huskyrc << EOL
+{
+ "skipCI": false,
+ "hooks": {
+ "prepare-commit-msg": "echo \"prepare-commit-msg hook from Husky\" && echo \$HUSKY_GIT_PARAMS > $hookParamsFile"
+ }
+}
+EOL
+if [ -f $hookParamsFile ]; then
+ rm $hookParamsFile
+fi
+
+commit sixth
+
+if [ ! -f $hookParamsFile ]; then
+ echo "Fail: hook script didn't run"
+ exit 1
+fi
+
+actual=$(cat $hookParamsFile)
+expected=".git/COMMIT_EDITMSG message"
+
+if [ "$actual" != "$expected" ]; then
+ echo "Fail: HUSKY_GIT_PARAMS weren't set correctly"
+ echo "$actual != $expected"
+ exit 1
+fi
+
 echo
 echo "Success: all tests passed"
+
+