Add tests for post-command

test/test-config.bats

@@ -57,4 +57,24 @@ notes="./notes"
 
   assert_failure
   assert_line "Could not create directory $NOTES_DIRECTORY/testfile, please update your \$NOTES_DIRECTORY"
-}
+}
+
+@test "Post-command should run if it is a modification command" {
+  mkdir -p $HOME/.config/notes
+  echo 'POST_COMMAND="echo 1 > $HOME/post-output"' > $HOME/.config/notes/config
+  run $notes new test
+
+  assert_success
+  assert_exists $HOME/post-output
+}
+
+@test "Post-command should not run if it is not a modification command" {
+  run $notes new test
+
+  mkdir -p $HOME/.config/notes
+  echo 'POST_COMMAND="echo 1 > $HOME/post-output"' > $HOME/.config/notes/config
+  run $notes cat test
+
+  assert_success
+  refute_exists $HOME/post-output
+}