diff --git a/tests/test_config.py b/tests/test_config.py
new file mode 100644
index 0000000..d6338d4
--- /dev/null
+++ b/tests/test_config.py
@@ -0,0 +1,36 @@
+import json
+import os
+
+
+def test_config_blank(dotfiles, run_dotbot):
+    """Verify blank configs work."""
+
+    dotfiles.write_config([])
+    run_dotbot()
+
+
+def test_config_empty(dotfiles, run_dotbot):
+    """Verify empty configs work."""
+
+    dotfiles.write("config.yaml", "")
+    run_dotbot("-c", os.path.join(dotfiles.directory, "config.yaml"), custom=True)
+
+
+def test_json(home, dotfiles, run_dotbot):
+    """Verify JSON configs work."""
+
+    document = json.dumps([{"create": ["~/d"]}])
+    dotfiles.write("config.json", document)
+    run_dotbot("-c", os.path.join(dotfiles.directory, "config.json"), custom=True)
+
+    assert os.path.isdir(os.path.join(home, "d"))
+
+
+def test_json_tabs(home, dotfiles, run_dotbot):
+    """Verify JSON configs with tabs work."""
+
+    document = """[\n\t{\n\t\t"create": ["~/d"]\n\t}\n]"""
+    dotfiles.write("config.json", document)
+    run_dotbot("-c", os.path.join(dotfiles.directory, "config.json"), custom=True)
+
+    assert os.path.isdir(os.path.join(home, "d"))