clan-cli: write some unit tests

pkgs/clan-cli/tests/test_clan_admin.py

@@ -0,0 +1,17 @@
+import argparse
+
+import clan_admin
+
+
+def test_make_parser():
+    parser = argparse.ArgumentParser()
+    clan_admin.make_parser(parser)
+
+# using fp fixture from pytest-subprocess
+def test_create(fp):
+    cmd = ["nix", "flake", "init", "-t", fp.any()]
+    fp.register(cmd)
+    args = argparse.Namespace(folder="./my-clan")
+    clan_admin.create(args)
+    assert fp.call_count(cmd) == 1
+