Add tests

tests/test_cli.py

@@ -1,9 +1,53 @@
+import os
 import unittest
 
+from click.testing import CliRunner
 
-class MyTestCase(unittest.TestCase):
-    def test_something(self):
-        self.assertTrue(True)
+from cleantoots.main import cli
+
+
+class SetupConfigTestCase(unittest.TestCase):
+    def setUp(self) -> None:
+        self.runner = CliRunner()
+
+    def test_setup_config(self):
+        with self.runner.isolated_filesystem():
+            result = self.runner.invoke(cli, ["-d", ".", "setup-config"])
+            self.assertEqual(result.exit_code, 0)
+            self.assertIn("config.ini written", result.output)
+            self.assertTrue(os.path.isfile(os.path.join(".", "config.ini")))
+
+    def test_setup_config_twice_fails(self):
+        with self.runner.isolated_filesystem():
+            self.runner.invoke(cli, ["-d", ".", "setup-config"])
+            self.assertTrue(os.path.isfile(os.path.join(".", "config.ini")))
+            result = self.runner.invoke(cli, ["-d", ".", "setup-config"])
+            self.assertEqual(result.exit_code, 1)
+            self.assertIn("Not touching anything", result.output)
+
+    def test_config_output(self):
+        with self.runner.isolated_filesystem():
+            self.runner.invoke(cli, ["-d", ".", "setup-config"])
+            result = self.runner.invoke(cli, ["-d", ".", "config"])
+            expected = [
+                "Mastodon.social",
+                "api_base_url",
+                "app_secret_file",
+                "user_secret_file",
+                "protected_toots",
+                "boost_limit",
+                "favorite_limit",
+                "days_count",
+                "timezone",
+            ]
+            for exp in expected:
+                self.assertIn(exp, result.output)
+
+    def test_login_output(self):
+        with self.runner.isolated_filesystem():
+            self.runner.invoke(cli, ["-d", ".", "setup-config"])
+            result = self.runner.invoke(cli, ["-d", ".", "login"], input="\nFAKECODE")
+            self.assertIn("Enter code for", result.output)
 
 
 if __name__ == "__main__":