fix: mock launch_token in tests and assert exact error messages

Signed-off-by: 🄂ʏᴇᴅ 🄰ʙᴅᴜʟ 🄰ᴍᴀ🄝 ✧ <amanbaba9404522@gmail.com>

Author: P-r-e-m-i-u-m

tests/test_commands/test_launch_cmd.py

@@ -1,3 +1,5 @@
+from unittest.mock import Mock
+
 import pytest
 from typer.testing import CliRunner
 
@@ -7,16 +9,20 @@
 
 
 @pytest.mark.parametrize("name,ticker,desc,expected_error", [
-    ("", "TST", "test", "name"),
-    ("   ", "TST", "test", "name"),
-    ("MyToken", "", "test", "ticker"),
-    ("MyToken", "   ", "test", "ticker"),
-    ("MyToken", "TST", "", "description"),
-    ("MyToken", "TST", "   ", "description"),
+    ("", "TST", "test", "token name cannot be empty."),
+    ("   ", "TST", "test", "token name cannot be empty."),
+    ("MyToken", "", "test", "token ticker cannot be empty."),
+    ("MyToken", "   ", "test", "token ticker cannot be empty."),
+    ("MyToken", "TST", "", "token description cannot be empty."),
+    ("MyToken", "TST", "   ", "token description cannot be empty."),
 ])
 def test_launch_rejects_empty_inputs(tmp_path, monkeypatch, name, ticker, desc, expected_error):
     """launch rejects empty or whitespace-only name, ticker, or description."""
     monkeypatch.setenv("XDG_CONFIG_HOME", str(tmp_path))
+    launch_token_mock = Mock(side_effect=AssertionError("launch_token must not be called for invalid input"))
+    monkeypatch.setattr("pumpfun_cli.commands.launch.launch_token", launch_token_mock)
+
     result = runner.invoke(app, ["launch", "--name", name, "--ticker", ticker, "--desc", desc])
     assert result.exit_code != 0
-    assert expected_error in result.output.lower()
+    assert expected_error in result.output.lower()
+    launch_token_mock.assert_not_called()