Update and rename test_full_stack_simulation.py. to test_full_stack_simulation.py

name fix

Author: prathameshnium

tests/test_full_stack_simulation.py

@@ -0,0 +1,72 @@
+import unittest
+import sys
+import os
+from unittest.mock import MagicMock, patch
+
+# -------------------------------------------------------------------------
+# GLOBAL MOCKS (The "Headless" GUI Trick)
+# -------------------------------------------------------------------------
+sys.modules['tkinter'] = MagicMock()
+sys.modules['tkinter.ttk'] = MagicMock()
+sys.modules['tkinter.messagebox'] = MagicMock()
+sys.modules['tkinter.filedialog'] = MagicMock()
+sys.modules['matplotlib'] = MagicMock()
+sys.modules['matplotlib.pyplot'] = MagicMock()
+sys.modules['matplotlib.backends.backend_tkagg'] = MagicMock()
+sys.modules['pyvisa'] = MagicMock()
+sys.modules['pymeasure'] = MagicMock()
+sys.modules['PIL'] = MagicMock()
+sys.modules['PIL.Image'] = MagicMock()
+sys.modules['PIL.ImageTk'] = MagicMock()
+
+class TestFullStack(unittest.TestCase):
+
+    def setUp(self):
+        self.root_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
+        if self.root_dir not in sys.path:
+            sys.path.insert(0, self.root_dir)
+
+    def test_launcher_buttons(self):
+        """
+        Verify that the Launcher buttons point to valid script paths 
+        and attempt to launch a process.
+        """
+        print("\n[FULL-STACK] Testing Launcher Integration...")
+        
+        try:
+            import PICA_v6 as launcher
+        except ImportError:
+            self.skipTest("Could not import PICA_v6.py")
+
+        # We spy on the 'Process' class to see if it gets called
+        with patch('multiprocessing.Process') as MockProcess:
+            
+            # Initialize the App (Headless)
+            app = launcher.PICALauncherApp(MagicMock())
+            
+            # Pick a button to test (e.g., "K2400 I-V")
+            script_key = "K2400 I-V"
+            if script_key in app.SCRIPT_PATHS:
+                # Simulate the button click action
+                target_script = app.SCRIPT_PATHS[script_key]
+                app.launch_script(target_script)
+                
+                # ASSERTION 1: Did we try to spawn a process?
+                MockProcess.assert_called()
+                
+                # ASSERTION 2: Did we pass the correct script?
+                _, kwargs = MockProcess.call_args
+                args = kwargs.get('args', [])
+                if args:
+                    # The first arg to the process should be the script path
+                    self.assertIn("IV_K2400_Frontend", str(args[0]))
+                    print(f"   -> Verified: Launcher targeted correct script: {os.path.basename(str(args[0]))}")
+                
+                # ASSERTION 3: Did we start it?
+                MockProcess.return_value.start.assert_called()
+                print("   -> Verified: Process launched successfully.")
+            else:
+                self.fail(f"Key '{script_key}' not found in Launcher config.")
+
+if __name__ == '__main__':
+    unittest.main()