[CO] Adding test on draw_FEMM button

Tests/GUI/DMachineSetup/test_SPreview.py

@@ -1,6 +1,7 @@
 import sys
 from random import uniform
-from os.path import join, isfile
+from os import makedirs
+from os.path import join, isfile, isdir
 import mock
 
 import pytest
@@ -10,7 +11,7 @@
 
 from pyleecan.GUI.Dialog.DMachineSetup.DMachineSetup import DMachineSetup
 from pyleecan.GUI.Dialog.DMachineSetup.SPreview.SPreview import SPreview
-from Tests import TEST_DATA_DIR as data_test
+from Tests import TEST_DATA_DIR as data_test, save_gui_path
 from pyleecan.definitions import MAIN_DIR
 from pyleecan.Functions.load import load_matlib
 
@@ -48,25 +49,29 @@
 
 
 class TestSPreview(object):
-    @pytest.fixture
-    def setup(self):
-        """Run at the begining of every test to setup the gui"""
 
+    @classmethod
+    def setup_class(cls):
+        """Start the app for the test"""
+        print("\nStart Test TestSPreview")
         if not QtWidgets.QApplication.instance():
-            self.app = QtWidgets.QApplication(sys.argv)
+            cls.app = QtWidgets.QApplication(sys.argv)
         else:
-            self.app = QtWidgets.QApplication.instance()
+            cls.app = QtWidgets.QApplication.instance()
 
+    def setup_method(self):
+        """Run at the begining of every test to setup the gui"""
         # MatLib widget
         material_dict = load_matlib(matlib_path=matlib_path)
-        widget = DMachineSetup(material_dict=material_dict, machine_path=machine_path)
+        self.widget = DMachineSetup(material_dict=material_dict, machine_path=machine_path)
 
-        yield {"widget": widget}
-
-        self.app.quit()
+    @classmethod
+    def teardown_class(cls):
+        """Exit the app after the test"""
+        cls.app.quit()
 
     @pytest.mark.parametrize("test_dict", load_preview_test)
-    def test_load(self, setup, test_dict):
+    def test_load(self, test_dict):
         """Check that you can load a machine"""
         assert isfile(test_dict["file_path"])
 
@@ -75,20 +80,46 @@ def test_load(self, setup, test_dict):
             "PySide2.QtWidgets.QFileDialog.getOpenFileName", return_value=return_value
         ):
             # To trigger the slot
-            setup["widget"].b_load.clicked.emit()
+            self.widget.b_load.clicked.emit()
 
         # Check load MachineType
-        assert type(setup["widget"].w_step) is SPreview
+        assert type(self.widget.w_step) is SPreview
         # Check the table
         assert (
-            setup["widget"].w_step.tab_machine.tab_param.rowCount() == test_dict["Nrow"]
+            self.widget.w_step.tab_machine.tab_param.rowCount() == test_dict["Nrow"]
         )
         for ii, content in enumerate(test_dict["table"]):
             assert (
-                setup["widget"].w_step.tab_machine.tab_param.item(ii, 0).text()
+                self.widget.w_step.tab_machine.tab_param.item(ii, 0).text()
                 == content[0]
             )
             assert (
-                setup["widget"].w_step.tab_machine.tab_param.item(ii, 1).text()
+                self.widget.w_step.tab_machine.tab_param.item(ii, 1).text()
                 == content[1]
             )
+        # Check Draw FEMM
+        FEMM_dir = join(save_gui_path, "Draw_FEMM")
+        if not isdir(FEMM_dir):
+            makedirs(FEMM_dir)
+        femm_path = join(FEMM_dir, self.widget.machine.name+".fem")
+        assert not isfile(femm_path)
+
+        return_value = (
+            femm_path,
+            "FEMM (*.fem)",
+        )
+        with mock.patch(
+            "PySide2.QtWidgets.QFileDialog.getSaveFileName", return_value=return_value
+        ):
+            self.widget.w_step.tab_machine.b_FEMM.clicked.emit()
+        assert isfile(femm_path)
+
+if __name__ == "__main__":
+    a = TestSPreview()
+    a.setup_class()
+    a.setup_method()
+    for ii, test_dict in enumerate(load_preview_test):
+        print(ii)
+        a.test_load(test_dict)
+    # a.test_load(load_preview_test[0])
+    print("Done")