[backend][assetmodel] Add defaultFormat method

This method simplify the code to retrive the format
to put as default value when, for example, creating
a new input or output for an algorithm as well as
values for tests.

beat/editor/backend/assetmodel.py

@@ -280,6 +280,14 @@ class DataFormatModel(AbstractAssetModel):
 
         return os.path.join(self.prefix_path, self.__asset_type.path)
 
+    def defaultFormat(self):
+        """Returns a format used to setup a default value
+
+        :returns: the default format
+        """
+
+        return self.index(0).data()
+
     def setFullListEnabled(self, enabled):
         """Enable/disable the full list mode
 

beat/editor/test/test_protocoletemplateditor.py

@@ -46,13 +46,17 @@ def dataformat_model(test_prefix):
 
 
 @pytest.fixture()
-def reference_set_json():
-    return {"name": "test", "outputs": {"out1": "int8"}}
+def reference_set_json(dataformat_model):
+    return {"name": "test", "outputs": {"out1": dataformat_model.defaultFormat()}}
 
 
 @pytest.fixture()
-def reference_pt_json():
-    return {"sets": [{"name": "original", "outputs": {"a": "int8"}}]}
+def reference_pt_json(dataformat_model):
+    return {
+        "sets": [
+            {"name": "original", "outputs": {"a": dataformat_model.defaultFormat()}}
+        ]
+    }
 
 
 class TestSetWidget:
@@ -68,7 +72,7 @@ class TestSetWidget:
 
     def test_add_output(self, qtbot, dataformat_model, reference_set_json):
         edited_json = copy.deepcopy(reference_set_json)
-        edited_json["outputs"]["Change_me"] = "int8"
+        edited_json["outputs"]["Change_me"] = dataformat_model.defaultFormat()
 
         set_widget = SetWidget(dataformat_model)
         set_widget.load(reference_set_json)
@@ -114,11 +118,16 @@ class TestProtocolTemplateEditor:
 
             assert editor.dump_json() == json_data
 
-    def test_add_set(self, qtbot, monkeypatch, beat_context, reference_pt_json):
+    def test_add_set(
+        self, qtbot, monkeypatch, beat_context, reference_pt_json, dataformat_model
+    ):
         edited_json = copy.deepcopy(reference_pt_json)
         edited_json["schema_version"] = 1
         edited_json["sets"].append(
-            {"name": "test_set", "outputs": {"Change_me": "int8"}}
+            {
+                "name": "test_set",
+                "outputs": {"Change_me": dataformat_model.defaultFormat()},
+            }
         )
 
         monkeypatch.setattr(

beat/editor/widgets/algorithmeditor.py

@@ -462,7 +462,7 @@ class IOWidget(QGroupBox):
         new_row = self.tablewidget.rowCount()
         self.tablewidget.setRowCount(new_row + 1)
         name_item = QTableWidgetItem(self.tr("Name_me"))
-        type_item = QTableWidgetItem(self.dataformat_model.index(0).data())
+        type_item = QTableWidgetItem(self.dataformat_model.defaultFormat())
         self.tablewidget.setItem(new_row, 0, name_item)
         self.tablewidget.setItem(new_row, 1, type_item)
         self.tablewidget.scrollToItem(name_item)

beat/editor/widgets/protocoltemplateeditor.py

@@ -116,7 +116,7 @@ class SetWidget(QWidget):
         new_row = self.outputs_tablewidget.rowCount()
         self.outputs_tablewidget.setRowCount(new_row + 1)
         name_item = QTableWidgetItem(self.tr("Change_me"))
-        type_item = QTableWidgetItem(self.dataformat_model.index(0).data())
+        type_item = QTableWidgetItem(self.dataformat_model.defaultFormat())
         self.outputs_tablewidget.setItem(new_row, 0, name_item)
         self.outputs_tablewidget.setItem(new_row, 1, type_item)
         self.outputs_tablewidget.scrollToItem(type_item)
@@ -235,7 +235,7 @@ class ProtocolTemplateEditor(AbstractAssetEditor):
                             {
                                 "name": name,
                                 "outputs": {
-                                    "Change_me": self.dataformat_model.index(0).data()
+                                    "Change_me": self.dataformat_model.defaultFormat()
                                 },
                             }
                         ]