Hide name changing functionality when in folder deletion mode

Also add 'back' link
Also start work on additional tests for folder deletion flow

tests/app/main/views/test_template_folders.py

@@ -378,6 +378,60 @@ def test_rename_folder(client_request, service_one, mock_get_template_folders, m
     )
 
 
+def test_delete_template_folder_should_request_confirmation(
+    client_request, service_one, mock_get_template_folders, mocker
+):
+    service_one['permissions'] += ['edit_folders']
+    folder_id = str(uuid.uuid4())
+    mock_get_template_folders.side_effect = [[
+        {'id': folder_id, 'name': 'sacrifice', 'parent_id': None},
+    ], []]
+    mocker.patch(
+        'app.models.service.Service.get_templates',
+        return_value=[],
+    )
+    page = client_request.get(
+        'main.delete_template_folder', service_id=service_one['id'],
+        template_folder_id=folder_id
+    )
+    assert normalize_spaces(page.select('.banner-dangerous')[0].text) == (
+        'Are you sure you want to delete the ‘sacrifice’ folder? '
+        'Yes, delete'
+    )
+
+    assert len(page.select('label')) == 0
+    assert len(page.select('button')) == 1
+    assert "Back to manage folder page" in page.text
+
+
+def test_delete_template_folder_should_detect_non_empty_folder_on_get(
+    client_request, service_one, mock_get_template_folders, mocker
+):
+    service_one['permissions'] += ['edit_folders']
+    folder_id = str(uuid.uuid4())
+    child_folder_id = str(uuid.uuid4())
+    mock_get_template_folders.side_effect = [[
+        {'id': folder_id, 'name': 'sacrifice', 'parent_id': None},
+    ], [{'id': child_folder_id, 'name': 'sacrifice', 'parent_id': None}]]
+    mocker.patch(
+        'app.models.service.Service.get_templates',
+        return_value=[],
+    )
+    page = client_request.get(
+        'main.delete_template_folder', service_id=service_one['id'],
+        template_folder_id=folder_id
+    )
+    import pdb; pdb.set_trace()
+    assert normalize_spaces(page.select('.banner-dangerous')[0].text) == (
+        'Are you sure you want to delete the ‘sacrifice’ folder? '
+        'Yes, delete'
+    )
+
+    assert len(page.select('label')) == 0
+    assert len(page.select('button')) == 1
+    assert "Back to manage folder page" in page.text
+
+
 def test_delete_folder(client_request, service_one, mock_get_template_folders, mocker):
     mock_delete = mocker.patch('app.template_folder_api_client.delete_template_folder')
     folder_id = str(uuid.uuid4())