756 generic data fields (#1608)

* Adds the ability to add custom user fields for registration/profile settings
* Admins can create fields that users can optionally edit 
* Works on #756

tests/admin/test_fields.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from tests.helpers import (
+    create_ctfd,
+    destroy_ctfd,
+    gen_field,
+    login_as_user,
+    register_user,
+)
+
+
+def test_admin_view_fields():
+    app = create_ctfd()
+    with app.app_context():
+        register_user(app)
+
+        gen_field(
+            app.db, name="CustomField1", required=True, public=True, editable=True
+        )
+        gen_field(
+            app.db, name="CustomField2", required=False, public=True, editable=True
+        )
+        gen_field(
+            app.db, name="CustomField3", required=False, public=False, editable=True
+        )
+        gen_field(
+            app.db, name="CustomField4", required=False, public=False, editable=False
+        )
+
+        with login_as_user(app, name="admin") as admin:
+            # Admins should see all user fields regardless of public or editable
+            r = admin.get("/admin/users/2")
+            resp = r.get_data(as_text=True)
+            assert "CustomField1" in resp
+            assert "CustomField2" in resp
+            assert "CustomField3" in resp
+            assert "CustomField4" in resp
+    destroy_ctfd(app)