Uploaded Test files

venv/Lib/site-packages/ipywidgets/widgets/tests/test_widget_box.py

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+# Copyright (c) Jupyter Development Team.
+# Distributed under the terms of the Modified BSD License.
+
+from unittest import TestCase
+
+from traitlets import TraitError
+
+import ipywidgets as widgets
+
+
+class TestBox(TestCase):
+
+    def test_construction(self):
+        box = widgets.Box()
+        assert box.get_state()['children'] == []
+
+    def test_construction_with_children(self):
+        html = widgets.HTML('some html')
+        slider = widgets.IntSlider()
+        box = widgets.Box([html, slider])
+        children_state = box.get_state()['children']
+        assert children_state == [
+            widgets.widget._widget_to_json(html, None),
+            widgets.widget._widget_to_json(slider, None),
+        ]
+
+    def test_construction_style(self):
+        box = widgets.Box(box_style='warning')
+        assert box.get_state()['box_style'] == 'warning'
+
+    def test_construction_invalid_style(self):
+        with self.assertRaises(TraitError):
+            widgets.Box(box_style='invalid')