chore: import upstream snapshot with attribution

2026-07-13 12:25:07 +08:00
commit a26e856398
1681 changed files with 296950 additions and 0 deletions
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+#  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
+#  ┃ ██████ ██████ ██████       █      █      █      █      █ █▄  ▀███ █       ┃
+#  ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█  ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄  ▀█ █ ▀▀▀▀▀ ┃
+#  ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄   █ ▄▄▄▄▄ ┃
+#  ┃ █      ██████ █  ▀█▄       █ ██████      █      ███▌▐███ ███████▄ █       ┃
+#  ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
+#  ┃ Copyright (c) 2017, the Perspective Authors.                              ┃
+#  ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
+#  ┃ This file is part of the Perspective library, distributed under the terms ┃
+#  ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
+#  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
+
+import perspective as psp
+
+client = psp.Server().new_local_client()
+Table = client.table
+
+
+class TestDelete(object):
+    # delete
+
+    def test_table_delete(self):
+        data = [{"a": 1, "b": 2}, {"a": 3, "b": 4}]
+        tbl = Table(data)
+        tbl.delete()
+        # don't segfault
+
+    def test_table_delete_callback(self, sentinel):
+        s = sentinel(False)
+
+        def callback():
+            s.set(True)
+
+        data = [{"a": 1, "b": 2}, {"a": 3, "b": 4}]
+        tbl = Table(data)
+        tbl.on_delete(callback)
+        tbl.delete()
+        assert s.get() is True
+
+    def test_table_delete_with_view(self, sentinel):
+        s = sentinel(False)
+
+        def callback():
+            s.set(True)
+
+        data = [{"a": 1, "b": 2}, {"a": 3, "b": 4}]
+        tbl = Table(data)
+        tbl.on_delete(callback)
+        view = tbl.view()
+        view.delete()
+        tbl.delete()
+        assert s.get() is True
+
+    def test_table_delete_multiple_callback(self, sentinel):
+        s1 = sentinel(False)
+        s2 = sentinel(False)
+
+        def callback1():
+            s1.set(True)
+
+        def callback2():
+            s2.set(True)
+
+        tbl = Table([{"a": 1}])
+        tbl.on_delete(callback1)
+        tbl.on_delete(callback2)
+
+        tbl.delete()
+
+        assert s1.get() is True
+        assert s2.get() is True
+
+    def test_table_remove_delete_callback(self, sentinel):
+        s = sentinel(False)
+
+        def callback():
+            s.set(True)
+
+        tbl = Table([{"a": 1}])
+        callback_id = tbl.on_delete(callback)
+        tbl.remove_delete(callback_id)
+
+        tbl.delete()
+
+        assert s.get() is False
+
+    def test_view_delete_multiple_callback(self, sentinel):
+        s1 = sentinel(False)
+        s2 = sentinel(False)
+
+        def callback1():
+            s1.set(True)
+
+        def callback2():
+            s2.set(True)
+
+        tbl = Table([{"a": 1}])
+        view = tbl.view()
+
+        view.on_delete(callback1)
+        view.on_delete(callback2)
+
+        view.delete()
+        tbl.delete()
+
+        assert s1.get() is True
+        assert s2.get() is True
+
+    def test_view_remove_delete_callback(self, sentinel):
+        s = sentinel(False)
+
+        def callback():
+            s.set(True)
+
+        tbl = Table([{"a": 1}])
+        view = tbl.view()
+
+        callback_id = view.on_delete(callback)
+        view.remove_delete(callback_id)
+
+        view.delete()
+        tbl.delete()
+
+        assert s.get() is False