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 TestRemove(object):
+    def test_remove_all(self):
+        tbl = Table([{"a": "abc", "b": 123}], index="a")
+        tbl.remove(["abc"])
+        assert tbl.view().to_records() == []
+        # assert tbl.size() == 0
+
+    def test_remove_nonsequential(self):
+        tbl = Table(
+            [{"a": "abc", "b": 123}, {"a": "def", "b": 456}, {"a": "efg", "b": 789}],
+            index="a",
+        )
+        tbl.remove(["abc", "efg"])
+        assert tbl.view().to_records() == [{"a": "def", "b": 456}]
+        # assert tbl.size() == 1
+
+    def test_remove_multiple_single(self):
+        tbl = Table({"a": "integer", "b": "string"}, index="a")
+        for i in range(0, 10):
+            tbl.update([{"a": i, "b": str(i)}])
+        for i in range(1, 10):
+            tbl.remove([i])
+        assert tbl.view().to_records() == [{"a": 0, "b": "0"}]
+        # assert tbl.size() == 0
+
+    def test_remove_expressions(self):
+        schema = {"key": "string", "delta$": "float", "business_line": "string"}
+        data = [
+            {
+                "key": "A",
+                "delta$": 46412.3804275,
+            },
+            {
+                "key": "B",
+                "delta$": 2317615.875,
+            },
+        ]
+
+        table = Table(schema, index="key")
+        table.update(data)
+        table.remove(["A"])
+        view = table.view(
+            group_by=["business_line"],
+            columns=["delta$", "alias"],
+            expressions={
+                "alias": '"delta$"',
+            },
+        )
+
+        records = view.to_records()
+        assert records == [
+            {"__ROW_PATH__": [], "delta$": 2317615.875, "alias": 2317615.875},
+            {"__ROW_PATH__": [None], "delta$": 2317615.875, "alias": 2317615.875},
+        ]
+
+    def test_remove_expressions_after_view(self):
+        schema = {"key": "string", "delta$": "float", "business_line": "string"}
+        data = [
+            {
+                "key": "A",
+                "delta$": 46412.3804275,
+            },
+            {
+                "key": "B",
+                "delta$": 2317615.875,
+            },
+        ]
+
+        table = Table(schema, index="key")
+        table.update(data)
+        view = table.view(
+            group_by=["business_line"],
+            columns=["delta$", "alias"],
+            expressions={
+                "alias": '"delta$"',
+            },
+        )
+
+        table.remove(["A"])
+        records = view.to_records()
+        assert records == [
+            {"__ROW_PATH__": [], "delta$": 2317615.875, "alias": 2317615.875},
+            {"__ROW_PATH__": [None], "delta$": 2317615.875, "alias": 2317615.875},
+        ]