Initial commit

packages/leann-backend-hnsw/third_party/faiss/tests/external_module_test.py

@@ -0,0 +1,66 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+import unittest
+
+import faiss
+
+import faiss.faiss_example_external_module as external_module
+
+import numpy as np
+
+
+class TestCustomIDSelector(unittest.TestCase):
+    """test if we can construct a custom IDSelector"""
+
+    def test_IDSelector(self):
+        ids = external_module.IDSelectorModulo(3)
+        self.assertFalse(ids.is_member(1))
+        self.assertTrue(ids.is_member(3))
+
+
+class TestArrayConversions(unittest.TestCase):
+
+    def test_idx_array(self):
+        tab = np.arange(10).astype("int64")
+        new_sum = external_module.sum_of_idx(len(tab), faiss.swig_ptr(tab))
+        self.assertEqual(new_sum, tab.sum())
+
+    def do_array_test(self, ty):
+        tab = np.arange(10).astype(ty)
+        func = getattr(external_module, "sum_of_" + ty)
+        print("perceived type", faiss.swig_ptr(tab))
+        new_sum = func(len(tab), faiss.swig_ptr(tab))
+        self.assertEqual(new_sum, tab.sum())
+
+    def test_sum_uint8(self):
+        self.do_array_test("uint8")
+
+    def test_sum_uint16(self):
+        self.do_array_test("uint16")
+
+    def test_sum_uint32(self):
+        self.do_array_test("uint32")
+
+    def test_sum_uint64(self):
+        self.do_array_test("uint64")
+
+    def test_sum_int8(self):
+        self.do_array_test("int8")
+
+    def test_sum_int16(self):
+        self.do_array_test("int16")
+
+    def test_sum_int32(self):
+        self.do_array_test("int32")
+
+    def test_sum_int64(self):
+        self.do_array_test("int64")
+
+    def test_sum_float32(self):
+        self.do_array_test("float32")
+
+    def test_sum_float64(self):
+        self.do_array_test("float64")