junrushao1994 commented on code in PR #12101: URL: https://github.com/apache/tvm/pull/12101#discussion_r931675975
########## tests/python/unittest/test_container_structural_equal.py: ########## @@ -0,0 +1,150 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +import pytest + +import tvm +from tvm.ir.base import get_first_structural_mismatch +from tvm.runtime import ObjectPath + + +def get_first_mismatch_ensure_symmetry(a, b): + mismatch = get_first_structural_mismatch(a, b) + mismatch_swapped = get_first_structural_mismatch(b, a) + + if mismatch is None and mismatch_swapped is None: + return None + + if ( + mismatch is None + or mismatch_swapped is None + or mismatch[0] != mismatch_swapped[1] + or mismatch[1] != mismatch_swapped[0] + ): + raise AssertionError( + "get_first_structural_mismatch(a, b) and get_first_structural_mismatch(b, a) returned" + " inconsistent results '{}' and '{}' for a='{}', b='{}'".format( + mismatch, mismatch_swapped, a, b + ) + ) + + a_path, b_path = mismatch + b_path_swapped, a_path_swapped = mismatch_swapped + assert a_path == a_path_swapped + assert b_path == b_path_swapped + + return mismatch + + [email protected]( + "a, b, expected_a_path, expected_b_path", + [ + ( + [1, 2, 3], + [1, 4, 3], + ObjectPath.root().array_index(1).attr("value"), + ObjectPath.root().array_index(1).attr("value"), + ), + ( + [1, 2, 3], + [10, 2, 30], + ObjectPath.root().array_index(0).attr("value"), + ObjectPath.root().array_index(0).attr("value"), + ), + ( + [1, 3, 4], + [1, 2, 3, 4], + ObjectPath.root().array_index(1).attr("value"), + ObjectPath.root().array_index(1).attr("value"), + ), + ( + [1, 2, 3], + [1, 2, 3, 4], + ObjectPath.root().missing_array_element(3), + ObjectPath.root().array_index(3), + ), + ( + [], + [1], + ObjectPath.root().missing_array_element(0), + ObjectPath.root().array_index(0), + ), + ], +) +def test_array_structural_mismatch(a, b, expected_a_path, expected_b_path): + a = tvm.runtime.convert(a) + b = tvm.runtime.convert(b) + a_path, b_path = get_first_mismatch_ensure_symmetry(a, b) + assert a_path == expected_a_path + assert b_path == expected_b_path + + [email protected]( + "contents", + [ + [], + [1], + [1, 2, 3], + ], +) +def test_array_structural_equal_to_self(contents): + a = tvm.runtime.convert(list(contents)) + b = tvm.runtime.convert(list(contents)) + assert get_first_mismatch_ensure_symmetry(a, b) is None + + [email protected]( + "a, b, expected_a_path, expected_b_path", + [ + ( + dict(a=3, b=4), + dict(a=3, b=5), + ObjectPath.root().map_value("b").attr("value"), + ObjectPath.root().map_value("b").attr("value"), + ), + ( + dict(a=3, b=4), + dict(a=3, b=4, c=5), + ObjectPath.root().missing_map_entry(), + ObjectPath.root().map_value("c"), + ), + ], +) +def test_string_map_structural_mismatch(a, b, expected_a_path, expected_b_path): + a = tvm.runtime.convert(a) + b = tvm.runtime.convert(b) + a_path, b_path = get_first_mismatch_ensure_symmetry(a, b) + assert a_path == expected_a_path + assert b_path == expected_b_path + + [email protected]( + "contents", + [ + dict(), + dict(a=1), + dict(a=3, b=4, c=5), + ], +) +def test_string_structural_equal_to_self(contents): + a = tvm.runtime.convert(dict(contents)) + b = tvm.runtime.convert(dict(contents)) + assert get_first_mismatch_ensure_symmetry(a, b) is None + + +# The behavior of structural equality for maps with non-string keys is fairly specific +# to IR variables because it assumes that map keys have been "mapped" using +# `SEqualReducer::FreeVarEqualImpl()`. So we leave this case to TIR tests. Review Comment: nit: Let's append some epilogue to this file so that this single file could be executed independently using `python /path/to/file`. ```python if __name__ == "__main__": tvm.testing.main() ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
