[MetaSchedule][Minor] Fix Typo in ApplyCustomRule Schedule Rule (#13353)

* Fix typo.

* Add regression test.

src/meta_schedule/schedule_rule/apply_custom_rule.cc

@@ -85,7 +85,7 @@ bool ScheduleRule::IsApplyCustomRule(const ScheduleRule& rule) {
 }
 
 TVM_REGISTER_NODE_TYPE(ApplyCustomRuleNode);
-TVM_REGISTER_GLOBAL("meta_schedule.ScheduleApplyCustomRule")
+TVM_REGISTER_GLOBAL("meta_schedule.ScheduleRuleApplyCustomRule")
     .set_body_typed(ScheduleRule::ApplyCustomRule);
 
 }  // namespace meta_schedule

tests/python/unittest/test_meta_schedule_schedule_rule_apply_custom_rule.py

@@ -0,0 +1,66 @@
+# 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.
+# pylint: disable=missing-module-docstring,missing-function-docstring,missing-class-docstring
+from typing import List
+import tempfile
+import pytest
+
+import tvm
+from tvm import meta_schedule as ms
+from tvm.meta_schedule.schedule_rule import ApplyCustomRule
+from tvm.script import tir as T
+
+
+@tvm.script.ir_module
+class Matmul:
+    @T.prim_func
+    def main(a: T.handle, b: T.handle, c: T.handle) -> None:
+        T.func_attr({"global_symbol": "main"})
+        A = T.match_buffer(a, (1024, 1024), "float32")
+        B = T.match_buffer(b, (1024, 1024), "float32")
+        C = T.match_buffer(c, (1024, 1024), "float32")
+        for i, j, k in T.grid(1024, 1024, 1024):
+            with T.block("matmul"):
+                T.block_attr({"schedule_rule": "test_apply_custom_rule"})
+                vi, vj, vk = T.axis.remap("SSR", [i, j, k])
+                with T.init():
+                    C[vi, vj] = 0.0
+                C[vi, vj] = C[vi, vj] + A[vi, vk] * B[vk, vj]
+
+
+@tvm.register_func("meta_schedule.cpu.test_apply_custom_rule")
+def sch_fn(sch: tvm.tir.Schedule, block: tvm.tir.Block) -> List[tvm.tir.Schedule]:
+    raise ValueError("Intended for meta_schedule.cpu.test_apply_custom_rule")
+
+
+def test_custom_rule():
+    with pytest.raises(ValueError) as e_info:
+        with tempfile.TemporaryDirectory() as tmpdir:
+            sch_rules = [ApplyCustomRule()]
+            space_gen = ms.space_generator.PostOrderApply(sch_rules=sch_rules)
+            ms.tune_tir(
+                mod=Matmul,
+                target="llvm -num-cores=1",
+                work_dir=tmpdir,
+                max_trials_global=10,
+                space=space_gen,
+            )
+    assert "ValueError: Intended for meta_schedule.cpu.test_apply_custom_rule" in str(e_info.value)
+
+
+if __name__ == "__main__":
+    test_custom_rule()