casetest: create hint test to improve test performance (#45447)

ref #44940

planner/core/casetest/BUILD.bazel

@@ -21,9 +21,7 @@ go_test(
         "//domain",
         "//parser",
         "//parser/model",
-        "//parser/terror",
         "//planner/core",
-        "//planner/core/internal",
         "//planner/property",
         "//session",
         "//sessionctx/stmtctx",

planner/core/casetest/hint/BUILD.bazel

@@ -0,0 +1,28 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_test")
+
+go_test(
+    name = "hint_test",
+    timeout = "short",
+    srcs = [
+        "hint_test.go",
+        "main_test.go",
+    ],
+    data = glob(["testdata/**"]),
+    flaky = True,
+    shard_count = 15,
+    deps = [
+        "//domain",
+        "//parser/model",
+        "//parser/terror",
+        "//planner/core",
+        "//planner/core/internal",
+        "//sessionctx/stmtctx",
+        "//sessionctx/variable",
+        "//testkit",
+        "//testkit/testdata",
+        "//testkit/testmain",
+        "//testkit/testsetup",
+        "@com_github_stretchr_testify//require",
+        "@org_uber_go_goleak//:goleak",
+    ],
+)

planner/core/casetest/hint/main_test.go

@@ -0,0 +1,54 @@
+// Copyright 2023 PingCAP, Inc.
+//
+// Licensed 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.
+
+package hint
+
+import (
+	"flag"
+	"testing"
+
+	"github.com/pingcap/tidb/testkit/testdata"
+	"github.com/pingcap/tidb/testkit/testmain"
+	"github.com/pingcap/tidb/testkit/testsetup"
+	"go.uber.org/goleak"
+)
+
+var testDataMap = make(testdata.BookKeeper)
+
+func TestMain(m *testing.M) {
+	testsetup.SetupForCommonTest()
+
+	flag.Parse()
+	testDataMap.LoadTestSuiteData("testdata", "integration_suite")
+
+	opts := []goleak.Option{
+		goleak.IgnoreTopFunction("github.com/golang/glog.(*fileSink).flushDaemon"),
+		goleak.IgnoreTopFunction("github.com/lestrrat-go/httprc.runFetchWorker"),
+		goleak.IgnoreTopFunction("go.etcd.io/etcd/client/pkg/v3/logutil.(*MergeLogger).outputLoop"),
+		goleak.IgnoreTopFunction("gopkg.in/natefinch/lumberjack%2ev2.(*Logger).millRun"),
+		goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/txnkv/transaction.keepAlive"),
+		goleak.IgnoreTopFunction("go.opencensus.io/stats/view.(*worker).start"),
+	}
+
+	callback := func(i int) int {
+		testDataMap.GenerateOutputIfNeeded()
+		return i
+	}
+
+	goleak.VerifyTestMain(testmain.WrapTestingM(m, callback), opts...)
+}
+
+func GetIntegrationSuiteData() testdata.TestData {
+	return testDataMap["integration_suite"]
+}