Files
tidb/tools/tazel/ast.go
2023-04-06 15:46:58 +08:00

75 lines
1.6 KiB
Go

// 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 main
import (
"go/ast"
"go/parser"
"go/token"
"io/fs"
"path/filepath"
"strings"
"github.com/pingcap/log"
"go.uber.org/zap"
)
var testMap map[string]uint32
func initCount() {
testMap = make(map[string]uint32)
}
func addTestMap(path string) {
if _, ok := testMap[path]; !ok {
testMap[path] = 0
}
testMap[path]++
}
func walk() {
err := filepath.Walk(".", func(path string, d fs.FileInfo, _ error) error {
if d.IsDir() || !strings.HasSuffix(d.Name(), "_test.go") {
return nil
}
return scan(path)
})
if err != nil {
log.Fatal("fail to walk", zap.Error(err))
}
}
func scan(path string) error {
fset := token.NewFileSet()
path, err := filepath.Abs(path)
if err != nil {
return err
}
f, err := parser.ParseFile(fset, path, nil, parser.AllErrors)
if err != nil {
return err
}
for _, n := range f.Decls {
funcDecl, ok := n.(*ast.FuncDecl)
if ok {
if strings.HasPrefix(funcDecl.Name.Name, "Test") && funcDecl.Recv == nil &&
funcDecl.Name.Name != "TestMain" {
addTestMap(filepath.Dir(path))
}
}
}
return nil
}