// Copyright 2015 Google Inc. All rights reserved
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// gen_testcase_parse_benchmark is a program to generate benchmark tests
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// for parsing testcases.
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//
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package main
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import (
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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"text/template"
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)
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const preamble = `package kati
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import (
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"io/ioutil"
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"testing"
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)
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`
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var tmpl = template.Must(template.New("benchmarktest").Parse(`
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func BenchmarkTestcaseParse{{.Name}}(b *testing.B) {
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data, err := ioutil.ReadFile({{.Filename | printf "%q"}})
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if err != nil {
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b.Fatal(err)
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}
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mk := string(data)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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parseMakefileString(mk, srcpos{
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filename: {{.Filename | printf "%q"}},
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lineno: 0,
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})
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}
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}
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`))
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func testName(fname string) string {
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base := filepath.Base(fname)
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i := strings.Index(base, ".")
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if i >= 0 {
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base = base[:i]
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}
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base = strings.Replace(base, "-", "", -1)
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tn := strings.Title(base)
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return tn
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}
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func writeBenchmarkTest(w io.Writer, fname string) {
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name := testName(fname)
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if strings.HasPrefix(name, "Err") {
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return
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}
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err := tmpl.Execute(w, struct {
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Name string
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Filename string
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}{
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Name: testName(fname),
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Filename: fname,
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})
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if err != nil {
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panic(err)
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}
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}
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func main() {
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f, err := os.Create("testcase_parse_benchmark_test.go")
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if err != nil {
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panic(err)
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}
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defer func() {
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err := f.Close()
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if err != nil {
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panic(err)
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}
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}()
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fmt.Fprint(f, preamble)
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matches, err := filepath.Glob("testcase/*.mk")
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if err != nil {
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panic(err)
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}
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for _, tc := range matches {
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writeBenchmarkTest(f, tc)
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}
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}
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