a664b0a7d6
Go 1.6 fixed a bug where compiling with the -pack flag allowed non-main packages to link. https://github.com/golang/go/issues/13468 This change uses package main for choosestage and gotestmain.
106 lines
2 KiB
Go
106 lines
2 KiB
Go
// 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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package main
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import (
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"bytes"
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"flag"
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"fmt"
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"go/ast"
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"go/parser"
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"go/token"
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"io/ioutil"
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"os"
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"strings"
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"text/template"
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)
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var (
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output = flag.String("o", "", "output filename")
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pkg = flag.String("pkg", "", "test package")
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exitCode = 0
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)
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type data struct {
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Package string
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Tests []string
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}
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func findTests(srcs []string) (tests []string) {
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for _, src := range srcs {
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f, err := parser.ParseFile(token.NewFileSet(), src, nil, 0)
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if err != nil {
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panic(err)
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}
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for _, obj := range f.Scope.Objects {
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if obj.Kind != ast.Fun || !strings.HasPrefix(obj.Name, "Test") {
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continue
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}
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tests = append(tests, obj.Name)
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}
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}
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return
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}
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func main() {
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flag.Parse()
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if flag.NArg() == 0 {
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fmt.Fprintln(os.Stderr, "error: must pass at least one input")
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exitCode = 1
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return
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}
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buf := &bytes.Buffer{}
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d := data{
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Package: *pkg,
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Tests: findTests(flag.Args()),
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}
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err := testMainTmpl.Execute(buf, d)
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if err != nil {
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panic(err)
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}
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err = ioutil.WriteFile(*output, buf.Bytes(), 0666)
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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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var testMainTmpl = template.Must(template.New("testMain").Parse(`
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package main
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import (
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"testing"
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pkg "{{.Package}}"
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)
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var t = []testing.InternalTest{
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{{range .Tests}}
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{"{{.}}", pkg.{{.}}},
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{{end}}
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}
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func matchString(pat, str string) (bool, error) {
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return true, nil
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}
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func main() {
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testing.Main(matchString, t, nil, nil)
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}
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`))
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