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1 // Copyright 2019 The Go Authors. All rights reserved.
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2 // Use of this source code is governed by a BSD-style
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3 // license that can be found in the LICENSE file.
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4
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5 package life_test
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6
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7 import (
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8 "bytes"
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9 "io/ioutil"
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10 "log"
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11 "os"
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12 "os/exec"
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13 "path/filepath"
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14 "strings"
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15 "testing"
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16 )
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17
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18 func TestMain(m *testing.M) {
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19 log.SetFlags(log.Lshortfile)
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20 os.Exit(testMain(m))
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21 }
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22
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23 func testMain(m *testing.M) int {
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24 GOPATH, err := ioutil.TempDir("", "cgolife")
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25 if err != nil {
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26 log.Panic(err)
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27 }
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28 defer os.RemoveAll(GOPATH)
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29 os.Setenv("GOPATH", GOPATH)
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30
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31 // Copy testdata into GOPATH/src/cgolife, along with a go.mod file
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32 // declaring the same path.
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33 modRoot := filepath.Join(GOPATH, "src", "cgolife")
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34 if err := overlayDir(modRoot, "testdata"); err != nil {
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35 log.Panic(err)
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36 }
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37 if err := os.Chdir(modRoot); err != nil {
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38 log.Panic(err)
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39 }
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40 os.Setenv("PWD", modRoot)
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41 if err := ioutil.WriteFile("go.mod", []byte("module cgolife\n"), 0666); err != nil {
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42 log.Panic(err)
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43 }
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44
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45 return m.Run()
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46 }
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47
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48 func TestTestRun(t *testing.T) {
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49 if os.Getenv("GOOS") == "android" {
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50 t.Skip("the go tool runs with CGO_ENABLED=0 on the android device")
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51 }
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52 out, err := exec.Command("go", "env", "GOROOT").Output()
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53 if err != nil {
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54 t.Fatal(err)
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55 }
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56 GOROOT := string(bytes.TrimSpace(out))
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57
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58 cmd := exec.Command("go", "run", filepath.Join(GOROOT, "test", "run.go"), "-", ".")
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59 out, err = cmd.CombinedOutput()
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60 if err != nil {
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61 t.Fatalf("%s: %s\n%s", strings.Join(cmd.Args, " "), err, out)
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62 }
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63 t.Logf("%s:\n%s", strings.Join(cmd.Args, " "), out)
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64 }
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