75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
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package main_test
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import (
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"testing"
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)
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func TestMakeFat(t *testing.T) {
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if runtime.GOOS != "darwin" {
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t.Skip("works on darwin only")
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}
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// Make a directory to work in.
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dir, err := ioutil.TempDir("", "makefat")
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if err != nil {
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t.Fatalf("could not create directory: %v", err)
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}
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defer os.RemoveAll(dir)
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// List files we're working with.
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src := filepath.Join(dir, "test.go")
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amd64 := filepath.Join(dir, "amd64")
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arm64 := filepath.Join(dir, "arm64")
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fat := filepath.Join(dir, "fat")
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// Create test source.
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f, err := os.Create(src)
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if err != nil {
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t.Fatalf("could not create source file: %v", err)
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}
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f.Write([]byte(`
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package main
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import "fmt"
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func main() {
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fmt.Println("hello world")
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}
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`))
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f.Close()
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// Compile test code in both amd64 and arm64.
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cmd := exec.Command("go", "build", "-o", amd64, src)
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cmd.Env = append(os.Environ(), "GOARCH=amd64")
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out, err := cmd.CombinedOutput()
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if err != nil {
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t.Fatalf("could not build amd64 target: %v\n%s\n", err, string(out))
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}
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cmd = exec.Command("go", "build", "-o", arm64, src)
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cmd.Env = append(os.Environ(), "GOARCH=arm64")
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out, err = cmd.CombinedOutput()
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if err != nil {
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t.Fatalf("could not build arm64 target: %v\n%s\n", err, string(out))
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}
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// Build fat binary.
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cmd = exec.Command("go", "run", "makefat.go", fat, amd64, arm64)
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out, err = cmd.CombinedOutput()
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if err != nil {
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t.Fatalf("could not build fat target: %v\n%s\n", err, string(out))
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}
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// Run fat binary.
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cmd = exec.Command(fat)
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out, err = cmd.CombinedOutput()
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if err != nil {
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t.Fatalf("could not run fat target: %v", err)
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}
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if string(out) != "hello world\n" {
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t.Errorf("got=%s, want=hello world\n", string(out))
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}
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}
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