| 1 | // Copyright 2015 The Go Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | package main |
| 6 | |
| 7 | import ( |
| 8 | "bytes" |
| 9 | "io/ioutil" |
| 10 | "os" |
| 11 | "os/exec" |
| 12 | "runtime" |
| 13 | "testing" |
| 14 | |
| 15 | "golang.org/x/tools/go/packages/packagestest" |
| 16 | ) |
| 17 | |
| 18 | func TestBundle(t *testing.T) { packagestest.TestAll(t, testBundle) } |
| 19 | func testBundle(t *testing.T, x packagestest.Exporter) { |
| 20 | load := func(name string) string { |
| 21 | data, err := ioutil.ReadFile(name) |
| 22 | if err != nil { |
| 23 | t.Fatal(err) |
| 24 | } |
| 25 | return string(data) |
| 26 | } |
| 27 | |
| 28 | e := packagestest.Export(t, x, []packagestest.Module{ |
| 29 | { |
| 30 | Name: "initial", |
| 31 | Files: map[string]interface{}{ |
| 32 | "a.go": load("testdata/src/initial/a.go"), |
| 33 | "b.go": load("testdata/src/initial/b.go"), |
| 34 | "c.go": load("testdata/src/initial/c.go"), |
| 35 | }, |
| 36 | }, |
| 37 | { |
| 38 | Name: "domain.name/importdecl", |
| 39 | Files: map[string]interface{}{ |
| 40 | "p.go": load("testdata/src/domain.name/importdecl/p.go"), |
| 41 | }, |
| 42 | }, |
| 43 | }) |
| 44 | defer e.Cleanup() |
| 45 | testingOnlyPackagesConfig = e.Config |
| 46 | |
| 47 | os.Args = os.Args[:1] // avoid e.g. -test=short in the output |
| 48 | out, err := bundle("initial", "github.com/dest", "dest", "prefix", "tag") |
| 49 | if err != nil { |
| 50 | t.Fatal(err) |
| 51 | } |
| 52 | |
| 53 | if got, want := string(out), load("testdata/out.golden"); got != want { |
| 54 | t.Errorf("-- got --\n%s\n-- want --\n%s\n-- diff --", got, want) |
| 55 | |
| 56 | if err := ioutil.WriteFile("testdata/out.got", out, 0644); err != nil { |
| 57 | t.Fatal(err) |
| 58 | } |
| 59 | t.Log(diff("testdata/out.golden", "testdata/out.got")) |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | func diff(a, b string) string { |
| 64 | var cmd *exec.Cmd |
| 65 | switch runtime.GOOS { |
| 66 | case "plan9": |
| 67 | cmd = exec.Command("/bin/diff", "-c", a, b) |
| 68 | default: |
| 69 | cmd = exec.Command("/usr/bin/diff", "-u", a, b) |
| 70 | } |
| 71 | var out bytes.Buffer |
| 72 | cmd.Stdout = &out |
| 73 | cmd.Stderr = &out |
| 74 | cmd.Run() // nonzero exit is expected |
| 75 | if out.Len() == 0 { |
| 76 | return "(failed to compute diff)" |
| 77 | } |
| 78 | return out.String() |
| 79 | } |
| 80 |
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