package command import ( "bytes" "crypto/md5" "encoding/base64" "encoding/json" "net/http" "net/http/httptest" "os" "path/filepath" "testing" "github.com/hashicorp/terraform/terraform" "github.com/mitchellh/cli" ) func TestPull_noRemote(t *testing.T) { tmp, cwd := testCwd(t) defer testFixCwd(t, tmp, cwd) ui := new(cli.MockUi) c := &PullCommand{ Meta: Meta{ ContextOpts: testCtxConfig(testProvider()), Ui: ui, }, } args := []string{} if code := c.Run(args); code != 1 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } } func TestPull_local(t *testing.T) { tmp, cwd := testCwd(t) defer testFixCwd(t, tmp, cwd) s := terraform.NewState() s.Serial = 10 conf, srv := testRemoteState(t, s, 200) s = terraform.NewState() s.Serial = 5 s.Remote = conf defer srv.Close() // Store the local state statePath := filepath.Join(tmp, DefaultDataDir, DefaultStateFilename) if err := os.MkdirAll(filepath.Dir(statePath), 0755); err != nil { t.Fatalf("err: %s", err) } f, err := os.Create(statePath) if err != nil { t.Fatalf("err: %s", err) } err = terraform.WriteState(s, f) f.Close() if err != nil { t.Fatalf("err: %s", err) } ui := new(cli.MockUi) c := &PullCommand{ Meta: Meta{ ContextOpts: testCtxConfig(testProvider()), Ui: ui, }, } args := []string{} if code := c.Run(args); code != 0 { t.Fatalf("bad: \n%s", ui.ErrorWriter.String()) } } // testRemoteState is used to make a test HTTP server to // return a given state file func testRemoteState(t *testing.T, s *terraform.State, c int) (*terraform.RemoteState, *httptest.Server) { var b64md5 string buf := bytes.NewBuffer(nil) if s != nil { enc := json.NewEncoder(buf) if err := enc.Encode(s); err != nil { t.Fatalf("err: %v", err) } md5 := md5.Sum(buf.Bytes()) b64md5 = base64.StdEncoding.EncodeToString(md5[:16]) } cb := func(resp http.ResponseWriter, req *http.Request) { if req.Method == "PUT" { resp.WriteHeader(c) return } if s == nil { resp.WriteHeader(404) return } resp.Header().Set("Content-MD5", b64md5) resp.Write(buf.Bytes()) } srv := httptest.NewServer(http.HandlerFunc(cb)) remote := &terraform.RemoteState{ Type: "http", Config: map[string]string{"address": srv.URL}, } return remote, srv }