remote: Adding tests

remote/remote.go

@@ -38,6 +38,9 @@ func EnsureDirectory() error {
 	}
 	path := filepath.Join(cwd, LocalDirectory)
 	if err := os.Mkdir(path, 0770); err != nil {
+		if os.IsExist(err) {
+			return nil
+		}
 		return fmt.Errorf("Failed to make directory '%s': %v", path, err)
 	}
 	return nil

remote/remote_test.go

@@ -1,9 +1,13 @@
 package remote
 
 import (
+	"bytes"
+	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
+
+	"github.com/hashicorp/terraform/terraform"
 )
 
 func TestEnsureDirectory(t *testing.T) {
@@ -34,3 +38,110 @@ func TestHiddenStatePath(t *testing.T) {
 		t.Fatalf("bad: %v", path)
 	}
 }
+
+func TestValidConfig(t *testing.T) {
+	conf := &terraform.RemoteState{}
+	if err := validConfig(conf); err != nil {
+		t.Fatalf("blank should be valid: %v", err)
+	}
+	conf.Server = "http://foo.com"
+	if err := validConfig(conf); err == nil {
+		t.Fatalf("server without name")
+	}
+	conf.Server = ""
+	conf.AuthToken = "foo"
+	if err := validConfig(conf); err == nil {
+		t.Fatalf("auth without name")
+	}
+	conf.Name = "test"
+	conf.Server = ""
+	conf.AuthToken = ""
+	if err := validConfig(conf); err != nil {
+		t.Fatalf("should be valid")
+	}
+	if conf.Server != DefaultServer {
+		t.Fatalf("should default server")
+	}
+}
+
+func TestValidateConfig(t *testing.T) {
+	// TODO:
+}
+
+func TestReadState(t *testing.T) {
+	// TODO
+}
+
+func TestBlankState(t *testing.T) {
+	remote := &terraform.RemoteState{
+		Name:      "foo",
+		Server:    "http://foo.com/",
+		AuthToken: "foobar",
+	}
+	r, err := blankState(remote)
+	if err != nil {
+		t.Fatalf("err: %v", err)
+	}
+	s, err := terraform.ReadState(r)
+	if err != nil {
+		t.Fatalf("err: %v", err)
+	}
+	if !remote.Equals(s.Remote) {
+		t.Fatalf("remote mismatch")
+	}
+}
+
+func TestPersist(t *testing.T) {
+	tmp, err := ioutil.TempDir("", "remote")
+	if err != nil {
+		t.Fatalf("err: %v", err)
+	}
+	defer os.RemoveAll(tmp)
+	cwd, err := os.Getwd()
+	if err != nil {
+		t.Fatalf("err: %v", err)
+	}
+	os.Chdir(tmp)
+	defer os.Chdir(cwd)
+
+	EnsureDirectory()
+
+	// Place old state file, should backup
+	old := filepath.Join(tmp, LocalDirectory, HiddenStateFile)
+	ioutil.WriteFile(old, []byte("test"), 0777)
+
+	remote := &terraform.RemoteState{
+		Name:      "foo",
+		Server:    "http://foo.com/",
+		AuthToken: "foobar",
+	}
+	blank, _ := blankState(remote)
+	if err := Persist(blank); err != nil {
+		t.Fatalf("err: %v", err)
+	}
+
+	// Check for backup
+	backup := filepath.Join(tmp, LocalDirectory, BackupHiddenStateFile)
+	out, err := ioutil.ReadFile(backup)
+	if err != nil {
+		t.Fatalf("Err: %v", err)
+	}
+	if string(out) != "test" {
+		t.Fatalf("bad: %v", out)
+	}
+
+	// Read the state
+	out, err = ioutil.ReadFile(old)
+	if err != nil {
+		t.Fatalf("Err: %v", err)
+	}
+	s, err := terraform.ReadState(bytes.NewReader(out))
+	if err != nil {
+		t.Fatalf("Err: %v", err)
+	}
+
+	// Check the remote
+	if !remote.Equals(s.Remote) {
+		t.Fatalf("remote mismatch")
+	}
+}