providers/digitalocean: fix acceptance test suite for running

builtin/providers/digitalocean/config.go

@@ -2,6 +2,7 @@ package digitalocean
 
 import (
 	"log"
+	"os"
 
 	"github.com/pearkes/digitalocean"
 )
@@ -14,6 +15,13 @@ type Config struct {
 // ocean.
 //
 func (c *Config) Client() (*digitalocean.Client, error) {
+
+	// If we have env vars set (like in the acc) tests,
+	// we need to override the values passed in here.
+	if v := os.Getenv("DIGITALOCEAN_TOKEN"); v != "" {
+		c.Token = v
+	}
+
 	client, err := digitalocean.NewClient(c.Token)
 
 	log.Printf("[INFO] DigitalOcean Client configured for URL: %s", client.URL)

builtin/providers/digitalocean/resource_provider_test.go

@@ -25,9 +25,16 @@ func TestResourceProvider_impl(t *testing.T) {
 
 func TestResourceProvider_Configure(t *testing.T) {
 	rp := new(ResourceProvider)
+	var expectedToken string
+
+	if v := os.Getenv("DIGITALOCEAN_TOKEN"); v != "foo" {
+		expectedToken = v
+	} else {
+		expectedToken = "foo"
+	}
 
 	raw := map[string]interface{}{
-		"token": "foo",
+		"token": expectedToken,
 	}
 
 	rawConfig, err := config.NewRawConfig(raw)
@@ -41,7 +48,7 @@ func TestResourceProvider_Configure(t *testing.T) {
 	}
 
 	expected := Config{
-		Token: "foo",
+		Token: expectedToken,
 	}
 
 	if !reflect.DeepEqual(rp.Config, expected) {