diff --git a/github/data_source_github_release.go b/github/data_source_github_release.go
index 7e8ab28050..5f3cfb5575 100644
--- a/github/data_source_github_release.go
+++ b/github/data_source_github_release.go
@@ -112,7 +112,7 @@ func dataSourceGithubReleaseRead(d *schema.ResourceData, meta interface{}) error
 			return errors.New("'release_id' must be set when 'retrieve_by' = 'id'")
 		}
 
-		log.Printf("[INFO] Refreshing GitHub release by id %s from repository %s", releaseID, repository)
+		log.Printf("[INFO] Refreshing GitHub release by id %d from repository %s", releaseID, repository)
 		release, _, err = client.Repositories.GetRelease(ctx, owner, repository, releaseID)
 	case "tag":
 		tag := d.Get("release_tag").(string)
diff --git a/github/data_source_github_release_test.go b/github/data_source_github_release_test.go
new file mode 100644
index 0000000000..70b1985afa
--- /dev/null
+++ b/github/data_source_github_release_test.go
@@ -0,0 +1,61 @@
+package github
+
+import (
+	"fmt"
+	"regexp"
+	"testing"
+
+	"github.com/hashicorp/terraform/helper/resource"
+)
+
+func TestAccGithubReleaseDataSource_fetchByLatestNoReleaseReturnsError(t *testing.T) {
+	repo := "nonExistantRepo"
+	owner := "no-user"
+	retrieveBy := "latest"
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck: func() {
+			testAccPreCheck(t)
+		},
+		Providers: testAccProviders,
+		Steps: []resource.TestStep{
+			{
+				Config:      testAccCheckGithubReleaseDataSourceConfig(repo, owner, retrieveBy),
+				ExpectError: regexp.MustCompile(`Not Found`),
+			},
+		},
+	})
+}
+
+// func TestAccGithubReleaseDataSource_latestExisting(t *testing.T) {
+
+// }
+
+// func TestAccGithubReleaseDataSource_fetchByIdWithNoIdReturnsError(t *testing.T) {
+
+// }
+
+// func TestAccGithubReleaseDataSource_fetchByIdExisting(t *testing.T) {
+
+// }
+
+// func TestAccGithubReleaseDataSource_fetchByTagNoTagReturnsError(t *testing.T) {
+
+// }
+
+// func TestAccGithubReleaseDataSource_fetchByTagExisting(t *testing.T) {
+
+// }
+
+// func TestAccGithubReleaseDataSource_invalidRetrieveMethodReturnsError(t *testing.T) {
+
+// }
+
+func testAccCheckGithubReleaseDataSourceConfig(repo string, owner string, retrieveBy string) string {
+	return fmt.Sprintf(`
+data "github_release" "test" {
+	repository = "%s"
+	owner = "%s"
+	retrieve_by = "%s"
+}
+`, repo, owner, retrieveBy)
+}