Added data source snapshot test

Signed-off-by: Alejandro JNM <alejandrojnm@gmail.com>

civo/datasource_snapshot_test.go

@@ -0,0 +1,46 @@
+package civo
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/helper/acctest"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
+)
+
+func TestAccDataSourceCivoSnapshots_basic(t *testing.T) {
+	datasourceName := "data.civo_snapshot.foobar"
+	name := acctest.RandomWithPrefix("snapshot-test")
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:  func() { testAccPreCheck(t) },
+		Providers: testAccProviders,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccDataSourceCivoSnapshotsConfig(name),
+				Check: resource.ComposeAggregateTestCheckFunc(
+					resource.TestCheckResourceAttr(datasourceName, "name", name),
+					resource.TestCheckResourceAttrSet(datasourceName, "hostname"),
+					resource.TestCheckResourceAttrSet(datasourceName, "size_gb"),
+				),
+			},
+		},
+	})
+}
+
+func testAccDataSourceCivoSnapshotsConfig(name string) string {
+	return fmt.Sprintf(`
+resource "civo_instance" "vm" {
+	hostname = "instance-%s"
+}
+
+resource "civo_snapshot" "foobar" {
+	name = "%s"
+	instance_id = civo_instance.vm.id
+}
+
+data "civo_snapshot" "foobar" {
+	name = civo_snapshot.foobar.name
+}
+`, name, name)
+}