update test cases

test/src/examples_complete_test.go

@@ -1,23 +1,40 @@
 package test
 
 import (
+	"strings"
+	"testing"
+
+	"github.com/gruntwork-io/terratest/modules/random"
 	"github.com/gruntwork-io/terratest/modules/terraform"
+	testStructure "github.com/gruntwork-io/terratest/modules/test-structure"
 	"github.com/stretchr/testify/assert"
-	"testing"
 )
 
 // Test the Terraform module in examples/complete using Terratest.
 func TestExamplesComplete(t *testing.T) {
+	t.Parallel()
+	randID := strings.ToLower(random.UniqueId())
+	attributes := []string{randID}
+
+	rootFolder := "../../"
+	terraformFolderRelativeToRoot := "examples/complete"
+	varFiles := []string{"fixtures.tfvars"}
+
+	tempTestFolder := testStructure.CopyTerraformFolderToTemp(t, rootFolder, terraformFolderRelativeToRoot)
+
 	terraformOptions := &terraform.Options{
 		// The path to where our Terraform code is located
-		TerraformDir: "../../examples/complete",
+		TerraformDir: tempTestFolder,
 		Upgrade:      true,
 		// Variables to pass to our Terraform code using -var-file options
-		VarFiles: []string{"fixtures.tfvars"},
+		VarFiles: varFiles,
+		Vars: map[string]interface{}{
+			"attributes": attributes,
+		},
 	}
 
 	// At the end of the test, run `terraform destroy` to clean up any resources that were created
-	defer terraform.Destroy(t, terraformOptions)
+	defer cleanup(t, terraformOptions, tempTestFolder)
 
 	// This will run `terraform init` and `terraform apply` and fail the test if there are any errors
 	terraform.InitAndApply(t, terraformOptions)

test/src/utils.go

@@ -0,0 +1,13 @@
+package test
+
+import (
+	"os"
+	"testing"
+
+	"github.com/gruntwork-io/terratest/modules/terraform"
+)
+
+func cleanup(t *testing.T, terraformOptions *terraform.Options, tempTestFolder string) {
+	terraform.Destroy(t, terraformOptions)
+	_ = os.RemoveAll(tempTestFolder)
+}