[WIP]: added a test acceptance for google_compute_snapshot

resource_compute_snapshot_test.go

@@ -0,0 +1,156 @@
+package google
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/hashicorp/terraform/helper/acctest"
+	"github.com/hashicorp/terraform/helper/resource"
+	"github.com/hashicorp/terraform/terraform"
+	"google.golang.org/api/compute/v1"
+)
+
+func TestAccComputeSnapshot_basic(t *testing.T) {
+	snapshotName := fmt.Sprintf("tf-test-%s", acctest.RandString(10))
+	var snapshot compute.Snapshot
+	diskName := fmt.Sprintf("tf-test-%s", acctest.RandString(10))
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckComputeSnapshotDestroy,
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: testAccComputeSnapshot_basic(snapshotName, diskName),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckComputeSnapshotExists(
+						"google_compute_snapshot.foobar", &snapshot),
+				),
+			},
+		},
+	})
+}
+
+func TestAccComputeSnapshot_encryption(t *testing.T) {
+	snapshotName := fmt.Sprintf("tf-test-%s", acctest.RandString(10))
+	var snapshot compute.Snapshot
+	diskName := fmt.Sprintf("tf-test-%s", acctest.RandString(10))
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckComputeSnapshotDestroy,
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: testAccComputeSnapshot_encryption(snapshotName, diskName),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckComputeSnapshotExists(
+						"google_compute_snapshot.foobar", &snapshot),
+					testAccCheckSnapshotEncryptionKey(
+						"google_compute_snapshot.foobar", &snapshot),
+				),
+			},
+		},
+	})
+}
+
+func testAccCheckComputeSnapshotDestroy(s *terraform.State) error {
+	config := testAccProvider.Meta().(*Config)
+
+	for _, rs := range s.RootModule().Resources {
+		if rs.Type != "google_compute_snapshot" {
+			continue
+		}
+
+		_, err := config.clientCompute.Snapshots.Get(
+			config.Project, rs.Primary.ID).Do()
+		if err == nil {
+			return fmt.Errorf("Snapshot still exists")
+		}
+	}
+
+	return nil
+}
+
+func testAccCheckComputeSnapshotExists(n string, snapshot *compute.Snapshot) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		rs, ok := s.RootModule().Resources[n]
+		if !ok {
+			return fmt.Errorf("Not found: %s", n)
+		}
+
+		if rs.Primary.ID == "" {
+			return fmt.Errorf("No ID is set")
+		}
+
+		config := testAccProvider.Meta().(*Config)
+
+		found, err := config.clientCompute.Snapshots.Get(
+			config.Project, rs.Primary.ID).Do()
+		if err != nil {
+			return err
+		}
+
+		if found.Name != rs.Primary.ID {
+			return fmt.Errorf("Snapshot not found")
+		}
+
+		*snapshot = *found
+
+		return nil
+	}
+}
+
+func testAccCheckSnapshotEncryptionKey(n string, snapshot *compute.Snapshot) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		rs, ok := s.RootModule().Resources[n]
+		if !ok {
+			return fmt.Errorf("Not found: %s", n)
+		}
+
+		attr := rs.Primary.Attributes["snapshot_encryption_key_sha256"]
+		if snapshot.SnapshotEncryptionKey == nil && attr != "" {
+			return fmt.Errorf("Snapshot %s has mismatched encryption key.\nTF State: %+v\nGCP State: <empty>", n, attr)
+		}
+
+		if attr != snapshot.SnapshotEncryptionKey.Sha256 {
+			return fmt.Errorf("Snapshot %s has mismatched encryption key.\nTF State: %+v.\nGCP State: %+v",
+				n, attr, snapshot.SnapshotEncryptionKey.Sha256)
+		}
+		return nil
+	}
+}
+
+func testAccComputeSnapshot_basic(snapshotName string, diskName string) string {
+	return fmt.Sprintf(`
+resource "google_compute_disk" "foobar" {
+	name = "%s"
+	image = "debian-8-jessie-v20160803"
+	size = 50
+	type = "pd-ssd"
+	zone = "us-central1-a"
+}
+
+resource "google_compute_snapshot" "foobar" {
+	name = "%s"
+	disk = "${google_compute_disk.foobar.name}"
+	zone = "us-central1-a"
+}`, diskName, snapshotName)
+}
+
+func testAccComputeSnapshot_encryption(snapshotName string, diskName string) string {
+	return fmt.Sprintf(`
+resource "google_compute_disk" "foobar" {
+	name = "%s"
+	image = "debian-8-jessie-v20160803"
+	size = 50
+	type = "pd-ssd"
+	zone = "us-central1-a"
+}
+resource "google_compute_snapshot" "foobar" {
+	name = "%s"
+	disk = "%s"
+	zone = "us-central1-a"
+	snapshot_encryption_key_raw = "SGVsbG8gZnJvbSBHb29nbGUgQ2xvdWQgUGxhdGZvcm0="
+}`, diskName, snapshotName, diskName)
+}