Fix redis authorized network and tests. The Redis API currently only accepts partial links. The tests weren't failing because they weren't actually using the network (oops). There were a few other test issues that I fixed while I was there. Fixes #1571. (#1599)

<!-- This change is generated by MagicModules. -->
/cc @danawillow

Author: modular-magician

google/resource_redis_instance.go

@@ -59,10 +59,11 @@ func resourceRedisInstance() *schema.Resource {
 				ForceNew: true,
 			},
 			"authorized_network": {
-				Type:     schema.TypeString,
-				Computed: true,
-				Optional: true,
-				ForceNew: true,
+				Type:             schema.TypeString,
+				Computed:         true,
+				Optional:         true,
+				ForceNew:         true,
+				DiffSuppressFunc: compareSelfLinkRelativePaths,
 			},
 			"display_name": {
 				Type:     schema.TypeString,
@@ -556,7 +557,11 @@ func expandRedisInstanceAlternativeLocationId(v interface{}, d *schema.ResourceD
 }
 
 func expandRedisInstanceAuthorizedNetwork(v interface{}, d *schema.ResourceData, config *Config) (interface{}, error) {
-	return v, nil
+	fv, err := ParseNetworkFieldValue(v.(string), d, config)
+	if err != nil {
+		return nil, err
+	}
+	return fv.RelativeLink(), nil
 }
 
 func expandRedisInstanceDisplayName(v interface{}, d *schema.ResourceData, config *Config) (interface{}, error) {

google/resource_redis_instance_test.go

@@ -2,10 +2,12 @@ package google
 
 import (
 	"fmt"
+	"strings"
 	"testing"
 
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
+	"github.com/hashicorp/terraform/terraform"
 )
 
 func TestAccRedisInstance_basic(t *testing.T) {
@@ -16,7 +18,7 @@ func TestAccRedisInstance_basic(t *testing.T) {
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
-		CheckDestroy: testAccCheckComputeAddressDestroy,
+		CheckDestroy: testAccCheckRedisInstanceDestroy,
 		Steps: []resource.TestStep{
 			resource.TestStep{
 				Config: testAccRedisInstance_basic(name),
@@ -38,7 +40,7 @@ func TestAccRedisInstance_update(t *testing.T) {
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
-		CheckDestroy: testAccCheckComputeAddressDestroy,
+		CheckDestroy: testAccCheckRedisInstanceDestroy,
 		Steps: []resource.TestStep{
 			resource.TestStep{
 				Config: testAccRedisInstance_update(name),
@@ -69,7 +71,7 @@ func TestAccRedisInstance_full(t *testing.T) {
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
-		CheckDestroy: testAccCheckComputeAddressDestroy,
+		CheckDestroy: testAccCheckRedisInstanceDestroy,
 		Steps: []resource.TestStep{
 			resource.TestStep{
 				Config: testAccRedisInstance_full(name, network),
@@ -83,6 +85,31 @@ func TestAccRedisInstance_full(t *testing.T) {
 	})
 }
 
+func testAccCheckRedisInstanceDestroy(s *terraform.State) error {
+	config := testAccProvider.Meta().(*Config)
+
+	for _, rs := range s.RootModule().Resources {
+		if rs.Type != "google_redis_instance" {
+			continue
+		}
+
+		redisIdParts := strings.Split(rs.Primary.ID, "/")
+		if len(redisIdParts) != 3 {
+			return fmt.Errorf("Unexpected resource ID %s, expected {project}/{region}/{name}", rs.Primary.ID)
+		}
+
+		project, region, inst := redisIdParts[0], redisIdParts[1], redisIdParts[2]
+
+		name := fmt.Sprintf("projects/%s/locations/%s/instances/%s", project, region, inst)
+		_, err := config.clientRedis.Projects.Locations.Get(name).Do()
+		if err == nil {
+			return fmt.Errorf("Redis instance still exists")
+		}
+	}
+
+	return nil
+}
+
 func testAccRedisInstance_basic(name string) string {
 	return fmt.Sprintf(`
 resource "google_redis_instance" "test" {
@@ -130,6 +157,8 @@ resource "google_redis_instance" "test" {
 	tier           = "STANDARD_HA"
 	memory_size_gb = 1
 
+	authorized_network = "${google_compute_network.test.self_link}"
+
 	region                  = "us-central1"
 	location_id             = "us-central1-a"
 	alternative_location_id = "us-central1-f"
@@ -142,5 +171,5 @@ resource "google_redis_instance" "test" {
 		my_key    = "my_val"
 		other_key = "other_val"
 	}
-}`, name, network)
+}`, network, name)
 }