package aws import ( "fmt" "testing" "github.com/hashicorp/terraform/helper/resource" "github.com/hashicorp/terraform/terraform" "github.com/mitchellh/goamz/ec2" ) func TestAccAWSSubnet(t *testing.T) { var v ec2.Subnet testCheck := func(*terraform.State) error { if v.CidrBlock != "10.1.1.0/24" { return fmt.Errorf("bad cidr: %s", v.CidrBlock) } return nil } resource.Test(t, resource.TestCase{ PreCheck: func() { testAccPreCheck(t) }, Providers: testAccProviders, CheckDestroy: testAccCheckSubnetDestroy, Steps: []resource.TestStep{ resource.TestStep{ Config: testAccSubnetConfig, Check: resource.ComposeTestCheckFunc( testAccCheckSubnetExists( "aws_subnet.foo", &v), testCheck, ), }, }, }) } func testAccCheckSubnetDestroy(s *terraform.State) error { conn := testAccProvider.ec2conn for _, rs := range s.Resources { if rs.Type != "aws_subnet" { continue } // Try to find the resource resp, err := conn.DescribeSubnets( []string{rs.ID}, ec2.NewFilter()) if err == nil { if len(resp.Subnets) > 0 { return fmt.Errorf("still exist.") } return nil } // Verify the error is what we want ec2err, ok := err.(*ec2.Error) if !ok { return err } if ec2err.Code != "InvalidSubnetID.NotFound" { return err } } return nil } func testAccCheckSubnetExists(n string, v *ec2.Subnet) resource.TestCheckFunc { return func(s *terraform.State) error { rs, ok := s.Resources[n] if !ok { return fmt.Errorf("Not found: %s", n) } if rs.ID == "" { return fmt.Errorf("No ID is set") } conn := testAccProvider.ec2conn resp, err := conn.DescribeSubnets( []string{rs.ID}, ec2.NewFilter()) if err != nil { return err } if len(resp.Subnets) == 0 { return fmt.Errorf("Subnet not found") } *v = resp.Subnets[0] return nil } } const testAccSubnetConfig = ` resource "aws_vpc" "foo" { cidr_block = "10.1.0.0/16" } resource "aws_subnet" "foo" { cidr_block = "10.1.1.0/24" vpc_id = "${aws_vpc.foo.id}" } `