terraform/builtin/providers/aws/data_source_aws_subnet_test.go

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package aws
import (
"fmt"
"testing"
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"github.com/hashicorp/terraform/helper/acctest"
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"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/terraform"
)
func TestAccDataSourceAwsSubnet(t *testing.T) {
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rInt := acctest.RandIntRange(0, 256)
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resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
Steps: []resource.TestStep{
resource.TestStep{
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Config: testAccDataSourceAwsSubnetConfig(rInt),
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Check: resource.ComposeTestCheckFunc(
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testAccDataSourceAwsSubnetCheck("data.aws_subnet.by_id", rInt),
testAccDataSourceAwsSubnetCheck("data.aws_subnet.by_cidr", rInt),
testAccDataSourceAwsSubnetCheck("data.aws_subnet.by_tag", rInt),
testAccDataSourceAwsSubnetCheck("data.aws_subnet.by_vpc", rInt),
testAccDataSourceAwsSubnetCheck("data.aws_subnet.by_filter", rInt),
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),
},
},
})
}
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func testAccDataSourceAwsSubnetCheck(name string, rInt int) resource.TestCheckFunc {
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return func(s *terraform.State) error {
rs, ok := s.RootModule().Resources[name]
if !ok {
return fmt.Errorf("root module has no resource called %s", name)
}
vpcRs, ok := s.RootModule().Resources["aws_vpc.test"]
if !ok {
return fmt.Errorf("can't find aws_vpc.test in state")
}
subnetRs, ok := s.RootModule().Resources["aws_subnet.test"]
if !ok {
return fmt.Errorf("can't find aws_subnet.test in state")
}
attr := rs.Primary.Attributes
if attr["id"] != subnetRs.Primary.Attributes["id"] {
return fmt.Errorf(
"id is %s; want %s",
attr["id"],
subnetRs.Primary.Attributes["id"],
)
}
if attr["vpc_id"] != vpcRs.Primary.Attributes["id"] {
return fmt.Errorf(
"vpc_id is %s; want %s",
attr["vpc_id"],
vpcRs.Primary.Attributes["id"],
)
}
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if attr["cidr_block"] != fmt.Sprintf("172.%d.123.0/24", rInt) {
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return fmt.Errorf("bad cidr_block %s", attr["cidr_block"])
}
if attr["availability_zone"] != "us-west-2a" {
return fmt.Errorf("bad availability_zone %s", attr["availability_zone"])
}
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if attr["tags.Name"] != fmt.Sprintf("terraform-testacc-subnet-data-source-%d", rInt) {
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return fmt.Errorf("bad Name tag %s", attr["tags.Name"])
}
return nil
}
}
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func testAccDataSourceAwsSubnetConfig(rInt int) string {
return fmt.Sprintf(`
provider "aws" {
region = "us-west-2"
}
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resource "aws_vpc" "test" {
cidr_block = "172.%d.0.0/16"
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tags {
Name = "terraform-testacc-subnet-data-source"
}
}
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resource "aws_subnet" "test" {
vpc_id = "${aws_vpc.test.id}"
cidr_block = "172.%d.123.0/24"
availability_zone = "us-west-2a"
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tags {
Name = "terraform-testacc-subnet-data-source-%d"
}
}
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data "aws_subnet" "by_id" {
id = "${aws_subnet.test.id}"
}
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data "aws_subnet" "by_cidr" {
cidr_block = "${aws_subnet.test.cidr_block}"
}
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data "aws_subnet" "by_tag" {
tags {
Name = "${aws_subnet.test.tags["Name"]}"
}
}
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data "aws_subnet" "by_vpc" {
vpc_id = "${aws_subnet.test.vpc_id}"
}
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data "aws_subnet" "by_filter" {
filter {
name = "vpc-id"
values = ["${aws_subnet.test.vpc_id}"]
}
}
`, rInt, rInt, rInt)
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}