terraform-provider-docker/docker/resource_docker_network_test.go

package docker

import (
	"fmt"
	"testing"

	"context"
	"github.com/docker/docker/api/types"
	"github.com/hashicorp/terraform/helper/resource"
	"github.com/hashicorp/terraform/terraform"
)

func TestAccDockerNetwork_basic(t *testing.T) {
	var n types.NetworkResource

	resource.Test(t, resource.TestCase{
		PreCheck:  func() { testAccPreCheck(t) },
		Providers: testAccProviders,
		Steps: []resource.TestStep{
			resource.TestStep{
				Config: testAccDockerNetworkConfig,
				Check: resource.ComposeTestCheckFunc(
					testAccNetwork("docker_network.foo", &n),
				),
			},
		},
	})
}

func testAccNetwork(n string, network *types.NetworkResource) 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")
		}

		client := testAccProvider.Meta().(*ProviderConfig).DockerClient
		networks, err := client.NetworkList(context.Background(), types.NetworkListOptions{})
		if err != nil {
			return err
		}

		for _, n := range networks {
			if n.ID == rs.Primary.ID {
				inspected, err := client.NetworkInspect(context.Background(), n.ID, types.NetworkInspectOptions{})
				if err != nil {
					return fmt.Errorf("Network could not be obtained: %s", err)
				}
				*network = inspected
				return nil
			}
		}

		return fmt.Errorf("Network not found: %s", rs.Primary.ID)
	}
}

const testAccDockerNetworkConfig = `
resource "docker_network" "foo" {
  name = "bar"
}
`

func TestAccDockerNetwork_internal(t *testing.T) {
	var n types.NetworkResource

	resource.Test(t, resource.TestCase{
		PreCheck:  func() { testAccPreCheck(t) },
		Providers: testAccProviders,
		Steps: []resource.TestStep{
			resource.TestStep{
				Config: testAccDockerNetworkInternalConfig,
				Check: resource.ComposeTestCheckFunc(
					testAccNetwork("docker_network.foobar", &n),
					testAccNetworkInternal(&n, true),
				),
			},
		},
	})
}

func testAccNetworkInternal(network *types.NetworkResource, internal bool) resource.TestCheckFunc {
	return func(s *terraform.State) error {
		if network.Internal != internal {
			return fmt.Errorf("Bad value for attribute 'internal': %t", network.Internal)
		}
		return nil
	}
}

const testAccDockerNetworkInternalConfig = `
resource "docker_network" "foobar" {
  name = "foobar"
  internal = true
}
`

func TestAccDockerNetwork_attachable(t *testing.T) {
	var n types.NetworkResource

	resource.Test(t, resource.TestCase{
		PreCheck:  func() { testAccPreCheck(t) },
		Providers: testAccProviders,
		Steps: []resource.TestStep{
			resource.TestStep{
				Config: testAccDockerNetworkAttachableConfig,
				Check: resource.ComposeTestCheckFunc(
					testAccNetwork("docker_network.foobar", &n),
					testAccNetworkAttachable(&n, true),
				),
			},
		},
	})
}

func testAccNetworkAttachable(network *types.NetworkResource, attachable bool) resource.TestCheckFunc {
	return func(s *terraform.State) error {
		if network.Attachable != attachable {
			return fmt.Errorf("Bad value for attribute 'attachable': %t", network.Attachable)
		}
		return nil
	}
}

const testAccDockerNetworkAttachableConfig = `
resource "docker_network" "foobar" {
  name = "foobar"
  attachable = true
}
`

func TestAccDockerNetwork_labels(t *testing.T) {
	var n types.NetworkResource

	resource.Test(t, resource.TestCase{
		PreCheck:  func() { testAccPreCheck(t) },
		Providers: testAccProviders,
		Steps: []resource.TestStep{
			resource.TestStep{
				Config: testAccDockerNetworkLabelsConfig,
				Check: resource.ComposeTestCheckFunc(
					testAccNetwork("docker_network.foobar", &n),
					testAccNetworkLabel(&n, "com.docker.compose.network", "foobar"),
					testAccNetworkLabel(&n, "com.docker.compose.project", "test"),
				),
			},
		},
	})
}

func testAccNetworkLabel(network *types.NetworkResource, name string, value string) resource.TestCheckFunc {
	return func(s *terraform.State) error {
		if network.Labels[name] != value {
			return fmt.Errorf("Bad value for label '%s': %s", name, network.Labels[name])
		}
		return nil
	}
}

const testAccDockerNetworkLabelsConfig = `
resource "docker_network" "foobar" {
  name = "test_foobar"
  labels {
    "com.docker.compose.network" = "foobar"
    "com.docker.compose.project" = "test"
  }
}
`