github.com/IBM-Cloud/terraform@v0.6.4-0.20170726051544-8872b87621df/builtin/providers/google/data_source_google_container_engine_versions_test.go (about)

     1  package google
     2  
     3  import (
     4  	"errors"
     5  	"fmt"
     6  	"strconv"
     7  	"testing"
     8  
     9  	"github.com/hashicorp/terraform/helper/resource"
    10  	"github.com/hashicorp/terraform/terraform"
    11  )
    12  
    13  func TestAccGoogleContainerEngineVersions_basic(t *testing.T) {
    14  	resource.Test(t, resource.TestCase{
    15  		PreCheck:  func() { testAccPreCheck(t) },
    16  		Providers: testAccProviders,
    17  		Steps: []resource.TestStep{
    18  			{
    19  				Config: testAccCheckGoogleContainerEngineVersionsConfig,
    20  				Check: resource.ComposeTestCheckFunc(
    21  					testAccCheckGoogleContainerEngineVersionsMeta("data.google_container_engine_versions.versions"),
    22  				),
    23  			},
    24  		},
    25  	})
    26  }
    27  
    28  func testAccCheckGoogleContainerEngineVersionsMeta(n string) resource.TestCheckFunc {
    29  	return func(s *terraform.State) error {
    30  		rs, ok := s.RootModule().Resources[n]
    31  		if !ok {
    32  			return fmt.Errorf("Can't find versions data source: %s", n)
    33  		}
    34  
    35  		if rs.Primary.ID == "" {
    36  			return errors.New("versions data source ID not set.")
    37  		}
    38  
    39  		nodeCount, ok := rs.Primary.Attributes["valid_node_versions.#"]
    40  		if !ok {
    41  			return errors.New("can't find 'valid_node_versions' attribute")
    42  		}
    43  
    44  		noOfNodes, err := strconv.Atoi(nodeCount)
    45  		if err != nil {
    46  			return errors.New("failed to read number of valid node versions")
    47  		}
    48  		if noOfNodes < 2 {
    49  			return fmt.Errorf("expected at least 2 valid node versions, received %d, this is most likely a bug",
    50  				noOfNodes)
    51  		}
    52  
    53  		for i := 0; i < noOfNodes; i++ {
    54  			idx := "valid_node_versions." + strconv.Itoa(i)
    55  			v, ok := rs.Primary.Attributes[idx]
    56  			if !ok {
    57  				return fmt.Errorf("valid node versions list is corrupt (%q not found), this is definitely a bug", idx)
    58  			}
    59  			if len(v) < 1 {
    60  				return fmt.Errorf("Empty node version (%q), this is definitely a bug", idx)
    61  			}
    62  		}
    63  
    64  		masterCount, ok := rs.Primary.Attributes["valid_master_versions.#"]
    65  		if !ok {
    66  			return errors.New("can't find 'valid_master_versions' attribute")
    67  		}
    68  
    69  		noOfMasters, err := strconv.Atoi(masterCount)
    70  		if err != nil {
    71  			return errors.New("failed to read number of valid master versions")
    72  		}
    73  		if noOfMasters < 2 {
    74  			return fmt.Errorf("expected at least 2 valid master versions, received %d, this is most likely a bug",
    75  				noOfMasters)
    76  		}
    77  
    78  		for i := 0; i < noOfMasters; i++ {
    79  			idx := "valid_master_versions." + strconv.Itoa(i)
    80  			v, ok := rs.Primary.Attributes[idx]
    81  			if !ok {
    82  				return fmt.Errorf("valid master versions list is corrupt (%q not found), this is definitely a bug", idx)
    83  			}
    84  			if len(v) < 1 {
    85  				return fmt.Errorf("Empty master version (%q), this is definitely a bug", idx)
    86  			}
    87  		}
    88  
    89  		return nil
    90  	}
    91  }
    92  
    93  var testAccCheckGoogleContainerEngineVersionsConfig = `
    94  data "google_container_engine_versions" "versions" {
    95    zone = "us-central1-b"
    96  }
    97  `