github.com/paybyphone/terraform@v0.9.5-0.20170613192930-9706042ddd51/config/config_terraform_test.go (about)

     1  package config
     2  
     3  import (
     4  	"fmt"
     5  	"testing"
     6  )
     7  
     8  func TestBackendHash(t *testing.T) {
     9  	// WARNING: The codes below should _never_ change. If they change, it
    10  	// means that a future TF version may falsely recognize unchanged backend
    11  	// configuration as changed. Ultimately this should have no adverse
    12  	// affect but it is annoying for users and should be avoided if possible.
    13  
    14  	cases := []struct {
    15  		Name    string
    16  		Fixture string
    17  		Code    uint64
    18  	}{
    19  		{
    20  			"no backend config",
    21  			"backend-hash-empty",
    22  			0,
    23  		},
    24  
    25  		{
    26  			"backend config with only type",
    27  			"backend-hash-type-only",
    28  			17852588448730441876,
    29  		},
    30  
    31  		{
    32  			"backend config with type and config",
    33  			"backend-hash-basic",
    34  			10288498853650209002,
    35  		},
    36  	}
    37  
    38  	for i, tc := range cases {
    39  		t.Run(fmt.Sprintf("%d-%s", i, tc.Name), func(t *testing.T) {
    40  			c := testConfig(t, tc.Fixture)
    41  			err := c.Validate()
    42  			if err != nil {
    43  				t.Fatalf("err: %s", err)
    44  			}
    45  
    46  			var actual uint64
    47  			if c.Terraform != nil && c.Terraform.Backend != nil {
    48  				actual = c.Terraform.Backend.Hash
    49  			}
    50  			if actual != tc.Code {
    51  				t.Fatalf("bad: %d != %d", actual, tc.Code)
    52  			}
    53  		})
    54  	}
    55  }