github.com/bendemaree/terraform@v0.5.4-0.20150613200311-f50d97d6eee6/builtin/providers/template/resource_test.go (about)

     1  package template
     2  
     3  import (
     4  	"fmt"
     5  	"testing"
     6  
     7  	r "github.com/hashicorp/terraform/helper/resource"
     8  	"github.com/hashicorp/terraform/terraform"
     9  )
    10  
    11  var testProviders = map[string]terraform.ResourceProvider{
    12  	"template": Provider(),
    13  }
    14  
    15  func TestTemplateRendering(t *testing.T) {
    16  	var cases = []struct {
    17  		vars     string
    18  		template string
    19  		want     string
    20  	}{
    21  		{`{}`, `ABC`, `ABC`},
    22  		{`{a="foo"}`, `${a}`, `foo`},
    23  		{`{a="hello"}`, `${replace(a, "ello", "i")}`, `hi`},
    24  		{`{}`, `${1+2+3}`, `6`},
    25  	}
    26  
    27  	for _, tt := range cases {
    28  		r.Test(t, r.TestCase{
    29  			PreCheck: func() {
    30  				readfile = func(string) ([]byte, error) {
    31  					return []byte(tt.template), nil
    32  				}
    33  			},
    34  			Providers: testProviders,
    35  			Steps: []r.TestStep{
    36  				r.TestStep{
    37  					Config: `
    38  resource "template_file" "t0" {
    39  	filename = "mock"
    40  	vars = ` + tt.vars + `
    41  }
    42  output "rendered" {
    43      value = "${template_file.t0.rendered}"
    44  }
    45  `,
    46  					Check: func(s *terraform.State) error {
    47  						got := s.RootModule().Outputs["rendered"]
    48  						if tt.want != got {
    49  							return fmt.Errorf("template:\n%s\nvars:\n%s\ngot:\n%s\nwant:\n%s\n", tt.template, tt.vars, got, tt.want)
    50  						}
    51  						return nil
    52  					},
    53  				},
    54  			},
    55  		})
    56  	}
    57  }