github.com/nathanielks/terraform@v0.6.1-0.20170509030759-13e1a62319dc/config/module/testing.go (about)

     1  package module
     2  
     3  import (
     4  	"io/ioutil"
     5  	"os"
     6  	"testing"
     7  
     8  	"github.com/hashicorp/go-getter"
     9  )
    10  
    11  // TestTree loads a module at the given path and returns the tree as well
    12  // as a function that should be deferred to clean up resources.
    13  func TestTree(t *testing.T, path string) (*Tree, func()) {
    14  	// Create a temporary directory for module storage
    15  	dir, err := ioutil.TempDir("", "tf")
    16  	if err != nil {
    17  		t.Fatalf("err: %s", err)
    18  		return nil, nil
    19  	}
    20  
    21  	// Load the module
    22  	mod, err := NewTreeModule("", path)
    23  	if err != nil {
    24  		t.Fatalf("err: %s", err)
    25  		return nil, nil
    26  	}
    27  
    28  	// Get the child modules
    29  	s := &getter.FolderStorage{StorageDir: dir}
    30  	if err := mod.Load(s, GetModeGet); err != nil {
    31  		t.Fatalf("err: %s", err)
    32  		return nil, nil
    33  	}
    34  
    35  	return mod, func() {
    36  		os.RemoveAll(dir)
    37  	}
    38  }