github.com/dahs81/otto@v0.2.1-0.20160126165905-6400716cf085/directory/backend_bolt_test.go (about)

     1  package directory
     2  
     3  import (
     4  	"io/ioutil"
     5  	"os"
     6  	"testing"
     7  
     8  	"github.com/boltdb/bolt"
     9  )
    10  
    11  func TestBoltBackend(t *testing.T) {
    12  	td, err := ioutil.TempDir("", "otto")
    13  	if err != nil {
    14  		t.Fatalf("err: %s", err)
    15  	}
    16  	defer os.RemoveAll(td)
    17  
    18  	TestBackend(t, &BoltBackend{
    19  		Dir: td,
    20  	})
    21  }
    22  
    23  func TestBoltBackend_version(t *testing.T) {
    24  	td, err := ioutil.TempDir("", "otto")
    25  	if err != nil {
    26  		t.Fatalf("err: %s", err)
    27  	}
    28  	defer os.RemoveAll(td)
    29  
    30  	// Grab the DB and manually insert a version (breaking a black box here)
    31  	b := &BoltBackend{Dir: td}
    32  	db, err := b.db()
    33  	if err != nil {
    34  		t.Fatalf("err: %s", err)
    35  	}
    36  	err = db.Update(func(tx *bolt.Tx) error {
    37  		b := tx.Bucket(boltOttoBucket)
    38  		return b.Put([]byte("version"), []byte{boltDataVersion + 1})
    39  	})
    40  	db.Close()
    41  	if err != nil {
    42  		t.Fatalf("err: %s", err)
    43  	}
    44  
    45  	// Re-instantiate and try an operation, it should fail
    46  	b = &BoltBackend{Dir: td}
    47  	db, err = b.db()
    48  	if err == nil {
    49  		db.Close()
    50  		t.Fatal("should error")
    51  	}
    52  }