github.com/cellofellow/gopkg@v0.0.0-20140722061823-eec0544a62ad/database/leveldb/capi_test.go (about)

     1  // Copyright 2013 <chaishushan{AT}gmail.com>. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package leveldb
     6  
     7  import (
     8  	"bytes"
     9  	"os"
    10  	"testing"
    11  )
    12  
    13  var testdb = "testdb"
    14  
    15  // https://code.google.com/p/leveldb/issues/detail?id=207
    16  func TestIssue207(t *testing.T) {
    17  	opt := leveldb_options_create()
    18  	defer leveldb_options_destroy(opt)
    19  
    20  	leveldb_options_set_create_if_missing(opt, true)
    21  	db, err := leveldb_open(testdb, opt)
    22  	if err != nil {
    23  		t.Fatal(err)
    24  	}
    25  	defer os.RemoveAll(testdb)
    26  	defer leveldb_close(db)
    27  
    28  	key := []byte("key")
    29  	val := []byte("value")
    30  
    31  	data, err := leveldb_get(db, key, nil)
    32  	if err != ErrNotFound {
    33  		t.Fatalf("expect ErrNotFound, got %v", err)
    34  	}
    35  
    36  	err = leveldb_put(db, key, val, nil)
    37  	if err != nil {
    38  		t.Fatal(err)
    39  	}
    40  	data, err = leveldb_get(db, key, nil)
    41  	if err != nil {
    42  		t.Fatal(err)
    43  	}
    44  	if !bytes.Equal(data, val) {
    45  		t.Fatalf("data not equal, got %v", data)
    46  	}
    47  
    48  	err = leveldb_delete(db, key, nil)
    49  	if err != nil {
    50  		t.Fatal(err)
    51  	}
    52  	data, err = leveldb_get(db, key, nil)
    53  	if err != ErrNotFound {
    54  		t.Fatalf("expect ErrNotFound, got %v", err)
    55  	}
    56  }