Tests that if the data dir is already in use, an appropriate error is returned.
(t *testing.T)
| 62 | |
| 63 | // Tests that if the data dir is already in use, an appropriate error is returned. |
| 64 | func TestNodeUsedDataDir(t *testing.T) { |
| 65 | // Create a temporary folder to use as the data directory |
| 66 | dir, err := ioutil.TempDir("", "") |
| 67 | if err != nil { |
| 68 | t.Fatalf("failed to create temporary data directory: %v", err) |
| 69 | } |
| 70 | defer os.RemoveAll(dir) |
| 71 | |
| 72 | // Create a new node based on the data directory |
| 73 | original, err := New(&Config{DataDir: dir}) |
| 74 | if err != nil { |
| 75 | t.Fatalf("failed to create original protocol stack: %v", err) |
| 76 | } |
| 77 | if err := original.Start(); err != nil { |
| 78 | t.Fatalf("failed to start original protocol stack: %v", err) |
| 79 | } |
| 80 | defer original.Stop() |
| 81 | |
| 82 | // Create a second node based on the same data directory and ensure failure |
| 83 | duplicate, err := New(&Config{DataDir: dir}) |
| 84 | if err != nil { |
| 85 | t.Fatalf("failed to create duplicate protocol stack: %v", err) |
| 86 | } |
| 87 | if err := duplicate.Start(); err != ErrDatadirUsed { |
| 88 | t.Fatalf("duplicate datadir failure mismatch: have %v, want %v", err, ErrDatadirUsed) |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | // Tests whether services can be registered and duplicates caught. |
| 93 | func TestServiceRegistry(t *testing.T) { |