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| 1 | +package litestream |
| 2 | + |
| 3 | +import ( |
| 4 | + "path/filepath" |
| 5 | + "testing" |
| 6 | + "time" |
| 7 | + |
| 8 | + "github.com/benbjohnson/litestream" |
| 9 | + "github.com/benbjohnson/litestream/file" |
| 10 | + "github.com/ncruces/go-sqlite3/driver" |
| 11 | + _ "github.com/ncruces/go-sqlite3/embed" |
| 12 | +) |
| 13 | + |
| 14 | +func Test_integration(t *testing.T) { |
| 15 | + dir := t.TempDir() |
| 16 | + dbpath := filepath.Join(dir, "test.db") |
| 17 | + backup := filepath.Join(dir, "backup", "test.db") |
| 18 | + |
| 19 | + db, err := driver.Open(dbpath) |
| 20 | + if err != nil { |
| 21 | + t.Fatal(err) |
| 22 | + } |
| 23 | + defer db.Close() |
| 24 | + |
| 25 | + client := file.NewReplicaClient(backup) |
| 26 | + NewReplica("test.db", client, ReplicaOptions{}) |
| 27 | + |
| 28 | + if err := setupPrimary(t, dbpath, client); err != nil { |
| 29 | + t.Fatal(err) |
| 30 | + } |
| 31 | + |
| 32 | + replica, err := driver.Open("file:test.db?vfs=litestream") |
| 33 | + if err != nil { |
| 34 | + t.Fatal(err) |
| 35 | + } |
| 36 | + defer replica.Close() |
| 37 | + |
| 38 | + _, err = db.ExecContext(t.Context(), `CREATE TABLE users (id INT, name VARCHAR(10))`) |
| 39 | + if err != nil { |
| 40 | + t.Fatal(err) |
| 41 | + } |
| 42 | + |
| 43 | + _, err = db.ExecContext(t.Context(), |
| 44 | + `INSERT INTO users (id, name) VALUES (0, 'go'), (1, 'zig'), (2, 'whatever')`) |
| 45 | + if err != nil { |
| 46 | + t.Fatal(err) |
| 47 | + } |
| 48 | + |
| 49 | + time.Sleep(DefaultPollInterval + litestream.DefaultMonitorInterval) |
| 50 | + |
| 51 | + rows, err := replica.QueryContext(t.Context(), `SELECT id, name FROM users`) |
| 52 | + if err != nil { |
| 53 | + t.Fatal(err) |
| 54 | + } |
| 55 | + defer rows.Close() |
| 56 | + |
| 57 | + row := 0 |
| 58 | + ids := []int{0, 1, 2} |
| 59 | + names := []string{"go", "zig", "whatever"} |
| 60 | + for ; rows.Next(); row++ { |
| 61 | + var id int |
| 62 | + var name string |
| 63 | + err := rows.Scan(&id, &name) |
| 64 | + if err != nil { |
| 65 | + t.Fatal(err) |
| 66 | + } |
| 67 | + |
| 68 | + if id != ids[row] { |
| 69 | + t.Errorf("got %d, want %d", id, ids[row]) |
| 70 | + } |
| 71 | + if name != names[row] { |
| 72 | + t.Errorf("got %q, want %q", name, names[row]) |
| 73 | + } |
| 74 | + } |
| 75 | + if row != 3 { |
| 76 | + t.Errorf("got %d, want %d", row, len(ids)) |
| 77 | + } |
| 78 | + |
| 79 | + var lag int |
| 80 | + err = replica.QueryRowContext(t.Context(), `PRAGMA litestream_lag`).Scan(&lag) |
| 81 | + if err != nil { |
| 82 | + t.Fatal(err) |
| 83 | + } |
| 84 | + if lag < 0 || lag > 2 { |
| 85 | + t.Errorf("got %d", lag) |
| 86 | + } |
| 87 | + |
| 88 | + var txid string |
| 89 | + err = replica.QueryRowContext(t.Context(), `PRAGMA litestream_txid`).Scan(&txid) |
| 90 | + if err != nil { |
| 91 | + t.Fatal(err) |
| 92 | + } |
| 93 | + if txid != "0000000000000001" { |
| 94 | + t.Errorf("got %q", txid) |
| 95 | + } |
| 96 | +} |
| 97 | + |
| 98 | +func setupPrimary(tb testing.TB, path string, client ReplicaClient) error { |
| 99 | + db, err := NewPrimary(tb.Context(), path, client, nil) |
| 100 | + if err == nil { |
| 101 | + tb.Cleanup(func() { db.Close(tb.Context()) }) |
| 102 | + } |
| 103 | + return err |
| 104 | +} |
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