cli: add tests for db dump/restore

cli/dump_test.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"io/ioutil"
+	"os"
+	"path"
+	"testing"
+
+	"github.com/nspcc-dev/neo-go/pkg/config"
+	"github.com/stretchr/testify/require"
+	"gopkg.in/yaml.v2"
+)
+
+func TestDBRestore(t *testing.T) {
+	tmpDir := path.Join(os.TempDir(), "neogo.restoretest")
+	require.NoError(t, os.Mkdir(tmpDir, os.ModePerm))
+	defer os.RemoveAll(tmpDir)
+
+	chainPath := path.Join(tmpDir, "neogotestchain")
+	cfg, err := config.LoadFile("../config/protocol.unit_testnet.yml")
+	require.NoError(t, err, "could not load config")
+	cfg.ApplicationConfiguration.DBConfiguration.Type = "leveldb"
+	cfg.ApplicationConfiguration.DBConfiguration.LevelDBOptions.DataDirectoryPath = chainPath
+
+	out, err := yaml.Marshal(cfg)
+	require.NoError(t, err)
+
+	cfgPath := path.Join(tmpDir, "protocol.unit_testnet.yml")
+	require.NoError(t, ioutil.WriteFile(cfgPath, out, os.ModePerm))
+
+	// generated via `go run ./scripts/gendump/main.go --out ./cli/testdata/chain50x2.acc --blocks 50 --txs 2`
+	const inDump = "./testdata/chain50x2.acc"
+	e := newExecutor(t, false)
+	defer e.Close(t)
+	stateDump := path.Join(tmpDir, "neogo.teststate")
+	baseArgs := []string{"neo-go", "db", "restore", "--unittest",
+		"--config-path", tmpDir, "--in", inDump, "--dump", stateDump}
+
+	// First 15 blocks.
+	e.Run(t, append(baseArgs, "--count", "15")...)
+
+	// Invalid skips.
+	e.RunWithError(t, append(baseArgs, "--count", "10", "--skip", "14")...)
+	e.RunWithError(t, append(baseArgs, "--count", "10", "--skip", "16")...)
+	// Big count.
+	e.RunWithError(t, append(baseArgs, "--count", "1000", "--skip", "15")...)
+
+	// Continue 15..25
+	e.Run(t, append(baseArgs, "--count", "10", "--skip", "15")...)
+
+	// Continue till end.
+	e.Run(t, append(baseArgs, "--skip", "25")...)
+
+	// Dump and compare.
+	dumpPath := path.Join(tmpDir, "testdump.acc")
+	e.Run(t, "neo-go", "db", "dump", "--unittest",
+		"--config-path", tmpDir, "--out", dumpPath)
+
+	d1, err := ioutil.ReadFile(inDump)
+	require.NoError(t, err)
+	d2, err := ioutil.ReadFile(dumpPath)
+	require.NoError(t, err)
+	require.Equal(t, d1, d2, "dumps differ")
+}