(fixup) Add compact_test for improving coverage

cmd/ostracon/commands/compact_test.go

@@ -0,0 +1,52 @@
+package commands
+
+import (
+	cfg "github.com/Finschia/ostracon/config"
+	"github.com/Finschia/ostracon/libs/log"
+	"github.com/stretchr/testify/assert"
+	"os"
+	"testing"
+)
+
+func Test_RunE(t *testing.T) {
+	config = cfg.TestConfig()
+	config.RootDir = os.TempDir()
+	config.DBBackend = "badgerdb" // not support
+	logger = log.TestingLogger()
+	err := CompactGoLevelDBCmd.RunE(nil, nil)
+	assert.Error(t, err)
+	config.DBBackend = "goleveldb"
+	err = CompactGoLevelDBCmd.RunE(nil, nil)
+	assert.NoError(t, err)
+}
+
+func Test_compactGoLevelDBs(t *testing.T) {
+	type args struct {
+		rootDir string
+		logger  log.Logger
+	}
+	tests := []struct {
+		name string
+		args args
+	}{
+		{
+			name: "success",
+			args: args{
+				rootDir: os.TempDir(),
+				logger:  log.TestingLogger(),
+			},
+		},
+		{
+			name: "doesn't exist db dir",
+			args: args{
+				rootDir: "/nonexistent",
+				logger:  log.TestingLogger(),
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			compactGoLevelDBs(tt.args.rootDir, tt.args.logger)
+		})
+	}
+}