diff --git a/app/migrator/migrator_test.go b/app/migrator/migrator_test.go
new file mode 100644
index 00000000..9558bb33
--- /dev/null
+++ b/app/migrator/migrator_test.go
@@ -0,0 +1,64 @@
+package migrator
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"github.com/umputun/remark/app/store"
+)
+
+func TestMigrator_ImportDisqus(t *testing.T) {
+	defer func() {
+		os.Remove("/tmp/remark-test.db")
+		os.Remove("/tmp/disqus-test.xml")
+	}()
+
+	err := ioutil.WriteFile("/tmp/disqus-test.xml", []byte(xmlTest), 0600)
+	require.Nil(t, err)
+
+	dataStore, err := store.NewBoltDB(store.BoltSite{FileName: "/tmp/remark-test.db", SiteID: "test"})
+	require.Nil(t, err, "create store")
+
+	err = ImportComments(ImportParams{
+		DataStore: dataStore,
+		InputFile: "/tmp/disqus-test.xml",
+		SiteID:    "test",
+		Provider:  "disqus",
+	})
+	assert.Nil(t, err)
+
+	last, err := dataStore.Last("test", 10)
+	assert.Nil(t, err)
+	assert.Equal(t, 3, len(last), "3 comments imported")
+}
+
+func TestMigrator_ImportRemark(t *testing.T) {
+	defer func() {
+		os.Remove("/tmp/remark-test.db")
+		os.Remove("/tmp/disqus-test.r42")
+	}()
+
+	data := `{"id":"efbc17f177ee1a1c0ee6e1e025749966ec071adc","pid":"","text":"some text, <a href=\"http://radio-t.com\" rel=\"nofollow\">link</a>","user":{"name":"user name","id":"user1","picture":"","profile":"","admin":false},"locator":{"site":"radio-t","url":"https://radio-t.com"},"score":0,"votes":{},"time":"2017-12-20T15:18:22-06:00"}` + "\n" +
+		`{"id":"afbc17f177ee1a1c0ee6e1e025749966ec071adc","pid":"efbc17f177ee1a1c0ee6e1e025749966ec071adc","text":"some text2, <a href=\"http://radio-t.com\" rel=\"nofollow\">link</a>","user":{"name":"user name","id":"user1","picture":"","profile":"","admin":false},"locator":{"site":"radio-t","url":"https://radio-t.com"},"score":0,"votes":{},"time":"2017-12-20T15:18:23-06:00"}` + "\n"
+
+	err := ioutil.WriteFile("/tmp/disqus-test.r42", []byte(data), 0600)
+	require.Nil(t, err)
+
+	dataStore, err := store.NewBoltDB(store.BoltSite{FileName: "/tmp/remark-test.db", SiteID: "radio-t"})
+	require.Nil(t, err, "create store")
+
+	err = ImportComments(ImportParams{
+		DataStore: dataStore,
+		InputFile: "/tmp/disqus-test.r42",
+		SiteID:    "radio-t",
+		Provider:  "native",
+	})
+	assert.Nil(t, err)
+
+	last, err := dataStore.Last("radio-t", 10)
+	assert.Nil(t, err)
+	assert.Equal(t, 2, len(last), "2 comments imported")
+}