Added IdentityImage Database store and get tests

images/database.go

@@ -67,7 +67,7 @@ func (d *Database) StoreIdentityImages(iis []IdentityImage)  (err error) {
 	defer stmt.Close()
 
 	for _, ii := range iis {
-		_, err = stmt.Exec(ii)
+		_, err = stmt.Exec(ii.Type, ii.Payload, ii.Width, ii.Height, ii.FileSize, ii.ResizeTarget)
 		if err != nil {
 			return
 		}

images/database_test.go

@@ -3,10 +3,61 @@ package images
 import (
 	"encoding/json"
 	"errors"
-	"github.com/stretchr/testify/require"
+	"io/ioutil"
+	"os"
 	"testing"
+
+	"github.com/status-im/status-go/appdatabase"
+
+	"github.com/stretchr/testify/require"
 )
 
+func setupTestDB(t *testing.T) (Database, func()) {
+	tmpfile, err := ioutil.TempFile("", "images-tests-")
+	require.NoError(t, err)
+	db, err := appdatabase.InitializeDB(tmpfile.Name(), "images-tests")
+	require.NoError(t, err)
+	return NewDatabase(db), func() {
+		require.NoError(t, db.Close())
+		require.NoError(t, os.Remove(tmpfile.Name()))
+	}
+}
+
+func TestDatabase_GetIdentityImages(t *testing.T) {
+	db, stop := setupTestDB(t)
+	defer stop()
+
+	iis := []IdentityImage{
+		{
+			Type:         "thumbnail",
+			Payload:      testJpegBytes,
+			Width:        80,
+			Height:       80,
+			FileSize:     256,
+			ResizeTarget: 80,
+		},
+		{
+			Type:         "large",
+			Payload:      testPngBytes,
+			Width:        240,
+			Height:       300,
+			FileSize:     1024,
+			ResizeTarget: 240,
+		},
+	}
+	expected := `[{"type":"large","uri":"data:image/png;base64,iVBORw0KGgoAAAANSUg=","width":240,"height":300,"file_size":1024,"resize_target":240},{"type":"thumbnail","uri":"data:image/jpeg;base64,/9j/2wCEAFA3PEY8MlA=","width":80,"height":80,"file_size":256,"resize_target":80}]`
+
+	err := db.StoreIdentityImages(iis)
+	require.NoError(t, err)
+
+	oiis, err := db.GetIdentityImages()
+	require.NoError(t, err)
+
+	joiis, err := json.Marshal(oiis)
+	require.NoError(t, err)
+	require.Exactly(t, expected, string(joiis))
+}
+
 func TestIdentityImage_GetDataURI(t *testing.T) {
 	cs := []struct{
 		II IdentityImage