Add test to daoerr.WrapPostgresError

Author: thomaspoignant

dao/err/dao_error.go

@@ -1,4 +1,4 @@
-package daoErr
+package daoerr
 
 type DaoErrorCode string
 

dao/err/postgres_error_wrapper.go

@@ -1,4 +1,4 @@
-package daoErr
+package daoerr
 
 import (
 	"database/sql"

dao/err/postgres_error_wrapper_test.go

@@ -0,0 +1,40 @@
+package daoerr_test
+
+import (
+	"database/sql"
+	"errors"
+	"testing"
+
+	daoerr "github.com/go-feature-flag/app-api/dao/err"
+	"github.com/lib/pq"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestWrapPostgresError(t *testing.T) {
+	tests := []struct {
+		name string
+		err  error
+		want daoerr.DaoError
+	}{
+		{
+			name: "should return not found error",
+			err:  sql.ErrNoRows,
+			want: daoerr.NewDaoError(daoerr.NotFound, sql.ErrNoRows),
+		},
+		{
+			name: "should return invalid uuid error",
+			err:  &pq.Error{Code: "22P02"},
+			want: daoerr.NewDaoError(daoerr.InvalidUUID, &pq.Error{Code: "22P02"}),
+		},
+		{
+			name: "should return an unknown error",
+			err:  errors.New("random error"),
+			want: daoerr.NewDaoError(daoerr.UnknownError, errors.New("random error")),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			assert.Equal(t, tt.want, daoerr.WrapPostgresError(tt.err))
+		})
+	}
+}