feat: verify by checksum and remove if invalid

internal/versioner/versioner_remove_test.go

@@ -0,0 +1,52 @@
+// Copyright (c) 2020 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// +build !darwin
+
+package versioner
+
+import (
+	"io/ioutil"
+	"path/filepath"
+	"testing"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+// RemoveOldVersions is a noop on darwin; we don't test it there.
+
+func TestRemoveOldVersions(t *testing.T) {
+	updates, err := ioutil.TempDir("", "updates")
+	require.NoError(t, err)
+
+	v := newTestVersioner(t, "myCoolApp", updates, "2.3.4-beta", "2.3.4", "2.3.5", "2.4.0")
+
+	allVersions, err := v.ListVersions()
+	require.NoError(t, err)
+	require.Len(t, allVersions, 4)
+
+	assert.NoError(t, v.RemoveOldVersions())
+
+	cleanedVersions, err := v.ListVersions()
+	assert.NoError(t, err)
+	assert.Len(t, cleanedVersions, 1)
+
+	assert.Equal(t, semver.MustParse("2.4.0"), cleanedVersions[0].version)
+	assert.Equal(t, filepath.Join(updates, "2.4.0"), cleanedVersions[0].path)
+}