Queue: Add generic graceful queues with settings

modules/queue/queue_test.go

@@ -0,0 +1,42 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package queue
+
+import "testing"
+
+import "github.com/stretchr/testify/assert"
+
+import "encoding/json"
+
+type testData struct {
+	TestString string
+	TestInt    int
+}
+
+func TestToConfig(t *testing.T) {
+	cfg := testData{
+		TestString: "Config",
+		TestInt:    10,
+	}
+	exemplar := testData{}
+
+	cfg2I, err := toConfig(exemplar, cfg)
+	assert.NoError(t, err)
+	cfg2, ok := (cfg2I).(testData)
+	assert.True(t, ok)
+	assert.NotEqual(t, cfg2, exemplar)
+	assert.Equal(t, &cfg, &cfg2)
+
+	cfgString, err := json.Marshal(cfg)
+	assert.NoError(t, err)
+
+	cfg3I, err := toConfig(exemplar, cfgString)
+	assert.NoError(t, err)
+	cfg3, ok := (cfg3I).(testData)
+	assert.True(t, ok)
+	assert.Equal(t, cfg.TestString, cfg3.TestString)
+	assert.Equal(t, cfg.TestInt, cfg3.TestInt)
+	assert.NotEqual(t, cfg3, exemplar)
+}