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package config
import (
"os"
"testing"
"github.com/cloudflare/cloudflared/logger"
"github.com/cloudflare/cloudflared/watcher"
"github.com/stretchr/testify/assert"
)
type mockNotifier struct {
configs []Root
}
func (n *mockNotifier) ConfigDidUpdate(c Root) {
n.configs = append(n.configs, c)
}
type mockFileWatcher struct {
path string
notifier watcher.Notification
ready chan struct{}
}
func (w *mockFileWatcher) Start(n watcher.Notification) {
w.notifier = n
w.ready <- struct{}{}
}
func (w *mockFileWatcher) Add(string) error {
return nil
}
func (w *mockFileWatcher) Shutdown() {
}
func (w *mockFileWatcher) TriggerChange() {
w.notifier.WatcherItemDidChange(w.path)
}
func TestConfigChanged(t *testing.T) {
filePath := "config.yaml"
f, err := os.Create(filePath)
assert.NoError(t, err)
defer func() {
f.Close()
os.Remove(filePath)
}()
c := &Root{
Forwarders: []Forwarder{
{
URL: "test.daltoniam.com",
Listener: "127.0.0.1:8080",
},
},
}
configRead := func(configPath string) (Root, error) {
return *c, nil
}
wait := make(chan struct{})
w := &mockFileWatcher{path: filePath, ready: wait}
logger := logger.NewOutputWriter(logger.NewMockWriteManager())
service, err := NewFileManager(w, filePath, logger)
service.ReadConfig = configRead
assert.NoError(t, err)
n := &mockNotifier{}
go service.Start(n)
<-wait
c.Forwarders = append(c.Forwarders, Forwarder{URL: "add.daltoniam.com", Listener: "127.0.0.1:8081"})
w.TriggerChange()
service.Shutdown()
assert.Len(t, n.configs, 2, "did not get 2 config updates as expected")
assert.Len(t, n.configs[0].Forwarders, 1, "not the amount of forwarders expected")
assert.Len(t, n.configs[1].Forwarders, 2, "not the amount of forwarders expected")
assert.Equal(t, n.configs[0].Forwarders[0].Hash(), c.Forwarders[0].Hash(), "forwarder hashes don't match")
assert.Equal(t, n.configs[1].Forwarders[0].Hash(), c.Forwarders[0].Hash(), "forwarder hashes don't match")
assert.Equal(t, n.configs[1].Forwarders[1].Hash(), c.Forwarders[1].Hash(), "forwarder hashes don't match")
}