88 lines
1.6 KiB
Go
88 lines
1.6 KiB
Go
package consul_test
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import (
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"context"
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"fmt"
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"os"
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"testing"
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"time"
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jsoncodec "go.unistack.org/micro-codec-json/v3"
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consul "go.unistack.org/micro-config-consul/v3"
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"go.unistack.org/micro/v3/config"
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)
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type Cfg struct {
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StringValue string `default:"string_value"`
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IgnoreValue string `json:"-"`
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StructValue struct {
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StringValue string `default:"string_value"`
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}
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IntValue int `default:"99"`
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}
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func TestWatch(t *testing.T) {
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if tr := os.Getenv("INTEGRATION_TESTS"); len(tr) > 0 {
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t.Skip()
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}
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addrs := ""
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if addr := os.Getenv("CONSUL_ADDRS"); len(addr) == 0 {
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addrs = "127.0.0.1:8500"
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} else {
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addrs = addr
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}
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ctx := context.Background()
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conf := &Cfg{IntValue: 10}
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cfg := consul.NewConfig(config.Struct(conf), consul.Address(addrs), consul.Path("test/consul"), config.Codec(jsoncodec.NewCodec()))
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if err := cfg.Init(); err != nil {
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t.Fatal(err)
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}
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if err := cfg.Load(ctx); err != nil {
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t.Fatal(err)
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}
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w, err := cfg.Watch(ctx, config.WatchInterval(700*time.Millisecond, 2000*time.Millisecond))
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if err != nil {
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t.Fatal(err)
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}
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defer func() {
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_ = w.Stop()
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}()
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done := make(chan struct{})
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go func() {
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for {
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mp, err := w.Next()
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if err != nil {
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t.Fatal(err)
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}
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if len(mp) != 1 {
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close(done)
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t.Fatal(fmt.Errorf("consul watcher err: %v", mp))
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return
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}
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v, ok := mp["IntValue"]
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if !ok {
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close(done)
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t.Fatal(fmt.Errorf("consul watcher err: %v", v))
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return
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}
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if nv, ok := v.(int); !ok || nv != 5 {
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close(done)
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t.Fatal(fmt.Errorf("consul watcher err: %v", v))
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return
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}
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close(done)
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return
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}
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}()
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<-done
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}
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