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67 lines
1.4 KiB
67 lines
1.4 KiB
6 years ago
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/*
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* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package pubsub
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import (
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"fmt"
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"testing"
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)
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func TestSubscribe(t *testing.T) {
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ps := New()
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ps.Subscribe()
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ps.Subscribe()
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if len(ps.subs) != 2 {
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t.Errorf("expected 2 subscribers")
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}
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}
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func TestUnsubscribe(t *testing.T) {
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ps := New()
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c1 := ps.Subscribe()
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ps.Subscribe()
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ps.Unsubscribe(c1)
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if len(ps.subs) != 1 {
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t.Errorf("expected 1 subscriber")
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}
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}
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func TestPubSub(t *testing.T) {
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ps := New()
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c1 := ps.Subscribe()
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val := "hello"
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ps.Publish(val)
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msg := <-c1
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if msg != "hello" {
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t.Errorf(fmt.Sprintf("expected %s , found %s", val, msg))
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}
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}
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func TestMultiPubSub(t *testing.T) {
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ps := New()
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c1 := ps.Subscribe()
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c2 := ps.Subscribe()
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val := "hello"
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ps.Publish(val)
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msg1 := <-c1
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msg2 := <-c2
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if msg1 != "hello" && msg2 != "hello" {
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t.Errorf(fmt.Sprintf("expected both subscribers to have%s , found %s and %s", val, msg1, msg2))
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}
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}
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