81 lines
1.7 KiB
Go
81 lines
1.7 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors All rights reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 hook
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import (
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"fmt"
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"testing"
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)
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const (
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hash1 = "1111111111111111111111111111111111111111"
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hash2 = "2222222222222222222222222222222222222222"
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)
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func TestHookData(t *testing.T) {
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t.Run("hook consumes first hash value", func(t *testing.T) {
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hd := NewHookData()
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hd.send(hash1)
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<-hd.events()
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hash := hd.get()
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if hash1 != hash {
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t.Fatalf("expected hash %s but got %s", hash1, hash)
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}
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})
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t.Run("last update wins when channel buffer is full", func(t *testing.T) {
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hd := NewHookData()
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for i := 0; i < 10; i++ {
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h := fmt.Sprintf("111111111111111111111111111111111111111%d", i)
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hd.send(h)
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}
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hd.send(hash2)
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<-hd.events()
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hash := hd.get()
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if hash2 != hash {
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t.Fatalf("expected hash %s but got %s", hash2, hash)
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}
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})
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t.Run("same hash value", func(t *testing.T) {
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hd := NewHookData()
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events := hd.events()
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hd.send(hash1)
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<-events
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hash := hd.get()
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if hash1 != hash {
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t.Fatalf("expected hash %s but got %s", hash1, hash)
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}
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hd.send(hash1)
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<-events
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hash = hd.get()
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if hash1 != hash {
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t.Fatalf("expected hash %s but got %s", hash1, hash)
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}
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})
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}
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