78 lines
1.6 KiB
Go
78 lines
1.6 KiB
Go
package raft
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import (
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"testing"
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"time"
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)
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//------------------------------------------------------------------------------
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//
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// Tests
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//
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//------------------------------------------------------------------------------
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// Ensure that we can start an election timer and it will go off in the specified duration.
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func TestElectionTimerReset(t *testing.T) {
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count, finished := 0, false
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timer := NewElectionTimer(5 * time.Millisecond)
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go func() {
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for {
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if _, ok := <-timer.C; ok {
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count++
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timer.Reset()
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} else {
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break
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}
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}
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finished = true
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}()
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timer.Reset()
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time.Sleep(25 * time.Millisecond)
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if count < 2 {
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t.Fatalf("Timer should have executed at least twice (%d)", count)
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}
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if finished {
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t.Fatalf("Timer finished too early")
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}
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timer.Stop()
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// Uncomment below to test timer stops. Golang channel closing is unpredictable though so it slows down our test.
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/**
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time.Sleep(500 * time.Millisecond)
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if !finished {
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t.Fatalf("Timer did not finish")
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}
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*/
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}
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// Ensure that we can pause an election timer.
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func TestElectionTimerPause(t *testing.T) {
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count := 0
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timer := NewElectionTimer(10 * time.Millisecond)
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go func() {
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<-timer.C
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count++
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}()
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timer.Reset()
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time.Sleep(5 * time.Millisecond)
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if count != 0 {
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t.Fatalf("Timer executed when it should not have (%d)", count)
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}
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timer.Pause()
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time.Sleep(20 * time.Millisecond)
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if count != 0 {
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t.Fatalf("Timer executed when it should not have (%d)", count)
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}
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timer.Reset()
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time.Sleep(50 * time.Millisecond)
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if count != 1 {
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t.Fatalf("Timer did not execute when it should have (%d)", count)
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}
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timer.Stop()
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}
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