forked from mystiq/dex
120 lines
2.2 KiB
Go
120 lines
2.2 KiB
Go
package clockwork
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import (
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"reflect"
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"testing"
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"time"
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)
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func TestFakeClockAfter(t *testing.T) {
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fc := &fakeClock{}
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zero := fc.After(0)
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select {
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case <-zero:
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default:
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t.Errorf("zero did not return!")
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}
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one := fc.After(1)
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two := fc.After(2)
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six := fc.After(6)
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ten := fc.After(10)
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fc.Advance(1)
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select {
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case <-one:
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default:
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t.Errorf("one did not return!")
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}
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select {
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case <-two:
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t.Errorf("two returned prematurely!")
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case <-six:
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t.Errorf("six returned prematurely!")
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case <-ten:
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t.Errorf("ten returned prematurely!")
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default:
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}
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fc.Advance(1)
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select {
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case <-two:
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default:
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t.Errorf("two did not return!")
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}
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select {
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case <-six:
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t.Errorf("six returned prematurely!")
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case <-ten:
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t.Errorf("ten returned prematurely!")
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default:
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}
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fc.Advance(1)
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select {
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case <-six:
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t.Errorf("six returned prematurely!")
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case <-ten:
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t.Errorf("ten returned prematurely!")
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default:
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}
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fc.Advance(3)
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select {
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case <-six:
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default:
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t.Errorf("six did not return!")
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}
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select {
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case <-ten:
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t.Errorf("ten returned prematurely!")
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default:
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}
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fc.Advance(100)
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select {
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case <-ten:
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default:
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t.Errorf("ten did not return!")
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}
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}
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func TestNotifyBlockers(t *testing.T) {
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b1 := &blocker{1, make(chan struct{})}
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b2 := &blocker{2, make(chan struct{})}
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b3 := &blocker{5, make(chan struct{})}
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b4 := &blocker{10, make(chan struct{})}
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b5 := &blocker{10, make(chan struct{})}
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bs := []*blocker{b1, b2, b3, b4, b5}
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bs1 := notifyBlockers(bs, 2)
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if n := len(bs1); n != 4 {
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t.Fatalf("got %d blockers, want %d", n, 4)
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}
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select {
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case <-b2.ch:
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case <-time.After(time.Second):
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t.Fatalf("timed out waiting for channel close!")
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}
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bs2 := notifyBlockers(bs1, 10)
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if n := len(bs2); n != 2 {
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t.Fatalf("got %d blockers, want %d", n, 2)
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}
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select {
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case <-b4.ch:
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case <-time.After(time.Second):
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t.Fatalf("timed out waiting for channel close!")
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}
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select {
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case <-b5.ch:
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case <-time.After(time.Second):
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t.Fatalf("timed out waiting for channel close!")
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}
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}
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func TestNewFakeClock(t *testing.T) {
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fc := NewFakeClock()
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now := fc.Now()
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if now.IsZero() {
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t.Fatalf("fakeClock.Now() fulfills IsZero")
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}
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now2 := fc.Now()
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if !reflect.DeepEqual(now, now2) {
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t.Fatalf("fakeClock.Now() returned different value: want=%#v got=%#v", now, now2)
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}
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}
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