mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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339 lines
11 KiB
Go
339 lines
11 KiB
Go
package connmgr
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import (
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"os"
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"testing"
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"time"
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"github.com/libp2p/go-libp2p/core/connmgr"
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"github.com/libp2p/go-libp2p/core/peer"
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tu "github.com/libp2p/go-libp2p/core/test"
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"github.com/benbjohnson/clock"
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"github.com/stretchr/testify/require"
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)
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const TestResolution = 50 * time.Millisecond
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func waitForTag(t *testing.T, mgr *BasicConnMgr, id peer.ID) {
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t.Helper()
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require.Eventually(t, func() bool { return mgr.GetTagInfo(id) != nil }, 500*time.Millisecond, 10*time.Millisecond)
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}
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func TestDecayExpire(t *testing.T) {
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id := tu.RandPeerIDFatal(t)
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mgr, decay, mockClock := testDecayTracker(t)
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tag, err := decay.RegisterDecayingTag("pop", 250*time.Millisecond, connmgr.DecayExpireWhenInactive(1*time.Second), connmgr.BumpSumUnbounded())
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require.NoError(t, err)
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require.NoError(t, tag.Bump(id, 10))
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waitForTag(t, mgr, id)
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require.Equal(t, 10, mgr.GetTagInfo(id).Value)
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mockClock.Add(250 * time.Millisecond)
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mockClock.Add(250 * time.Millisecond)
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mockClock.Add(250 * time.Millisecond)
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mockClock.Add(250 * time.Millisecond)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Value }, 0)
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}
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func TestMultipleBumps(t *testing.T) {
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id := tu.RandPeerIDFatal(t)
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mgr, decay, _ := testDecayTracker(t)
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tag, err := decay.RegisterDecayingTag("pop", 250*time.Millisecond, connmgr.DecayExpireWhenInactive(1*time.Second), connmgr.BumpSumBounded(10, 20))
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require.NoError(t, err)
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require.NoError(t, tag.Bump(id, 5))
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waitForTag(t, mgr, id)
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require.Equal(t, mgr.GetTagInfo(id).Value, 10)
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require.NoError(t, tag.Bump(id, 100))
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require.Eventually(t, func() bool { return mgr.GetTagInfo(id).Value == 20 }, 100*time.Millisecond, 10*time.Millisecond, "expected tag value to decay to 20")
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}
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func TestMultipleTagsNoDecay(t *testing.T) {
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id := tu.RandPeerIDFatal(t)
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mgr, decay, _ := testDecayTracker(t)
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tag1, err := decay.RegisterDecayingTag("beep", 250*time.Millisecond, connmgr.DecayNone(), connmgr.BumpSumBounded(0, 100))
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require.NoError(t, err)
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tag2, err := decay.RegisterDecayingTag("bop", 250*time.Millisecond, connmgr.DecayNone(), connmgr.BumpSumBounded(0, 100))
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require.NoError(t, err)
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tag3, err := decay.RegisterDecayingTag("foo", 250*time.Millisecond, connmgr.DecayNone(), connmgr.BumpSumBounded(0, 100))
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require.NoError(t, err)
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_ = tag1.Bump(id, 100)
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_ = tag2.Bump(id, 100)
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_ = tag3.Bump(id, 100)
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_ = tag1.Bump(id, 100)
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_ = tag2.Bump(id, 100)
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_ = tag3.Bump(id, 100)
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waitForTag(t, mgr, id)
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// all tags are upper-bounded, so the score must be 300
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ti := mgr.GetTagInfo(id)
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require.Equal(t, ti.Value, 300)
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for _, s := range []string{"beep", "bop", "foo"} {
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if v, ok := ti.Tags[s]; !ok || v != 100 {
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t.Fatalf("expected tag %s to be 100; was = %d", s, v)
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}
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}
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}
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func TestCustomFunctions(t *testing.T) {
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id := tu.RandPeerIDFatal(t)
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mgr, decay, mockClock := testDecayTracker(t)
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tag1, err := decay.RegisterDecayingTag("beep", 250*time.Millisecond, connmgr.DecayFixed(10), connmgr.BumpSumUnbounded())
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require.NoError(t, err)
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tag2, err := decay.RegisterDecayingTag("bop", 100*time.Millisecond, connmgr.DecayFixed(5), connmgr.BumpSumUnbounded())
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require.NoError(t, err)
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tag3, err := decay.RegisterDecayingTag("foo", 50*time.Millisecond, connmgr.DecayFixed(1), connmgr.BumpSumUnbounded())
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require.NoError(t, err)
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_ = tag1.Bump(id, 1000)
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_ = tag2.Bump(id, 1000)
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_ = tag3.Bump(id, 1000)
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waitForTag(t, mgr, id)
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// no decay has occurred yet, so score must be 3000.
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require.Equal(t, 3000, mgr.GetTagInfo(id).Value)
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// only tag3 should tick.
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mockClock.Add(50 * time.Millisecond)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Value }, 2999)
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// tag3 will tick thrice, tag2 will tick twice.
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mockClock.Add(150 * time.Millisecond)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Value }, 2986)
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// tag3 will tick once, tag1 will tick once.
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mockClock.Add(50 * time.Millisecond)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Value }, 2975)
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}
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func TestMultiplePeers(t *testing.T) {
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ids := []peer.ID{tu.RandPeerIDFatal(t), tu.RandPeerIDFatal(t), tu.RandPeerIDFatal(t)}
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mgr, decay, mockClock := testDecayTracker(t)
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tag1, err := decay.RegisterDecayingTag("beep", 250*time.Millisecond, connmgr.DecayFixed(10), connmgr.BumpSumUnbounded())
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require.NoError(t, err)
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tag2, err := decay.RegisterDecayingTag("bop", 100*time.Millisecond, connmgr.DecayFixed(5), connmgr.BumpSumUnbounded())
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require.NoError(t, err)
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tag3, err := decay.RegisterDecayingTag("foo", 50*time.Millisecond, connmgr.DecayFixed(1), connmgr.BumpSumUnbounded())
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require.NoError(t, err)
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_ = tag1.Bump(ids[0], 1000)
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_ = tag2.Bump(ids[0], 1000)
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_ = tag3.Bump(ids[0], 1000)
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_ = tag1.Bump(ids[1], 500)
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_ = tag2.Bump(ids[1], 500)
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_ = tag3.Bump(ids[1], 500)
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_ = tag1.Bump(ids[2], 100)
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_ = tag2.Bump(ids[2], 100)
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_ = tag3.Bump(ids[2], 100)
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// allow the background goroutine to process bumps.
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waitFor := 100 * time.Millisecond
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tick := 10 * time.Millisecond
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if os.Getenv("CI") != "" {
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waitFor *= 10
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tick *= 10
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}
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require.Eventually(t, func() bool {
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return mgr.GetTagInfo(ids[0]) != nil && mgr.GetTagInfo(ids[1]) != nil && mgr.GetTagInfo(ids[2]) != nil
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}, waitFor, tick)
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mockClock.Add(3 * time.Second)
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waitFor = 500 * time.Millisecond
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if os.Getenv("CI") != "" {
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waitFor *= 10
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}
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require.Eventually(t, func() bool { return mgr.GetTagInfo(ids[0]).Value == 2670 }, waitFor, tick)
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require.Equal(t, 1170, mgr.GetTagInfo(ids[1]).Value)
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require.Equal(t, 40, mgr.GetTagInfo(ids[2]).Value)
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}
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func eventuallyEqual(t *testing.T, f func() int, val int) {
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t.Helper()
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require.Eventually(t, func() bool {
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v := f()
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if v == val {
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return true
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}
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t.Log("f() was", v, "expected", val, "retrying...")
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return false
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}, 1*time.Second, 10*time.Millisecond)
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}
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func TestLinearDecayOverwrite(t *testing.T) {
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id := tu.RandPeerIDFatal(t)
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mgr, decay, mockClock := testDecayTracker(t)
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tag1, err := decay.RegisterDecayingTag("beep", 250*time.Millisecond, connmgr.DecayLinear(0.5), connmgr.BumpOverwrite())
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require.NoError(t, err)
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_ = tag1.Bump(id, 1000)
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waitForTag(t, mgr, id)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Value }, 1000)
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mockClock.Add(250 * time.Millisecond)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Value }, 500)
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mockClock.Add(250 * time.Millisecond)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Value }, 250)
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_ = tag1.Bump(id, 1000)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Value }, 1000)
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}
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func TestResolutionMisaligned(t *testing.T) {
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var (
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id = tu.RandPeerIDFatal(t)
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mgr, decay, mockClock = testDecayTracker(t)
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require = require.New(t)
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)
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tag1, err := decay.RegisterDecayingTag("beep", time.Duration(float64(TestResolution)*1.4), connmgr.DecayFixed(1), connmgr.BumpOverwrite())
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require.NoError(err)
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tag2, err := decay.RegisterDecayingTag("bop", time.Duration(float64(TestResolution)*2.4), connmgr.DecayFixed(1), connmgr.BumpOverwrite())
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require.NoError(err)
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_ = tag1.Bump(id, 1000)
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_ = tag2.Bump(id, 1000)
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// allow the background goroutine to process bumps.
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<-time.After(500 * time.Millisecond)
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// first tick.
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mockClock.Add(TestResolution)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Tags["beep"] }, 1000)
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require.Equal(1000, mgr.GetTagInfo(id).Tags["bop"])
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// next tick; tag1 would've ticked.
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mockClock.Add(TestResolution)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Tags["beep"] }, 999)
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require.Equal(1000, mgr.GetTagInfo(id).Tags["bop"])
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// next tick; tag1 would've ticked twice, tag2 once.
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mockClock.Add(TestResolution)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Tags["beep"] }, 998)
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require.Equal(999, mgr.GetTagInfo(id).Tags["bop"])
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require.Equal(1997, mgr.GetTagInfo(id).Value)
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}
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func TestTagRemoval(t *testing.T) {
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id1, id2 := tu.RandPeerIDFatal(t), tu.RandPeerIDFatal(t)
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mgr, decay, mockClock := testDecayTracker(t)
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tag1, err := decay.RegisterDecayingTag("beep", TestResolution, connmgr.DecayFixed(1), connmgr.BumpOverwrite())
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require.NoError(t, err)
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tag2, err := decay.RegisterDecayingTag("bop", TestResolution, connmgr.DecayFixed(1), connmgr.BumpOverwrite())
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require.NoError(t, err)
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// id1 has both tags; id2 only has the first tag.
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_ = tag1.Bump(id1, 1000)
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_ = tag2.Bump(id1, 1000)
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_ = tag1.Bump(id2, 1000)
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waitForTag(t, mgr, id1)
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waitForTag(t, mgr, id2)
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// first tick.
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mockClock.Add(TestResolution)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id1).Tags["beep"] }, 999)
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require.Equal(t, 999, mgr.GetTagInfo(id1).Tags["bop"])
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require.Equal(t, 999, mgr.GetTagInfo(id2).Tags["beep"])
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require.Equal(t, 999*2, mgr.GetTagInfo(id1).Value)
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require.Equal(t, 999, mgr.GetTagInfo(id2).Value)
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// remove tag1 from p1.
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require.NoError(t, tag1.Remove(id1))
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// next tick. both peers only have 1 tag, both at 998 value.
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mockClock.Add(TestResolution)
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require.Eventually(t, func() bool { return mgr.GetTagInfo(id1).Tags["beep"] == 0 }, 500*time.Millisecond, 10*time.Millisecond)
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require.Equal(t, 998, mgr.GetTagInfo(id1).Tags["bop"])
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require.Equal(t, 998, mgr.GetTagInfo(id2).Tags["beep"])
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require.Equal(t, 998, mgr.GetTagInfo(id1).Value)
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require.Equal(t, 998, mgr.GetTagInfo(id2).Value)
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// remove tag1 from p1 again; no error.
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require.NoError(t, tag1.Remove(id1))
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}
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func TestTagClosure(t *testing.T) {
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id := tu.RandPeerIDFatal(t)
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mgr, decay, mockClock := testDecayTracker(t)
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tag1, err := decay.RegisterDecayingTag("beep", TestResolution, connmgr.DecayFixed(1), connmgr.BumpOverwrite())
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require.NoError(t, err)
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tag2, err := decay.RegisterDecayingTag("bop", TestResolution, connmgr.DecayFixed(1), connmgr.BumpOverwrite())
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require.NoError(t, err)
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_ = tag1.Bump(id, 1000)
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_ = tag2.Bump(id, 1000)
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waitForTag(t, mgr, id)
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// nothing has happened.
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mockClock.Add(TestResolution)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Tags["beep"] }, 999)
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require.Equal(t, 999, mgr.GetTagInfo(id).Tags["bop"])
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require.Equal(t, 999*2, mgr.GetTagInfo(id).Value)
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// next tick; tag1 would've ticked.
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mockClock.Add(TestResolution)
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eventuallyEqual(t, func() int { return mgr.GetTagInfo(id).Tags["beep"] }, 998)
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require.Equal(t, 998, mgr.GetTagInfo(id).Tags["bop"])
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require.Equal(t, 998*2, mgr.GetTagInfo(id).Value)
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// close the tag.
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require.NoError(t, tag1.Close())
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// allow the background goroutine to process the closure.
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require.Eventually(t, func() bool { return mgr.GetTagInfo(id).Value == 998 }, 500*time.Millisecond, 10*time.Millisecond)
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// a second closure should not error.
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require.NoError(t, tag1.Close())
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// bumping a tag after it's been closed should error.
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require.Error(t, tag1.Bump(id, 5))
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}
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func testDecayTracker(tb testing.TB) (*BasicConnMgr, connmgr.Decayer, *clock.Mock) {
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mockClock := clock.NewMock()
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cfg := &DecayerCfg{
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Resolution: TestResolution,
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Clock: mockClock,
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}
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mgr, err := NewConnManager(10, 10, WithGracePeriod(time.Second), DecayerConfig(cfg))
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require.NoError(tb, err)
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decay, ok := connmgr.SupportsDecay(mgr)
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if !ok {
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tb.Fatalf("connmgr does not support decay")
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}
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tb.Cleanup(func() {
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mgr.Close()
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decay.Close()
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})
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return mgr, decay, mockClock
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}
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