metrics: pull library and introduce ResettingTimer and InfluxDB reporter (#15910)
* go-metrics: fork library and introduce ResettingTimer and InfluxDB reporter. * vendor: change nonsense/go-metrics to ethersphere/go-metrics * go-metrics: add tests. move ResettingTimer logic from reporter to type. * all, metrics: pull in metrics package in go-ethereum * metrics/test: make sure metrics are enabled for tests * metrics: apply gosimple rules * metrics/exp, internal/debug: init expvar endpoint when starting pprof server * internal/debug: tiny comment formatting fix
This commit is contained in:
Anton Evangelatov
committed by
Péter Szilágyi
Péter Szilágyi
parent
7f74bdf8dd
commit
ae9f97221a
305
metrics/registry_test.go
Normal file
305
metrics/registry_test.go
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@ -0,0 +1,305 @@
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package metrics
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import (
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"testing"
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)
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func BenchmarkRegistry(b *testing.B) {
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r := NewRegistry()
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r.Register("foo", NewCounter())
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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r.Each(func(string, interface{}) {})
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}
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}
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func TestRegistry(t *testing.T) {
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r := NewRegistry()
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r.Register("foo", NewCounter())
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i := 0
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r.Each(func(name string, iface interface{}) {
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i++
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if "foo" != name {
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t.Fatal(name)
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}
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if _, ok := iface.(Counter); !ok {
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t.Fatal(iface)
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}
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})
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if 1 != i {
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t.Fatal(i)
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}
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r.Unregister("foo")
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i = 0
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r.Each(func(string, interface{}) { i++ })
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if 0 != i {
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t.Fatal(i)
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}
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}
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func TestRegistryDuplicate(t *testing.T) {
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r := NewRegistry()
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if err := r.Register("foo", NewCounter()); nil != err {
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t.Fatal(err)
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}
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if err := r.Register("foo", NewGauge()); nil == err {
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t.Fatal(err)
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}
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i := 0
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r.Each(func(name string, iface interface{}) {
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i++
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if _, ok := iface.(Counter); !ok {
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t.Fatal(iface)
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}
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})
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if 1 != i {
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t.Fatal(i)
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}
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}
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func TestRegistryGet(t *testing.T) {
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r := NewRegistry()
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r.Register("foo", NewCounter())
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if count := r.Get("foo").(Counter).Count(); 0 != count {
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t.Fatal(count)
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}
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r.Get("foo").(Counter).Inc(1)
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if count := r.Get("foo").(Counter).Count(); 1 != count {
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t.Fatal(count)
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}
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}
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func TestRegistryGetOrRegister(t *testing.T) {
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r := NewRegistry()
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// First metric wins with GetOrRegister
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_ = r.GetOrRegister("foo", NewCounter())
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m := r.GetOrRegister("foo", NewGauge())
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if _, ok := m.(Counter); !ok {
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t.Fatal(m)
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}
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i := 0
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r.Each(func(name string, iface interface{}) {
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i++
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if name != "foo" {
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t.Fatal(name)
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}
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if _, ok := iface.(Counter); !ok {
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t.Fatal(iface)
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}
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})
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if i != 1 {
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t.Fatal(i)
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}
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}
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func TestRegistryGetOrRegisterWithLazyInstantiation(t *testing.T) {
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r := NewRegistry()
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// First metric wins with GetOrRegister
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_ = r.GetOrRegister("foo", NewCounter)
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m := r.GetOrRegister("foo", NewGauge)
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if _, ok := m.(Counter); !ok {
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t.Fatal(m)
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}
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i := 0
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r.Each(func(name string, iface interface{}) {
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i++
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if name != "foo" {
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t.Fatal(name)
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}
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if _, ok := iface.(Counter); !ok {
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t.Fatal(iface)
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}
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})
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if i != 1 {
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t.Fatal(i)
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}
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}
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func TestRegistryUnregister(t *testing.T) {
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l := len(arbiter.meters)
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r := NewRegistry()
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r.Register("foo", NewCounter())
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r.Register("bar", NewMeter())
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r.Register("baz", NewTimer())
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if len(arbiter.meters) != l+2 {
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t.Errorf("arbiter.meters: %d != %d\n", l+2, len(arbiter.meters))
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}
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r.Unregister("foo")
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r.Unregister("bar")
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r.Unregister("baz")
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if len(arbiter.meters) != l {
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t.Errorf("arbiter.meters: %d != %d\n", l+2, len(arbiter.meters))
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}
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}
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func TestPrefixedChildRegistryGetOrRegister(t *testing.T) {
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r := NewRegistry()
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pr := NewPrefixedChildRegistry(r, "prefix.")
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_ = pr.GetOrRegister("foo", NewCounter())
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i := 0
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r.Each(func(name string, m interface{}) {
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i++
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if name != "prefix.foo" {
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t.Fatal(name)
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}
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})
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if i != 1 {
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t.Fatal(i)
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}
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}
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func TestPrefixedRegistryGetOrRegister(t *testing.T) {
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r := NewPrefixedRegistry("prefix.")
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_ = r.GetOrRegister("foo", NewCounter())
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i := 0
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r.Each(func(name string, m interface{}) {
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i++
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if name != "prefix.foo" {
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t.Fatal(name)
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}
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})
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if i != 1 {
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t.Fatal(i)
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}
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}
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func TestPrefixedRegistryRegister(t *testing.T) {
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r := NewPrefixedRegistry("prefix.")
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err := r.Register("foo", NewCounter())
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c := NewCounter()
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Register("bar", c)
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if err != nil {
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t.Fatal(err.Error())
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}
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i := 0
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r.Each(func(name string, m interface{}) {
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i++
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if name != "prefix.foo" {
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t.Fatal(name)
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}
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})
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if i != 1 {
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t.Fatal(i)
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}
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}
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func TestPrefixedRegistryUnregister(t *testing.T) {
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r := NewPrefixedRegistry("prefix.")
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_ = r.Register("foo", NewCounter())
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i := 0
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r.Each(func(name string, m interface{}) {
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i++
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if name != "prefix.foo" {
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t.Fatal(name)
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}
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})
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if i != 1 {
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t.Fatal(i)
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}
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r.Unregister("foo")
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i = 0
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r.Each(func(name string, m interface{}) {
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i++
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})
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if i != 0 {
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t.Fatal(i)
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}
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}
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func TestPrefixedRegistryGet(t *testing.T) {
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pr := NewPrefixedRegistry("prefix.")
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name := "foo"
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pr.Register(name, NewCounter())
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fooCounter := pr.Get(name)
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if fooCounter == nil {
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t.Fatal(name)
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}
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}
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func TestPrefixedChildRegistryGet(t *testing.T) {
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r := NewRegistry()
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pr := NewPrefixedChildRegistry(r, "prefix.")
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name := "foo"
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pr.Register(name, NewCounter())
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fooCounter := pr.Get(name)
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if fooCounter == nil {
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t.Fatal(name)
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}
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}
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func TestChildPrefixedRegistryRegister(t *testing.T) {
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r := NewPrefixedChildRegistry(DefaultRegistry, "prefix.")
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err := r.Register("foo", NewCounter())
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c := NewCounter()
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Register("bar", c)
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if err != nil {
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t.Fatal(err.Error())
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}
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i := 0
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r.Each(func(name string, m interface{}) {
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i++
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if name != "prefix.foo" {
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t.Fatal(name)
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}
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})
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if i != 1 {
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t.Fatal(i)
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}
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}
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func TestChildPrefixedRegistryOfChildRegister(t *testing.T) {
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r := NewPrefixedChildRegistry(NewRegistry(), "prefix.")
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r2 := NewPrefixedChildRegistry(r, "prefix2.")
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err := r.Register("foo2", NewCounter())
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if err != nil {
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t.Fatal(err.Error())
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}
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err = r2.Register("baz", NewCounter())
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c := NewCounter()
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Register("bars", c)
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i := 0
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r2.Each(func(name string, m interface{}) {
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i++
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if name != "prefix.prefix2.baz" {
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//t.Fatal(name)
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}
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})
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if i != 1 {
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t.Fatal(i)
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}
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}
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func TestWalkRegistries(t *testing.T) {
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r := NewPrefixedChildRegistry(NewRegistry(), "prefix.")
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r2 := NewPrefixedChildRegistry(r, "prefix2.")
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err := r.Register("foo2", NewCounter())
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if err != nil {
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t.Fatal(err.Error())
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}
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err = r2.Register("baz", NewCounter())
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c := NewCounter()
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Register("bars", c)
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_, prefix := findPrefix(r2, "")
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if "prefix.prefix2." != prefix {
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t.Fatal(prefix)
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}
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}
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