mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
// Copyright 2015 CoreOS, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package metrics
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import (
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"expvar"
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"testing"
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)
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// TestPublish tests function Publish and related creation functions.
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func TestPublish(t *testing.T) {
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defer reset()
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Publish("string", new(expvar.String))
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NewCounter("counter")
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NewGauge("gauge")
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NewMap("map")
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keys := []string{"counter", "gauge", "map", "string"}
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i := 0
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Do(func(kv expvar.KeyValue) {
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if kv.Key != keys[i] {
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t.Errorf("#%d: key = %s, want %s", i, kv.Key, keys[i])
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}
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i++
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})
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}
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func TestDuplicatePublish(t *testing.T) {
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defer reset()
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num1 := new(expvar.Int)
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num1.Set(10)
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Publish("number", num1)
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num2 := new(expvar.Int)
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num2.Set(20)
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Publish("number", num2)
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if g := Get("number").String(); g != "20" {
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t.Errorf("number str = %s, want %s", g, "20")
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}
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}
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// TestMap tests the basic usage of Map.
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func TestMap(t *testing.T) {
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m := &Map{Map: new(expvar.Map).Init()}
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c := m.NewCounter("number")
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c.Add()
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c.AddBy(10)
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if w := "11"; c.String() != w {
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t.Errorf("counter = %s, want %s", c, w)
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}
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g := m.NewGauge("price")
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g.Set(100)
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if w := "100"; g.String() != w {
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t.Errorf("gauge = %s, want %s", g, w)
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}
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if w := `{"number": 11, "price": 100}`; m.String() != w {
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t.Errorf("map = %s, want %s", m, w)
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}
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m.Delete("price")
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if w := `{"number": 11}`; m.String() != w {
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t.Errorf("map after deletion = %s, want %s", m, w)
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}
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}
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