mirror of
https://github.com/etcd-io/etcd.git
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49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
/*
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Copyright 2014 CoreOS, Inc.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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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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// TestMetrics tests the basic usage of metrics.
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func TestMetrics(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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