52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
// Copyright 2017 The etcd Authors
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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 clientv3
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import (
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"bytes"
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"io/ioutil"
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"strings"
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"testing"
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"google.golang.org/grpc/grpclog"
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)
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func TestLogger(t *testing.T) {
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buf := new(bytes.Buffer)
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l := NewLogger(grpclog.NewLoggerV2WithVerbosity(buf, buf, buf, 10))
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l.Infof("hello world!")
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if !strings.Contains(buf.String(), "hello world!") {
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t.Fatalf("expected 'hello world!', got %q", buf.String())
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}
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buf.Reset()
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l.Lvl(10).Infof("Level 10")
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l.Lvl(30).Infof("Level 30")
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if !strings.Contains(buf.String(), "Level 10") {
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t.Fatalf("expected 'Level 10', got %q", buf.String())
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}
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if strings.Contains(buf.String(), "Level 30") {
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t.Fatalf("unexpected 'Level 30', got %q", buf.String())
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}
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buf.Reset()
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l = NewLogger(grpclog.NewLoggerV2(ioutil.Discard, ioutil.Discard, ioutil.Discard))
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l.Infof("ignore this")
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if len(buf.Bytes()) > 0 {
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t.Fatalf("unexpected logs %q", buf.String())
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}
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}
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