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// Copyright (c) 2020 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package zap
import (
"bytes"
"testing"
"github.com/stretchr/testify/assert"
"go.uber.org/zap/zapcore"
"go.uber.org/zap/zaptest/observer"
)
func newLoggedEntry(level zapcore.Level, msg string, fields ...zapcore.Field) observer.LoggedEntry {
if len(fields) == 0 {
fields = []zapcore.Field{}
}
return observer.LoggedEntry{
Entry: zapcore.Entry{Level: level, Message: msg},
Context: fields,
}
}
func TestIncreaseLevelTryDecrease(t *testing.T) {
errorOut := &bytes.Buffer{}
opts := []Option{
ErrorOutput(zapcore.AddSync(errorOut)),
}
withLogger(t, WarnLevel, opts, func(logger *Logger, logs *observer.ObservedLogs) {
logger.Warn("original warn log")
debugLogger := logger.WithOptions(IncreaseLevel(DebugLevel))
debugLogger.Debug("ignored debug log")
debugLogger.Warn("increase level warn log")
debugLogger.Error("increase level error log")
assert.Equal(t, []observer.LoggedEntry{
newLoggedEntry(WarnLevel, "original warn log"),
newLoggedEntry(WarnLevel, "increase level warn log"),
newLoggedEntry(ErrorLevel, "increase level error log"),
}, logs.AllUntimed(), "unexpected logs")
assert.Equal(t,
"failed to IncreaseLevel: invalid increase level, as level \"info\" is allowed by increased level, but not by existing core\n",
errorOut.String(),
"unexpected error output",
)
})
}
func TestIncreaseLevel(t *testing.T) {
errorOut := &bytes.Buffer{}
opts := []Option{
ErrorOutput(zapcore.AddSync(errorOut)),
}
withLogger(t, WarnLevel, opts, func(logger *Logger, logs *observer.ObservedLogs) {
logger.Warn("original warn log")
errorLogger := logger.WithOptions(IncreaseLevel(ErrorLevel))
errorLogger.Debug("ignored debug log")
errorLogger.Warn("ignored warn log")
errorLogger.Error("increase level error log")
withFields := errorLogger.With(String("k", "v"))
withFields.Debug("ignored debug log with fields")
withFields.Warn("ignored warn log with fields")
withFields.Error("increase level error log with fields")
assert.Equal(t, []observer.LoggedEntry{
newLoggedEntry(WarnLevel, "original warn log"),
newLoggedEntry(ErrorLevel, "increase level error log"),
newLoggedEntry(ErrorLevel, "increase level error log with fields", String("k", "v")),
}, logs.AllUntimed(), "unexpected logs")
assert.Empty(t, errorOut.String(), "expect no error output")
})
}
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