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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 zapcore_test
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
. "go.uber.org/zap/zapcore"
"go.uber.org/zap/zaptest/observer"
)
func TestIncreaseLevel(t *testing.T) {
tests := []struct {
coreLevel Level
increaseLevel Level
wantErr bool
with []Field
}{
{
coreLevel: InfoLevel,
increaseLevel: DebugLevel,
wantErr: true,
},
{
coreLevel: InfoLevel,
increaseLevel: InfoLevel,
},
{
coreLevel: InfoLevel,
increaseLevel: ErrorLevel,
},
{
coreLevel: InfoLevel,
increaseLevel: ErrorLevel,
with: []Field{zap.String("k", "v")},
},
{
coreLevel: ErrorLevel,
increaseLevel: DebugLevel,
wantErr: true,
},
{
coreLevel: ErrorLevel,
increaseLevel: InfoLevel,
wantErr: true,
},
{
coreLevel: ErrorLevel,
increaseLevel: WarnLevel,
wantErr: true,
},
{
coreLevel: ErrorLevel,
increaseLevel: PanicLevel,
},
}
for _, tt := range tests {
msg := fmt.Sprintf("increase %v to %v", tt.coreLevel, tt.increaseLevel)
t.Run(msg, func(t *testing.T) {
logger, logs := observer.New(tt.coreLevel)
// sanity check
require.Equal(t, tt.coreLevel, LevelOf(logger), "Original logger has the wrong level")
filteredLogger, err := NewIncreaseLevelCore(logger, tt.increaseLevel)
if tt.wantErr {
require.Error(t, err)
assert.Contains(t, err.Error(), "invalid increase level")
return
}
if len(tt.with) > 0 {
filteredLogger = filteredLogger.With(tt.with)
}
require.NoError(t, err)
t.Run("LevelOf", func(t *testing.T) {
assert.Equal(t, tt.increaseLevel, LevelOf(filteredLogger), "Filtered logger has the wrong level")
})
for l := DebugLevel; l <= FatalLevel; l++ {
enabled := filteredLogger.Enabled(l)
entry := Entry{Level: l}
ce := filteredLogger.Check(entry, nil)
ce.Write()
entries := logs.TakeAll()
if l >= tt.increaseLevel {
assert.True(t, enabled, "expect %v to be enabled", l)
assert.NotNil(t, ce, "expect non-nil Check")
assert.NotEmpty(t, entries, "Expect log to be written")
} else {
assert.False(t, enabled, "expect %v to be disabled", l)
assert.Nil(t, ce, "expect nil Check")
assert.Empty(t, entries, "No logs should have been written")
}
// Write should always log the entry as per the Core interface
require.NoError(t, filteredLogger.Write(entry, nil), "Write failed")
require.NoError(t, filteredLogger.Sync(), "Sync failed")
assert.NotEmpty(t, logs.TakeAll(), "Write should always log")
}
})
}
}
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