104 lines
1.9 KiB
Go
104 lines
1.9 KiB
Go
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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package plog
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import (
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"strconv"
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"testing"
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"github.com/stretchr/testify/require"
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"k8s.io/component-base/logs"
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"k8s.io/klog/v2"
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)
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func TestValidateAndSetLogLevelGlobally(t *testing.T) {
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originalLogLevel := getKlogLevel(t)
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tests := []struct {
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name string
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level LogLevel
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wantLevel klog.Level
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wantErr string
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}{
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{
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name: "unset",
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wantLevel: 0,
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},
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{
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name: "warning",
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level: LevelWarning,
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wantLevel: 0,
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},
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{
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name: "info",
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level: LevelInfo,
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wantLevel: 2,
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},
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{
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name: "debug",
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level: LevelDebug,
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wantLevel: 4,
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},
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{
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name: "trace",
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level: LevelTrace,
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wantLevel: 6,
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},
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{
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name: "all",
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level: LevelAll,
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wantLevel: 108,
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},
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{
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name: "invalid level",
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level: "panda",
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wantLevel: originalLogLevel,
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wantErr: errInvalidLogLevel.Error(),
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},
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}
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for _, tt := range tests {
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tt := tt // capture range variable
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t.Run(tt.name, func(t *testing.T) {
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defer func() {
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undoGlobalLogLevelChanges(t, originalLogLevel)
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}()
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err := ValidateAndSetLogLevelGlobally(tt.level)
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require.Equal(t, tt.wantErr, errString(err))
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require.Equal(t, tt.wantLevel, getKlogLevel(t))
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})
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}
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require.Equal(t, originalLogLevel, getKlogLevel(t))
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}
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func getKlogLevel(t *testing.T) klog.Level {
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t.Helper()
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// hack around klog not exposing a Get method
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for i := klog.Level(0); i < 256; i++ {
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if klog.V(i).Enabled() {
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continue
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}
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return i - 1
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}
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t.Fatal("unknown log level")
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return 0
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}
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func errString(err error) string {
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if err == nil {
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return ""
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}
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return err.Error()
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}
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func undoGlobalLogLevelChanges(t *testing.T, originalLogLevel klog.Level) {
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t.Helper()
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_, err := logs.GlogSetter(strconv.Itoa(int(originalLogLevel)))
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require.NoError(t, err)
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}
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