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116 lines
3.0 KiB
116 lines
3.0 KiB
/*
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Copyright The Helm Authors.
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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 logging
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import (
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"bytes"
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"log/slog"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestLogHolder_Logger(t *testing.T) {
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t.Run("should return new logger with a then set handler", func(t *testing.T) {
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holder := &LogHolder{}
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buf := &bytes.Buffer{}
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handler := slog.NewTextHandler(buf, &slog.HandlerOptions{Level: slog.LevelDebug})
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holder.SetLogger(handler)
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logger := holder.Logger()
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assert.NotNil(t, logger)
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// Test that the logger works
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logger.Info("test message")
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assert.Contains(t, buf.String(), "test message")
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})
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t.Run("should return discard - defaultlogger when no handler is set", func(t *testing.T) {
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holder := &LogHolder{}
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logger := holder.Logger()
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assert.Equal(t, slog.Handler(slog.DiscardHandler), logger.Handler())
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})
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}
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func TestLogHolder_SetLogger(t *testing.T) {
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t.Run("sets logger with valid handler", func(t *testing.T) {
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holder := &LogHolder{}
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buf := &bytes.Buffer{}
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handler := slog.NewTextHandler(buf, &slog.HandlerOptions{Level: slog.LevelDebug})
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holder.SetLogger(handler)
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logger := holder.Logger()
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assert.NotNil(t, logger)
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// Compare the handler directly
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assert.Equal(t, handler, logger.Handler())
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})
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t.Run("sets discard logger with nil handler", func(t *testing.T) {
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holder := &LogHolder{}
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holder.SetLogger(nil)
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logger := holder.Logger()
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assert.NotNil(t, logger)
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assert.Equal(t, slog.Handler(slog.DiscardHandler), logger.Handler())
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})
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t.Run("can replace existing logger", func(t *testing.T) {
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holder := &LogHolder{}
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// Set first logger
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buf1 := &bytes.Buffer{}
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handler1 := slog.NewTextHandler(buf1, &slog.HandlerOptions{Level: slog.LevelDebug})
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holder.SetLogger(handler1)
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logger1 := holder.Logger()
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assert.Equal(t, handler1, logger1.Handler())
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// Replace with second logger
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buf2 := &bytes.Buffer{}
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handler2 := slog.NewTextHandler(buf2, &slog.HandlerOptions{Level: slog.LevelDebug})
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holder.SetLogger(handler2)
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logger2 := holder.Logger()
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assert.Equal(t, handler2, logger2.Handler())
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})
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}
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func TestLogHolder_InterfaceCompliance(t *testing.T) {
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t.Run("implements LoggerSetterGetter interface", func(_ *testing.T) {
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var _ LoggerSetterGetter = &LogHolder{}
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})
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t.Run("interface methods work correctly", func(t *testing.T) {
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var holder LoggerSetterGetter = &LogHolder{}
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buf := &bytes.Buffer{}
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handler := slog.NewTextHandler(buf, &slog.HandlerOptions{Level: slog.LevelDebug})
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holder.SetLogger(handler)
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logger := holder.Logger()
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assert.NotNil(t, logger)
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assert.Equal(t, handler, logger.Handler())
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})
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}
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