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goplt/internal/logger/zap_logger.go
0x1d 0bfdb2c2d7
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Add comprehensive test suite for current implementation
- Add tests for internal/config package (90.9% coverage)
  - Test all viperConfig getter methods
  - Test LoadConfig with default and environment-specific configs
  - Test error handling for missing config files

- Add tests for internal/di package (88.1% coverage)
  - Test Container lifecycle (NewContainer, Start, Stop)
  - Test providers (ProvideConfig, ProvideLogger, CoreModule)
  - Test lifecycle hooks registration
  - Include mock implementations for testing

- Add tests for internal/logger package (96.5% coverage)
  - Test zapLogger with JSON and console formats
  - Test all logging levels and methods
  - Test middleware (RequestIDMiddleware, LoggingMiddleware)
  - Test context helper functions
  - Include benchmark tests

- Update CI workflow to skip tests when no test files exist
  - Add conditional test execution based on test file presence
  - Add timeout for test execution
  - Verify build when no tests are present

All tests follow Go best practices with table-driven patterns,
parallel execution where safe, and comprehensive coverage.
2025-11-05 12:45:37 +01:00

134 lines
3.4 KiB
Go

package logger
import (
"context"
"git.dcentral.systems/toolz/goplt/pkg/logger"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
const (
// Context keys for extracting values from context
requestIDKey = "request_id"
userIDKey = "user_id"
)
// zapLogger implements the Logger interface using zap.
type zapLogger struct {
zap *zap.Logger
}
// NewZapLogger creates a new zap-based logger.
// The format parameter determines the output format:
// - "json": JSON format (production)
// - "console": Human-readable format (development)
func NewZapLogger(level string, format string) (logger.Logger, error) {
var zapConfig zap.Config
var zapLevel zapcore.Level
// Parse log level
if err := zapLevel.UnmarshalText([]byte(level)); err != nil {
zapLevel = zapcore.InfoLevel
}
// Configure based on format
if format == "json" {
zapConfig = zap.NewProductionConfig()
} else {
zapConfig = zap.NewDevelopmentConfig()
}
zapConfig.Level = zap.NewAtomicLevelAt(zapLevel)
zapConfig.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
z, err := zapConfig.Build()
if err != nil {
return nil, err
}
return &zapLogger{zap: z}, nil
}
// Debug logs a message at debug level.
func (zl *zapLogger) Debug(msg string, fields ...logger.Field) {
zl.zap.Debug(msg, convertFields(fields)...)
}
// Info logs a message at info level.
func (zl *zapLogger) Info(msg string, fields ...logger.Field) {
zl.zap.Info(msg, convertFields(fields)...)
}
// Warn logs a message at warning level.
func (zl *zapLogger) Warn(msg string, fields ...logger.Field) {
zl.zap.Warn(msg, convertFields(fields)...)
}
// Error logs a message at error level.
func (zl *zapLogger) Error(msg string, fields ...logger.Field) {
zl.zap.Error(msg, convertFields(fields)...)
}
// With creates a child logger with the specified fields.
func (zl *zapLogger) With(fields ...logger.Field) logger.Logger {
return &zapLogger{
zap: zl.zap.With(convertFields(fields)...),
}
}
// WithContext creates a child logger with fields extracted from context.
func (zl *zapLogger) WithContext(ctx context.Context) logger.Logger {
fields := make([]logger.Field, 0)
// Extract request ID from context
if requestID, ok := ctx.Value(requestIDKey).(string); ok && requestID != "" {
fields = append(fields, zap.String("request_id", requestID))
}
// Extract user ID from context
if userID, ok := ctx.Value(userIDKey).(string); ok && userID != "" {
fields = append(fields, zap.String("user_id", userID))
}
if len(fields) == 0 {
return zl
}
return &zapLogger{
zap: zl.zap.With(convertFields(fields)...),
}
}
// convertFields converts logger.Field to zap.Field.
// Since Field is an alias for zap.Field, we can cast directly.
func convertFields(fields []logger.Field) []zap.Field {
if len(fields) == 0 {
return nil
}
zapFields := make([]zap.Field, 0, len(fields))
for _, f := range fields {
// Type assert to zap.Field
if zf, ok := f.(zap.Field); ok {
zapFields = append(zapFields, zf)
} else {
// Fallback: convert to Any field
zapFields = append(zapFields, zap.Any("field", f))
}
}
return zapFields
}
// RequestIDKey returns the context key for request ID.
// This is exported so modules can use it to set request IDs in context.
func RequestIDKey() string {
return requestIDKey
}
// UserIDKey returns the context key for user ID.
// This is exported so modules can use it to set user IDs in context.
func UserIDKey() string {
return userIDKey
}