add tests, export how to set log level and how to get the logger in a…

… context

usage.go

@@ -0,0 +1,15 @@
+package go_autumn_logging_zerolog
+
+import (
+	"context"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+)
+
+func SetLogLevel(level zerolog.Level) {
+	zerolog.SetGlobalLevel(level)
+}
+
+func AddLoggerToCtx(ctx context.Context) context.Context {
+	return log.Logger.WithContext(ctx)
+}

usage_test.go

@@ -0,0 +1,52 @@
+package go_autumn_logging_zerolog
+
+import (
+	"context"
+	"errors"
+	aulogging "github.com/StephanHCB/go-autumn-logging"
+	"testing"
+)
+
+func TestPlaintextLogging(t *testing.T) {
+	SetupPlaintextLogging()
+
+	ctx := AddLoggerToCtx(context.Background())
+	err := errors.New("some wonderful error")
+
+	aulogging.Logger.NoCtx().Error().Print("no context print error severity, no error object")
+	aulogging.Logger.Ctx(ctx).Error().WithErr(err).Print("with context print error severity, with error object")
+
+	aulogging.Logger.NoCtx().Warn().Print("no context print warn severity")
+	aulogging.Logger.Ctx(ctx).Warn().Print("with context print warn severity")
+
+	aulogging.Logger.NoCtx().Info().Print("no context print info severity")
+	aulogging.Logger.Ctx(ctx).Info().Print("with context print info severity")
+
+	aulogging.Logger.NoCtx().Debug().Print("no context print debug severity (should not show)")
+	aulogging.Logger.Ctx(ctx).Debug().Print("with context print debug severity (should not show)")
+
+	aulogging.Logger.NoCtx().Trace().Print("no context print trace severity (should not show)")
+	aulogging.Logger.Ctx(ctx).Trace().Print("with context print trace severity (should not show)")
+}
+
+func TestJsonLogging(t *testing.T) {
+	SetupJsonLogging("my-service")
+
+	ctx := AddLoggerToCtx(context.Background())
+	err := errors.New("some wonderful error")
+
+	aulogging.Logger.NoCtx().Error().Print("no context print error severity, no error object")
+	aulogging.Logger.Ctx(ctx).Error().WithErr(err).Print("with context print error severity, with error object")
+
+	aulogging.Logger.NoCtx().Warn().Print("no context print warn severity")
+	aulogging.Logger.Ctx(ctx).Warn().Print("with context print warn severity")
+
+	aulogging.Logger.NoCtx().Info().Print("no context print info severity")
+	aulogging.Logger.Ctx(ctx).Info().Print("with context print info severity")
+
+	aulogging.Logger.NoCtx().Debug().Print("no context print debug severity (should not show)")
+	aulogging.Logger.Ctx(ctx).Debug().Print("with context print debug severity (should not show)")
+
+	aulogging.Logger.NoCtx().Trace().Print("no context print trace severity (should not show)")
+	aulogging.Logger.Ctx(ctx).Trace().Print("with context print trace severity (should not show)")
+}