change FromContext() to always return a logger

context.go

@@ -10,8 +10,10 @@ func NewContext(ctx context.Context, v Interface) context.Context {
 	return context.WithValue(ctx, logKey{}, v)
 }
 
-// FromContext returns logger from context.
-func FromContext(ctx context.Context) (Interface, bool) {
-	v, ok := ctx.Value(logKey{}).(Interface)
-	return v, ok
+// FromContext returns the logger from context, or log.Log.
+func FromContext(ctx context.Context) Interface {
+	if v, ok := ctx.Value(logKey{}).(Interface); ok {
+		return v
+	}
+	return Log
 }

context_test.go

@@ -12,13 +12,12 @@ import (
 func TestFromContext(t *testing.T) {
 	ctx := context.Background()
 
-	logger, ok := log.FromContext(ctx)
-	assert.False(t, ok)
-	assert.Nil(t, logger)
+	logger := log.FromContext(ctx)
+	assert.Equal(t, log.Log, logger)
 
-	ctx = log.NewContext(ctx, log.Log)
+	logs := log.WithField("foo", "bar")
+	ctx = log.NewContext(ctx, logs)
 
-	logger, ok = log.FromContext(ctx)
-	assert.True(t, ok)
-	assert.Equal(t, log.Log, logger)
+	logger = log.FromContext(ctx)
+	assert.Equal(t, logs, logger)
 }