mcp: add comment about nil write in unit tests

fgrosse · fgrosse · commit 415ff5665186 · 2025-10-06T16:46:35.000+02:00
diff --git a/mcp/transport.go b/mcp/transport.go
@@ -303,7 +303,7 @@ func (r rwc) Close() error {
 	rcErr := r.rc.Close()
 
 	var wcErr error
-	if r.wc != nil {
+	if r.wc != nil { // we only allow a nil writer in unit tests
 		wcErr = r.wc.Close()
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -303,7 +303,7 @@ func (r rwc) Close() error {`
`303`	`303`	`rcErr := r.rc.Close()`
`304`	`304`
`305`	`305`	`var wcErr error`
`306`		`- if r.wc != nil {`
	`306`	`+ if r.wc != nil { // we only allow a nil writer in unit tests`
`307`	`307`	`wcErr = r.wc.Close()`
`308`	`308`	`}`
`309`	`309`