Fix vararg "_" in interface is mocked incorrectly

tvdw-mongodb · tvdw-mongodb · commit 12dbe2dc4849 · 2025-07-01T16:28:29.000-04:00
Fixes #265
diff --git a/mockgen/mockgen.go b/mockgen/mockgen.go
@@ -814,7 +814,7 @@ func (g *generator) getArgNames(m *model.Method, in bool) []string {
 	if m.Variadic != nil && in {
 		name := m.Variadic.Name
 
-		if name == "" || g.nameExistsAsPackage(name) {
+		if name == "" || name == "_" || g.nameExistsAsPackage(name) {
 			name = fmt.Sprintf("arg%d", len(params))
 		}
 		argNames = append(argNames, name)

Original file line number	Diff line number	Diff line change
`@@ -814,7 +814,7 @@ func (g generator) getArgNames(m model.Method, in bool) []string {`
`814`	`814`	`if m.Variadic != nil && in {`
`815`	`815`	`name := m.Variadic.Name`
`816`	`816`
`817`		`- if name == "" \|\| g.nameExistsAsPackage(name) {`
	`817`	`+ if name == "" \|\| name == "_" \|\| g.nameExistsAsPackage(name) {`
`818`	`818`	`name = fmt.Sprintf("arg%d", len(params))`
`819`	`819`	`}`
`820`	`820`	`argNames = append(argNames, name)`