Add new expressions to allowed types (#863)

.mockery.yaml

@@ -94,6 +94,8 @@ packages:
     config: *inpackage_config
   github.com/vektra/mockery/v2/pkg/fixtures/index_list_expr:
     config: *inpackage_config
+  github.com/vektra/mockery/v2/pkg/fixtures/iface_new_type:
+    config: *inpackage_config
   github.com/vektra/mockery/v2/pkg/fixtures/issue845:
     config:
       <<: *inpackage_config

pkg/fixtures/iface_new_type/iface_new_type_test.go

@@ -0,0 +1,36 @@
+package iface_new_type_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"github.com/vektra/mockery/v2/pkg"
+)
+
+func TestParsing(t *testing.T) {
+	parser := pkg.NewParser(nil)
+	ctx := context.Background()
+	require.NoError(t, parser.ParsePackages(ctx, []string{"github.com/vektra/mockery/v2/pkg/fixtures/iface_new_type"}))
+	require.NoError(t, parser.Load(ctx))
+
+	for _, ifaceName := range []string{"Interface1", "Interface2", "Interface3"} {
+		iface, err := parser.Find(ifaceName)
+		require.NoError(t, err)
+		require.NotNil(t, iface)
+	}
+}
+
+func TestUsage(t *testing.T) {
+	interface1 := NewMockInterface1(t)
+	interface1.EXPECT().Method1().Return()
+	interface1.Method1()
+
+	interface2 := NewMockInterface2(t)
+	interface2.EXPECT().Method1().Return()
+	interface2.Method1()
+
+	interface3 := NewMockInterface3(t)
+	interface3.EXPECT().Method1().Return()
+	interface3.Method1()
+}

pkg/fixtures/iface_new_type/interface.go

@@ -0,0 +1,12 @@
+package iface_new_type
+
+import "github.com/vektra/mockery/v2/pkg/fixtures/iface_new_type/subpkg"
+
+type Interface1 interface {
+	Method1()
+}
+
+type (
+	Interface2 Interface1
+	Interface3 subpkg.SubPkgInterface
+)

pkg/fixtures/iface_new_type/subpkg/interface.go

@@ -0,0 +1,5 @@
+package subpkg
+
+type SubPkgInterface interface {
+	Method1()
+}

pkg/parse.go

@@ -380,7 +380,7 @@ func (nv *NodeVisitor) Visit(node ast.Node) ast.Visitor {
 				break
 			}
 			nv.add(nv.ctx, n)
-		case *ast.InterfaceType, *ast.IndexExpr, *ast.IndexListExpr:
+		case *ast.InterfaceType, *ast.IndexExpr, *ast.IndexListExpr, *ast.SelectorExpr, *ast.Ident:
 			nv.add(nv.ctx, n)
 		default:
 			log.Debug().Msg("found node with unacceptable type for mocking. Rejecting.")