PR FIXUP - Add Explain test stuff

tests/integration/explain.go

@@ -56,6 +56,7 @@ var (
 		"updateNode":    {},
 		"valuesNode":    {},
 		"viewNode":      {},
+		"lensNode":      {},
 	}
 )
 

tests/integration/explain/debug/with_view_transform_test.go

@@ -0,0 +1,87 @@
+// Copyright 2024 Democratized Data Foundation
+//
+// Use of this software is governed by the Business Source License
+// included in the file licenses/BSL.txt.
+//
+// As of the Change Date specified in that file, in accordance with
+// the Business Source License, use of this software will be governed
+// by the Apache License, Version 2.0, included in the file
+// licenses/APL.txt.
+
+package test_explain_debug
+
+import (
+	"testing"
+
+	"github.com/lens-vm/lens/host-go/config/model"
+	testUtils "github.com/sourcenetwork/defradb/tests/integration"
+	"github.com/sourcenetwork/defradb/tests/lenses"
+	"github.com/sourcenetwork/immutable"
+)
+
+var transformViewPattern = dataMap{
+	"explain": dataMap{
+		"selectTopNode": dataMap{
+			"selectNode": dataMap{
+				"viewNode": dataMap{
+					"lensNode": dataMap{
+						"selectTopNode": dataMap{
+							"selectNode": dataMap{
+								"scanNode": dataMap{},
+							},
+						},
+					},
+				},
+			},
+		},
+	},
+}
+
+func TestDebugExplainRequestWithViewWithTransform(t *testing.T) {
+	test := testUtils.TestCase{
+
+		Description: "Explain (debug) request with view with transform",
+		Actions: []any{
+			testUtils.SchemaUpdate{
+				Schema: `
+					type User {
+						name: String
+					}
+				`,
+			},
+			testUtils.CreateView{
+				Query: `
+					User {
+						name
+					}
+				`,
+				SDL: `
+					type UserView {
+						fullName: String
+					}
+				`,
+				Transform: immutable.Some(model.Lens{
+					Lenses: []model.LensModule{
+						{
+							Path: lenses.CopyModulePath,
+							Arguments: map[string]any{
+								"src": "name",
+								"dst": "fullName",
+							},
+						},
+					},
+				}),
+			},
+			testUtils.ExplainRequest{
+				Request: `query @explain(type: debug) {
+					UserView {
+						fullName
+					}
+				}`,
+				ExpectedPatterns: []dataMap{transformViewPattern},
+			},
+		},
+	}
+
+	testUtils.ExecuteTestCase(t, test)
+}