added echo filter for testing purposes

scraping.go

@@ -76,6 +76,11 @@ func processFilters(filters []Filter, web *Web, watch *Watch, debug bool, schedu
 				getCronDebugResult(filter)
 				continue
 			}
+			if filter.Type == "echo" {
+				getFilterResultEcho(filter)
+				processedMap[filter.ID] = true
+				continue
+			}
 			if len(filter.Parents) == 0 && !debug {
 				continue
 			}
@@ -221,6 +226,10 @@ func getFilterResult(filters []Filter, filter *Filter, watch *Watch, web *Web, d
 				}
 			}
 		}
+	case filter.Type == "echo":
+		{
+			getFilterResultEcho(filter)
+		}
 	default:
 		filter.log("getFilterResult called with filter.Type == '", filter.Type, "'")
 	}
@@ -895,3 +904,8 @@ func getFilterResultLua(filter *Filter) {
 		},
 	)
 }
+
+func getFilterResultEcho(filter *Filter) {
+	log.Println(filter.Var1)
+	filter.Results = append(filter.Results, filter.Var1)
+}

scraping_test.go

@@ -1235,3 +1235,23 @@ func TestFilterLuaLogs(t *testing.T) {
 		t.Errorf("Unexpected log message: '%s'", filter.Logs[0])
 	}
 }
+
+func TestEchoFilter(t *testing.T) {
+	helloWorld := "Hello World!"
+	filters := []Filter{
+		{
+			ID:   0,
+			Name: "Echo",
+			Type: "echo",
+			Var1: helloWorld,
+		},
+	}
+	filter1 := &filters[0]
+	connections := []FilterConnection{}
+	buildFilterTree(filters, connections)
+	processFilters(filters, nil, nil, false, nil)
+
+	if !reflect.DeepEqual(filter1.Results, []string{helloWorld}) {
+		t.Errorf("%s did not match %s", helloWorld, filter1.Results)
+	}
+}