goflow/plugins_test.go at parser · dahvid/goflow · GitHub

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package goflow

import (
	"io/ioutil"
	"log"
	"os"
	"path"
	"reflect"
	"testing"
)

func TestBadParams(t *testing.T) {
	log.SetOutput(ioutil.Discard)
	paths := []string{"boogie"}
	_, err := LoadComponents(paths, NewFactory())
	if err != nil {
		t.Error("LoadComponenets succeeded with bad parameters")
	}
	paths = []string{"/usr/lib", "/lib"}
	_, err = LoadComponents(paths, NewFactory())
	if err != nil {
		t.Error("LoadComponenets succeeded with bad parameters")
	}
}

func createFactory(t *testing.T) *Factory {
	testPlugs := path.Join(os.Getenv("GOPATH"), "bin")
	paths := []string{testPlugs}
	factory := NewFactory()
	plugs, err := LoadComponents(paths, factory)
	if err != nil {
		t.Error("Failed loading compononents in ./test_plugins", err)
	}
	if len(plugs) == 0 {
		t.Error("No plugins found in directory", testPlugs)
	}
	//fmt.Println("Opened plugs", plugs)
	return factory
}

func TestOpening(t *testing.T) {
	factory := createFactory(t)
	if factory.Size() != 3 {
		t.Error("Wrong number of plugins in factory")
	}
	any, err := factory.Create("Plug1")
	if err != nil {
		t.Error("Failed to create object Plug1", err)
	}
	plug1 := any.(PlugIn)
	expected := make(map[string]interface{})
	expected["inputs"] = [5]int{1, 2, 3, 4, 5}
	plug1.SetParams(expected)
	recieved := plug1.GetParams()

	if !reflect.DeepEqual(recieved, expected) {
		t.Error("Recieved bad meta data expected", expected, "got", recieved)
	}
	//fmt.Println(plug1.Info())
}

var testJSON = `{
	"properties": {
		"name": "testJSON"
	},
	"processes": {
		"gen1": {
			"component": "NGen",
			"Parameters" : {
				"inputs" : [1,2,3,4,5,6,7,8,9,10]
			}
		},
		"gen2": {
			"component": "NGen",
			"Parameters" : {
				"inputs" : [10,20,30,40,50,60,70,80,90,100]
			}
		},
		"adder": {
			"component": "Adder"
		}
	},
	"connections": [
		{
			"tgt": {
				"process": "gen1",
				"port": "Init"
			}
		},
		{
			"tgt": {
				"process": "gen2",
				"port": "Init"
			}
		},
		{
			"src": {
				"process": "gen1",
				"port": "Out"
			},
			"tgt": {
				"process": "adder",
				"port": "Left"
			}
		},
		{
			"src": {
				"process": "gen2",
				"port": "Out"
			},
			"tgt": {
				"process": "adder",
				"port": "Right"
			}
		}
	],
	"exports": [
		{
			"private": "adder.Out",
			"public": "Out"
		}
	]
}`

//TestGraph something
func TestLoadGraph(t *testing.T) {
	factory := createFactory(t)
	net := ParseJSON([]byte(testJSON), factory)
	if net == nil {
		t.Error("Could not load JSON")
	}

	out := make(chan int)

	net.SetOutPort("Out", out)

	Run(net)

	test := [10]int{11, 22, 33, 44, 55, 66, 77, 88, 99, 110}

	for _, v := range test {
		result := <-out
		if result != v {
			t.Errorf("Wrong results: expected %d got %d", v, result)
		}
	}
	//<-wait
}