emissary/internal/agent/controller/app/app_handler_test.go

package app

import (
	"context"
	"testing"

	"forge.cadoles.com/Cadoles/emissary/internal/agent/controller/app/spec"
	"forge.cadoles.com/arcad/edge/pkg/app"
	"github.com/pkg/errors"
)

func TestCreateResolveAppURL(t *testing.T) {
	specs := &spec.Spec{
		Apps: map[string]spec.AppEntry{
			"app.arcad.test": {
				Address: ":8080",
			},
			"app.arcad.foo": {
				Address: ":8081",
			},
			"app.arcad.bar": {
				Address: ":8082",
			},
		},
		Config: &spec.Config{
			AppURLResolving: &spec.AppURLResolving{
				IfaceMappings: map[string]string{
					"lo":              "http://{{ .DeviceIP }}:{{ .AppPort }}",
					"does-not-exists": "http://{{ .DeviceIP }}:{{ .AppPort }}",
				},
				DefaultURLTemplate: `http://{{ last ( splitList "." ( toString .Manifest.ID ) ) }}.arcad.local`,
			},
		},
	}

	resolveAppURL, err := createResolveAppURL(specs)
	if err != nil {
		t.Fatalf("%+v", errors.WithStack(err))
	}

	manifest := &app.Manifest{
		ID: "app.arcad.test",
	}

	ctx := context.Background()

	url, err := resolveAppURL(ctx, manifest, "127.0.0.2")
	if err != nil {
		t.Fatalf("%+v", errors.WithStack(err))
	}

	if e, g := "http://127.0.0.1:8080", url; e != g {
		t.Errorf("url: expected '%s', got '%s", e, g)
	}

	url, err = resolveAppURL(ctx, manifest, "")
	if err != nil {
		t.Fatalf("%+v", errors.WithStack(err))
	}

	if e, g := "http://test.arcad.local", url; e != g {
		t.Errorf("url: expected '%s', got '%s", e, g)
	}

	url, err = resolveAppURL(ctx, manifest, "192.168.0.100")
	if err != nil {
		t.Fatalf("%+v", errors.WithStack(err))
	}

	if e, g := "http://test.arcad.local", url; e != g {
		t.Errorf("url: expected '%s', got '%s", e, g)
	}
}