container_test.go

package godi

import (
	"testing"
)

func TestContainer_New(t *testing.T) {
	c := Container{}
	c.New()

	if &c == nil {
		t.Fatalf("container is not created; c = %v", c)
	}

	if &GlobalContainer == nil {
		t.Fatalf("global container is not created; c = %v", c)
	}

	if len(c.services) != 0 {
		t.Fatalf("the list of services is not empty; c.services = %v", c.services)
	}
}

func TestContainer_ConstructService(t *testing.T) {
	type A struct {
		Data string
	}
	type B struct {
		Num int
	}
	type C struct {
		A A `godi:"autowire"`
		B B `godi:"autowire"`
	}
	type D struct {
		C C `godi:"autowire"`
	}

	c := Container{}
	c.New()
	c.RegisterService(CustomDriver{Name: "test"})
	c.RegisterService(A{Data: "test"})
	c.RegisterService(B{Num: 1})
	c.RegisterService(C{})

	service, err := c.ConstructService(Repository{})

	if err != nil {
		t.Fatalf("error is not empty; err = %v", err)
	}

	if &service == nil {
		t.Fatal("service is not created")
	}

	if service.(Repository).Driver.Name != "test" {
		t.Fatal("inner service is not created")
	}

	service2, err := c.ConstructService(D{})

	if err != nil {
		t.Fatalf("error is not empty; err = %v", err)
	}
	if &service2 == nil {
		t.Fatal("service is not created")
	}
	if service2.(D).C.A.Data != "test" {
		t.Fatal("inner service is not created")
	}
	if service2.(D).C.B.Num != 1 {
		t.Fatal("inner service is not created")
	}
}