convert repo plugin to golang

plugins/common/vendor/github.com/codegangsta/inject/inject_test.go

@@ -0,0 +1,159 @@
+package inject_test
+
+import (
+	"fmt"
+	"github.com/codegangsta/inject"
+	"reflect"
+	"testing"
+)
+
+type SpecialString interface {
+}
+
+type TestStruct struct {
+	Dep1 string        `inject:"t" json:"-"`
+	Dep2 SpecialString `inject`
+	Dep3 string
+}
+
+type Greeter struct {
+	Name string
+}
+
+func (g *Greeter) String() string {
+	return "Hello, My name is" + g.Name
+}
+
+/* Test Helpers */
+func expect(t *testing.T, a interface{}, b interface{}) {
+	if a != b {
+		t.Errorf("Expected %v (type %v) - Got %v (type %v)", b, reflect.TypeOf(b), a, reflect.TypeOf(a))
+	}
+}
+
+func refute(t *testing.T, a interface{}, b interface{}) {
+	if a == b {
+		t.Errorf("Did not expect %v (type %v) - Got %v (type %v)", b, reflect.TypeOf(b), a, reflect.TypeOf(a))
+	}
+}
+
+func Test_InjectorInvoke(t *testing.T) {
+	injector := inject.New()
+	expect(t, injector == nil, false)
+
+	dep := "some dependency"
+	injector.Map(dep)
+	dep2 := "another dep"
+	injector.MapTo(dep2, (*SpecialString)(nil))
+	dep3 := make(chan *SpecialString)
+	dep4 := make(chan *SpecialString)
+	typRecv := reflect.ChanOf(reflect.RecvDir, reflect.TypeOf(dep3).Elem())
+	typSend := reflect.ChanOf(reflect.SendDir, reflect.TypeOf(dep4).Elem())
+	injector.Set(typRecv, reflect.ValueOf(dep3))
+	injector.Set(typSend, reflect.ValueOf(dep4))
+
+	_, err := injector.Invoke(func(d1 string, d2 SpecialString, d3 <-chan *SpecialString, d4 chan<- *SpecialString) {
+		expect(t, d1, dep)
+		expect(t, d2, dep2)
+		expect(t, reflect.TypeOf(d3).Elem(), reflect.TypeOf(dep3).Elem())
+		expect(t, reflect.TypeOf(d4).Elem(), reflect.TypeOf(dep4).Elem())
+		expect(t, reflect.TypeOf(d3).ChanDir(), reflect.RecvDir)
+		expect(t, reflect.TypeOf(d4).ChanDir(), reflect.SendDir)
+	})
+
+	expect(t, err, nil)
+}
+
+func Test_InjectorInvokeReturnValues(t *testing.T) {
+	injector := inject.New()
+	expect(t, injector == nil, false)
+
+	dep := "some dependency"
+	injector.Map(dep)
+	dep2 := "another dep"
+	injector.MapTo(dep2, (*SpecialString)(nil))
+
+	result, err := injector.Invoke(func(d1 string, d2 SpecialString) string {
+		expect(t, d1, dep)
+		expect(t, d2, dep2)
+		return "Hello world"
+	})
+
+	expect(t, result[0].String(), "Hello world")
+	expect(t, err, nil)
+}
+
+func Test_InjectorApply(t *testing.T) {
+	injector := inject.New()
+
+	injector.Map("a dep").MapTo("another dep", (*SpecialString)(nil))
+
+	s := TestStruct{}
+	err := injector.Apply(&s)
+	expect(t, err, nil)
+
+	expect(t, s.Dep1, "a dep")
+	expect(t, s.Dep2, "another dep")
+	expect(t, s.Dep3, "")
+}
+
+func Test_InterfaceOf(t *testing.T) {
+	iType := inject.InterfaceOf((*SpecialString)(nil))
+	expect(t, iType.Kind(), reflect.Interface)
+
+	iType = inject.InterfaceOf((**SpecialString)(nil))
+	expect(t, iType.Kind(), reflect.Interface)
+
+	// Expecting nil
+	defer func() {
+		rec := recover()
+		refute(t, rec, nil)
+	}()
+	iType = inject.InterfaceOf((*testing.T)(nil))
+}
+
+func Test_InjectorSet(t *testing.T) {
+	injector := inject.New()
+	typ := reflect.TypeOf("string")
+	typSend := reflect.ChanOf(reflect.SendDir, typ)
+	typRecv := reflect.ChanOf(reflect.RecvDir, typ)
+
+	// instantiating unidirectional channels is not possible using reflect
+	// http://golang.org/src/pkg/reflect/value.go?s=60463:60504#L2064
+	chanRecv := reflect.MakeChan(reflect.ChanOf(reflect.BothDir, typ), 0)
+	chanSend := reflect.MakeChan(reflect.ChanOf(reflect.BothDir, typ), 0)
+
+	injector.Set(typSend, chanSend)
+	injector.Set(typRecv, chanRecv)
+
+	expect(t, injector.Get(typSend).IsValid(), true)
+	expect(t, injector.Get(typRecv).IsValid(), true)
+	expect(t, injector.Get(chanSend.Type()).IsValid(), false)
+}
+
+func Test_InjectorGet(t *testing.T) {
+	injector := inject.New()
+
+	injector.Map("some dependency")
+
+	expect(t, injector.Get(reflect.TypeOf("string")).IsValid(), true)
+	expect(t, injector.Get(reflect.TypeOf(11)).IsValid(), false)
+}
+
+func Test_InjectorSetParent(t *testing.T) {
+	injector := inject.New()
+	injector.MapTo("another dep", (*SpecialString)(nil))
+
+	injector2 := inject.New()
+	injector2.SetParent(injector)
+
+	expect(t, injector2.Get(inject.InterfaceOf((*SpecialString)(nil))).IsValid(), true)
+}
+
+func TestInjectImplementors(t *testing.T) {
+	injector := inject.New()
+	g := &Greeter{"Jeremy"}
+	injector.Map(g)
+
+	expect(t, injector.Get(inject.InterfaceOf((*fmt.Stringer)(nil))).IsValid(), true)
+}