Small assertion helper for testing in go

tutils.go

package tutils

import (
	"path"
	"reflect"
	"runtime"
	"testing"
)

func AssertNotNil(t *testing.T, obj interface{}) {
	pc, file, line, _ := runtime.Caller(1)
	f := runtime.FuncForPC(pc)

	if asNil(obj) {
		t.Fatalf("%s:%d: %s\n%s was nil", path.Base(file), line, path.Base(f.Name()), obj)
	}
}

func asNil(obj interface{}) bool {
	return obj == nil || (reflect.ValueOf(obj).Kind() == reflect.Ptr && reflect.ValueOf(obj).IsNil())
}

func AssertNil(t *testing.T, obj interface{}) {
	pc, file, line, _ := runtime.Caller(1)
	f := runtime.FuncForPC(pc)

	if !asNil(obj) {
		t.Fatalf("%s:%d: %s\nexpected nil, got %s", path.Base(file), line, path.Base(f.Name()), obj)
	}
}

func AssertEqual(t *testing.T, a interface{}, b interface{}) {
	if reflect.DeepEqual(a, b) == false {
		pc, file, line, _ := runtime.Caller(1)
		f := runtime.FuncForPC(pc)
		t.Fatalf("%s:%d: %s\n%+v\n not equal to\n%+v", path.Base(file), line, path.Base(f.Name()), a, b)
	}
}

func AssertNotEqual(t *testing.T, a interface{}, b interface{}) {
	if reflect.DeepEqual(a, b) == true {
		pc, file, line, _ := runtime.Caller(1)
		f := runtime.FuncForPC(pc)
		t.Fatalf("%s:%d: %s\n%+v\n equal to\n%+v", path.Base(file), line, path.Base(f.Name()), a, b)
	}
}