Fluent Assertions (No Supports)

assertgo.go

package assertgo

/*
 * Copyright (C) 2019 azure
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

import (
	"encoding/json"
	"fmt"
	"reflect"
)

type Assertion struct {
	actual *interface{}
}

func Shout(expected interface{}, actual interface{}) error {
	ex, e := json.Marshal(expected)
	if e != nil {
		return e
	}
	ac, e := json.Marshal(actual)
	if e != nil {
		return e
	}
	msg := fmt.Sprintf("Test Failed. expected: %s, actual: %s", ex, ac)
	for _, p := range []func(string) error{func(it string) error { return fmt.Errorf(it) }, func(it string) error { _, err := fmt.Printf(it); return err }} {
		p(msg)
	}
	return nil
}

func AssertThat(actual interface{}) *Assertion {
	return &Assertion{&actual}
}

func (this *Assertion) IsEqual(expected interface{}) (bool, error) {
	r := reflect.DeepEqual(expected, *(this.actual))
	if !r {
		return false, Shout(expected, *(this.actual))
	}
	return r, nil
}

func (this *Assertion) IsSame(expected interface{}) (bool, error) {
	r := reflect.DeepEqual(&expected, this.actual)
	if !r {
		return false, Shout(&expected, this.actual)
	}
	return r, nil
}