cash-code-test/commands/withdraw_test.go

package commands

import (
	"github.com/wahyd4/cash/domains"
	"testing"
)

func TestWithdrawCommand_Run(t *testing.T) {
	bank := domains.InitBank()
	bank.OpenAccount("Tom")
	account, _ := bank.AccountFromName("Tom")
	bank.DepositFor(account, 30)

	type fields struct {
		Account string
		Money   float64
	}
	type args struct {
		bank *domains.Bank
	}
	tests := []struct {
		name    string
		fields  fields
		args    args
		wantErr bool
	}{
		{
			"can withdraw some money",
			fields{
				Account: "Tom",
				Money:   20.10,
			},
			args{bank: bank},
			false,
		},
		{
			"cannot withdraw money due to does not have enough money",
			fields{
				Account: "Tom",
				Money:   50.0, //we only have 9.9 left
			},
			args{bank: bank},
			true,
		},
		{
			"cannot withdraw due to the user can't found",
			fields{
				Account: "NotExist",
				Money:   0.00,
			},
			args{bank: bank},
			true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			command := &WithdrawCommand{
				Account: tt.fields.Account,
				Money:   tt.fields.Money,
			}
			if err := command.Run(tt.args.bank); (err != nil) != tt.wantErr {
				t.Errorf("Run() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}