invoice_test.go

package main

import (
	"testing"
	"time"
)

func TestGetInvoiceNumber(t *testing.T) {
	dog := Dog{
		ID:   1,
		Name: "Fido",
	}

	date := time.Now()
	want := "FID" + date.Format("20060102")
	if got := getInvoiceNumber(dog); got != want {
		t.Errorf("getInvoiceNumber() = %q, want %q", got, want)
	}
}

func TestGetNextMonday(t *testing.T) {
	date := time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC)
	want := time.Date(2020, 1, 6, 0, 0, 0, 0, time.UTC)
	if got := nextMonday(date); got != want {
		t.Errorf("getNextMonday() = %q, want %q", got, want)
	}

	// Check that if the date is already a Monday, it returns the following TestGetNextMonday
	date = time.Date(2020, 1, 6, 0, 0, 0, 0, time.UTC)
	want = time.Date(2020, 1, 13, 0, 0, 0, 0, time.UTC)
	if got := nextMonday(date); got != want {
		t.Errorf("getNextMonday() = %q, want %q", got, want)
	}
}

// func TestGeneratePdf(t *testing.T) {
// 	want := "./public/FRE" + time.Now().Format("20060102") + ".pdf"
// 	got, err := generatePdf(testDog)
// 	if err != nil {
// 		t.Errorf("generatePdf() error = %q", err)
// 	}
// 	if got != want {
// 		t.Errorf("generateInvoice() = %q, want %q", got, want)
// 	}
// }

// func TestSendEmail(t *testing.T) {
// 	db.Exec("DROP TABLE dogs")
// 	Init()
// 	_ = addDog(testDog)
// 	err := sendEmail(testDog)
// 	if err != nil {
// 		t.Errorf("sendEmail() error = %q", err)
// 	}
// }

// func TestSendInvoice(t *testing.T) {
// 	err := sendInvoice(testDog.ID)
// 	if err != nil {
// 		t.Errorf("sendInvoice() error = %q", err)
// 	}
// }