18F/cg-dashboard

package mailer

import (
    "bytes"
    "strings"
    "testing"

    "github.com/18F/cg-dashboard/helpers"
    . "github.com/18F/cg-dashboard/helpers/testhelpers/docker"
)

func TestSendEmail(t *testing.T) {
    hostname, smtpPort, apiPort, cleanup := CreateTestMailCatcher(t)
    // Test InitSMTPMailer with valid path for templates.
    settings := helpers.Settings{
        SMTPHost: hostname,
        SMTPPort: smtpPort,
        SMTPFrom: "test@dashboard.com",
    }
    mailer, err := InitSMTPMailer(settings)
    if mailer == nil {
        t.Error("Expected non nil mailer.")
    }
    if err != nil {
        t.Errorf("Expected nil error, found %s", err.Error())
    }
    body := bytes.NewBufferString("test html here")
    err = mailer.SendEmail("test@receiver.com", "sample subject", body.Bytes())
    if err != nil {
        t.Errorf("Expected nil error, found %s", err.Error())
    }
    receivedData, err := GetLatestMailMessageData(hostname, apiPort)
    if err != nil {
        t.Errorf("Expected nil error, found %s", err.Error())
    }
    if !strings.Contains(string(receivedData), `"sender":"<test@dashboard.com>"`) {
        t.Error("Expected to find sender metadata")
    }
    if !strings.Contains(string(receivedData), `"recipients":["<test@receiver.com>"]`) {
        t.Error("Expected to find receipient metadata")
    }
    if !strings.Contains(string(receivedData), `"subject":"sample subject"`) {
        t.Error("Expected to find receipient metadata")
    }
    // Useful for generating test data. Undo to learn more about the data.
    // log.Println(string(receivedData))

    cleanup() // Destroy the mail server.

    // Try sending mail to bad server.
    err = mailer.SendEmail("test@receiver.com", "sample subject", body.Bytes())
    if err == nil {
        t.Error("Expected non nil error")
    }
}

func TestInitSMTPMailer(t *testing.T) {
    settings := helpers.Settings{}
    mailer, err := InitSMTPMailer(settings)
    if mailer == nil {
        t.Error("Expected non nil mailer.")
    }
    if err != nil {
        t.Errorf("Expected nil error, found %s", err.Error())
    }
}