FluentEmail/test/FluentEmail.Core.Tests/MailgunSenderTests.cs at 6b2c8aa2a6cfb7fa45fe816e6ef3f9cc004ad14a · lukencode/FluentEmail · GitHub

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using System.IO;
using System.Threading.Tasks;
using FluentEmail.Core;
using FluentEmail.Core.Models;
using NUnit.Framework;
using Newtonsoft.Json;

namespace FluentEmail.Mailgun.Tests
{
    public class MailgunSenderTests
    {
        const string toEmail = "bentest1@mailinator.com";
        const string fromEmail = "ben@test.com";
        const string subject = "Attachment Tests";
        const string body = "This email is testing the attachment functionality of MailGun.";

        [SetUp]
        public void SetUp()
        {
            var sender = new MailgunSender("sandboxcf5f41bbf2f84f15a386c60e253b5fe9.mailgun.org", "key-8d32c046d7f14ada8d5ba8253e3e30de");
            Email.DefaultSender = sender;
        }

        [Test]
        public async Task CanSendEmail()
        {
            var email = Email
                .From(fromEmail)
                .To(toEmail)
                .Subject(subject)
                .Body(body);

            var response = await email.SendAsync();

            Assert.IsTrue(response.Successful);
        }

        [Test]
        public async Task GetMessageIdInResponse()
        {
            var email = Email
                .From(fromEmail)
                .To(toEmail)
                .Subject(subject)
                .Body(body);

            var response = await email.SendAsync();

            Assert.IsTrue(response.Successful);
            Assert.IsNotEmpty(response.MessageId);
        }

        [Test]
        public async Task CanSendEmailWithTag()
        {
            var email = Email
                .From(fromEmail)
                .To(toEmail)
                .Subject(subject)
                .Body(body)
                .Tag("test");

            var response = await email.SendAsync();

            Assert.IsTrue(response.Successful);
        }

        [Test]
        public async Task CanSendEmailWithVariables()
        {
            var email = Email
                .From(fromEmail)
                .To(toEmail)
                .Subject(subject)
                .Body(body)
                .Header("X-Mailgun-Variables", JsonConvert.SerializeObject(new Variable { Var1 = "Test"}));

            var response = await email.SendAsync();

            Assert.IsTrue(response.Successful);
        }

        [Test]
        public async Task CanSendEmailWithAttachments()
        {
            var stream = new MemoryStream();
            var sw = new StreamWriter(stream);
            sw.WriteLine("Hey this is some text in an attachment");
            sw.Flush();
            stream.Seek(0, SeekOrigin.Begin);

            var attachment = new Attachment
            {
                Data = stream,
                ContentType = "text/plain",
                Filename = "mailgunTest.txt"
            };

            var email = Email
                .From(fromEmail)
                .To(toEmail)
                .Subject(subject)
                .Body(body)
                .Attach(attachment);

            var response = await email.SendAsync();

            Assert.IsTrue(response.Successful);
        }

        [Test]
        public async Task CanSendEmailWithInlineImages()
        {
            using (var stream = File.OpenRead($"{Path.Combine(Directory.GetCurrentDirectory(), "logotest.png")}"))
            {
                var attachment = new Attachment
                {
                    IsInline = true,
                    Data = stream,
                    ContentType = "image/png",
                    Filename = "logotest.png"
                };

                var email = Email
                    .From(fromEmail)
                    .To(toEmail)
                    .Subject(subject)
                    .Body("<html>Inline image here: <img src=\"cid:logotest.png\">" +
                          "<p>You should see an image without an attachment, or without a download prompt, depending on the email client.</p></html>", true)
                    .Attach(attachment);

                var response = await email.SendAsync();

                Assert.IsTrue(response.Successful);
            }
        }

        // [Test]
        // public async Task CanSendEmailWithTemplate()
        // {
        //     var email = Email
        //         .From(fromEmail)
        //         .To(toEmail)
        //         .Subject(subject);
        //
        //     var response = await email.SendWithTemplateAsync("test-template", new { var1 = "Test" });
        //
        //     Assert.IsTrue(response.Successful);
        // }

        class Variable
        {
            public string Var1 { get; set; }
        }
    }
}