public async Task SendEmail_WithOneParamNull_ShouldThrowArgumentNullException(string emailAddress, string subject, string body)
{
string nullParam = null;
if (emailAddress == null)
{
nullParam = nameof(emailAddress);
}
else if (subject == null)
{
nullParam = nameof(subject);
}
else if (body == null)
{
nullParam = nameof(body);
}
var exception = await Assert.ThrowsAsync <ArgumentNullException>(() => _mailgunEmailService.SendEmailAsync(emailAddress, subject, body));
Assert.Equal(nullParam, exception.ParamName);
}
public static void Handler(SQSEvent sqsEvent, ILambdaContext context)
{
context.Logger.LogLine($"Received SQSEvent with {sqsEvent.Records.Count} SQSMessage record(s)");
context.Logger.LogLine("Retrieving ApiKey");
string apiKey = String.Empty;
using (var ssmClient = new AmazonSimpleSystemsManagementClient())
{
var response = ssmClient.GetParameterAsync(
new Amazon.SimpleSystemsManagement.Model.GetParameterRequest
{
Name = Environment.GetEnvironmentVariable("Email__ServiceApiKeyName"),
WithDecryption = true
}
).GetAwaiter().GetResult();
apiKey = response.Parameter.Value;
}
context.Logger.LogLine("Creating EmailService object");
var emailService = new MailgunEmailService(new MailgunEmailService.Options
{
FromAddress = Environment.GetEnvironmentVariable("Email__FromAddress"),
MailDomain = Environment.GetEnvironmentVariable("Email__MailDomain"),
ServiceUrl = Environment.GetEnvironmentVariable("Email__ServiceUrl"),
ServiceApiKey = apiKey
});
foreach (var sqsMessage in sqsEvent.Records)
{
context.Logger.LogLine($"Processing message {sqsMessage.MessageId}");
// Parse out recipient, subject, and email body
var strArray = sqsMessage.Body.Split(MessageSeparator, 3, StringSplitOptions.None);
var recipient = strArray[0];
context.Logger.LogLine($"({sqsMessage.MessageId}) To: {recipient}");
var subject = strArray[1];
context.Logger.LogLine($"({sqsMessage.MessageId}) Subject: {subject}");
var body = strArray[2];
context.Logger.LogLine($"({sqsMessage.MessageId}) Subject: {body}");
// Send the e-mail
var emailMessage = new Email.EmailMessage
{
EmailAddress = recipient,
Subject = subject,
Body = body
};
var result = emailService.SendEmailAsync(emailMessage).GetAwaiter().GetResult();
context.Logger.LogLine($"({sqsMessage.MessageId}) Email service returned success: {result.Success} details: {result.Details}");
}
}
