Module stub

The stub transport logs message envelopes as well as contents. It can be useful for testing purposes.

Stub Transport

The stub transport logs message envelopes as well as contents. It can be useful for testing purposes.

Examples

use lettre::{
    message::header::ContentType, transport::stub::StubTransport, Message, Transport,
};

let email = Message::builder()
    .from("NoBody <nobody@domain.tld>".parse()?)
    .reply_to("Yuin <yuin@domain.tld>".parse()?)
    .to("Hei <hei@domain.tld>".parse()?)
    .subject("Happy new year")
    .header(ContentType::TEXT_PLAIN)
    .body(String::from("Be happy!"))?;

let mut sender = StubTransport::new_ok();
sender.send(&email)?;
assert_eq!(
    sender.messages(),
    vec![(
        email.envelope().clone(),
        String::from_utf8(email.formatted()).unwrap()
    )],
);

Structs

Error

An error returned by the stub transport

StubTransport

This transport logs messages and always returns the given response