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Compose, deliver and test your emails easily in Elixir. Supports SMTP, Sendgrid, Mandrill, Postmark, Mailgun and many more out of the box. Preview your emails in the browser. Test your email sending code.

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swoosh lib swoosh adapters test.ex
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lib/swoosh/adapters/test.ex

defmodule Swoosh.Adapters.Test do
@moduledoc ~S"""
An adapter that sends emails as messages to the current process.
This is meant to be used during tests and works with the assertions found in
the [Swoosh.TestAssertions](Swoosh.TestAssertions.html) module.
## Example
# config/test.exs
config :sample, Sample.Mailer,
adapter: Swoosh.Adapters.Test
# lib/sample/mailer.ex
defmodule Sample.Mailer do
use Swoosh.Mailer, otp_app: :sample
end
"""
use Swoosh.Adapter
def deliver(email, _config) do
for pid <- pids() do
send(pid, {:email, email})
end
{:ok, %{}}
end
def deliver_many(emails, _config) do
for pid <- pids() do
send(pid, {:emails, emails})
end
responses = for _email <- emails, do: %{}
{:ok, responses}
end
# Essentially finds all of the processes that tried to send an email (in the test)
# and sends an email to that process.
defp pids do
if pid = Application.get_env(:swoosh, :shared_test_process) do
[pid]
else
Enum.uniq([self() | List.wrap(Process.get(:"$callers"))])
end
end
end