We build too many walls and not enough bridges

test/context/smtp.go

@@ -0,0 +1,81 @@
+// Copyright (c) 2020 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package context
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/ProtonMail/proton-bridge/internal/bridge"
+	"github.com/ProtonMail/proton-bridge/internal/preferences"
+	"github.com/ProtonMail/proton-bridge/internal/smtp"
+	"github.com/ProtonMail/proton-bridge/pkg/config"
+	"github.com/ProtonMail/proton-bridge/test/mocks"
+	"github.com/stretchr/testify/require"
+)
+
+// GetSMTPClient gets the smtp client by name; if it doesn't exist yet it creates it.
+func (ctx *TestContext) GetSMTPClient(handle string) *mocks.SMTPClient {
+	if client, ok := ctx.smtpClients[handle]; ok {
+		return client
+	}
+	return ctx.newSMTPClient(handle)
+}
+
+func (ctx *TestContext) newSMTPClient(handle string) *mocks.SMTPClient {
+	ctx.withSMTPServer()
+
+	client := mocks.NewSMTPClient(ctx.t, handle, ctx.smtpAddr)
+	ctx.smtpClients[handle] = client
+	ctx.addCleanup(client.Close, "Closing SMTP client")
+	return client
+}
+
+// withSMTPServer starts an smtp server and connects it to the bridge instance.
+// Every TestContext has this by default and thus this doesn't need to be exported.
+func (ctx *TestContext) withSMTPServer() {
+	if ctx.smtpServer != nil {
+		return
+	}
+
+	ph := newPanicHandler(ctx.t)
+	pref := preferences.New(ctx.cfg)
+	tls, _ := config.GetTLSConfig(ctx.cfg)
+	port := pref.GetInt(preferences.SMTPPortKey)
+	useSSL := pref.GetBool(preferences.SMTPSSLKey)
+
+	backend := smtp.NewSMTPBackend(ph, ctx.listener, pref, ctx.bridge)
+	server := smtp.NewSMTPServer(true, port, useSSL, tls, backend, ctx.listener)
+
+	go server.ListenAndServe()
+	require.NoError(ctx.t, waitForPort(port, 5*time.Second))
+
+	ctx.smtpServer = server
+	ctx.smtpAddr = fmt.Sprintf("%v:%v", bridge.Host, port)
+	ctx.addCleanup(ctx.smtpServer.Close, "Closing SMTP server")
+}
+
+// SetSMTPLastResponse sets the last SMTP response that was received.
+func (ctx *TestContext) SetSMTPLastResponse(handle string, resp *mocks.SMTPResponse) {
+	ctx.smtpLastResponses[handle] = resp
+}
+
+// GetSMTPLastResponse returns the last IMAP response that was received.
+func (ctx *TestContext) GetSMTPLastResponse(handle string) *mocks.SMTPResponse {
+	return ctx.smtpLastResponses[handle]
+}