We build too many walls and not enough bridges

test/context/bridge_panic_handler.go

@@ -0,0 +1,49 @@
+// 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 (
+	"bytes"
+	"io/ioutil"
+	"runtime/pprof"
+)
+
+type panicHandler struct {
+	t *bddT
+}
+
+func newPanicHandler(t *bddT) *panicHandler {
+	return &panicHandler{
+		t: t,
+	}
+}
+
+// HandlePanic makes the panicHandler implement the panicHandler interface for bridge.
+func (ph *panicHandler) HandlePanic() {
+	r := recover()
+	if r != nil {
+		ph.t.Errorf("panic: %s", r)
+
+		r := bytes.NewBufferString("")
+		_ = pprof.Lookup("goroutine").WriteTo(r, 2)
+		b, err := ioutil.ReadAll(r)
+		ph.t.Errorf("pprof details: %s %s", err, b)
+
+		ph.t.FailNow()
+	}
+}