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connection_errors_test.go
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connection_errors_test.go
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// Copyright (C) MongoDB, Inc. 2017-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
//go:build go1.13
// +build go1.13
package topology
import (
"context"
"errors"
"net"
"testing"
"go.mongodb.org/mongo-driver/internal/testutil/assert"
"go.mongodb.org/mongo-driver/mongo/address"
"go.mongodb.org/mongo-driver/x/mongo/driver/auth"
)
func TestConnectionErrors(t *testing.T) {
t.Run("errors are wrapped", func(t *testing.T) {
t.Run("dial error", func(t *testing.T) {
dialError := errors.New("foo")
conn := newConnection(address.Address(""), WithDialer(func(Dialer) Dialer {
return DialerFunc(func(context.Context, string, string) (net.Conn, error) { return nil, dialError })
}))
err := conn.connect(context.Background())
assert.True(t, errors.Is(err, dialError), "expected error %v, got %v", dialError, err)
})
t.Run("handshake error", func(t *testing.T) {
conn := newConnection(address.Address(""),
WithHandshaker(func(Handshaker) Handshaker {
return auth.Handshaker(nil, &auth.HandshakeOptions{})
}),
WithDialer(func(Dialer) Dialer {
return DialerFunc(func(context.Context, string, string) (net.Conn, error) {
return &net.TCPConn{}, nil
})
}),
)
defer conn.close()
ctx, cancel := context.WithCancel(context.Background())
cancel()
err := conn.connect(ctx)
assert.True(t, errors.Is(err, context.Canceled), "expected error %v, got %v", context.Canceled, err)
})
})
}