78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package net
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import (
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"flag"
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"regexp"
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"testing"
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)
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var runErrorTest = flag.Bool("run_error_test", false, "let TestDialError check for dns errors")
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type DialErrorTest struct {
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Net string
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Laddr string
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Raddr string
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Pattern string
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}
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var dialErrorTests = []DialErrorTest{
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{
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"datakit", "", "mh/astro/r70",
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"dial datakit mh/astro/r70: unknown network datakit",
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},
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{
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"tcp", "", "127.0.0.1:☺",
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"dial tcp 127.0.0.1:☺: unknown port tcp/☺",
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},
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{
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"tcp", "", "no-such-name.google.com.:80",
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"dial tcp no-such-name.google.com.:80: lookup no-such-name.google.com.( on .*)?: no (.*)",
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},
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{
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"tcp", "", "no-such-name.no-such-top-level-domain.:80",
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"dial tcp no-such-name.no-such-top-level-domain.:80: lookup no-such-name.no-such-top-level-domain.( on .*)?: no (.*)",
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},
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{
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"tcp", "", "no-such-name:80",
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`dial tcp no-such-name:80: lookup no-such-name\.(.*\.)?( on .*)?: no (.*)`,
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},
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{
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"tcp", "", "mh/astro/r70:http",
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"dial tcp mh/astro/r70:http: lookup mh/astro/r70: invalid domain name",
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},
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{
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"unix", "", "/etc/file-not-found",
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"dial unix /etc/file-not-found: [nN]o such file or directory",
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},
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{
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"unix", "", "/etc/",
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"dial unix /etc/: ([pP]ermission denied|[sS]ocket operation on non-socket|[cC]onnection refused)",
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},
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}
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func TestDialError(t *testing.T) {
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if !*runErrorTest {
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t.Logf("test disabled; use --run_error_test to enable")
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return
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}
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for i, tt := range dialErrorTests {
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c, e := Dial(tt.Net, tt.Laddr, tt.Raddr)
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if c != nil {
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c.Close()
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}
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if e == nil {
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t.Errorf("#%d: nil error, want match for %#q", i, tt.Pattern)
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continue
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}
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s := e.String()
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match, _ := regexp.MatchString(tt.Pattern, s)
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if !match {
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t.Errorf("#%d: %q, want match for %#q", i, s, tt.Pattern)
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}
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}
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}
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