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