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annotate stream_upstream_hash.t @ 974:882267679006

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Tests: simplified parallel modifications in tests. Mail tests were simplified in c227348453db.
author Andrey Zelenkov <zelenkov@nginx.com>
date Tue, 12 Jul 2016 17:39:03 +0300
parents e9064d691790
children 06fbf6269f38
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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5c3946ebd867 Tests: basic stream tests for upstream hash.
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1 #!/usr/bin/perl
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2
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3 # (C) Sergey Kandaurov
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4 # (C) Nginx, Inc.
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5
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6 # Stream tests for upstream hash balancer module.
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7
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8 ###############################################################################
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9
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10 use warnings;
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11 use strict;
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12
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13 use Test::More;
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14
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15 use IO::Select;
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16
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17 BEGIN { use FindBin; chdir($FindBin::Bin); }
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18
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19 use lib 'lib';
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20 use Test::Nginx;
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21 use Test::Nginx::Stream qw/ stream /;
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22
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23 ###############################################################################
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24
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25 select STDERR; $| = 1;
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26 select STDOUT; $| = 1;
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27
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28 my $t = Test::Nginx->new()->has(qw/stream stream_upstream_hash/)->plan(2);
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29
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30 $t->write_file_expand('nginx.conf', <<'EOF');
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31
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32 %%TEST_GLOBALS%%
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33
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34 daemon off;
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35
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36 events {
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37 }
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38
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39 stream {
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40 upstream hash {
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41 hash $remote_addr;
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42 server 127.0.0.1:8082;
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43 server 127.0.0.1:8083;
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44 }
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45
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46 upstream cons {
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47 hash $remote_addr consistent;
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48 server 127.0.0.1:8082;
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49 server 127.0.0.1:8083;
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50 }
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51
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52 server {
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53 listen 127.0.0.1:8080;
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54 proxy_pass hash;
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55 }
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56
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57 server {
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58 listen 127.0.0.1:8081;
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59 proxy_pass cons;
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60 }
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61 }
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62
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63 EOF
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64
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65 $t->run_daemon(\&stream_daemon, port(8082));
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66 $t->run_daemon(\&stream_daemon, port(8083));
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67 $t->run();
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68
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69 $t->waitforsocket('127.0.0.1:' . port(8082));
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70 $t->waitforsocket('127.0.0.1:' . port(8083));
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71
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72 ###############################################################################
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73
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74 my @ports = my ($port2, $port3) = (port(8082), port(8083));
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75
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76 is(many(10, port(8080)), "$port3: 10", 'hash');
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77 like(many(10, port(8081)), qr/($port2|$port3): 10/, 'hash consistent');
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78
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79 ###############################################################################
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80
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81 sub many {
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82 my ($count, $port) = @_;
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83 my (%ports);
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84
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85 for (1 .. $count) {
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86 if (stream("127.0.0.1:$port")->io('.') =~ /(\d+)/) {
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87 $ports{$1} = 0 unless defined $ports{$1};
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88 $ports{$1}++;
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89 }
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90 }
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91
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92 my @keys = map { my $p = $_; grep { $p == $_ } keys %ports } @ports;
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93 return join ', ', map { $_ . ": " . $ports{$_} } @keys;
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94 }
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95
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96 ###############################################################################
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97
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98 sub stream_daemon {
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99 my ($port) = @_;
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100
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101 my $server = IO::Socket::INET->new(
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102 Proto => 'tcp',
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103 LocalAddr => '127.0.0.1',
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104 LocalPort => $port,
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105 Listen => 5,
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106 Reuse => 1
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107 )
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108 or die "Can't create listening socket: $!\n";
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109
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110 my $sel = IO::Select->new($server);
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111
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112 local $SIG{PIPE} = 'IGNORE';
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113
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114 while (my @ready = $sel->can_read) {
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115 foreach my $fh (@ready) {
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116 if ($server == $fh) {
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117 my $new = $fh->accept;
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118 $new->autoflush(1);
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119 $sel->add($new);
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120
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121 } elsif (stream_handle_client($fh)) {
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122 $sel->remove($fh);
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123 $fh->close;
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124 }
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125 }
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126 }
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127 }
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128
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129 sub stream_handle_client {
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130 my ($client) = @_;
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131
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132 log2c("(new connection $client)");
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133
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134 $client->sysread(my $buffer, 65536) or return 1;
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135
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136 log2i("$client $buffer");
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137
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138 $buffer = $client->sockport();
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139
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140 log2o("$client $buffer");
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141
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142 $client->syswrite($buffer);
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143
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144 return 1;
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145 }
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146
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147 sub log2i { Test::Nginx::log_core('|| <<', @_); }
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148 sub log2o { Test::Nginx::log_core('|| >>', @_); }
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149 sub log2c { Test::Nginx::log_core('||', @_); }
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150
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151 ###############################################################################