Mercurial > hg > nginx-tests
annotate h2_limit_conn.t @ 1427:eb1d883305ea
Tests: avoid edge cases in upstream random two test.
Unavailable servers contribute to the number of attempts, if selected,
before the balancer would fall back to the default round-robin method.
This means that it's quite possible to get server with more connections.
To facilitate with selecting two alive servers, down server was removed
from the upstream configuration at the cost of slightly worse coverage.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Thu, 10 Jan 2019 17:42:34 +0300 |
parents | 882267679006 |
children | 236d038dc04a |
rev | line source |
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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 # Tests for HTTP/2 protocol with limit_conn. |
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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 BEGIN { use FindBin; chdir($FindBin::Bin); } |
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16 |
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17 use lib 'lib'; |
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18 use Test::Nginx; |
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19 use Test::Nginx::HTTP2; |
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20 |
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21 ############################################################################### |
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22 |
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23 select STDERR; $| = 1; |
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24 select STDOUT; $| = 1; |
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25 |
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26 my $t = Test::Nginx->new()->has(qw/http http_v2 limit_conn/)->plan(4) |
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27 ->write_file_expand('nginx.conf', <<'EOF'); |
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28 |
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29 %%TEST_GLOBALS%% |
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30 |
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31 daemon off; |
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32 |
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33 events { |
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34 } |
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35 |
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36 http { |
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37 %%TEST_GLOBALS_HTTP%% |
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38 |
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39 limit_conn_zone $binary_remote_addr zone=conn:1m; |
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40 |
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41 server { |
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42 listen 127.0.0.1:8080 http2; |
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43 server_name localhost; |
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44 |
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45 location /t.html { |
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46 limit_conn conn 1; |
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47 } |
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48 } |
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49 } |
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50 |
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51 EOF |
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52 |
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53 $t->write_file('t.html', 'SEE-THIS'); |
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54 $t->run(); |
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55 |
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56 ############################################################################### |
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57 |
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58 my $s = Test::Nginx::HTTP2->new(); |
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59 $s->h2_settings(0, 0x4 => 1); |
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60 |
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61 my $sid = $s->new_stream({ path => '/t.html' }); |
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62 my $frames = $s->read(all => [{ sid => $sid, length => 1 }]); |
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63 |
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64 my ($frame) = grep { $_->{type} eq "HEADERS" && $_->{sid} == $sid } @$frames; |
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65 is($frame->{headers}->{':status'}, 200, 'limit_conn first stream'); |
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66 |
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67 my $sid2 = $s->new_stream({ path => '/t.html' }); |
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68 $frames = $s->read(all => [{ sid => $sid2, length => 1 }]); |
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69 |
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70 ($frame) = grep { $_->{type} eq "HEADERS" && $_->{sid} == $sid2 } @$frames; |
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71 is($frame->{headers}->{':status'}, 503, 'limit_conn rejected'); |
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72 |
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73 $s->h2_settings(0, 0x4 => 2**16); |
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74 |
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75 $s->read(all => [ |
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76 { sid => $sid, fin => 1 }, |
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77 { sid => $sid2, fin => 1 } |
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78 ]); |
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79 |
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80 # limit_conn + client's RST_STREAM |
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81 |
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82 $s = Test::Nginx::HTTP2->new(); |
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83 $s->h2_settings(0, 0x4 => 1); |
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84 |
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85 $sid = $s->new_stream({ path => '/t.html' }); |
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86 $frames = $s->read(all => [{ sid => $sid, length => 1 }]); |
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87 $s->h2_rst($sid, 5); |
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88 |
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89 ($frame) = grep { $_->{type} eq "HEADERS" && $_->{sid} == $sid } @$frames; |
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90 is($frame->{headers}->{':status'}, 200, 'RST_STREAM 1'); |
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91 |
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92 $sid2 = $s->new_stream({ path => '/t.html' }); |
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93 $frames = $s->read(all => [{ sid => $sid2, length => 1 }]); |
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94 |
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95 ($frame) = grep { $_->{type} eq "HEADERS" && $_->{sid} == $sid2 } @$frames; |
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96 is($frame->{headers}->{':status'}, 200, 'RST_STREAM 2'); |
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97 |
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98 ############################################################################### |