Mercurial > hg > nginx-tests
annotate sub_filter_buffering.t @ 1240:f7eb2875ed45
Tests: avoid interleaved output in Upgrade handling tests.
When the testing script is run in verbose mode by prove that redirects stdout,
a garbled verbose mode line from backend can be produced that incorporates TAP
output of an individual test result, which eventually breaks the testing plan.
Notably, this happens when testing sending multiple frames if backend started
to respond before all frames were received. This is possible due to the line
boundary used as an indicator of last bytes to receive before starting to send.
The fix is to amend the only last frame of many specially, for that purpose.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Wed, 15 Nov 2017 20:16:09 +0300 |
parents | efccab043dd3 |
children | ea796652fcdc |
rev | line source |
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Tests: sub_filter tests with buffering.
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1 #!/usr/bin/perl |
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2 |
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3 # (C) Andrey Zelenkov |
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4 # (C) Nginx, Inc. |
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5 |
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6 # Tests for sub_filter buffering. |
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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 Socket qw/ CRLF /; |
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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 |
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22 ############################################################################### |
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23 |
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24 select STDERR; $| = 1; |
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25 select STDOUT; $| = 1; |
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26 |
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27 my $t = Test::Nginx->new()->has(qw/http sub/)->plan(2) |
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28 ->write_file_expand('nginx.conf', <<'EOF'); |
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29 |
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30 %%TEST_GLOBALS%% |
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31 |
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32 daemon off; |
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33 |
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34 events { |
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35 } |
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36 |
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37 http { |
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38 %%TEST_GLOBALS_HTTP%% |
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39 |
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40 server { |
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41 listen 127.0.0.1:8080; |
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42 server_name localhost; |
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43 |
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44 proxy_buffering off; |
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45 proxy_http_version 1.1; |
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46 |
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47 sub_filter_types *; |
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48 |
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49 location /partial { |
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50 proxy_pass http://127.0.0.1:8081; |
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51 sub_filter za ZA; |
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52 } |
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53 |
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54 location /negative { |
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55 proxy_pass http://127.0.0.1:8081; |
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56 sub_filter ab AB; |
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57 } |
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58 } |
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59 } |
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60 |
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61 EOF |
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62 |
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63 $t->run_daemon(\&http_daemon); |
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64 $t->run()->waitforsocket('127.0.0.1:' . port(8081)); |
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65 |
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66 ############################################################################### |
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67 |
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68 # partial match: the last byte matching pattern is buffered |
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69 |
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70 like(http_get('/partial'), qr/xy$/, 'partial match'); |
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71 |
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72 # no partial match: an entire buffer is sent as is without buffering |
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73 |
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74 like(http_get('/negative'), qr/xyz/, 'negative match'); |
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75 |
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76 ############################################################################### |
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77 |
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78 sub http_daemon { |
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79 my $server = IO::Socket::INET->new( |
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80 Proto => 'tcp', |
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81 LocalHost => '127.0.0.1:' . port(8081), |
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82 Listen => 5, |
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83 Reuse => 1 |
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84 ) |
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85 or die "Can't create listening socket: $!\n"; |
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86 |
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87 local $SIG{PIPE} = 'IGNORE'; |
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88 |
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89 while (my $client = $server->accept()) { |
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90 $client->autoflush(1); |
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91 |
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92 while (<$client>) { |
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93 last if /^\x0d?\x0a?$/; |
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94 } |
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95 |
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96 print $client |
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97 "HTTP/1.1 200 OK" . CRLF . |
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98 "Content-Length: 10" . CRLF . CRLF . |
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99 "xyz"; |
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100 } |
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101 } |