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Socket.pm
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Socket.pm
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package Test::Nginx::Socket;
use lib 'lib';
use lib 'inc';
use v5.10.1;
use Test::Base -Base;
our $VERSION = '0.30';
use POSIX qw( SIGQUIT SIGKILL SIGTERM SIGHUP );
use Encode;
#use Data::Dumper;
use Time::HiRes qw(sleep time);
use Test::LongString;
use List::MoreUtils qw( any );
use List::Util qw( sum min );
use IO::Select ();
use File::Temp qw( tempfile );
use Digest::MD5 ();
use Digest::SHA ();
use POSIX ":sys_wait_h";
use Test::Nginx::Util;
use JSON::PP;
#use Smart::Comments::JSON '###';
use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK);
use POSIX qw(EAGAIN);
use IO::Socket;
#our ($PrevRequest, $PrevConfig);
our @EXPORT = qw( env_to_nginx is_str plan run_tests run_test
repeat_each config_preamble worker_connections
master_process_enabled
no_long_string workers master_on master_off
log_level no_shuffle no_root_location use_hup
server_name
server_addr server_root html_dir server_port server_port_for_client
timeout no_nginx_manager check_accum_error_log
add_block_preprocessor bail_out add_test_cleanup_handler add_cleanup_handler
add_response_body_check
);
our $CheckLeakCount = $ENV{TEST_NGINX_CHECK_LEAK_COUNT} // 100;
our $UseHttp2 = $Test::Nginx::Util::UseHttp2;
our $TotalConnectingTimeouts = 0;
our $PrevNginxPid;
our $UseValgrind = $ENV{TEST_NGINX_USE_VALGRIND};
sub send_request ($$$$@);
sub send_http_req_by_curl ($$$);
sub run_filter_helper($$$);
sub run_test_helper ($$);
sub test_stap ($$);
sub error_event_handler ($);
sub read_event_handler ($);
sub write_event_handler ($);
sub transform_response_body ($$$);
sub check_response_body ($$$$$$);
sub fmt_str ($);
sub gen_ab_cmd_from_req ($$@);
sub gen_curl_cmd_from_req ($$);
sub get_linear_regression_slope ($);
sub value_contains ($$);
$RunTestHelper = \&run_test_helper;
$CheckErrorLog = \&check_error_log;
$CheckShutdownErrorLog = \&check_shutdown_error_log;
sub set_http_config_filter ($) {
$FilterHttpConfig = shift;
}
our @ResponseBodyChecks;
sub add_response_body_check ($) {
push @ResponseBodyChecks, shift;
}
# This will parse a "request"" string. The expected format is:
# - One line for the HTTP verb (POST, GET, etc.) plus optional relative URL
# (default is /) plus optional HTTP version (default is HTTP/1.1).
# - More lines considered as the body of the request.
# Most people don't care about headers and this is enough.
#
# This function will return a reference to a hash with the parsed elements
# plus information on the parsing itself like "how many white spaces were
# skipped before the VERB" (skipped_before_method), "was the version provided"
# (http_ver_size = 0).
sub parse_request ($$) {
my ( $name, $rrequest ) = @_;
open my $in, '<', $rrequest;
my $first = <$in>;
if ( !$first ) {
bail_out("$name - Request line should be non-empty");
}
#$first =~ s/^\s+|\s+$//gs;
my ($before_meth, $meth, $after_meth);
my ($rel_url, $rel_url_size, $after_rel_url);
my ($http_ver, $http_ver_size, $after_http_ver);
my $end_line_size;
if ($first =~ /^(\s*)(\S+)( *)((\S+)( *))?((\S+)( *))?(\s*)$/) {
$before_meth = defined $1 ? length($1) : undef;
$meth = $2;
$after_meth = defined $3 ? length($3) : undef;
$rel_url = $5;
$rel_url_size = defined $5 ? length($5) : undef;
$after_rel_url = defined $6 ? length($6) : undef;
$http_ver = $8;
if (!defined $8) {
$http_ver_size = undef;
} else {
$http_ver_size = defined $8 ? length($8) : undef;
}
if (!defined $9) {
$after_http_ver = undef;
} else {
$after_http_ver = defined $9 ? length($9) : undef;
}
$end_line_size = defined $10 ? length($10) : undef;
} else {
bail_out("$name - Request line is not valid. Should be 'meth [url [version]]' but got \"$first\".");
}
if ( !defined $rel_url ) {
$rel_url = '/';
$rel_url_size = 0;
$after_rel_url = 0;
}
if ( !defined $http_ver ) {
$http_ver = 'HTTP/1.1';
$http_ver_size = 0;
$after_http_ver = 0;
}
#my $url = "http://localhost:$ServerPortForClient" . $rel_url;
my $content = do { local $/; <$in> };
my $content_size;
if ( !defined $content ) {
$content = "";
$content_size = 0;
} else {
$content_size = length($content);
}
#warn Dumper($content);
close $in;
return {
method => $meth,
url => $rel_url,
content => $content,
http_ver => $http_ver,
skipped_before_method => $before_meth,
method_size => length($meth),
skipped_after_method => $after_meth,
url_size => $rel_url_size,
skipped_after_url => $after_rel_url,
http_ver_size => $http_ver_size,
skipped_after_http_ver => $after_http_ver + $end_line_size,
content_size => $content_size,
};
}
# From a parsed request, builds the "moves" to apply to the original request
# to transform it (e.g. add missing version). Elements of the returned array
# are of 2 types:
# - d : number of characters to remove.
# - s_* : number of characters (s_s) to replace by value (s_v).
sub get_moves($) {
my ($parsed_req) = @_;
return ({d => $parsed_req->{skipped_before_method}},
{s_s => $parsed_req->{method_size},
s_v => $parsed_req->{method}},
{d => $parsed_req->{skipped_after_method}},
{s_s => $parsed_req->{url_size},
s_v => $parsed_req->{url}},
{d => $parsed_req->{skipped_after_url}},
{s_s => $parsed_req->{http_ver_size},
s_v => $parsed_req->{http_ver}},
{d => $parsed_req->{skipped_after_http_ver}},
{s_s => 0,
s_v => $parsed_req->{headers}},
{s_s => $parsed_req->{content_size},
s_v => $parsed_req->{content}}
);
}
# Apply moves (see above) to an array of packets that correspond to a request.
# The use of this function is explained in the build_request_from_packets
# function.
sub apply_moves($$) {
my ($r_packet, $r_move) = @_;
my $current_packet = shift @$r_packet;
my $current_move = shift @$r_move;
my $in_packet_cursor = 0;
my @result = ();
while (defined $current_packet) {
if (!defined $current_move) {
push @result, $current_packet;
$current_packet = shift @$r_packet;
$in_packet_cursor = 0;
} elsif (defined $current_move->{d}) {
# Remove stuff from packet
if ($current_move->{d} > length($current_packet) - $in_packet_cursor) {
# Eat up what is left of packet.
$current_move->{d} -= length($current_packet) - $in_packet_cursor;
if ($in_packet_cursor > 0) {
# Something in packet from previous iteration.
push @result, $current_packet;
}
$current_packet = shift @$r_packet;
$in_packet_cursor = 0;
} else {
# Remove from current point in current packet
substr($current_packet, $in_packet_cursor, $current_move->{d}) = '';
$current_move = shift @$r_move;
}
} else {
# Substitute stuff
if ($current_move->{s_s} > length($current_packet) - $in_packet_cursor) {
# {s_s=>3, s_v=>GET} on ['GE', 'T /foo']
$current_move->{s_s} -= length($current_packet) - $in_packet_cursor;
substr($current_packet, $in_packet_cursor) = substr($current_move->{s_v}, 0, length($current_packet) - $in_packet_cursor);
push @result, $current_packet;
$current_move->{s_v} = substr($current_move->{s_v}, length($current_packet) - $in_packet_cursor);
$current_packet = shift @$r_packet;
$in_packet_cursor = 0;
} else {
substr($current_packet, $in_packet_cursor, $current_move->{s_s}) = $current_move->{s_v};
$in_packet_cursor += length($current_move->{s_v});
$current_move = shift @$r_move;
}
}
}
return \@result;
}
# Given a request as an array of packets, will parse it, append the appropriate
# headers and return another array of packets.
# The function implemented here can be high-level summarized as:
# 1 - Concatenate all packets to obtain a string representation of request.
# 2 - Parse the string representation
# 3 - Get the "moves" from the parsing
# 4 - Apply the "moves" to the packets.
sub build_request_from_packets($$$$$) {
my ( $name, $more_headers, $is_chunked, $conn_header, $request_packets ) = @_;
# Concatenate packets as a string
my $parsable_request = '';
my @packet_length;
for my $one_packet (@$request_packets) {
$parsable_request .= $one_packet;
push @packet_length, length($one_packet);
}
# Parse the string representation.
my $parsed_req = parse_request( $name, \$parsable_request );
# Append headers
my $len_header = '';
if ( !$is_chunked
&& defined $parsed_req->{content}
&& $parsed_req->{content} ne ''
&& $more_headers !~ /(?:^|\n)Content-Length:/ )
{
$parsed_req->{content} =~ s/^\s+|\s+$//gs;
$len_header .=
"Content-Length: " . length( $parsed_req->{content} ) . "\r\n";
}
$more_headers =~ s/(?<!\r)\n/\r\n/gs;
my $headers = '';
if ($more_headers !~ /(?:^|\n)Host:/msi) {
$headers .= "Host: $ServerName\r\n";
}
if ($more_headers !~ /(?:^|\n)Connection/msi) {
$headers .= "Connection: $conn_header\r\n";
}
$headers .= "$more_headers$len_header\r\n";
$parsed_req->{method} .= ' ';
$parsed_req->{url} .= ' ';
$parsed_req->{http_ver} .= "\r\n";
$parsed_req->{headers} = $headers;
# Get the moves from parsing
my @elements_moves = get_moves($parsed_req);
# Apply them to the packets.
return apply_moves($request_packets, \@elements_moves);
}
sub parse_more_headers ($) {
my ($in) = @_;
my @headers = split /\n+/, $in;
my $is_chunked;
my $out = '';
for my $header (@headers) {
next if $header =~ /^\s*\#/;
#warn "HEADER: $header";
my ($key, $val) = split /:\s*/, $header, 2;
if (!defined $val) {
$val = '';
}
if (lc($key) eq 'transfer-encoding' and $val eq 'chunked') {
$is_chunked = 1;
}
#warn "[$key, $val]\n";
$out .= "$key: $val\r\n";
}
return $out, $is_chunked;
}
# Returns an array of array of hashes from the block. Each element of
# the first-level array is a request.
# Each request is an array of the "packets" to be sent. Each packet is a
# string to send, with an (optionnal) delay before sending it.
# This function parses (and therefore defines the syntax) of "request*"
# sections. See documentation for supported syntax.
sub get_req_from_block ($) {
my ($block) = @_;
my $name = $block->name;
my @req_list = ();
if (defined $block->raw_request) {
# Should be deprecated.
if (ref $block->raw_request && ref $block->raw_request eq 'ARRAY') {
# User already provided an array. So, he/she specified where the
# data should be split. This allows for backward compatibility but
# should use request with arrays as it provides the same functionnality.
my @rr_list = ();
for my $elt (@{ $block->raw_request }) {
push @rr_list, {value => $elt};
}
push @req_list, \@rr_list;
} else {
push @req_list, [{value => $block->raw_request}];
}
} else {
my $request;
if (defined $block->request_eval) {
diag "$name - request_eval DEPRECATED. Use request eval instead.";
$request = eval $block->request_eval;
if ($@) {
warn $@;
}
} else {
$request = $block->request;
if (defined $request) {
while ($request =~ s/^\s*\#[^\n]+\s+|^\s+//gs) {
# do nothing
}
}
#warn "my req: $request";
}
my $more_headers = $block->more_headers || '';
if ( $block->pipelined_requests ) {
my $reqs = $block->pipelined_requests;
if (!ref $reqs || ref $reqs ne 'ARRAY') {
bail_out(
"$name - invalid entries in --- pipelined_requests");
}
my $i = 0;
my $prq = "";
for my $request (@$reqs) {
$request = expand_env_in_text $request, $name, $Test::Nginx::Util::RandPorts;
my $conn_type;
if ($i == @$reqs - 1) {
$conn_type = 'close';
} else {
$conn_type = 'keep-alive';
}
my ($hdr, $is_chunked);
if (ref $more_headers eq 'ARRAY') {
#warn "Found ", scalar @$more_headers, " entries in --- more_headers.";
$hdr = $more_headers->[$i];
if (!defined $hdr) {
bail_out("--- more_headers lacks data for the $i pipelined request");
}
($hdr, $is_chunked) = parse_more_headers($hdr);
#warn "more headers: $hdr";
} else {
($hdr, $is_chunked) = parse_more_headers($more_headers);
}
my $r_br = build_request_from_packets($name, $hdr,
$is_chunked, $conn_type,
[$request] );
$prq .= $$r_br[0];
$i++;
}
push @req_list, [{value =>$prq}];
} else {
my ($is_chunked, $hdr);
# request section.
if (!ref $request) {
if (ref $more_headers eq 'ARRAY') {
#warn "Found ", scalar @$more_headers, " entries in --- more_headers.";
$hdr = $more_headers->[0];
if (!defined $hdr) {
bail_out("--- more_headers lacks data for the request");
}
($hdr, $is_chunked) = parse_more_headers($hdr);
#warn "more headers: $hdr";
} else {
($hdr, $is_chunked) = parse_more_headers($more_headers);
}
# One request and it is a good old string.
my $r_br = build_request_from_packets($name, $hdr,
$is_chunked, 'close',
[$request] );
push @req_list, [{value => $$r_br[0]}];
} elsif (ref $request eq 'ARRAY') {
# A bunch of requests...
my $i = 0;
for my $one_req (@$request) {
if (ref $more_headers eq 'ARRAY') {
#warn "Found ", scalar @$more_headers, " entries in --- more_headers.";
$hdr = $more_headers->[$i];
if (!defined $hdr) {
bail_out("--- more_headers lacks data for the "
. "${i}th request");
}
($hdr, $is_chunked) = parse_more_headers($hdr);
#warn "more headers: $hdr";
} else {
($hdr, $is_chunked) = parse_more_headers($more_headers);
}
if (!ref $one_req) {
# This request is a good old string.
my $r_br = build_request_from_packets($name, $hdr,
$is_chunked, 'close',
[$one_req] );
push @req_list, [{value => $$r_br[0]}];
} elsif (ref $one_req eq 'ARRAY') {
# Request expressed as a serie of packets
my @packet_array = ();
for my $one_packet (@$one_req) {
if (!ref $one_packet) {
# Packet is a string.
push @packet_array, $one_packet;
} elsif (ref $one_packet eq 'HASH'){
# Packet is a hash with a value...
push @packet_array, $one_packet->{value};
} else {
bail_out "$name - Invalid syntax. $one_packet should be a string or hash with value.";
}
}
my $transformed_packet_array = build_request_from_packets($name, $hdr,
$is_chunked, 'close',
\@packet_array);
my @transformed_req = ();
my $idx = 0;
for my $one_transformed_packet (@$transformed_packet_array) {
if (!ref $$one_req[$idx]) {
push @transformed_req, {value => $one_transformed_packet};
} else {
# Is a HASH (checked above as $one_packet)
$$one_req[$idx]->{value} = $one_transformed_packet;
push @transformed_req, $$one_req[$idx];
}
$idx++;
}
push @req_list, \@transformed_req;
} else {
bail_out "$name - Invalid syntax. $one_req should be a string or an array of packets.";
}
$i++;
}
} else {
bail_out(
"$name - invalid ---request : MUST be string or array of requests");
}
}
}
return \@req_list;
}
sub quote_sh_args ($) {
my ($args) = @_;
for my $arg (@$args) {
if ($arg =~ m{^[- "&%;,|?*.+=\w:/()]*$}) {
if ($arg =~ /[ "&%;,|?*()]/) {
$arg = "'$arg'";
}
next;
}
$arg =~ s/\\/\\\\/g;
$arg =~ s/'/\\'/g;
$arg =~ s/\n/\\n/g;
$arg =~ s/\r/\\r/g;
$arg =~ s/\t/\\t/g;
$arg = "\$'$arg'";
}
return "@$args";
}
sub run_filter_helper($$$) {
my ($block, $filter, $content) = @_;
my $name = $block->name;
if (ref $filter && ref $filter eq 'CODE') {
$content = $filter->($content);
} elsif (!ref $filter) {
for ($filter) {
if ($_ eq 'md5_hex') {
$content = Digest::MD5::md5_hex($content);
} elsif ($_ eq 'sha1_hex') {
$content = Digest::SHA::sha1_hex($content);
} elsif ($_ eq 'uc') {
$content = uc($content);
} elsif ($_ eq 'lc') {
$content = lc($content);
} elsif ($_ eq 'ucfirst') {
$content = ucfirst($content);
} elsif ($_ eq 'lcfirst') {
$content = lcfirst($content);
} elsif ($_ eq 'length') {
$content = length($content);
} else {
bail_out("$name - unknown filter, \"$filter\", "
. "specified in the --- response_body_filters section");
}
}
} else {
bail_out("$name - the --- response_body_filters section "
. "only supports subroutine reference values and string values");
}
return $content;
}
sub run_test_helper ($$) {
my ($block, $dry_run, $repeated_req_idx) = @_;
#warn "repeated req idx: $repeated_req_idx";
my $name = $block->name;
my $r_req_list = get_req_from_block($block);
if ( $#$r_req_list < 0 ) {
bail_out("$name - request empty");
}
if (defined $block->curl) {
my $req = $r_req_list->[0];
my $cmd = gen_curl_cmd_from_req($block, $req);
warn "# ", quote_sh_args($cmd), "\n";
}
if ($CheckLeak) {
$dry_run = "the \"check leak\" testing mode";
}
if ($Benchmark) {
$dry_run = "the \"benchmark\" testing mode";
}
if ($Benchmark && !defined $block->no_check_leak) {
warn "$name\n";
my $req = $r_req_list->[0];
my ($nreqs, $concur);
if ($Benchmark =~ /^\s*(\d+)(?:\s+(\d+))?\s*$/) {
($nreqs, $concur) = ($1, $2);
}
if ($BenchmarkWarmup) {
my $cmd = gen_ab_cmd_from_req($block, $req, $BenchmarkWarmup, $concur);
warn "Warming up with $BenchmarkWarmup requests...\n";
system @$cmd;
}
my $cmd = gen_ab_cmd_from_req($block, $req, $nreqs, $concur);
$cmd = quote_sh_args($cmd);
warn "$cmd\n";
system "unbuffer $cmd > /dev/stderr";
}
if ($CheckLeak && !defined $block->no_check_leak) {
warn "$name\n";
my $req = $r_req_list->[0];
my $cmd = gen_ab_cmd_from_req($block, $req);
# start a sub-process to run ab or weighttp
my $pid = fork();
if (!defined $pid) {
bail_out("$name - fork() failed: $!");
} elsif ($pid == 0) {
# child process
exec @$cmd;
} else {
# main process
$Test::Nginx::Util::ChildPid = $pid;
sleep(1);
my $ngx_pid = get_pid_from_pidfile($name);
if ($PrevNginxPid && $ngx_pid) {
my $i = 0;
while ($ngx_pid == $PrevNginxPid) {
sleep 0.01;
$ngx_pid = get_pid_from_pidfile($name);
if (++$i > 1000) {
bail_out("nginx cannot be started");
}
}
}
$PrevNginxPid = $ngx_pid;
my @rss_list;
for (my $i = 0; $i < $CheckLeakCount; $i++) {
sleep 0.02;
my $out = `ps -eo pid,rss|grep $ngx_pid`;
if ($? != 0 && !is_running($ngx_pid)) {
if (is_running($pid)) {
kill(SIGKILL, $pid);
waitpid($pid, 0);
}
my $tb = Test::More->builder;
$tb->no_ending(1);
Test::More::fail("$name - the nginx process $ngx_pid is gone");
last;
}
my @lines = grep { $_->[0] eq $ngx_pid }
map { s/^\s+|\s+$//g; [ split /\s+/, $_ ] }
split /\n/, $out;
if (@lines == 0) {
last;
}
if (@lines > 1) {
warn "Bad ps output: \"$out\"\n";
next;
}
my $ln = shift @lines;
push @rss_list, $ln->[1];
}
#if ($Test::Nginx::Util::Verbose) {
warn "LeakTest: [@rss_list]\n";
#}
if (@rss_list == 0) {
warn "LeakTest: k=N/A\n";
} else {
my $k = get_linear_regression_slope(\@rss_list);
warn "LeakTest: k=$k\n";
#$k = get_linear_regression_slope([1 .. 100]);
#warn "K = $k (1 expected)\n";
#$k = get_linear_regression_slope([map { $_ * 2 } 1 .. 100]);
#warn "K = $k (2 expected)\n";
}
if (is_running($pid)) {
kill(SIGKILL, $pid);
waitpid($pid, 0);
}
}
}
#warn "request: $req\n";
my $timeout = parse_time($block->timeout);
if ( !defined $timeout ) {
$timeout = timeout();
}
my $res;
my $req_idx = 0;
my ($n, $need_array);
for my $one_req (@$r_req_list) {
my ($raw_resp, $head_req);
if ($dry_run) {
$raw_resp = "200 OK HTTP/1.0\r\nContent-Length: 0\r\n\r\n";
} else {
($raw_resp, $head_req) = send_request( $one_req, $block->raw_request_middle_delay,
$timeout, $block );
}
#warn "raw resonse: [$raw_resp]\n";
if ($block->pipelined_requests) {
$n = @{ $block->pipelined_requests };
$need_array = 1;
} else {
$need_array = $#$r_req_list > 0;
}
again:
if ($Test::Nginx::Util::Verbose) {
warn "!!! resp: [$raw_resp]";
}
if (!defined $raw_resp) {
$raw_resp = '';
}
my ( $raw_headers, $left );
if (!defined $block->ignore_response) {
if ($Test::Nginx::Util::Verbose) {
warn "parse response\n";
}
if (defined $block->http09) {
$res = HTTP::Response->new(200, "OK", [], $raw_resp);
$raw_headers = '';
} else {
( $res, $raw_headers, $left ) = parse_response( $name, $raw_resp, $head_req );
}
}
if (!$n) {
if ($left) {
my $name = $block->name;
$left =~ s/([\0-\037\200-\377])/sprintf('\x{%02x}',ord $1)/eg;
warn "WARNING: $name - unexpected extra bytes after last chunk in ",
"response: \"$left\"\n";
}
} else {
$raw_resp = $left;
$n--;
}
if (!defined $block->ignore_response) {
check_error_code($block, $res, $dry_run, $req_idx, $need_array);
check_raw_response_headers($block, $raw_headers, $dry_run, $req_idx, $need_array);
check_response_headers($block, $res, $raw_headers, $dry_run, $req_idx, $need_array);
transform_response_body($block, $res, $req_idx);
check_response_body($block, $res, $dry_run, $req_idx, $repeated_req_idx, $need_array);
}
if ($n || $req_idx < @$r_req_list - 1) {
if ($block->wait) {
sleep($block->wait);
}
check_error_log($block, $res, $dry_run, $repeated_req_idx, $need_array);
if (!defined $block->ignore_response) {
check_access_log($block, $dry_run, $repeated_req_idx);
}
}
$req_idx++;
if ($n) {
goto again;
}
}
if ($block->wait) {
sleep($block->wait);
}
if ($Test::Nginx::Util::Verbose) {
warn "Testing stap...\n";
}
test_stap($block, $dry_run);
check_error_log($block, $res, $dry_run, $repeated_req_idx, $need_array);
if (!defined $block->ignore_response) {
check_access_log($block, $dry_run, $repeated_req_idx);
}
}
sub test_stap ($$) {
my ($block, $dry_run) = @_;
return if !$block->{stap};
my $name = $block->name;
my $reason;
if ($dry_run) {
$reason = "the lack of directive $dry_run";
}
if (!$UseStap) {
$dry_run = 1;
$reason ||= "env TEST_NGINX_USE_STAP is not set";
}
my $fname = stap_out_fname();
if ($fname && ($fname eq '/dev/stdout' || $fname eq '/dev/stderr')) {
$dry_run = 1;
$reason ||= "TEST_NGINX_TAP_OUT is set to $fname";
}
my $stap_out = $block->stap_out;
my $stap_out_like = $block->stap_out_like;
my $stap_out_unlike = $block->stap_out_unlike;
SKIP: {
skip "$name - stap_out - tests skipped due to $reason", 1 if $dry_run;
my $fh = stap_out_fh();
if (!$fh) {
bail_out("no stap output file handle found");
}
my $out = '';
for (1..2) {
if (sleep_time() < 0.2) {
sleep 0.2;
} else {
sleep sleep_time();
}
while (<$fh>) {
$out .= $_;
}
if ($out) {
last;
}
}
if ($Test::Nginx::Util::Verbose) {
warn "stap out: $out\n";
}
if (defined $stap_out) {
if ($NoLongString) {
is($out, $block->stap_out, "$name - stap output expected");
} else {
is_string($out, $block->stap_out, "$name - stap output expected");
}
}
if (defined $stap_out_like) {
like($out || '', qr/$stap_out_like/sm,
"$name - stap output should match the pattern");
}
if (defined $stap_out_unlike) {
unlike($out || '', qr/$stap_out_unlike/sm,
"$name - stap output should not match the pattern");
}
}
}
# Helper function to retrieve a "check" (e.g. error_code) section. This also
# checks that tests with arrays of requests are arrays themselves.
sub get_indexed_value($$$$) {
my ($name, $value, $req_idx, $need_array) = @_;
if ($need_array) {
if (ref $value && ref $value eq 'ARRAY') {
return $$value[$req_idx];
}
bail_out("$name - You asked for many requests, the expected results should be arrays as well.");
} else {
# One element but still provided as an array.
if (ref $value && ref $value eq 'ARRAY') {
if ($req_idx != 0) {
bail_out("$name - SHOULD NOT HAPPEN: idx != 0 and don't need array.");
}
return $$value[0];
}
return $value;
}
}
sub check_error_code ($$$$$) {
my ($block, $res, $dry_run, $req_idx, $need_array) = @_;
my $name = $block->name;
SKIP: {
skip "$name - tests skipped due to $dry_run", 1 if $dry_run;
if ( defined $block->error_code_like ) {
my $val = get_indexed_value($name, $block->error_code_like, $req_idx, $need_array);
like( ($res && $res->code) || '',
qr/$val/sm,
"$name - status code ok" );
} elsif ( defined $block->error_code ) {
is( ($res && $res->code) || '',
get_indexed_value($name, $block->error_code, $req_idx, $need_array),
"$name - status code ok" );
} else {
is( ($res && $res->code) || '', 200, "$name - status code ok" );
}
}
}
sub check_raw_response_headers($$$$$) {
my ($block, $raw_headers, $dry_run, $req_idx, $need_array) = @_;
my $name = $block->name;
if (defined $block->raw_response_headers_like) {
SKIP: {
skip "$name - raw_response_headers_like - tests skipped due to $dry_run", 1 if $dry_run;
my $expected = get_indexed_value($name,
$block->raw_response_headers_like,
$req_idx,
$need_array);
like $raw_headers, qr/$expected/s, "$name - raw resp headers like";
}
}
if (defined $block->raw_response_headers_unlike) {
SKIP: {
skip "$name - raw_response_headers_unlike - tests skipped due to $dry_run", 1 if $dry_run;
my $expected = get_indexed_value($name,
$block->raw_response_headers_unlike,
$req_idx,
$need_array);
unlike $raw_headers, qr/$expected/s, "$name - raw resp headers unlike";
}
}
}
sub check_response_headers($$$$$) {
my ($block, $res, $raw_headers, $dry_run, $req_idx, $need_array) = @_;
my $name = $block->name;
if ( defined $block->response_headers ) {
my $headers = parse_headers( get_indexed_value($name,
$block->response_headers,
$req_idx,
$need_array));
while ( my ( $key, $val ) = each %$headers ) {
if ( !defined $val ) {
#warn "HIT";
SKIP: {
skip "$name - response_headers - tests skipped due to $dry_run", 1 if $dry_run;
unlike $raw_headers, qr/^\s*\Q$key\E\s*:/ms,
"$name - header $key not present in the raw headers";
}
next;