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Diffstat (limited to 'tests/convsrctest.pl.in')
| -rwxr-xr-x | tests/convsrctest.pl.in | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/tests/convsrctest.pl.in b/tests/convsrctest.pl.in new file mode 100755 index 000000000..0fca802ba --- /dev/null +++ b/tests/convsrctest.pl.in @@ -0,0 +1,255 @@ +#!AWKPERL +#*************************************************************************** +# _ _ ____ _ +# Project ___| | | | _ \| | +# / __| | | | |_) | | +# | (__| |_| | _ <| |___ +# \___|\___/|_| \_\_____| +# +# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al. +# +# This software is licensed as described in the file COPYING, which +# you should have received as part of this distribution. The terms +# are also available at https://curl.se/docs/copyright.html. +# +# You may opt to use, copy, modify, merge, publish, distribute and/or sell +# copies of the Software, and permit persons to whom the Software is +# furnished to do so, under the terms of the COPYING file. +# +# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY +# KIND, either express or implied. +# +#*************************************************************************** + +#======================================================================= +# Read a test definition which exercises curl's --libcurl option. +# Generate either compilable source code for a new test tool, +# or a new test definition which runs the tool and expects the +# same output. +# This should verify that the --libcurl code really does perform +# the same actions as the original curl invocation. +#----------------------------------------------------------------------- +# The output of curl's --libcurl option differs in several ways from +# the code needed to integrate with the test tool environment: +# - #include "test.h" +# - no call of curl_global_init & curl_global_cleanup +# - main() function vs. test() function +# - no checking of curl_easy_setopt calls vs. test_setopt wrapper +# - handling of stdout +# - variable names ret & hnd vs. res & curl +# - URL as literal string vs. passed as argument +#======================================================================= +use strict; +require "getpart.pm"; + +# Boilerplate code for test tool +my $head = +'#include "test.h" +#include "memdebug.h" + +int test(char *URL) +{ + CURLcode res; + CURL *curl; +'; +# Other declarations from --libcurl come here +# e.g. curl_slist +my $init = +' + if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) { + fprintf(stderr, "curl_global_init() failed\n"); + return TEST_ERR_MAJOR_BAD; + } + + if ((curl = curl_easy_init()) == NULL) { + fprintf(stderr, "curl_easy_init() failed\n"); + curl_global_cleanup(); + return TEST_ERR_MAJOR_BAD; + } +'; +# Option setting, perform and cleanup come here +my $exit = +' curl_global_cleanup(); + + return (int)res; +} +'; + +my $myname = leaf($0); +sub usage {die "Usage: $myname -c|-test=num testfile\n";} + +sub main { + @ARGV == 2 + or usage; + my($opt,$testfile) = @ARGV; + + if(loadtest($testfile)) { + die "$myname: $testfile doesn't look like a test case\n"; + } + + my $comment = sprintf("DO NOT EDIT - generated from %s by %s", + leaf($testfile), $myname); + if($opt eq '-c') { + generate_c($comment); + } + elsif(my($num) = $opt =~ /^-test=(\d+)$/) { + generate_test($comment, $num); + } + else { + usage; + } +} + +sub generate_c { + my($comment) = @_; + # Fetch the generated code, which is the output file checked by + # the old test. + my @libcurl = getpart("verify", "file") + or die "$myname: no <verify><file> section found\n"; + + # Mangle the code into a suitable form for a test tool. + # We want to extract the important parts (declarations, + # URL, setopt calls, cleanup code) from the --libcurl + # boilerplate and insert them into a new boilerplate. + my(@decl,@code); + # First URL passed in as argument, others as global + my @urlvars = ('URL', 'libtest_arg2', 'libtest_arg3'); + my($seen_main,$seen_setopt,$seen_return); + foreach (@libcurl) { + # Check state changes first (even though it + # duplicates some matches) so that the other tests + # are in a logical order). + if(/^int main/) { + $seen_main = 1; + } + if($seen_main and /curl_easy_setopt/) { + # Don't match 'curl_easy_setopt' in comment! + $seen_setopt = 1; + } + if(/^\s*return/) { + $seen_return = 1; + } + + # Now filter the code according to purpose + if(! $seen_main) { + next; + } + elsif(! $seen_setopt) { + if(/^\s*(int main|\{|CURLcode |CURL |hnd = curl_easy_init)/) { + # Initialisations handled by boilerplate + next; + } + else { + push @decl, $_; + } + } + elsif(! $seen_return) { + if(/CURLOPT_URL/) { + # URL is passed in as argument or by global + my $var = shift @urlvars; + s/\"[^\"]*\"/$var/; + } + s/\bhnd\b/curl/; + # Convert to macro wrapper + s/curl_easy_setopt/test_setopt/; + if(/curl_easy_perform/) { + s/\bret\b/res/; + push @code, $_; + push @code, "test_cleanup:\n"; + } + else { + push @code, $_; + } + } + } + + print ("/* $comment */\n", + $head, + @decl, + $init, + @code, + $exit); +} + +# Read the original test data file and transform it +# - add a "DO NOT EDIT comment" +# - replace CURLOPT_URL string with URL variable +# - remove <verify><file> section (was the --libcurl output) +# - insert a <client><tool> section with our new C program name +# - replace <client><command> section with the URL +sub generate_test { + my($comment,$newnumber) = @_; + my @libcurl = getpart("verify", "file") + or die "$myname: no <verify><file> section found\n"; + # Scan the --libcurl code to find the URL used. + my $url; + foreach (@libcurl) { + if(my($u) = /CURLOPT_URL, \"([^\"]*)\"/) { + $url = $u; + } + } + die "$myname: CURLOPT_URL not found\n" + unless defined $url; + + # Traverse the pseudo-XML transforming as required + my @new; + my(@path,$path,$skip); + foreach (getall()) { + if(my($end) = /\s*<(\/?)testcase>/) { + push @new, $_; + push @new, "# $comment\n" + unless $end; + } + elsif(my($tag) = /^\s*<(\w+)/) { + push @path, $tag; + $path = join '/', @path; + if($path eq 'verify/file') { + $skip = 1; + } + push @new, $_ + unless $skip; + if($path eq 'client') { + push @new, ("<tool>\n", + "lib$newnumber\n", + "</tool>\n"); + } + elsif($path eq 'client/command') { + push @new, sh_quote($url)."\n"; + } + } + elsif(my($etag) = /^\s*<\/(\w+)/) { + my $tag = pop @path; + die "$myname: mismatched </$etag>\n" + unless $tag eq $etag; + push @new, $_ + unless $skip; + $skip -- + if $path eq 'verify/file'; + $path = join '/', @path; + } + else { + if($path eq 'client/command') { + # Replaced above + } + else { + push @new, $_ + unless $skip; + } + } + } + print @new; +} + +sub leaf { + # Works for POSIX filenames + (my $path = shift) =~ s!.*/!!; + return $path; +} + +sub sh_quote { + my $word = shift; + $word =~ s/[\$\"\'\\]/\\$&/g; + return '"' . $word . '"'; +} + +main; |