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.IX Title "Dist::Zilla::Util::Test::KENTNL::dztest 3pm"
.TH Dist::Zilla::Util::Test::KENTNL::dztest 3pm "2015-10-19" "perl v5.20.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Dist::Zilla::Util::Test::KENTNL::dztest \- Shared dist testing logic for easy dzil things
.SH "VERSION"
.IX Header "VERSION"
version 1.005013
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 3
\&  use Test::More;
\&  use Test::DZil qw( simple_ini );
\&  use Dist::Zilla::Util::Test::KENTNL qw( dztest );
\&
\&  my $test = dztest;
\&
\&  ## utility method.
\&  $test\->add_file( \*(Aqdist.ini\*(Aq, simple_ini( .... ));
\&
\&  ## build the dist
\&  # 1x subtest
\&  $test\->build_ok;
\&
\&  ## assert prereqs are identical to the hash
\&  ## extracting them from distmeta
\&  # 1x subtest
\&  $test\->prereqs_deeply( { } );
\&
\&  ## Test for specific log messages by regex
\&  # 1x subtest
\&  #  \- tests there are messages
\&  #  \- each regex must match a message
\&  my @list = (
\&    [ $regex, $indepdent_reason ],
\&    [ $regex ],
\&  );
\&  $test\->has_messages( $reason, \e@list );
\&
\&  ## Test for any deep structure addressed
\&  ## By a Data::DPath expression
\&  # 1x subtest
\&  #   \- asserts the expression returns a result
\&  #   \- compares the structure against the expected one.
\&  $test\->meta_path_deeply(
\&      \*(Aq/author/*/[1]\*(Aq,
\&      [ \*(AqE. Xavier Ample <example@example.org>\*(Aq ],
\&      \*(AqThe 1st author is the example author emitted by simple_ini\*(Aq
\&  );
\&
\&  ## Test for a file existing on the build side
\&  ## and return it if it exists.
\&  my $file = $test\->test_has_built_file(\*(Aqdist.ini\*(Aq);
.Ve
.SH "METHODS"
.IX Header "METHODS"
.ie n .SS """add_file"""
.el .SS "\f(CWadd_file\fP"
.IX Subsection "add_file"
Add a file to the scratch directory to be built.
.PP
.Vb 5
\&  # \->add_file( $path, $string );
\&  # \->add_file( \e@path, $string );
\&  $test\->add_file(\*(Aqdist.ini\*(Aq, simple_ini() );
\&  $test\->add_file(\*(Aqlib/Foo.pm\*(Aq, $content );
\&  $test\->add_file([ \*(Aqlib\*(Aq,\*(AqFoo.pm\*(Aq ], $content );
.Ve
.ie n .SS """build_ok"""
.el .SS "\f(CWbuild_ok\fP"
.IX Subsection "build_ok"
Build the dist safely, and report \f(CW\*(C`ok\*(C'\fR if the dist builds \f(CW\*(C`ok\*(C'\fR, spewing file listings via \f(CW\*(C`note\*(C'\fR
.PP
\&\f(CW\*(C`BAIL_OUT\*(C'\fR is triggered if any of \f(CW\*(C`add_file\*(C'\fR don't arrive in the intended location.
.ie n .SS """prereqs_deeply"""
.el .SS "\f(CWprereqs_deeply\fP"
.IX Subsection "prereqs_deeply"
Demand \f(CW\*(C`distmeta\*(C'\fR \f(CW\*(C`prereqs\*(C'\fR exactly match those specified.
.PP
.Vb 1
\&  $test\->prereqs_deeply( { hash } );
.Ve
.PP
This is just a more memorable version of
.PP
.Vb 1
\&  $test\->meta_path_deeply(\*(Aq/prereqs/\*(Aq, { });
.Ve
.ie n .SS """has_messages"""
.el .SS "\f(CWhas_messages\fP"
.IX Subsection "has_messages"
Test that there are messages, and all the given rules match messages.
.PP
.Vb 4
\&  $test\->has_messages( \*(AqSome descriptor\*(Aq, [
\&     [ $regex, $description ],
\&     [ $regex, $description ],
\&  ]);
.Ve
.ie n .SS """meta_path_deeply"""
.el .SS "\f(CWmeta_path_deeply\fP"
.IX Subsection "meta_path_deeply"
.Vb 1
\&  $test\->meta_path_deeply( $expression, $expected_data, $reason );
.Ve
.PP
Uses \f(CW$expression\fR as a \f(CW\*(C`Data::DPath\*(C'\fR expression to pick a \fI\s-1LIST\s0\fR of nodes
from \f(CW\*(C`distmeta\*(C'\fR, and compare that \fI\s-1LIST\s0\fR vs \f(CW$expected_data\fR
.PP
.Vb 2
\&  # Matches only the first author.
\&  $test\->meta_path_deeply(\*(Aq/author/*/[1]\*(Aq, [\*(AqSomeAuthorName <wadef@wath>\*(Aq], $reason );
\&
\&  # Matches all authors
\&  $test\->meta_path_deeply(\*(Aq/author/*/*\*(Aq, [\*(AqSomeAuthorName <wadef@wath>\*(Aq,\*(AqAuthor2\*(Aq, ..], $reason );
.Ve
.ie n .SS """test_has_built_file"""
.el .SS "\f(CWtest_has_built_file\fP"
.IX Subsection "test_has_built_file"
Test ( as in, \f(CW\*(C`Test::More::ok\*(C'\fR ) that a file exists in the \f(CW\*(C`dzil\*(C'\fR build output directory.
.PP
Also returns it if it exists.
.PP
.Vb 1
\&  $test\->test_has_built_file(\*(Aqdist.ini\*(Aq);  # ok/fail
\&
\&  my $object = test\->test_has_built_file(\*(Aqdist.ini\*(Aq); # ok/fail + return
.Ve
.ie n .SS """create_plugin"""
.el .SS "\f(CWcreate_plugin\fP"
.IX Subsection "create_plugin"
Create an instance of the named plugin and return it.
.PP
.Vb 4
\&  my $t = dztest();
\&  $t\->add_file(\*(Aqdist.ini\*(Aq, simple_ini( ... ));
\&  my $plugin = $t\->create_plugin(\*(AqGatherDir\*(Aq => { ignore_dotfiles => 1 });
\&  # poke at $plugin here
.Ve
.PP
Note: This lets you test plugins outside the requirement of inter-operating
with \f(CW\*(C`dzil\*(C'\fR phases, but has the downside of not interacting with \f(CW\*(C`dzil\*(C'\fR phases,
or even being \fI*seen*\fR by \f(CW\*(C`dzil\*(C'\fR phases.
.PP
But this is \s-1OK\s0 if you want to directly test a modules interface instead of doing
it through the proxy of \f(CW\*(C`dzil\*(C'\fR
.PP
You can also subsequently create many such objects without requiring a \f(CW\*(C`dzil build\*(C'\fR penalty.
.ie n .SS """source_file"""
.el .SS "\f(CWsource_file\fP"
.IX Subsection "source_file"
Re-fetch content added with \f(CW\*(C`add_file\*(C'\fR.
.PP
You probably want \f(CW\*(C`built_file\*(C'\fR.
.PP
.Vb 2
\&  $test\->source_file( $path  );
\&  $test\->source_file( \e@path );
.Ve
.PP
Returns \f(CW\*(C`undef\*(C'\fR if the file does not exist.
.PP
.Vb 3
\&  if ( my $content = $test\->source_file(\*(Aqdist.ini\*(Aq) ) {
\&    print $content\->slurp_raw;
\&  }
.Ve
.ie n .SS """safe_build"""
.el .SS "\f(CWsafe_build\fP"
.IX Subsection "safe_build"
Ensure the distribution is built safely, returns exceptions or \f(CW\*(C`undef\*(C'\fR.
.PP
.Vb 3
\&  if ( $test\->safe_build ) {
\&    say "Failed build";
\&  }
.Ve
.ie n .SS """safe_configure"""
.el .SS "\f(CWsafe_configure\fP"
.IX Subsection "safe_configure"
Construct the internal builder object safely. Returns exceptions or \f(CW\*(C`undef\*(C'\fR.
.PP
.Vb 1
\&  if( $test\->configure ) { say "configure failed" }
.Ve
.ie n .SS """built_file"""
.el .SS "\f(CWbuilt_file\fP"
.IX Subsection "built_file"
Returns the named file if it exists in the build, \f(CW\*(C`undef\*(C'\fR otherwise.
.PP
.Vb 1
\&  my $file = $test\->built_file(\*(Aqdist.ini\*(Aq);
.Ve
.ie n .SS """note_tempdir_files"""
.el .SS "\f(CWnote_tempdir_files\fP"
.IX Subsection "note_tempdir_files"
Recursively walk \f(CW\*(C`tempdir\*(C'\fR and note its contents.
.ie n .SS """note_builddir_files"""
.el .SS "\f(CWnote_builddir_files\fP"
.IX Subsection "note_builddir_files"
Recursively walk \f(CW\*(C`builddir\*(C'\fR(output) and note its contents.
.ie n .SS """has_message"""
.el .SS "\f(CWhas_message\fP"
.IX Subsection "has_message"
Assert there are messages, and this single message exists:
.PP
.Vb 1
\&  $test\->has_message( $regex, $description );
.Ve
.ie n .SS """run_command"""
.el .SS "\f(CWrun_command\fP"
.IX Subsection "run_command"
Execute a Dist::Zilla command in the constructed scratch directory.
.PP
.Vb 1
\&  $test\->run_command([\*(Aqbuild\*(Aq,\*(Aqfoo\*(Aq]);
.Ve
.PP
The syntax is technically:
.PP
.Vb 1
\&  $test\->run_command( $argv, $arg );
.Ve
.PP
But I'm yet to work out the meaning of the latter.
.SH "ATTRIBUTES"
.IX Header "ATTRIBUTES"
.ie n .SS """configure"""
.el .SS "\f(CWconfigure\fP"
.IX Subsection "configure"
Construct the internal builder object.
.PP
.Vb 1
\&  $test\->configure;
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
Kent Fredric <kentnl@cpan.org>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This software is copyright (c) 2015 by Kent Fredric <kentnl@cpan.org>.
.PP
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.