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package App::Prove::State; use strict; use warnings; use File::Find; use File::Spec; use Carp; use App::Prove::State::Result; use TAP::Parser::YAMLish::Reader (); use TAP::Parser::YAMLish::Writer (); use base 'TAP::Base'; BEGIN { __PACKAGE__->mk_methods('result_class'); } use constant IS_WIN32 => ( $^O =~ /^(MS)?Win32$/ ); use constant NEED_GLOB => IS_WIN32; =head1 NAME App::Prove::State - State storage for the C<prove> command. =head1 VERSION Version 3.42 =cut our $VERSION = '3.42'; =head1 DESCRIPTION The C<prove> command supports a C<--state> option that instructs it to store persistent state across runs. This module implements that state and the operations that may be performed on it. =head1 SYNOPSIS # Re-run failed tests $ prove --state=failed,save -rbv =cut =head1 METHODS =head2 Class Methods =head3 C<new> Accepts a hashref with the following key/value pairs: =over 4 =item * C<store> The filename of the data store holding the data that App::Prove::State reads. =item * C<extensions> (optional) The test name extensions. Defaults to C<.t>. =item * C<result_class> (optional) The name of the C<result_class>. Defaults to C<App::Prove::State::Result>. =back =cut # override TAP::Base::new: sub new { my $class = shift; my %args = %{ shift || {} }; my $self = bless { select => [], seq => 1, store => delete $args{store}, extensions => ( delete $args{extensions} || ['.t'] ), result_class => ( delete $args{result_class} || 'App::Prove::State::Result' ), }, $class; $self->{_} = $self->result_class->new( { tests => {}, generation => 1, } ); my $store = $self->{store}; $self->load($store) if defined $store && -f $store; return $self; } =head2 C<result_class> Getter/setter for the name of the class used for tracking test results. This class should either subclass from C<App::Prove::State::Result> or provide an identical interface. =cut =head2 C<extensions> Get or set the list of extensions that files must have in order to be considered tests. Defaults to ['.t']. =cut sub extensions { my $self = shift; $self->{extensions} = shift if @_; return $self->{extensions}; } =head2 C<results> Get the results of the last test run. Returns a C<result_class()> instance. =cut sub results { my $self = shift; $self->{_} || $self->result_class->new; } =head2 C<commit> Save the test results. Should be called after all tests have run. =cut sub commit { my $self = shift; if ( $self->{should_save} ) { $self->save; } } =head2 Instance Methods =head3 C<apply_switch> $self->apply_switch('failed,save'); Apply a list of switch options to the state, updating the internal object state as a result. Nothing is returned. Diagnostics: - "Illegal state option: %s" =over =item C<last> Run in the same order as last time =item C<failed> Run only the failed tests from last time =item C<passed> Run only the passed tests from last time =item C<all> Run all tests in normal order =item C<hot> Run the tests that most recently failed first =item C<todo> Run the tests ordered by number of todos. =item C<slow> Run the tests in slowest to fastest order. =item C<fast> Run test tests in fastest to slowest order. =item C<new> Run the tests in newest to oldest order. =item C<old> Run the tests in oldest to newest order. =item C<save> Save the state on exit. =back =cut sub apply_switch { my $self = shift; my @opts = @_; my $last_gen = $self->results->generation - 1; my $last_run_time = $self->results->last_run_time; my $now = $self->get_time; my @switches = map { split /,/ } @opts; my %handler = ( last => sub { $self->_select( limit => shift, where => sub { $_->generation >= $last_gen }, order => sub { $_->sequence } ); }, failed => sub { $self->_select( limit => shift, where => sub { $_->result != 0 }, order => sub { -$_->result } ); }, passed => sub { $self->_select( limit => shift, where => sub { $_->result == 0 } ); }, all => sub { $self->_select( limit => shift ); }, todo => sub { $self->_select( limit => shift, where => sub { $_->num_todo != 0 }, order => sub { -$_->num_todo; } ); }, hot => sub { $self->_select( limit => shift, where => sub { defined $_->last_fail_time }, order => sub { $now - $_->last_fail_time } ); }, slow => sub { $self->_select( limit => shift, order => sub { -$_->elapsed } ); }, fast => sub { $self->_select( limit => shift, order => sub { $_->elapsed } ); }, new => sub { $self->_select( limit => shift, order => sub { -$_->mtime } ); }, old => sub { $self->_select( limit => shift, order => sub { $_->mtime } ); }, fresh => sub { $self->_select( limit => shift, where => sub { $_->mtime >= $last_run_time } ); }, save => sub { $self->{should_save}++; }, adrian => sub { unshift @switches, qw( hot all save ); }, ); while ( defined( my $ele = shift @switches ) ) { my ( $opt, $arg ) = ( $ele =~ /^([^:]+):(.*)/ ) ? ( $1, $2 ) : ( $ele, undef ); my $code = $handler{$opt} || croak "Illegal state option: $opt"; $code->($arg); } return; } sub _select { my ( $self, %spec ) = @_; push @{ $self->{select} }, \%spec; } =head3 C<get_tests> Given a list of args get the names of tests that should run =cut sub get_tests { my $self = shift; my $recurse = shift; my @argv = @_; my %seen; my @selected = $self->_query; unless ( @argv || @{ $self->{select} } ) { @argv = $recurse ? '.' : 't'; croak qq{No tests named and '@argv' directory not found} unless -d $argv[0]; } push @selected, $self->_get_raw_tests( $recurse, @argv ) if @argv; return grep { !$seen{$_}++ } @selected; } sub _query { my $self = shift; if ( my @sel = @{ $self->{select} } ) { warn "No saved state, selection will be empty\n" unless $self->results->num_tests; return map { $self->_query_clause($_) } @sel; } return; } sub _query_clause { my ( $self, $clause ) = @_; my @got; my $results = $self->results; my $where = $clause->{where} || sub {1}; # Select for my $name ( $results->test_names ) { next unless -f $name; local $_ = $results->test($name); push @got, $name if $where->(); } # Sort if ( my $order = $clause->{order} ) { @got = map { $_->[0] } sort { ( defined $b->[1] <=> defined $a->[1] ) || ( ( $a->[1] || 0 ) <=> ( $b->[1] || 0 ) ) } map { [ $_, do { local $_ = $results->test($_); $order->() } ] } @got; } if ( my $limit = $clause->{limit} ) { @got = splice @got, 0, $limit if @got > $limit; } return @got; } sub _get_raw_tests { my $self = shift; my $recurse = shift; my @argv = @_; my @tests; # Do globbing on Win32. if (NEED_GLOB) { eval "use File::Glob::Windows"; # [49732] @argv = map { glob "$_" } @argv; } my $extensions = $self->{extensions}; for my $arg (@argv) { if ( '-' eq $arg ) { push @argv => <STDIN>; chomp(@argv); next; } push @tests, sort -d $arg ? $recurse ? $self->_expand_dir_recursive( $arg, $extensions ) : map { glob( File::Spec->catfile( $arg, "*$_" ) ) } @{$extensions} : $arg; } return @tests; } sub _expand_dir_recursive { my ( $self, $dir, $extensions ) = @_; my @tests; my $ext_string = join( '|', map {quotemeta} @{$extensions} ); find( { follow => 1, #21938 follow_skip => 2, wanted => sub { -f && /(?:$ext_string)$/ && push @tests => $File::Find::name; } }, $dir ); return @tests; } =head3 C<observe_test> Store the results of a test. =cut # Store: # last fail time # last pass time # last run time # most recent result # most recent todos # total failures # total passes # state generation # parser sub observe_test { my ( $self, $test_info, $parser ) = @_; my $name = $test_info->[0]; my $fail = scalar( $parser->failed ) + ( $parser->has_problems ? 1 : 0 ); my $todo = scalar( $parser->todo ); my $start_time = $parser->start_time; my $end_time = $parser->end_time, my $test = $self->results->test($name); $test->sequence( $self->{seq}++ ); $test->generation( $self->results->generation ); $test->run_time($end_time); $test->result($fail); $test->num_todo($todo); $test->elapsed( $end_time - $start_time ); $test->parser($parser); if ($fail) { $test->total_failures( $test->total_failures + 1 ); $test->last_fail_time($end_time); } else { $test->total_passes( $test->total_passes + 1 ); $test->last_pass_time($end_time); } } =head3 C<save> Write the state to a file. =cut sub save { my ($self) = @_; my $store = $self->{store} or return; $self->results->last_run_time( $self->get_time ); my $writer = TAP::Parser::YAMLish::Writer->new; local *FH; open FH, ">$store" or croak "Can't write $store ($!)"; $writer->write( $self->results->raw, \*FH ); close FH; } =head3 C<load> Load the state from a file =cut sub load { my ( $self, $name ) = @_; my $reader = TAP::Parser::YAMLish::Reader->new; local *FH; open FH, "<$name" or croak "Can't read $name ($!)"; # XXX this is temporary $self->{_} = $self->result_class->new( $reader->read( sub { my $line = <FH>; defined $line && chomp $line; return $line; } ) ); # $writer->write( $self->{tests} || {}, \*FH ); close FH; $self->_regen_seq; $self->_prune_and_stamp; $self->results->generation( $self->results->generation + 1 ); } sub _prune_and_stamp { my $self = shift; my $results = $self->results; my @tests = $self->results->tests; for my $test (@tests) { my $name = $test->name; if ( my @stat = stat $name ) { $test->mtime( $stat[9] ); } else { $results->remove($name); } } } sub _regen_seq { my $self = shift; for my $test ( $self->results->tests ) { $self->{seq} = $test->sequence + 1 if defined $test->sequence && $test->sequence >= $self->{seq}; } } 1;