File: prefetch.t

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libtangram-perl 2.07-1
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#!/usr/bin/perl -ws

use strict;
use lib "..";

# command line parameters - see perlrun (-s switch)
use vars qw($debug);

use Test::More tests => 99;

use lib "t";
use Springfield qw(%id stdpop leaked @kids @opinions);

my $tests = {(
	      "IntrArray" => [ 1, "ia_children", "NaturalPerson", ],
	      "Array"     => [ 0, "children",    "NaturalPerson", ],
	      "Hash"      => [ 0, "h_opinions",  "Opinion",       ],
	      #"IntrHash"  => [ 1, "ih_opinions", "Opinion",       ],
	      "Set"       => [ 0, "s_children",  "NaturalPerson", ],
	      "IntrSet"   => [ 1, "is_children", "NaturalPerson", ],
	      "DiffIntrArray" => [ 1, "ia_opinions", "Opinion", ],
	      "DiffArray" => [ 0, "a_opinions", "Opinion", ],
	      "DiffIntrSet" => [ 1, "is_opinions", "Opinion", ],
	      "DiffSet" => [ 0, "s_opinions", "Opinion", ],
	     )};
while (my ($test_name, $data) = each %$tests) {
    my ($intrusive, $children, $class) = @{ $data };
    #diag("Running test $test_name");
    test_prefetch($test_name, $intrusive, $children, $class);
}

sub test_prefetch {
    my ($test_name, $intrusive, $children, $class) = (@_);

    stdpop($children);

    for my $do_prefetch (0..1) {

	# Check that the test is valid:
	{
	    my $storage = Springfield::connect;

	    #local($Tangram::TRACE) = \*STDOUT;
	    my $Homer = $storage->load( $id{Homer} );

	    my ($r_parent, $r_child) = $storage->remote( "NaturalPerson",
							 $class );

	    my $filter = ($r_parent == $Homer);
	    my $filter2 = ($filter &
			   $r_parent->{$children}->includes($r_child)
			  );

	    my @parents  = $storage->select( $r_parent, $filter2 );
	    my @children = $storage->select( $r_child,  $filter2 );

	    my @k = ($children =~ m/children/ ? @kids : @opinions);
	    @children = sort {
		my $ix_a;
		my $ix_b;
		my $count = 0;
		for (@k) {
		    $ix_a = $count
			if ( (exists $a->{firstName} &&
			      $a->{firstName} eq $_) ||
			     (exists $a->{statement} &&
			      $a->{statement} eq $_) );
		    $ix_b = $count
			if ( (exists $b->{firstName} &&
			      $b->{firstName} eq $_) ||
			     (exists $b->{statement} &&
			      $b->{statement} eq $_) );
		    $count++;
		}
		$ix_a <=> $ix_b;
	    } @children if ($children =~ /children|a_/);
	    ok(@children, "$test_name - Got some children back");

	    {
		#local($Tangram::TRACE);
		#if ($test_name =~ /IntrArray/) {
		    #$Tangram::TRACE = \*STDERR;
		#}
		$storage->prefetch( $r_parent,
				    $children,
				    $filter ) if $do_prefetch;
	    }

	    $storage->{db}->disconnect(); # hyuk yuk yuk

	    local($SIG{__WARN__}) = sub { };
	    my @new_children;
	    my $sort = sub {
		(exists $a->{firstName} ?
		 ( $a->{firstName} cmp $b->{firstName} )
		 : ( $a->{statement} cmp $b->{statement} ) );
	    };
	    eval {
		if ($children =~ m/s_/) {
		    @new_children = sort { $sort->() }
			$Homer->{$children}->members;
		    @children = sort { $sort->() } @children;

		} elsif ($children =~ m/children|a_/) {
		    @new_children = @{ $Homer->{$children} };
		} else {
		    @new_children = sort { $sort->() }
					 values %{ $Homer->{$children} };
		    @children = sort { $sort->() } @children;
		}
	    };

	    if ($do_prefetch) {

		is($@, "", "$test_name - Didn't raise an exception w/prefetch");
		#local ($,)=" ";
		#print map { ref $_ ? $_->{firstName} : $_ }
		    #"Sent:", @children,
		    #"\nGot: ", @new_children, "\n";
		is_deeply(\@new_children, \@children, "$test_name - got back what we put in");
	    } else {
		like($@, qr/Execute failed/,
		     "$test_name - Raises correct exception w/o prefetch");
		isnt(@new_children, @children,
		     "$test_name - didn't get back what we put in");
	    }

	    $storage->disconnect();

	}
	is(leaked, 0, "Leaktest");
    }
}

$a = $b = "globals";