09trace.t

SinFP是一种新的识别对方计算机操作系统类型的工具

#!perl -w
# vim:sw=4:ts=8

use strict;

# 66 tests originally
use Test::More tests => 66;

## ----------------------------------------------------------------------------
## 09trace.t
## ----------------------------------------------------------------------------
# 
## ----------------------------------------------------------------------------

BEGIN { 
    use_ok( 'DBI' ); 
}

$|=1;

## ----------------------------------------------------------------------------
# Connect to the example driver.

my $dbh = DBI->connect('dbi:ExampleP:dummy', '', '',
                           { PrintError => 0,
                             RaiseError => 1,
                             PrintWarn => 1,
                           });
isa_ok( $dbh, 'DBI::db' );

# Clean up when we're done.
END { $dbh->disconnect if $dbh };

## ----------------------------------------------------------------------------
# Check the database handle attributes.

cmp_ok($dbh->{TraceLevel}, '==', $DBI::dbi_debug & 0xF, '... checking TraceLevel attribute');

my $trace_file = "dbitrace.log";

1 while unlink $trace_file;

$dbh->trace(0, $trace_file);
ok( -f $trace_file, '... trace file successfully created');

my @names = qw(
	SQL
	foo bar baz boo bop
);
my %flag;
my $all_flags = 0;

foreach my $name (@names) {
    print "parse_trace_flag $name\n";
    ok( my $flag1 = $dbh->parse_trace_flag($name) );
    ok( my $flag2 = $dbh->parse_trace_flags($name) );
    is( $flag1, $flag2 );

    $dbh->{TraceLevel} = $flag1;
    is( $dbh->{TraceLevel}, $flag1 );

    $dbh->{TraceLevel} = 0;
    is( $dbh->{TraceLevel}, 0 );

    $dbh->trace($flag1);
    is $dbh->trace,        $flag1;
    is $dbh->{TraceLevel}, $flag1;

    $dbh->{TraceLevel} = $name;		# set by name
    $dbh->{TraceLevel} = undef;		# check no change on undef
    is( $dbh->{TraceLevel}, $flag1 );

    $flag{$name} = $flag1;
    $all_flags |= $flag1
        if defined $flag1; # reduce noise if there's a bug
}

print "parse_trace_flag @names\n";
ok(eq_set([ keys %flag ], [ @names ]), '...');
$dbh->{TraceLevel} = 0;
$dbh->{TraceLevel} = join "|", @names;
is($dbh->{TraceLevel}, $all_flags, '...');

{
    print "inherit\n";
    my $sth = $dbh->prepare("select ctime, name from foo");
    isa_ok( $sth, 'DBI::st' );
    is( $sth->{TraceLevel}, $all_flags );
}

$dbh->{TraceLevel} = 0;
ok !$dbh->{TraceLevel};
$dbh->{TraceLevel} = 'ALL';
ok $dbh->{TraceLevel};

{
    print "unknown parse_trace_flag\n";
    my $warn = 0;
    local $SIG{__WARN__} = sub {
        if ($_[0] =~ /unknown/i) { ++$warn; print "warn: ",@_ }else{ warn @_ }
        };
    is $dbh->parse_trace_flag("nonesuch"), undef;
    is $warn, 0;
    is $dbh->parse_trace_flags("nonesuch"), 0;
    is $warn, 1;
    is $dbh->parse_trace_flags("nonesuch|SQL|nonesuch2"), $dbh->parse_trace_flag("SQL");
    is $warn, 2;
}

$dbh->trace(0);
ok !$dbh->{TraceLevel};
$dbh->trace(undef, "STDERR");	# close $trace_file
ok( -s $trace_file );

1;
# end