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|
package DBD::Mock::Session;
use strict;
use warnings;
my $INSTANCE_COUNT = 1;
sub new {
my $class = shift;
(@_) || die "You must specify at least one session state";
my $session_name;
if ( ref( $_[0] ) ) {
$session_name = 'Session ' . $INSTANCE_COUNT;
}
else {
$session_name = shift;
}
my @session_states = @_;
(@session_states)
|| die "You must specify at least one session state";
( ref($_) eq 'HASH' )
|| die "You must specify session states as HASH refs"
foreach @session_states;
$INSTANCE_COUNT++;
return bless {
name => $session_name,
states => \@session_states,
state_index => 0
} => $class;
}
sub name { (shift)->{name} }
sub reset { (shift)->{state_index} = 0 }
sub num_states { scalar( @{ (shift)->{states} } ) }
sub current_state {
my $self = shift;
my $idx = $self->{state_index};
return $self->{states}[$idx];
}
sub has_states_left {
my $self = shift;
return $self->{state_index} < scalar( @{ $self->{states} } );
}
sub verify_statement {
my ( $self, $dbh, $statement ) = @_;
( $self->has_states_left )
|| die "Session states exhausted, only '"
. scalar( @{ $self->{states} } )
. "' in DBD::Mock::Session ("
. $self->{name} . ")";
my $current_state = $self->current_state;
# make sure our state is good
( exists ${$current_state}{statement} && exists ${$current_state}{results} )
|| die "Bad state '"
. $self->{state_index}
. "' in DBD::Mock::Session ("
. $self->{name} . ")";
# try the SQL
my $SQL = $current_state->{statement};
unless ( ref($SQL) ) {
( $SQL eq $statement )
|| die
"Statement does not match current state in DBD::Mock::Session ("
. $self->{name} . ")\n"
. " got: $statement\n"
. " expected: $SQL";
}
elsif ( ref($SQL) eq 'Regexp' ) {
( $statement =~ /$SQL/ )
|| die
"Statement does not match current state (with Regexp) in DBD::Mock::Session ("
. $self->{name} . ")\n"
. " got: $statement\n"
. " expected: $SQL";
}
elsif ( ref($SQL) eq 'CODE' ) {
( $SQL->( $statement, $current_state ) )
|| die
"Statement does not match current state (with CODE ref) in DBD::Mock::Session ("
. $self->{name} . ")";
}
else {
die
"Bad 'statement' value '$SQL' in current state in DBD::Mock::Session ("
. $self->{name} . ")";
}
# copy the result sets so that
# we can re-use the session
$dbh->STORE( 'mock_add_resultset' => [ @{ $current_state->{results} } ] );
}
sub verify_bound_params {
my ( $self, $dbh, $params ) = @_;
my $current_state = $self->current_state;
if ( exists ${$current_state}{bound_params} ) {
my $expected = $current_state->{bound_params};
( scalar( @{$expected} ) == scalar( @{$params} ) )
|| die
"Not the same number of bound params in current state in DBD::Mock::Session ("
. $self->{name} . ")\n"
. " got: "
. scalar( @{$params} ) . "\n"
. " expected: "
. scalar( @{$expected} );
for ( my $i = 0 ; $i < scalar( @{$params} ) ; $i++ ) {
no warnings;
if ( ref( $expected->[$i] ) eq 'Regexp' ) {
( $params->[$i] =~ /$expected->[$i]/ )
|| die
"Bound param $i do not match (using regexp) in current state in DBD::Mock::Session ("
. $self->{name} . ")\n"
. " got: "
. $params->[$i] . "\n"
. " expected: "
. $expected->[$i];
}
else {
( $params->[$i] eq $expected->[$i] )
|| die
"Bound param $i do not match in current state in DBD::Mock::Session ("
. $self->{name} . ")\n"
. " got: "
. $params->[$i] . "\n"
. " expected: "
. $expected->[$i];
}
}
}
# and make sure we go to
# the next statement
$self->{state_index}++;
}
1;
|
