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|
use 5.008;
use strict;
use warnings;
use Test::More;
use Test::Exception;
BEGIN {
use_ok('DBD::Mock');
use_ok('DBI');
}
# test the ability to overwrite a
# hash based 'mock_add_resultset'
# and have it work as expected
# tests for the return value of execute below as well
my $dbh = DBI->connect('dbi:Mock:', '', '');
isa_ok($dbh, 'DBI::db');
$dbh->{mock_add_resultset} = {
sql => 'SELECT foo FROM bar',
results => [[ 'foo' ], [ 10 ]]
};
{
my $sth = $dbh->prepare('SELECT foo FROM bar');
isa_ok($sth, 'DBI::st');
my $rows = $sth->execute();
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
my ($result) = $sth->fetchrow_array();
is($result, 10, '... got the result we expected');
$sth->finish();
}
$dbh->{mock_add_resultset} = {
sql => 'SELECT foo FROM bar',
results => [[ 'foo' ], [ 50 ]]
};
{
my $sth = $dbh->prepare('SELECT foo FROM bar');
isa_ok($sth, 'DBI::st');
my $rows = $sth->execute();
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
my ($result) = $sth->fetchrow_array();
is($result, 50, '... got the result we expected');
$sth->finish();
}
# get it again
{
my $sth = $dbh->prepare('SELECT foo FROM bar');
isa_ok($sth, 'DBI::st');
my $rows = $sth->execute();
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
my ($result) = $sth->fetchrow_array();
is($result, 50, '... got the result we expected');
$sth->finish();
}
# and one more time for good measure
{
my $sth = $dbh->prepare('SELECT foo FROM bar');
isa_ok($sth, 'DBI::st');
my $rows = $sth->execute();
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
my ($result) = $sth->fetchrow_array();
is($result, 50, '... got the result we expected');
$sth->finish();
}
## test regular expression for query matching
$dbh->{mock_add_resultset} = {
sql => qr/^SELECT foo/,
results => [ [ 'foo' ], [ 200 ] ],
};
## This one should never be used as the above one will have precedence
$dbh->{mock_add_resultset} = {
sql => qr/^SELECT foo FROM/,
results => [ [ 'foo' ], [ 300 ] ],
};
{
my $sth = $dbh->prepare('SELECT foo FROM oof');
isa_ok($sth, 'DBI::st');
my $rows = $sth->execute();
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
my ($result) = $sth->fetchrow_array();
is($result, 200, '... got the result we expected');
$sth->finish();
}
## overwrite regular expression matching
$dbh->{mock_add_resultset} = {
sql => qr/^SELECT foo/,
results => [ [ 'foo' ], [ 400 ] ],
};
{
my $sth = $dbh->prepare('SELECT foo FROM oof');
isa_ok($sth, 'DBI::st');
my $rows = $sth->execute();
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
my ($result) = $sth->fetchrow_array();
is($result, 400, '... got the result we expected');
$sth->finish();
}
# check that statically assigned queries take precedence over regex matched ones
{
my $sth = $dbh->prepare('SELECT foo FROM bar');
isa_ok($sth, 'DBI::st');
my $rows = $sth->execute();
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
my ($result) = $sth->fetchrow_array();
is($result, 50, '... got the result we expected');
$sth->finish();
}
## test the return value of execute
$dbh->{mock_add_resultset} = {
sql => 'INSERT INTO foo VALUES(bar)',
results => [[], []]
};
# check no SELECT statements
{
my $sth = $dbh->prepare('INSERT INTO foo VALUES(bar)');
isa_ok($sth, 'DBI::st');
my $rows = $sth->execute();
is($rows, 1, '... got back 1 for rows with our INSERT statement');
$sth->finish();
}
$dbh->{mock_add_resultset} = {
sql => 'UPDATE foo SET(bar = "baz")',
results => [[], [], [], [], []]
};
# check no SELECT statements
{
my $sth = $dbh->prepare('UPDATE foo SET(bar = "baz")');
isa_ok($sth, 'DBI::st');
my $rows = $sth->execute();
is($rows, 4, '... got back 4 for rows with our UPDATE statement');
$sth->finish();
}
$dbh->{mock_add_resultset} = {
sql => 'SELECT x FROM y WHERE z = ?',
results => [ ["x"] ],
callback => sub {
my @bound_params = @_;
my %result = ( rows => [[ 1] ] );
if ($bound_params[0] == 1) {
$result{rows} = [ [32] ];
} elsif ($bound_params[0] == 2) {
$result{rows} = [ [43] ];
}
return %result;
},
};
{
my $sth = $dbh->prepare('SELECT x FROM y WHERE z = ?');
isa_ok($sth, 'DBI::st');
is($sth->{NUM_OF_FIELDS}, 1, "... When we specify the fields in the results parameter then we expect an answer from NUM_OF_FIELDS before we execute the statement");
my $rows = $sth->execute(1);
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
is($sth->{NUM_OF_FIELDS}, 1, "... When we specify the fields in the results parameter then we expect an answer from NUM_OF_FIELDS after we execute the statement");
my ($result) = $sth->fetchrow_array();
is($result, 32, '... got the result we expected');
$rows = $sth->execute(2);
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
($result) = $sth->fetchrow_array();
is($result, 43, '... got the result we expected');
$rows = $sth->execute(33);
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
($result) = $sth->fetchrow_array();
is($result, 1, '... got the result we expected');
$sth->finish();
}
$dbh->{mock_add_resultset} = {
sql => 'SELECT a FROM b WHERE c = ?',
callback => sub {
my @bound_params = @_;
my %result = (
fields => [ "a" ],
rows => [[ 1] ]
);
if ($bound_params[0] == 1) {
$result{rows} = [ [32] ];
} elsif ($bound_params[0] == 2) {
$result{rows} = [ [43] ];
}
return %result;
},
};
{
my $sth = $dbh->prepare('SELECT a FROM b WHERE c = ?');
isa_ok($sth, 'DBI::st');
is($sth->{NUM_OF_FIELDS}, 0 , "... When we don't specify the fields in the results parameter and we haven't activated the DefaultFieldsToUndef feature, then we expect the NUM_OF_FIELDS to be 0 before we execute the statement");
my $rows = $sth->execute(1);
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
is($sth->{NUM_OF_FIELDS}, 1, "... When we don't specify the fields in the results parameter then we still expect an answer from NUM_OF_FIELDS after we've execute the statement");
my ($result) = $sth->fetchrow_array();
is($result, 32, '... got the result we expected');
$rows = $sth->execute(2);
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
($result) = $sth->fetchrow_array();
is($result, 43, '... got the result we expected');
$rows = $sth->execute(33);
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
($result) = $sth->fetchrow_array();
is($result, 1, '... got the result we expected');
$sth->finish();
}
{
# Activate the DefaultFieldsToUndef feature
$DBD::Mock::DefaultFieldsToUndef = 1;
my $sth = $dbh->prepare('SELECT a FROM b WHERE c = ?');
isa_ok($sth, 'DBI::st');
is($sth->{NUM_OF_FIELDS}, undef , "... When we don't specify the fields in the results parameter then we expect the NUM_OF_FIELDS to be undef before we execute the statement");
my $rows = $sth->execute(1);
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
is($sth->{NUM_OF_FIELDS}, 1, "... When we don't specify the fields in the results parameter then we still expect an answer from NUM_OF_FIELDS after we've execute the statement");
my ($result) = $sth->fetchrow_array();
is($result, 32, '... got the result we expected');
$rows = $sth->execute(2);
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
($result) = $sth->fetchrow_array();
is($result, 43, '... got the result we expected');
$rows = $sth->execute(33);
is($rows, '0E0', '... got back 0E0 for rows with a SELECT statement');
($result) = $sth->fetchrow_array();
is($result, 1, '... got the result we expected');
$sth->finish();
}
$dbh->{mock_start_insert_id} = [ 'y', 4 ];
$dbh->{mock_add_resultset} = {
sql => 'INSERT INTO y ( x ) VALUES ( ? )',
callback => sub {
my @bound_params = @_;
my %result = (
fields => [],
rows => []
);
return %result;
},
};
{
my $sth = $dbh->prepare( 'INSERT INTO y ( x ) VALUES ( ? )' );
$sth->execute( 'test' );
is( $dbh->last_insert_id( (undef) x 4 ), 4, "last_insert_id should return the next Id value after an insert as our callback doesn't override it")
}
$dbh->{mock_add_resultset} = {
sql => 'INSERT INTO y ( x ) VALUES ( ? )',
callback => sub {
my @bound_params = @_;
my %result = (
fields => [],
rows => [],
last_insert_id => 99,
);
return %result;
},
};
{
my $sth = $dbh->prepare( 'INSERT INTO y ( x ) VALUES ( ? )' );
$sth->execute( 'test' );
is( $dbh->last_insert_id( (undef) x 4 ), 99, "last_insert_id should return the id the callback has provided");
is( $dbh->{mock_last_insert_ids}{y}, 5, "If we provide a last_insert_id value then the one stored against the table shouldn't be updated");
}
$dbh->{mock_add_resultset} = {
sql => 'SELECT x FROM y WHERE z = ?',
callback => sub {
return (
fields => [ 'a' ],
rows => [ 1 ],
);
},
};
{
my $sth = $dbh->prepare('SELECT x FROM y WHERE z = ?');
isa_ok($sth, 'DBI::st');
throws_ok {
my $rows = $sth->execute(1);
} qr/DBD::Mock error - a resultset's callback should return rows as an arrayref of arrayrefs/, "If we don't provided an arrayref or arrayrefs for the rows then that's an error";
}
done_testing();
|
