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Add unit tests for DB

This commit adds unit tests for Pasteburn::DB.  The dbh mocking
here is basic, causing warnings in DBI, which makes done_testing
fail for the no_warnings test.

Data validation and return will be tested in integration tests.
Investing more time on dbh mocking for unit tests will go unused.
add-test-db-and-override
Blaine Motsinger 9 months ago
parent
commit
fe20120e3d
  1. 63
      t/unit/lib-Pasteburn-DB/connect_db.t
  2. 48
      t/unit/lib-Pasteburn-DB/load.t

63
t/unit/lib-Pasteburn-DB/connect_db.t

@ -0,0 +1,63 @@
use strict;
use warnings;
use FindBin ();
use lib "$FindBin::RealBin/../../../lib", "$FindBin::RealBin/../../lib";
use Pasteburn::Test;
my $class = 'Pasteburn::DB';
use_ok( $class );
my $config_expected = {
database => {
type => 'mysql',
hostname => 'localhost',
port => 3306,
dbname => 'pasteburn',
username => 'pasteburn',
password => 'password',
},
};
Pasteburn::Test::override(
package => 'Pasteburn::Config',
name => 'get',
subref => sub { return $config_expected },
);
HAPPY_PATH: {
note( 'happy path' );
Pasteburn::Test::override(
package => 'DBI',
name => 'connect',
subref => sub {
return bless {}, 'DBI::db',
},
);
my $dbh = Pasteburn::DB::connect_db();
isa_ok( $dbh, 'DBI::db' );
ok( ( exists $dbh->{mysql_auto_reconnect} && $dbh->{mysql_auto_reconnect} ), 'mysql_auto_reconnect is set in the dbh' );
}
EXCEPTIONS: {
note( 'exceptions' );
Pasteburn::Test::override(
package => 'DBI',
name => 'connect',
subref => sub { die "fake your own death\n" },
);
dies_ok( sub { Pasteburn::DB::connect_db() }, 'dies if DBI->connect fails' );
}
TODO: {
# this is a little strange to TODO block around done_testing.
# the failure being worked around here is the following, which fails during the no_warnings test:
# (in cleanup) dbih_getcom handle DBI::db=HASH(0x55b9b84866f0) is not a DBI handle (has no magic)
local $TODO = 'more mocking is required for the handle returned from DBI::connect';
done_testing;
};

48
t/unit/lib-Pasteburn-DB/load.t

@ -0,0 +1,48 @@
use strict;
use warnings;
use FindBin ();
use lib "$FindBin::RealBin/../../../lib", "$FindBin::RealBin/../../lib";
use Pasteburn::Test;
my $class = 'Pasteburn::DB';
use_ok( $class );
my $config_expected = {
database => {
type => 'mysql',
hostname => 'localhost',
port => 3306,
dbname => 'trackability',
username => 'trackability',
password => 'password',
},
};
HAPPY_PATH: {
note( 'happy path' );
Pasteburn::Test::override(
package => 'Pasteburn::Config',
name => 'get',
subref => sub { return $config_expected },
);
my ( $dsn, $username, $password ) = Pasteburn::DB::load();
# dbi:mysql:database=pasteburn;host=localhost;port=3306
my $expected_dsn = "dbi:"
. $config_expected->{database}{type}
. ":database="
. $config_expected->{database}{dbname}
. ";host="
. $config_expected->{database}{hostname}
. ";port="
. $config_expected->{database}{port};
is( $dsn, $expected_dsn, 'dsn is returned containing the expected parts and format' );
ok( $username, 'username is returned' );
ok( $password, 'password is returned' );
}
done_testing;
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