1#!/usr/bin/perl
2
3use strict;
4use warnings;
5use Test::More;
6use Test::Warn;
7use Test::Exception;
8
9use Path::Class;
10use File::Copy;
11
12#warn "$dsn $user $pass";
13my ($dsn, $user, $pass);
14
15BEGIN {
16  ($dsn, $user, $pass) = @ENV{map { "DBICTEST_MYSQL_${_}" } qw/DSN USER PASS/};
17
18  plan skip_all => 'Set $ENV{DBICTEST_MYSQL_DSN}, _USER and _PASS to run this test'
19    unless ($dsn);
20
21  eval { require Time::HiRes }
22    || plan skip_all => 'Test needs Time::HiRes';
23  Time::HiRes->import(qw/time sleep/);
24
25  require DBIx::Class;
26  plan skip_all =>
27      'Test needs ' . DBIx::Class::Optional::Dependencies->req_missing_for ('deploy')
28    unless DBIx::Class::Optional::Dependencies->req_ok_for ('deploy')
29}
30
31use lib qw(t/lib);
32use DBICTest; # do not remove even though it is not used
33
34use_ok('DBICVersion_v1');
35
36my $version_table_name = 'dbix_class_schema_versions';
37my $old_table_name = 'SchemaVersions';
38
39my $ddl_dir = dir ('t', 'var');
40mkdir ($ddl_dir) unless -d $ddl_dir;
41
42my $fn = {
43    v1 => $ddl_dir->file ('DBICVersion-Schema-1.0-MySQL.sql'),
44    v2 => $ddl_dir->file ('DBICVersion-Schema-2.0-MySQL.sql'),
45    v3 => $ddl_dir->file ('DBICVersion-Schema-3.0-MySQL.sql'),
46    trans_v12 => $ddl_dir->file ('DBICVersion-Schema-1.0-2.0-MySQL.sql'),
47    trans_v23 => $ddl_dir->file ('DBICVersion-Schema-2.0-3.0-MySQL.sql'),
48};
49
50my $schema_v1 = DBICVersion::Schema->connect($dsn, $user, $pass, { ignore_version => 1 });
51eval { $schema_v1->storage->dbh->do('drop table ' . $version_table_name) };
52eval { $schema_v1->storage->dbh->do('drop table ' . $old_table_name) };
53
54is($schema_v1->ddl_filename('MySQL', '1.0', $ddl_dir), $fn->{v1}, 'Filename creation working');
55unlink( $fn->{v1} ) if ( -e $fn->{v1} );
56$schema_v1->create_ddl_dir('MySQL', undef, $ddl_dir);
57
58ok(-f $fn->{v1}, 'Created DDL file');
59$schema_v1->deploy({ add_drop_table => 1 });
60
61my $tvrs = $schema_v1->{vschema}->resultset('Table');
62is($schema_v1->_source_exists($tvrs), 1, 'Created schema from DDL file');
63
64# loading a new module defining a new version of the same table
65DBICVersion::Schema->_unregister_source ('Table');
66use_ok('DBICVersion_v2');
67
68my $schema_v2 = DBICVersion::Schema->connect($dsn, $user, $pass, { ignore_version => 1 });
69{
70  unlink($fn->{v2});
71  unlink($fn->{trans_v12});
72
73  is($schema_v2->get_db_version(), '1.0', 'get_db_version ok');
74  is($schema_v2->schema_version, '2.0', 'schema version ok');
75  $schema_v2->create_ddl_dir('MySQL', '2.0', $ddl_dir, '1.0');
76  ok(-f $fn->{trans_v12}, 'Created DDL file');
77
78  warnings_like (
79    sub { $schema_v2->upgrade() },
80    qr/DB version .+? is lower than the schema version/,
81    'Warn before upgrade',
82  );
83
84  is($schema_v2->get_db_version(), '2.0', 'db version number upgraded');
85
86  lives_ok ( sub {
87    $schema_v2->storage->dbh->do('select NewVersionName from TestVersion');
88  }, 'new column created' );
89
90  warnings_exist (
91    sub { $schema_v2->create_ddl_dir('MySQL', '2.0', $ddl_dir, '1.0') },
92    [
93      qr/Overwriting existing DDL file - $fn->{v2}/,
94      qr/Overwriting existing diff file - $fn->{trans_v12}/,
95    ],
96    'An overwrite warning generated for both the DDL and the diff',
97  );
98}
99
100{
101  my $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass);
102  lives_ok (sub {
103    $schema_version->storage->dbh->do('select * from ' . $version_table_name);
104  }, 'version table exists');
105
106  lives_ok (sub {
107    $schema_version->storage->dbh->do("DROP TABLE IF EXISTS $old_table_name");
108    $schema_version->storage->dbh->do("RENAME TABLE $version_table_name TO $old_table_name");
109  }, 'versions table renamed to old style table');
110
111  $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass);
112  is($schema_version->get_db_version, '2.0', 'transition from old table name to new okay');
113
114  dies_ok (sub {
115    $schema_version->storage->dbh->do('select * from ' . $old_table_name);
116  }, 'old version table gone');
117
118}
119
120# repeat the v1->v2 process for v2->v3 before testing v1->v3
121DBICVersion::Schema->_unregister_source ('Table');
122use_ok('DBICVersion_v3');
123
124my $schema_v3 = DBICVersion::Schema->connect($dsn, $user, $pass, { ignore_version => 1 });
125{
126  unlink($fn->{v3});
127  unlink($fn->{trans_v23});
128
129  is($schema_v3->get_db_version(), '2.0', 'get_db_version 2.0 ok');
130  is($schema_v3->schema_version, '3.0', 'schema version 3.0 ok');
131  $schema_v3->create_ddl_dir('MySQL', '3.0', $ddl_dir, '2.0');
132  ok(-f $fn->{trans_v23}, 'Created DDL 2.0 -> 3.0 file');
133
134  warnings_exist (
135    sub { $schema_v3->upgrade() },
136    qr/DB version .+? is lower than the schema version/,
137    'Warn before upgrade',
138  );
139
140  is($schema_v3->get_db_version(), '3.0', 'db version number upgraded');
141
142  lives_ok ( sub {
143    $schema_v3->storage->dbh->do('select ExtraColumn from TestVersion');
144  }, 'new column created');
145}
146
147# now put the v1 schema back again
148{
149  # drop all the tables...
150  eval { $schema_v1->storage->dbh->do('drop table ' . $version_table_name) };
151  eval { $schema_v1->storage->dbh->do('drop table ' . $old_table_name) };
152  eval { $schema_v1->storage->dbh->do('drop table TestVersion') };
153
154  {
155    local $DBICVersion::Schema::VERSION = '1.0';
156    $schema_v1->deploy;
157  }
158  is($schema_v1->get_db_version(), '1.0', 'get_db_version 1.0 ok');
159}
160
161# attempt v1 -> v3 upgrade
162{
163  local $SIG{__WARN__} = sub { warn if $_[0] !~ /Attempting upgrade\.$/ };
164  $schema_v3->upgrade();
165  is($schema_v3->get_db_version(), '3.0', 'db version number upgraded');
166}
167
168# check behaviour of DBIC_NO_VERSION_CHECK env var and ignore_version connect attr
169{
170  my $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass);
171  eval {
172    $schema_version->storage->dbh->do("DELETE from $version_table_name");
173  };
174
175
176  warnings_like ( sub {
177    $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass);
178  }, qr/Your DB is currently unversioned/, 'warning detected without env var or attr' );
179
180  warnings_like ( sub {
181    $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass, { ignore_version => 1 });
182  },  [], 'warning not detected with attr set');
183
184
185  local $ENV{DBIC_NO_VERSION_CHECK} = 1;
186  warnings_like ( sub {
187    $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass);
188  }, [], 'warning not detected with env var set');
189
190  warnings_like ( sub {
191    $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass, { ignore_version => 0 });
192  }, qr/Your DB is currently unversioned/, 'warning detected without env var or attr');
193}
194
195# attempt a deploy/upgrade cycle within one second
196{
197  eval { $schema_v2->storage->dbh->do('drop table ' . $version_table_name) };
198  eval { $schema_v2->storage->dbh->do('drop table ' . $old_table_name) };
199  eval { $schema_v2->storage->dbh->do('drop table TestVersion') };
200
201  # this attempts to sleep until the turn of the second
202  my $t = time();
203  sleep (int ($t) + 1 - $t);
204  note ('Fast deploy/upgrade start: ', time() );
205
206  {
207    local $DBICVersion::Schema::VERSION = '2.0';
208    $schema_v2->deploy;
209  }
210
211  local $SIG{__WARN__} = sub { warn if $_[0] !~ /Attempting upgrade\.$/ };
212  $schema_v2->upgrade();
213
214  is($schema_v2->get_db_version(), '3.0', 'Fast deploy/upgrade');
215};
216
217unless ($ENV{DBICTEST_KEEP_VERSIONING_DDL}) {
218    unlink $_ for (values %$fn);
219}
220
221done_testing;
222