X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F94versioning.t;h=a21141a65fb93043ac472fe28f7cec03f2d2c6a0;hb=4549ba4966c026a49409c7dde70f32b2512250b0;hp=1c8026cd697fa436ab3448eb096b8241fcf58472;hpb=e2c0df8e0b707050eb005ac6f68548f857a36acf;p=dbsrgits%2FDBIx-Class.git

diff --git a/t/94versioning.t b/t/94versioning.t
index 1c8026c..a21141a 100644
--- a/t/94versioning.t
+++ b/t/94versioning.t
@@ -1,50 +1,274 @@
-#!/usr/bin/perl
 use strict;
 use warnings;
+
 use Test::More;
+use Test::Warn;
+use Test::Exception;
+
+my ($dsn, $user, $pass);
 
 BEGIN {
-    eval "use DBD::SQLite; use SQL::Translator;";
-    plan $@
-        ? ( skip_all => 'needs DBD::SQLite and SQL::Translator for testing' )
-        : ( tests => 6 );
+  ($dsn, $user, $pass) = @ENV{map { "DBICTEST_MYSQL_${_}" } qw/DSN USER PASS/};
+
+  plan skip_all => 'Set $ENV{DBICTEST_MYSQL_DSN}, _USER and _PASS to run this test'
+    unless ($dsn);
+
+  require DBIx::Class;
+  plan skip_all =>
+      'Test needs ' . DBIx::Class::Optional::Dependencies->req_missing_for ('deploy')
+    unless DBIx::Class::Optional::Dependencies->req_ok_for ('deploy')
 }
 
+use Path::Class;
+use File::Copy;
+use Time::HiRes qw/time sleep/;
+
 use lib qw(t/lib);
+use DBICTest; # do not remove even though it is not used
+
+use_ok('DBICVersion_v1');
+
+my $version_table_name = 'dbix_class_schema_versions';
+my $old_table_name = 'SchemaVersions';
+
+my $ddl_dir = dir ('t', 'var');
+mkdir ($ddl_dir) unless -d $ddl_dir;
+
+my $fn = {
+    v1 => $ddl_dir->file ('DBICVersion-Schema-1.0-MySQL.sql'),
+    v2 => $ddl_dir->file ('DBICVersion-Schema-2.0-MySQL.sql'),
+    v3 => $ddl_dir->file ('DBICVersion-Schema-3.0-MySQL.sql'),
+    trans_v12 => $ddl_dir->file ('DBICVersion-Schema-1.0-2.0-MySQL.sql'),
+    trans_v23 => $ddl_dir->file ('DBICVersion-Schema-2.0-3.0-MySQL.sql'),
+};
+
+my $schema_v1 = DBICVersion::Schema->connect($dsn, $user, $pass, { ignore_version => 1 });
+eval { $schema_v1->storage->dbh->do('drop table ' . $version_table_name) };
+eval { $schema_v1->storage->dbh->do('drop table ' . $old_table_name) };
+
+is($schema_v1->ddl_filename('MySQL', '1.0', $ddl_dir), $fn->{v1}, 'Filename creation working');
+unlink( $fn->{v1} ) if ( -e $fn->{v1} );
+$schema_v1->create_ddl_dir('MySQL', undef, $ddl_dir);
+
+ok(-f $fn->{v1}, 'Created DDL file');
+$schema_v1->deploy({ add_drop_table => 1 });
+
+my $tvrs = $schema_v1->{vschema}->resultset('Table');
+is($schema_v1->_source_exists($tvrs), 1, 'Created schema from DDL file');
+
+# loading a new module defining a new version of the same table
+DBICVersion::Schema->_unregister_source ('Table');
+use_ok('DBICVersion_v2');
+
+my $schema_v2 = DBICVersion::Schema->connect($dsn, $user, $pass, { ignore_version => 1 });
+{
+  unlink($fn->{v2});
+  unlink($fn->{trans_v12});
 
-use_ok('DBICVersionOrig');
+  is($schema_v2->get_db_version(), '1.0', 'get_db_version ok');
+  is($schema_v2->schema_version, '2.0', 'schema version ok');
+  $schema_v2->create_ddl_dir('MySQL', '2.0', $ddl_dir, '1.0');
+  ok(-f $fn->{trans_v12}, 'Created DDL file');
 
-my $db_file = "t/var/versioning.db";
-unlink($db_file) if -e $db_file;
-unlink($db_file . "-journal") if -e $db_file . "-journal";
-mkdir("t/var") unless -d "t/var";
-unlink('t/var/DBICVersion-Schema-1.0-SQLite.sql');
+  warnings_like (
+    sub { $schema_v2->upgrade() },
+    qr/DB version .+? is lower than the schema version/,
+    'Warn before upgrade',
+  );
 
-my $schema_orig = DBICVersion::Schema->connect("dbi:SQLite:$db_file");
-# $schema->storage->ensure_connected();
+  is($schema_v2->get_db_version(), '2.0', 'db version number upgraded');
 
-is($schema_orig->ddl_filename('SQLite', 't/var', '1.0'), 't/var/DBICVersion-Schema-1.0-SQLite.sql', 'Filename creation working');
-$schema_orig->create_ddl_dir('SQLite', undef, 't/var');
+  lives_ok ( sub {
+    $schema_v2->storage->dbh->do('select NewVersionName from TestVersion');
+  }, 'new column created' );
 
-ok(-f 't/var/DBICVersion-Schema-1.0-SQLite.sql', 'Created DDL file');
-## do this here or let Versioned.pm do it?
-# $schema->deploy();
+  warnings_exist (
+    sub { $schema_v2->create_ddl_dir('MySQL', '2.0', $ddl_dir, '1.0') },
+    [
+      qr/Overwriting existing DDL file - $fn->{v2}/,
+      qr/Overwriting existing diff file - $fn->{trans_v12}/,
+    ],
+    'An overwrite warning generated for both the DDL and the diff',
+  );
+}
+
+{
+  my $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass);
+  lives_ok (sub {
+    $schema_version->storage->dbh->do('select * from ' . $version_table_name);
+  }, 'version table exists');
+
+  lives_ok (sub {
+    $schema_version->storage->dbh->do("DROP TABLE IF EXISTS $old_table_name");
+    $schema_version->storage->dbh->do("RENAME TABLE $version_table_name TO $old_table_name");
+  }, 'versions table renamed to old style table');
+
+  $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass);
+  is($schema_version->get_db_version, '2.0', 'transition from old table name to new okay');
+
+  dies_ok (sub {
+    $schema_version->storage->dbh->do('select * from ' . $old_table_name);
+  }, 'old version table gone');
+
+}
+
+# repeat the v1->v2 process for v2->v3 before testing v1->v3
+DBICVersion::Schema->_unregister_source ('Table');
+use_ok('DBICVersion_v3');
 
-my $tvrs = $schema_orig->resultset('Table');
-is($schema_orig->exists($tvrs), 1, 'Created schema from DDL file');
+my $schema_v3 = DBICVersion::Schema->connect($dsn, $user, $pass, { ignore_version => 1 });
+{
+  unlink($fn->{v3});
+  unlink($fn->{trans_v23});
 
-eval "use DBICVersionNew";
-my $schema_new = DBICVersion::Schema->connect("dbi:SQLite:$db_file");
+  is($schema_v3->get_db_version(), '2.0', 'get_db_version 2.0 ok');
+  is($schema_v3->schema_version, '3.0', 'schema version 3.0 ok');
+  $schema_v3->create_ddl_dir('MySQL', '3.0', $ddl_dir, '2.0');
+  ok(-f $fn->{trans_v23}, 'Created DDL 2.0 -> 3.0 file');
 
-unlink('t/var/DBICVersion-Schema-2.0-SQLite.sql');
-unlink('t/var/DBICVersion-Schema-1.0-2.0-SQLite.sql');
-$schema_new->create_ddl_dir('SQLite', undef, 't/var', '1.0');
-ok(-f 't/var/DBICVersion-Schema-1.0-2.0-SQLite.sql', 'Created DDL upgrade file');
+  warnings_exist (
+    sub { $schema_v3->upgrade() },
+    qr/DB version .+? is lower than the schema version/,
+    'Warn before upgrade',
+  );
 
-## create new to pick up filedata for upgrade files we just made (on_connect)
-my $schema_upgrade = DBICVersion::Schema->connect("dbi:SQLite:$db_file");
+  is($schema_v3->get_db_version(), '3.0', 'db version number upgraded');
+
+  lives_ok ( sub {
+    $schema_v3->storage->dbh->do('select ExtraColumn from TestVersion');
+  }, 'new column created');
+}
+
+# now put the v1 schema back again
+{
+  # drop all the tables...
+  eval { $schema_v1->storage->dbh->do('drop table ' . $version_table_name) };
+  eval { $schema_v1->storage->dbh->do('drop table ' . $old_table_name) };
+  eval { $schema_v1->storage->dbh->do('drop table TestVersion') };
+
+  {
+    local $DBICVersion::Schema::VERSION = '1.0';
+    $schema_v1->deploy;
+  }
+  is($schema_v1->get_db_version(), '1.0', 'get_db_version 1.0 ok');
+}
+
+# attempt v1 -> v3 upgrade
+{
+  local $SIG{__WARN__} = sub { warn if $_[0] !~ /Attempting upgrade\.$/ };
+  $schema_v3->upgrade();
+  is($schema_v3->get_db_version(), '3.0', 'db version number upgraded');
+}
+
+# Now, try a v1 -> v3 upgrade with a file that has comments strategically placed in it.
+# First put the v1 schema back again...
+{
+  # drop all the tables...
+  eval { $schema_v1->storage->dbh->do('drop table ' . $version_table_name) };
+  eval { $schema_v1->storage->dbh->do('drop table ' . $old_table_name) };
+  eval { $schema_v1->storage->dbh->do('drop table TestVersion') };
+
+  {
+    local $DBICVersion::Schema::VERSION = '1.0';
+    $schema_v1->deploy;
+  }
+  is($schema_v1->get_db_version(), '1.0', 'get_db_version 1.0 ok');
+}
+
+# add a "harmless" comment before one of the statements.
+system( qq($^X -pi -e "s/ALTER/-- this is a comment\nALTER/" $fn->{trans_v23};) );
+
+# Then attempt v1 -> v3 upgrade
+{
+  local $SIG{__WARN__} = sub { warn if $_[0] !~ /Attempting upgrade\.$/ };
+  $schema_v3->upgrade();
+  is($schema_v3->get_db_version(), '3.0', 'db version number upgraded to 3.0');
+
+  # make sure that the column added after the comment is actually added.
+  lives_ok ( sub {
+    $schema_v3->storage->dbh->do('select ExtraColumn from TestVersion');
+  }, 'new column created');
+}
+
+
+# check behaviour of DBIC_NO_VERSION_CHECK env var and ignore_version connect attr
+{
+  my $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass);
+  eval {
+    $schema_version->storage->dbh->do("DELETE from $version_table_name");
+  };
+
+
+  warnings_like ( sub {
+    $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass);
+  }, qr/Your DB is currently unversioned/, 'warning detected without env var or attr' );
+
+  warnings_like ( sub {
+    $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass, { ignore_version => 1 });
+  },  [], 'warning not detected with attr set');
+
+
+  local $ENV{DBIC_NO_VERSION_CHECK} = 1;
+  warnings_like ( sub {
+    $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass);
+  }, [], 'warning not detected with env var set');
+
+  warnings_like ( sub {
+    $schema_version = DBICVersion::Schema->connect($dsn, $user, $pass, { ignore_version => 0 });
+  }, qr/Your DB is currently unversioned/, 'warning detected without env var or attr');
+}
+
+# attempt a deploy/upgrade cycle within one second
+{
+  eval { $schema_v2->storage->dbh->do('drop table ' . $version_table_name) };
+  eval { $schema_v2->storage->dbh->do('drop table ' . $old_table_name) };
+  eval { $schema_v2->storage->dbh->do('drop table TestVersion') };
+
+  # this attempts to sleep until the turn of the second
+  my $t = time();
+  sleep (int ($t) + 1 - $t);
+  note ('Fast deploy/upgrade start: ', time() );
+
+  {
+    local $DBICVersion::Schema::VERSION = '2.0';
+    $schema_v2->deploy;
+  }
+
+  local $SIG{__WARN__} = sub { warn if $_[0] !~ /Attempting upgrade\.$/ };
+  $schema_v2->upgrade();
+
+  is($schema_v2->get_db_version(), '3.0', 'Fast deploy/upgrade');
+};
+
+# Check that it Schema::Versioned deals with new/all forms of connect arguments.
+{
+  my $get_db_version_run = 0;
+
+  no warnings qw/once redefine/;
+  local *DBIx::Class::Schema::Versioned::get_db_version = sub {
+    $get_db_version_run = 1;
+    return $_[0]->schema_version;
+  };
+
+  # Make sure the env var isn't whats triggering it
+  local $ENV{DBIC_NO_VERSION_CHECK} = 0;
+
+  DBICVersion::Schema->connect({
+    dsn => $dsn,
+    user => $user, 
+    pass => $pass,
+    ignore_version => 1
+  });
+  
+  ok($get_db_version_run == 0, "attributes pulled from hashref connect_info");
+  $get_db_version_run = 0;
+
+  DBICVersion::Schema->connect( $dsn, $user, $pass, { ignore_version => 1 } );
+  ok($get_db_version_run == 0, "attributes pulled from list connect_info");
+}
+
+unless ($ENV{DBICTEST_KEEP_VERSIONING_DDL}) {
+    unlink $_ for (values %$fn);
+}
 
-## do this here or let Versioned.pm do it?
-$schema_upgrade->upgrade();
-$tvrs = $schema_upgrade->resultset('Table');
-is($schema_upgrade->exists($tvrs), 1, 'Upgraded schema from DDL file');
+done_testing;