X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F81transactions.t;h=32d5f17ec9a96cb0cf3234e65caea5376142a3b5;hb=6a151f5877412d2824295071428c52eb4bf646ec;hp=847963ef369e589c8d2dd4d975b40a8935e10c6e;hpb=a47e123334d8bcea0d34dc9ea09738d6f3b1fd49;p=dbsrgits%2FDBIx-Class.git

diff --git a/t/81transactions.t b/t/81transactions.t
index 847963e..32d5f17 100644
--- a/t/81transactions.t
+++ b/t/81transactions.t
@@ -2,12 +2,13 @@ use strict;
 use warnings;  
 
 use Test::More;
+use Test::Exception;
 use lib qw(t/lib);
 use DBICTest;
 
 my $schema = DBICTest->init_schema();
 
-plan tests => 39;
+plan tests => 64;
 
 my $code = sub {
   my ($artist, @cd_titles) = @_;
@@ -25,7 +26,7 @@ my $code = sub {
   eval {
     (ref $schema)->txn_do(sub{});
   };
-  like($@, qr/class method/, '$self parameter check ok');
+  like($@, qr/storage/, "can't call txn_do without storage");
   eval {
     $schema->txn_do('');
   };
@@ -34,6 +35,8 @@ my $code = sub {
 
 # Test successful txn_do() - scalar context
 {
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
   my @titles = map {'txn_do test CD ' . $_} (1..5);
   my $artist = $schema->resultset('Artist')->find(1);
   my $count_before = $artist->cds->count;
@@ -42,10 +45,14 @@ my $code = sub {
   is($artist->cds({
     title => "txn_do test CD $_",
   })->first->year, 2006, "new CD $_ year correct") for (1..5);
+
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
 }
 
 # Test successful txn_do() - list context
 {
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
   my @titles = map {'txn_do test CD ' . $_} (6..10);
   my $artist = $schema->resultset('Artist')->find(1);
   my $count_before = $artist->cds->count;
@@ -54,10 +61,14 @@ my $code = sub {
   is($artist->cds({
     title => "txn_do test CD $_",
   })->first->year, 2006, "new CD $_ year correct") for (6..10);
+
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
 }
 
 # Test nested successful txn_do()
 {
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
   my $nested_code = sub {
     my ($schema, $artist, $code) = @_;
 
@@ -82,6 +93,8 @@ my $code = sub {
     title => 'nested txn_do test CD '.$_,
   })->first->year, 2006, qq{nested txn_do CD$_ year ok}) for (1..10);
   is($artist->cds->count, $count_before+10, 'nested txn_do added all CDs');
+
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
 }
 
 my $fail_code = sub {
@@ -95,6 +108,31 @@ my $fail_code = sub {
 
 # Test failed txn_do()
 {
+
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
+  my $artist = $schema->resultset('Artist')->find(3);
+
+  eval {
+    $schema->txn_do($fail_code, $artist);
+  };
+
+  my $error = $@;
+
+  like($error, qr/the sky is falling/, 'failed txn_do threw an exception');
+  my $cd = $artist->cds({
+    title => 'this should not exist',
+    year => 2005,
+  })->first;
+  ok(!defined($cd), q{failed txn_do didn't change the cds table});
+
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
+}
+
+# do the same transaction again
+{
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
   my $artist = $schema->resultset('Artist')->find(3);
 
   eval {
@@ -109,16 +147,26 @@ my $fail_code = sub {
     year => 2005,
   })->first;
   ok(!defined($cd), q{failed txn_do didn't change the cds table});
+
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
 }
 
 # Test failed txn_do() with failed rollback
 {
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
   my $artist = $schema->resultset('Artist')->find(3);
 
   # Force txn_rollback() to throw an exception
   no warnings 'redefine';
   no strict 'refs';
-  local *{"DBIx::Class::Schema::txn_rollback"} = sub{die 'FAILED'};
+
+  # die in rollback, but maintain sanity for further tests ...
+  local *{"DBIx::Class::Storage::DBI::SQLite::txn_rollback"} = sub{
+    my $storage = shift;
+    $storage->{transaction_depth}--;
+    die 'FAILED';
+  };
 
   eval {
     $schema->txn_do($fail_code, $artist);
@@ -143,12 +191,13 @@ my $fail_code = sub {
     year => 2005,
   })->first;
   ok(!defined($cd), q{deleted the failed txn's cd});
-  $schema->storage->{transaction_depth} = 0; # Must reset this or further tests
-                                             # will fail
+  $schema->storage->_dbh->rollback;
 }
 
 # Test nested failed txn_do()
 {
+  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
   my $nested_fail_code = sub {
     my ($schema, $artist, $code1, $code2) = @_;
 
@@ -178,3 +227,95 @@ my $fail_code = sub {
   ok(!defined($cd), q{failed txn_do didn't add failed txn's cd});
 }
 
+# Grab a new schema to test txn before connect
+{
+    my $schema2 = DBICTest->init_schema(no_deploy => 1);
+    eval {
+        $schema2->txn_begin();
+        $schema2->txn_begin();
+    };
+    my $err = $@;
+    ok(! $err, 'Pre-connection nested transactions.');
+
+    # although not connected DBI would still warn about rolling back at disconnect
+    $schema2->txn_rollback;
+    $schema2->txn_rollback;
+    $schema2->storage->disconnect;
+}
+$schema->storage->disconnect;
+
+# Test txn_scope_guard
+{
+  my $schema = DBICTest->init_schema();
+
+  is($schema->storage->transaction_depth, 0, "Correct transaction depth");
+  my $artist_rs = $schema->resultset('Artist');
+  throws_ok {
+   my $guard = $schema->txn_scope_guard;
+
+
+    $artist_rs->create({
+      name => 'Death Cab for Cutie',
+      made_up_column => 1,
+    });
+    
+   $guard->commit;
+  } qr/No such column made_up_column .*? at .*?81transactions.t line \d+/s, "Error propogated okay";
+
+  ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
+
+  my $inner_exception;
+  eval {
+    outer($schema, 1);
+  };
+  is($@, $inner_exception, "Nested exceptions propogated");
+
+  ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
+
+  lives_ok (sub {
+    my $w;
+    local $SIG{__WARN__} = sub { $w = shift };
+
+    # The 0 arg says don't die, just let the scope guard go out of scope 
+    # forcing a txn_rollback to happen
+    outer($schema, 0);
+
+    like ($w, qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or an error/, 'Out of scope warning detected');
+    ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
+  }, 'rollback successful withot exception');
+
+  sub outer {
+    my ($schema) = @_;
+
+    my $guard = $schema->txn_scope_guard;
+    $schema->resultset('Artist')->create({
+      name => 'Death Cab for Cutie',
+    });
+    inner(@_);
+  }
+
+  sub inner {
+    my ($schema, $fatal) = @_;
+
+    my $inner_guard = $schema->txn_scope_guard;
+    is($schema->storage->transaction_depth, 2, "Correct transaction depth");
+
+    my $artist = $artist_rs->find({ name => 'Death Cab for Cutie' });
+
+    eval {
+      $artist->cds->create({ 
+        title => 'Plans',
+        year => 2005, 
+        $fatal ? ( foo => 'bar' ) : ()
+      });
+    };
+    if ($@) {
+      # Record what got thrown so we can test it propgates out properly.
+      $inner_exception = $@;
+      die $@;
+    }
+
+    # inner guard should commit without consequences
+    $inner_guard->commit;
+  }
+}