From: Stevan Little <stevan.little@iinteractive.com>
Date: Fri, 30 Mar 2007 20:44:17 +0000 (+0000)
Subject: atomic file stuff
X-Git-Tag: 0_02~28
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMooseX-Storage.git;a=commitdiff_plain;h=e64b730236154a4f45ace9db2bbf915bd91956f1

atomic file stuff
---

diff --git a/lib/MooseX/Storage/Engine/IO/AtomicFile.pm b/lib/MooseX/Storage/Engine/IO/AtomicFile.pm
index 902f7c5..a75c71d 100644
--- a/lib/MooseX/Storage/Engine/IO/AtomicFile.pm
+++ b/lib/MooseX/Storage/Engine/IO/AtomicFile.pm
@@ -4,22 +4,7 @@ use Moose;
 
 use IO::AtomicFile;
 
-has 'file' => (
-	is       => 'ro',
-	isa      => 'Str',	
-	required => 1,
-);
-
-sub load { 
-	my ($self) = @_;
-	# NOTE:sv
-	# AtomicFile gives us no real 
-	# benefit when reading, so why
-	# bother
-	# - SL
-	my $fh = IO::File->new($self->file, 'r');
-	return do { local $/; <$fh>; };
-}
+extends 'MooseX::Storage::Engine::IO::File';
 
 sub store {
 	my ($self, $data) = @_;
@@ -37,7 +22,7 @@ __END__
 
 =head1 NAME
 
-MooseX::Storage::Engine::IO::File
+MooseX::Storage::Engine::IO::AtomicFile
 
 =head1 SYNOPSIS
 
diff --git a/lib/MooseX/Storage/IO/AtomicFile.pm b/lib/MooseX/Storage/IO/AtomicFile.pm
new file mode 100644
index 0000000..8d29e18
--- /dev/null
+++ b/lib/MooseX/Storage/IO/AtomicFile.pm
@@ -0,0 +1,69 @@
+
+package MooseX::Storage::IO::AtomicFile;
+use Moose::Role;
+
+use MooseX::Storage::Engine::IO::AtomicFile;
+
+with 'MooseX::Storage::IO::File';
+
+sub store {
+    my ( $self, $filename ) = @_;
+    MooseX::Storage::Engine::IO::AtomicFile->new( file => $filename )->store( $self->freeze() );
+}
+
+1;
+
+__END__
+
+=pod
+
+=head1 NAME
+
+MooseX::Storage::IO::AtomicFile
+
+=head1 SYNOPSIS
+
+=head1 DESCRIPTION
+
+=head1 METHODS
+
+=over 4
+
+=item B<load ($filename)>
+
+=item B<store ($filename)>
+
+=back
+
+=head2 Introspection
+
+=over 4
+
+=item B<meta>
+
+=back
+
+=head1 BUGS
+
+All complex software has bugs lurking in it, and this module is no 
+exception. If you find a bug please either email me, or add the bug
+to cpan-RT.
+
+=head1 AUTHOR
+
+Chris Prather E<lt>chris.prather@iinteractive.comE<gt>
+
+Stevan Little E<lt>stevan.little@iinteractive.comE<gt>
+
+=head1 COPYRIGHT AND LICENSE
+
+Copyright 2007 by Infinity Interactive, Inc.
+
+L<http://www.iinteractive.com>
+
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
+
+=cut
+
+
diff --git a/t/012_basic_json_io_atomic.t b/t/012_basic_json_io_atomic.t
new file mode 100644
index 0000000..8f28dbd
--- /dev/null
+++ b/t/012_basic_json_io_atomic.t
@@ -0,0 +1,57 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More no_plan => 1;
+
+BEGIN {
+    use_ok('MooseX::Storage');
+}
+
+{
+    package Foo;
+    use Moose;
+    use MooseX::Storage;
+    
+    with Storage(format => 'JSON', io => 'AtomicFile');
+    
+    has 'number' => (is => 'ro', isa => 'Int');
+    has 'string' => (is => 'ro', isa => 'Str');
+    has 'float'  => (is => 'ro', isa => 'Num');        
+    has 'array'  => (is => 'ro', isa => 'ArrayRef');
+    has 'hash'   => (is => 'ro', isa => 'HashRef');    
+	has 'object' => (is => 'ro', isa => 'Object');    
+}
+
+my $file = 'temp.json';
+
+{
+    my $foo = Foo->new(
+        number => 10,
+        string => 'foo',
+        float  => 10.5,
+        array  => [ 1 .. 10 ],
+        hash   => { map { $_ => undef } (1 .. 10) },
+    	object => Foo->new( number => 2 ),
+    );
+    isa_ok($foo, 'Foo');
+
+    $foo->store($file);
+}
+
+{
+    my $foo = Foo->load($file);
+    isa_ok($foo, 'Foo');
+
+    is($foo->number, 10, '... got the right number');
+    is($foo->string, 'foo', '... got the right string');
+    is($foo->float, 10.5, '... got the right float');
+    is_deeply($foo->array, [ 1 .. 10], '... got the right array');
+    is_deeply($foo->hash, { map { $_ => undef } (1 .. 10) }, '... got the right hash');
+
+    isa_ok($foo->object, 'Foo');
+    is($foo->object->number, 2, '... got the right number (in the embedded object)');
+}
+
+unlink $file;
diff --git a/t/022_basic_yaml_io_atomic.t b/t/022_basic_yaml_io_atomic.t
new file mode 100644
index 0000000..632def9
--- /dev/null
+++ b/t/022_basic_yaml_io_atomic.t
@@ -0,0 +1,57 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More no_plan => 1;
+
+BEGIN {
+    use_ok('MooseX::Storage');
+}
+
+{
+    package Foo;
+    use Moose;
+    use MooseX::Storage;
+    
+    with Storage(format => 'YAML', io => 'AtomicFile');
+    
+    has 'number' => (is => 'ro', isa => 'Int');
+    has 'string' => (is => 'ro', isa => 'Str');
+    has 'float'  => (is => 'ro', isa => 'Num');        
+    has 'array'  => (is => 'ro', isa => 'ArrayRef');
+    has 'hash'   => (is => 'ro', isa => 'HashRef');    
+	has 'object' => (is => 'ro', isa => 'Object');    
+}
+
+my $file = 'temp.yaml';
+
+{
+    my $foo = Foo->new(
+        number => 10,
+        string => 'foo',
+        float  => 10.5,
+        array  => [ 1 .. 10 ],
+        hash   => { map { $_ => undef } (1 .. 10) },
+    	object => Foo->new( number => 2 ),
+    );
+    isa_ok($foo, 'Foo');
+
+    $foo->store($file);
+}
+
+{
+    my $foo = Foo->load($file);
+    isa_ok($foo, 'Foo');
+
+    is($foo->number, 10, '... got the right number');
+    is($foo->string, 'foo', '... got the right string');
+    is($foo->float, 10.5, '... got the right float');
+    is_deeply($foo->array, [ 1 .. 10], '... got the right array');
+    is_deeply($foo->hash, { map { $_ => undef } (1 .. 10) }, '... got the right hash');
+
+    isa_ok($foo->object, 'Foo');
+    is($foo->object->number, 2, '... got the right number (in the embedded object)');
+}
+
+unlink $file;