Bug 8798: DBIx::Class base classes for all Koha tables

[koha.git] / t / Cache.t

diff --git a/t/Cache.t b/t/Cache.t
index d595dc9..044206c 100644 (file)
--- a/t/Cache.t
+++ b/t/Cache.t
@@ -5,39 +5,141 @@
 use strict;
 use warnings;
 
-use Test::More tests => 9;
+use Test::More tests => 29;
+
+my $destructorcount = 0;
 
 BEGIN {
-        use_ok('Koha::Cache');
-        use_ok('C4::Context');
+    use_ok('Koha::Cache');
+    use_ok('Koha::Cache::Object');
+    use_ok('C4::Context');
 }
 
 SKIP: {
-    my $cache = Koha::Cache->new ();
+    my $cache = Koha::Cache->new();
 
-    skip "Cache not enabled", 7 unless (Koha::Cache->is_cache_active() && defined $cache);
+    skip "Cache not enabled", 25
+      unless ( Koha::Cache->is_cache_active() && defined $cache );
 
     # test fetching an item that isnt in the cache
-    is( $cache->get_from_cache("not in here"), undef, "fetching item NOT in cache");
+    is( $cache->get_from_cache("not in here"),
+        undef, "fetching item NOT in cache" );
 
     # test expiry time in cache
-    $cache->set_in_cache("timeout", "I AM DATA", 1); # expiry time of 1 second
-    sleep 1;
-    is( $cache->get_from_cache("timeout"), undef, "fetching expired item from cache");
+    $cache->set_in_cache( "timeout", "I AM DATA", 1 ); # expiry time of 1 second
+    sleep 2;
+    is( $cache->get_from_cache("timeout"),
+        undef, "fetching expired item from cache" );
 
     # test fetching a valid, non expired, item from cache
-    $cache->set_in_cache("clear_me", "I AM MORE DATA", 1000); # overly large expiry time, clear below
-    $cache->set_in_cache("dont_clear_me", "I AM MORE DATA22", 1000); # overly large expiry time, clear below
-    is( $cache->get_from_cache("clear_me"), "I AM MORE DATA", "fetching valid item from cache");
+    $cache->set_in_cache( "clear_me", "I AM MORE DATA", 1000 )
+      ;    # overly large expiry time, clear below
+    $cache->set_in_cache( "dont_clear_me", "I AM MORE DATA22", 1000 )
+      ;    # overly large expiry time, clear below
+    is(
+        $cache->get_from_cache("clear_me"),
+        "I AM MORE DATA",
+        "fetching valid item from cache"
+    );
 
     # test clearing from cache
     $cache->clear_from_cache("clear_me");
-    is( $cache->get_from_cache("clear_me"), undef, "fetching cleared item from cache");
-    is( $cache->get_from_cache("dont_clear_me"), "I AM MORE DATA22", "fetching valid item from cache (after clearing another item)");
+    is( $cache->get_from_cache("clear_me"),
+        undef, "fetching cleared item from cache" );
+    is(
+        $cache->get_from_cache("dont_clear_me"),
+        "I AM MORE DATA22",
+        "fetching valid item from cache (after clearing another item)"
+    );
 
     #test flushing from cache
-    $cache->set_in_cache("flush_me", "testing 1 data");
+    $cache->set_in_cache( "flush_me", "testing 1 data" );
     $cache->flush_all;
-    is( $cache->get_from_cache("flush_me"), undef, "fetching flushed item from cache");
-    is( $cache->get_from_cache("dont_clear_me"), undef, "fetching flushed item from cache");
+    is( $cache->get_from_cache("flush_me"),
+        undef, "fetching flushed item from cache" );
+    is( $cache->get_from_cache("dont_clear_me"),
+        undef, "fetching flushed item from cache" );
+
+    my $constructorcount = 0;
+    my $myscalar         = $cache->create_scalar(
+        {
+            'key'         => 'myscalar',
+            'timeout'     => 1,
+            'allowupdate' => 1,
+            'unset'       => 1,
+            'constructor' => sub { return ++$constructorcount; },
+            'destructor'  => sub { return ++$destructorcount; },
+        }
+    );
+    ok( defined($myscalar), 'Created tied scalar' );
+    is( $$myscalar, 1, 'Constructor called to first initialize' );
+    is( $$myscalar, 1, 'Data retrieved from cache' );
+    sleep 2;
+    is( $$myscalar, 2, 'Constructor called again when timeout reached' );
+    $$myscalar = 5;
+    is( $$myscalar,        5, 'Stored new value to cache' );
+    is( $constructorcount, 2, 'Constructor not called after storing value' );
+    undef $myscalar;
+
+    is( $cache->get_from_cache("myscalar"),
+        undef, 'Item removed from cache on destruction' );
+
+    my %hash = ( 'key' => 'value' );
+
+    my $myhash         = $cache->create_hash(
+        {
+            'key'         => 'myhash',
+            'timeout'     => 1,
+            'allowupdate' => 1,
+            'unset'       => 1,
+            'constructor' => sub { return { %hash }; },
+        }
+    );
+
+    ok(defined $myhash, 'Created tied hash');
+
+    is($myhash->{'key'}, 'value', 'Found expected value in hash');
+    ok(exists $myhash->{'key'}, 'Exists works');
+    $myhash->{'key2'} = 'surprise';
+    is($myhash->{'key2'}, 'surprise', 'Setting hash member worked');
+    $hash{'key2'} = 'nosurprise';
+    sleep 2;
+    is($myhash->{'key2'}, 'nosurprise', 'Cache change caught');
+
+
+    my $foundkeys = 0;
+    foreach my $key (keys %{$myhash}) {
+        $foundkeys++;
+    }
+
+    is($foundkeys, 2, 'Found expected 2 keys when iterating through hash');
+
+    isnt(scalar %{$myhash}, undef, 'scalar knows the hash is not empty');
+
+    $hash{'anotherkey'} = 'anothervalue';
+
+    sleep 2;
+
+    ok(exists $myhash->{'anotherkey'}, 'Cache reset properly');
+
+    delete $hash{'anotherkey'};
+    delete $myhash->{'anotherkey'};
+
+    ok(!exists $myhash->{'anotherkey'}, 'Key successfully deleted');
+
+    undef %hash;
+    %{$myhash} = ();
+
+    is(scalar %{$myhash}, 0, 'hash cleared');
+
+    $hash{'key'} = 'value';
+    is($myhash->{'key'}, 'value', 'retrieved value after clearing cache');
+}
+
+END {
+  SKIP: {
+        skip "Cache not enabled", 1
+          unless ( Koha::Cache->is_cache_active() );
+        is( $destructorcount, 1, 'Destructor run exactly once' );
+    }
 }