use strict;
use warnings;
-use Test::More tests => 65;
+use Test::More tests => 77;
+use Test::Exception;
+
+BEGIN {
+ use_ok('Moose');
+}
{
+ # NOTE:
+ # this tests that repeated role
+ # composition will not cause
+ # a conflict between two methods
+ # which are actually the same anyway
+
{
package RootA;
use Moose::Role;
- sub foo {
- "foo rv";
- }
+ sub foo { "RootA::foo" }
package SubAA;
use Moose::Role;
with "RootA";
- sub bar {
- "bar rv";
- }
+ sub bar { "SubAA::bar" }
package SubAB;
use Moose;
- eval { with "SubAA" };
-
-
+ ::lives_ok {
+ with "SubAA", "RootA";
+ } '... role was composed as expected';
}
ok( SubAB->does("SubAA"), "does SubAA");
isa_ok( my $i = SubAB->new, "SubAB" );
can_ok( $i, "bar" );
- is( $i->bar, "bar rv", "bar rv" );
+ is( $i->bar, "SubAA::bar", "... got thr right bar rv" );
can_ok( $i, "foo" );
- is( eval { $i->foo }, "foo rv", "foo rv" );
+ my $foo_rv;
+ lives_ok {
+ $foo_rv = $i->foo;
+ } '... called foo successfully';
+ is($foo_rv, "RootA::foo", "... got the right foo rv");
}
{
+ # NOTE:
+ # this edge cases shows the application of
+ # an after modifier over a method which
+ # was added during role composotion.
+ # The way this will work is as follows:
+ # role SubBA will consume RootB and
+ # get a local copy of RootB::foo, it
+ # will also store a deferred after modifier
+ # to be applied to whatever class SubBA is
+ # composed into.
+ # When class SubBB comsumed role SubBA, the
+ # RootB::foo method is added to SubBB, then
+ # the deferred after modifier from SubBA is
+ # applied to it.
+ # It is important to note that the application
+ # of the after modifier does not happen until
+ # role SubBA is composed into SubAA.
+
{
package RootB;
use Moose::Role;
- sub foo {
- "foo rv";
- }
+ sub foo { "RootB::foo" }
package SubBA;
use Moose::Role;
package SubBB;
use Moose;
- eval { with "SubBA" };
+ ::lives_ok {
+ with "SubBA";
+ } '... composed the role successfully';
}
ok( SubBB->does("SubBA"), "BB does SubBA" );
isa_ok( my $i = SubBB->new, "SubBB" );
can_ok( $i, "foo" );
- is( eval { $i->foo }, "foo rv", "foo rv" );
-
+
+ my $foo_rv;
+ lives_ok {
+ $foo_rv = $i->foo
+ } '... called foo successfully';
+ is( $foo_rv, "RootB::foo", "foo rv" );
is( $i->counter, 1, "after hook called" );
+
+ lives_ok { $i->foo } '... called foo successfully (again)';
+ is( $i->counter, 2, "after hook called (again)" );
+
+ can_ok('SubBA', 'foo');
+ my $subba_foo_rv;
+ lives_ok {
+ $subba_foo_rv = SubBA::foo();
+ } '... called the sub as a function correctly';
+ is($subba_foo_rv, 'RootB::foo', '... the SubBA->foo is still the RootB version');
}
{
+ # NOTE:
+ # this checks that an override method
+ # does not try to trample over a locally
+ # composed in method. In this case the
+ # RootC::foo, which is composed into
+ # SubCA cannot be trampled with an
+ # override of 'foo'
{
package RootC;
use Moose::Role;
- sub foo {
- "foo rv";
- }
+ sub foo { "RootC::foo" }
package SubCA;
use Moose::Role;
with "RootC";
- override foo => sub {
- "overridden";
- };
-
- package SubCB;
- use Moose;
-
- eval { with "SubCA" };
-
- package SubCC;
- use Moose;
-
- undef $@;
- eval {
- with qw/
- SubCA
- RootC
- /;
- };
-
- ::ok( $@, "can't compose role with conflict and diamond hierarchy" );
-
- package SubCD;
- use Moose::Role;
-
- with "RootC";
-
- package SubCE;
- use Moose;
-
- undef $@;
- eval { with qw/SubCD RootC/ };
- ::ok( !$@, "can compose if appearantly conflicting method is actually the same one" );
+ ::dies_ok {
+ override foo => sub { "overridden" };
+ } '... cannot compose an override over a local method';
}
-
- ok( SubCB->does("SubCA"), "CB does SubCA" );
- ok( SubCB->does("RootC"), "CB does RootC" );
-
- isa_ok( my $i = SubCB->new, "SubCB" );
-
- can_ok( $i, "foo" );
- is( eval { $i->foo }, "overridden", "overridden foo from SubCA, not RootC" );
-
- ok( SubCE->does("RootC"), "CE does RootC" );
- ok( SubCE->does("SubCD"), "CE does SubCD" );
}
+# NOTE:
+# need to talk to Yuval about the motivation behind
+# this test, I am not sure we are testing anything
+# useful here (although more tests cant hurt)
+
{
use List::Util qw/shuffle/;
use Moose::Role;
requires "method";
-
requires "other";
sub another { "abstract" }
use Moose::Role;
with "Abstract";
- sub other {
- "concrete a";
- };
+ sub other { "concrete a" }
package ConcreteB;
use Moose::Role;
with "Abstract";
- sub method {
- "concrete b";
- }
+ sub method { "concrete b" }
package ConcreteC;
use Moose::Role;
with "ConcreteA";
- override other => sub {
- return ( super() . " + c" );
+ # NOTE:
+ # this was originally override, but
+ # that wont work (see above set of tests)
+ # so I switched it to around.
+ # However, this may not be testing the
+ # same thing that was originally intended
+ around other => sub {
+ return ( (shift)->() . " + c" );
};
package SimpleClassWithSome;
eval { with ::shuffle qw/ConcreteC Abstract ConcreteB/ };
::ok( !$@, "composition with abstract" ) || ::diag $@;
- package ClassBad;
+ package ClassWithEverything;
use Moose;
eval { with ::shuffle qw/ConcreteC Abstract ConcreteA ConcreteB/ }; # this should clash
- ::ok( $@, "can't compose ConcreteA and ConcreteC together" );
+ ::ok( !$@, "can compose ConcreteA and ConcreteC together" );
}
- foreach my $class (qw/ClassWithSome ClassWithAll/) {
+ foreach my $class (qw/ClassWithSome ClassWithAll ClassWithEverything/) {
foreach my $role (qw/Abstract ConcreteA ConcreteB ConcreteC/) {
ok( $class->does($role), "$class does $role");
}
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