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#!/usr/bin/perl
use strict;
use warnings;
use Test::More tests => 58;
use Test::Exception;
BEGIN {
use_ok('Tree::Simple::Visitor::FromNestedArray');
}
use Tree::Simple;
my $array_tree = [
'Root', [
'Child1', [
'GrandChild1',
'GrandChild2'
],
'Child2'
]
];
can_ok("Tree::Simple::Visitor::FromNestedArray", 'new');
{ # check normal behavior
my $visitor = Tree::Simple::Visitor::FromNestedArray->new();
isa_ok($visitor, 'Tree::Simple::Visitor::FromNestedArray');
isa_ok($visitor, 'Tree::Simple::Visitor');
can_ok($visitor, 'setArrayTree');
$visitor->setArrayTree($array_tree);
can_ok($visitor, 'visit');
my $tree = Tree::Simple->new(Tree::Simple->ROOT);
$tree->accept($visitor);
my $root = $tree->getChild(0);
is($root->getNodeValue(), 'Root', '... got the value we expected from Root');
cmp_ok($root->getChildCount(), '==', 2, '... Root has 2 children');
my ($child1, $child2) = $root->getAllChildren();
is($child1->getNodeValue(), 'Child1', '... got the value we expected from Child1');
cmp_ok($child1->getChildCount(), '==', 2, '... Child1 has 2 children');
my ($grandchild1, $grandchild2) = $child1->getAllChildren();
is($grandchild1->getNodeValue(), 'GrandChild1', '... got the value we expected from GrandChild1');
ok($grandchild1->isLeaf(), '... GrandChild1 is a leaf node');
is($grandchild2->getNodeValue(), 'GrandChild2', '... got the value we expected from GrandChild2');
ok($grandchild2->isLeaf(), '... GrandChild2 is a leaf node');
is($child2->getNodeValue(), 'Child2', '... got the value we expected from Child2');
ok($child2->isLeaf(), '... Child2 is a leaf node');
}
{ # check includeTrunk behavior
my $visitor = Tree::Simple::Visitor::FromNestedArray->new();
isa_ok($visitor, 'Tree::Simple::Visitor::FromNestedArray');
isa_ok($visitor, 'Tree::Simple::Visitor');
can_ok($visitor, 'setArrayTree');
$visitor->setArrayTree($array_tree);
can_ok($visitor, 'includeTrunk');
$visitor->includeTrunk(1);
can_ok($visitor, 'visit');
my $tree = Tree::Simple->new(Tree::Simple->ROOT);
$tree->accept($visitor);
my $root = $tree;
is($root->getNodeValue(), 'Root', '... got the value we expected from Root');
cmp_ok($root->getChildCount(), '==', 2, '... Root has 2 children');
my ($child1, $child2) = $root->getAllChildren();
is($child1->getNodeValue(), 'Child1', '... got the value we expected from Child1');
cmp_ok($child1->getChildCount(), '==', 2, '... Child1 has 2 children');
my ($grandchild1, $grandchild2) = $child1->getAllChildren();
is($grandchild1->getNodeValue(), 'GrandChild1', '... got the value we expected from GrandChild1');
ok($grandchild1->isLeaf(), '... GrandChild1 is a leaf node');
is($grandchild2->getNodeValue(), 'GrandChild2', '... got the value we expected from GrandChild2');
ok($grandchild2->isLeaf(), '... GrandChild2 is a leaf node');
is($child2->getNodeValue(), 'Child2', '... got the value we expected from Child2');
ok($child2->isLeaf(), '... Child2 is a leaf node');
}
{ # check nodeFilter behavior
my $visitor = Tree::Simple::Visitor::FromNestedArray->new();
isa_ok($visitor, 'Tree::Simple::Visitor::FromNestedArray');
isa_ok($visitor, 'Tree::Simple::Visitor');
can_ok($visitor, 'setArrayTree');
$visitor->setArrayTree($array_tree);
can_ok($visitor, 'setNodeFilter');
$visitor->setNodeFilter(sub {
my ($node) = @_;
return uc($node);
});
can_ok($visitor, 'visit');
my $tree = Tree::Simple->new(Tree::Simple->ROOT);
$tree->accept($visitor);
my $root = $tree->getChild(0);
is($root->getNodeValue(), 'ROOT', '... got the value we expected from Root');
cmp_ok($root->getChildCount(), '==', 2, '... Root has 2 children');
my ($child1, $child2) = $root->getAllChildren();
is($child1->getNodeValue(), 'CHILD1', '... got the value we expected from Child1');
cmp_ok($child1->getChildCount(), '==', 2, '... Child1 has 2 children');
my ($grandchild1, $grandchild2) = $child1->getAllChildren();
is($grandchild1->getNodeValue(), 'GRANDCHILD1', '... got the value we expected from GrandChild1');
ok($grandchild1->isLeaf(), '... GrandChild1 is a leaf node');
is($grandchild2->getNodeValue(), 'GRANDCHILD2', '... got the value we expected from GrandChild2');
ok($grandchild2->isLeaf(), '... GrandChild2 is a leaf node');
is($child2->getNodeValue(), 'CHILD2', '... got the value we expected from Child2');
ok($child2->isLeaf(), '... Child2 is a leaf node');
}
{
my $visitor = Tree::Simple::Visitor::FromNestedArray->new();
isa_ok($visitor, 'Tree::Simple::Visitor::FromNestedArray');
isa_ok($visitor, 'Tree::Simple::Visitor');
# check visit
throws_ok {
$visitor->visit();
} qr/Insufficient Arguments/, '... got the error we expected';
throws_ok {
$visitor->visit("Fail");
} qr/Insufficient Arguments/, '... got the error we expected';
throws_ok {
$visitor->visit([]);
} qr/Insufficient Arguments/, '... got the error we expected';
throws_ok {
$visitor->visit(bless({}, "Fail"));
} qr/Insufficient Arguments/, '... got the error we expected';
# check setHashTree
throws_ok {
$visitor->setArrayTree();
} qr/Insufficient Arguments/, '... got the error we expected';
throws_ok {
$visitor->setArrayTree("Fail");
} qr/Insufficient Arguments/, '... got the error we expected';
throws_ok {
$visitor->setArrayTree([]);
} qr/Insufficient Arguments/, '... got the error we expected';
throws_ok {
$visitor->setArrayTree([[]]);
} qr/Incorrect Object Type/, '... got the error we expected';
throws_ok {
$visitor->setArrayTree(['root', 'Fail']);
} qr/Incorrect Object Type/, '... got the error we expected';
$visitor->setArrayTree(['root', [[]]]);
throws_ok {
$visitor->visit(Tree::Simple->new(Tree::Simple->ROOT));
} qr/Incorrect Object Type/, '... got the error we expected';
}
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