Update tests.

Author: drupol

spec/drupol/phptree/Exporter/GraphSpec.php

@@ -13,15 +13,15 @@ class GraphSpec extends ObjectBehavior
 {
     public function it_can_generate_a_graph()
     {
-        $root = new ValueNode('root');
-        $child1 = new ValueNode();
-        $child2 = new ValueNode();
-        $child3 = new ValueNode();
-        $root
+        $tree = new ValueNode('root');
+        $child1 = new ValueNode('child1');
+        $child2 = new ValueNode('child2');
+        $child3 = new ValueNode('child3');
+        $tree
             ->add($child1, $child2, $child3);
 
         $this
-            ->export($root)
+            ->export($tree)
             ->shouldReturnAnInstanceOf(\Fhaculty\Graph\Graph::class);
 
         $this
@@ -36,7 +36,7 @@ public function it_can_generate_a_graph()
 
         $traverser = new BreadthFirst();
 
-        $nodes = \iterator_to_array($traverser->traverse($root));
+        $nodes = \iterator_to_array($traverser->traverse($tree));
 
         for ($i = 0; \count($nodes) - 1 > $i; ++$i) {
             $node0 = $nodes[0];

spec/drupol/phptree/Node/NaryNodeSpec.php

@@ -14,9 +14,7 @@ public function it_can_be_counted()
         $this->beConstructedWith(2);
 
         foreach (\range('A', 'Z') as $value) {
-            $node = new NaryNode(2);
-
-            $this->add($node);
+            $this->add(new NaryNode(2));
         }
 
         $this

spec/drupol/phptree/Node/NodeSpec.php

@@ -6,6 +6,7 @@
 
 use drupol\phptree\Node\Node;
 use drupol\phptree\Node\NodeInterface;
+use drupol\phptree\Node\ValueNode;
 use PhpSpec\ObjectBehavior;
 
 class NodeSpec extends ObjectBehavior
@@ -114,7 +115,7 @@ public function it_can_get_its_depth()
             ->depth()
             ->shouldReturn(0);
 
-        $tree = new \drupol\phptree\Node\ValueNode('root', 2);
+        $tree = new ValueNode('root', 2);
 
         $tree->add($this->getWrappedObject());
 
@@ -124,16 +125,14 @@ public function it_can_get_its_depth()
 
         $nodes = [];
         foreach (\range('A', 'Z') as $v) {
-            $nodes[] = new \drupol\phptree\Node\ValueNode($v, 2);
+            $nodes[] = new ValueNode($v, 2);
         }
 
         $tree->add(...$nodes);
 
-        $tree->add($this->getWrappedObject());
-
         $this
             ->depth()
-            ->shouldReturn(4);
+            ->shouldReturn(1);
     }
 
     public function it_can_get_its_height()
@@ -144,7 +143,7 @@ public function it_can_get_its_height()
 
         $tree = $this;
         foreach (\range('A', 'B') as $key => $v) {
-            $node = new \drupol\phptree\Node\ValueNode($v, 1);
+            $node = new ValueNode($v, 1);
             $tree->add($node);
             $tree = $node;
         }
@@ -154,7 +153,7 @@ public function it_can_get_its_height()
             ->shouldReturn(2);
 
         foreach (\range('C', 'F') as $key => $v) {
-            $node = new \drupol\phptree\Node\ValueNode($v, 1);
+            $node = new ValueNode($v, 1);
             $tree->add($node);
             $tree = $node;
         }

spec/drupol/phptree/Node/ValueNodeSpec.php

@@ -21,6 +21,9 @@ public function it_can_be_set_with_a_value()
 
     public function it_is_initializable()
     {
+        $this
+            ->beConstructedWith('root');
+
         $this->shouldHaveType(ValueNode::class);
 
         $this->children()->shouldYield(new \ArrayIterator([]));