1 files changed, 39 insertions, 0 deletions
diff --git a/test/php/library/Businessprocess/BpNodeTest.php b/test/php/library/Businessprocess/BpNodeTest.php
new file mode 100644
index 0000000..c3da723
--- /dev/null
+++ b/test/php/library/Businessprocess/BpNodeTest.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Tests\Icinga\Module\Businessprocess;
+
+use Icinga\Module\Businessprocess\BpNode;
+use Icinga\Module\Businessprocess\Test\BaseTestCase;
+
+class BpNodeTest extends BaseTestCase
+{
+    public function testThrowsNestingErrorWhenCheckedForLoops()
+    {
+        $this->expectException(\Icinga\Module\Businessprocess\Exception\NestingError::class);
+
+        /** @var BpNode $bpNode */
+        $bpNode = $this->makeLoop()->getNode('d');
+        $bpNode->checkForLoops();
+    }
+
+    public function testNestingErrorReportsFullLoop()
+    {
+        $this->expectException(\Icinga\Module\Businessprocess\Exception\NestingError::class);
+        $this->expectExceptionMessage('d -> a -> b -> c -> a');
+
+        /** @var BpNode $bpNode */
+        $bpNode = $this->makeLoop()->getNode('d');
+        $bpNode->checkForLoops();
+    }
+
+    public function testStateForALoopGivesUnknown()
+    {
+        $loop = $this->makeLoop();
+        /** @var BpNode $bpNode */
+        $bpNode = $loop->getNode('d');
+        $this->assertEquals(
+            'UNKNOWN',
+            $bpNode->getStateName()
+        );
+    }
+}