1 files changed, 143 insertions, 0 deletions
diff --git a/test/php/library/Director/PropertyModifier/PropertyModifierArrayElementByPositionTest.php b/test/php/library/Director/PropertyModifier/PropertyModifierArrayElementByPositionTest.php
new file mode 100644
index 0000000..84465f3
--- /dev/null
+++ b/test/php/library/Director/PropertyModifier/PropertyModifierArrayElementByPositionTest.php
@@ -0,0 +1,143 @@
+<?php
+
+namespace Tests\Icinga\Module\Director\Objects;
+
+use Icinga\Module\Director\PropertyModifier\PropertyModifierArrayElementByPosition;
+use Icinga\Module\Director\Test\BaseTestCase;
+
+class PropertyModifierArrayElementByPositionTest extends BaseTestCase
+{
+    /*
+     * Allowed settings:
+     *
+     * position_type: first, last, fixed
+     * position
+     * when_missing: fail, null
+     */
+
+    public function testGivesFirstElementOfArray()
+    {
+        $this->assertEquals(
+            'one',
+            $this->buildModifier('first')->transform(['one', 'two', 'three'])
+        );
+    }
+
+    public function testGivesFirstElementOfObject()
+    {
+        $this->assertEquals(
+            'one',
+            $this->buildModifier('first')->transform((object) ['one', 'two', 'three'])
+        );
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testGettingFirstFailsForEmptyArray()
+    {
+        $this->buildModifier('first')->transform([]);
+    }
+
+    public function testGettingFirstGivesNullForEmptyArray()
+    {
+        $this->assertNull($this->buildModifier('first', null, 'null')->transform([]));
+    }
+
+    public function testGivesLastElementOfArray()
+    {
+        $this->assertEquals(
+            'three',
+            $this->buildModifier('last')->transform(['one', 'two', 'three'])
+        );
+    }
+
+    public function testGivesLastElementOfObject()
+    {
+        $this->assertEquals(
+            'three',
+            $this->buildModifier('last')->transform((object) ['one', 'two', 'three'])
+        );
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testGettingLastFailsForEmptyArray()
+    {
+        $this->buildModifier('last')->transform([]);
+    }
+
+    public function testGettingLastGivesNullForEmptyArray()
+    {
+        $this->assertNull($this->buildModifier('last', null, 'null')->transform([]));
+    }
+
+    public function testGivesSpecificElementOfArray()
+    {
+        $this->assertEquals(
+            'two',
+            $this->buildModifier('fixed', '1')->transform(['one', 'two', 'three'])
+        );
+    }
+
+    public function testGivesSpecificElementOfObject()
+    {
+        $this->assertEquals(
+            'two',
+            $this->buildModifier('fixed', 1)->transform((object) ['one', 'two', 'three'])
+        );
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testGettingSpecificFailsForEmptyArray()
+    {
+        $this->buildModifier('fixed', 1)->transform([]);
+    }
+
+    public function testGettingSpecificGivesNullForEmptyArray()
+    {
+        $this->assertNull($this->buildModifier('fixed', 1, 'null')->transform([]));
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testGettingSpecificFailsForMissingValue()
+    {
+        $this->buildModifier('fixed', 3)->transform(['one', 'two', 'three']);
+    }
+
+    public function testGettingSpecificGivesNullForMissingValue()
+    {
+        $this->assertNull($this->buildModifier('fixed', 3, 'null')->transform(['one', 'two', 'three']));
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testFailsForStrings()
+    {
+        $this->buildModifier('first')->transform('string');
+    }
+
+    public function testAnnouncesArraySupport()
+    {
+        $modifier = new PropertyModifierArrayElementByPosition();
+        $this->assertTrue($modifier->hasArraySupport());
+    }
+
+    protected function buildModifier($type, $position = null, $whenMissing = 'fail')
+    {
+        $modifier = new PropertyModifierArrayElementByPosition();
+        $modifier->setSettings([
+            'position_type' => $type,
+            'position'      => $position,
+            'when_missing'  => $whenMissing,
+        ]);
+
+        return $modifier;
+    }
+}