commit

src/ManipulationSequence.php

@@ -13,6 +13,11 @@ class ManipulationSequence implements IteratorAggregate
     /** @var bool */
     protected $startNewGroup = true;
 
+    public function __construct(array $sequenceArray = [])
+    {
+        $this->mergeArray($sequenceArray);
+    }
+
     /**
      * @param string $operation
      * @param string $argument
@@ -38,6 +43,10 @@ public function merge(ManipulationSequence $sequence)
     {
         $sequenceArray = $sequence->toArray();
 
+        $this->mergeArray($sequenceArray);
+    }
+
+    public function mergeArray(array $sequenceArray) {
         foreach ($sequenceArray as $group) {
             foreach ($group as $name => $argument) {
                 $this->addManipulation($name, $argument);

src/Manipulations.php

@@ -39,7 +39,8 @@ class Manipulations
 
     public function __construct(array $manipulations = [])
     {
-        $this->manipulationSequence = new ManipulationSequence();
+        $this->manipulationSequence = new ManipulationSequence($manipulations);
+
     }
 
     /**

tests/ManipulationSequenceTest.php

@@ -223,4 +223,22 @@ public function it_is_serializable()
 
         $this->assertEquals($sequence->toArray(), $unserializedSequence->toArray());
     }
+
+    /** @test */
+    public function it_can_be_constructed_with_a_sequence_array()
+    {
+        $sequenceArray = [
+            [
+                'greyscale' => '',
+                'width' => 50,
+            ],
+            [
+                'height' => 100,
+            ]
+        ];
+
+        $sequence = (new ManipulationSequence($sequenceArray));
+
+        $this->assertEquals($sequenceArray, $sequence->toArray());
+    }
 }

tests/ManipulationsTest.php

@@ -24,4 +24,22 @@ public function it_can_be_serialized()
             $unserializedManipulations->getManipulationSequence()->toArray()
         );
     }
+
+    /** @test */
+    public function it_can_be_constructed_with_a_sequence_array()
+    {
+        $sequenceArray = [
+            [
+                'greyscale' => '',
+                'width' => 50,
+            ],
+            [
+                'height' => 100,
+            ]
+        ];
+
+        $manipulations = (new Manipulations($sequenceArray));
+
+        $this->assertEquals($sequenceArray, $manipulations->getManipulationSequence()->toArray());
+    }
 }