units methods

lib/RetailCrm/Methods/V5/References.php

@@ -245,4 +245,49 @@ trait References
             ['courier' => json_encode($courier)]
         );
     }
+
+    /**
+     * Get units
+     *
+     * @throws \InvalidArgumentException
+     * @throws \RetailCrm\Exception\CurlException
+     * @throws \RetailCrm\Exception\InvalidJsonException
+     *
+     * @return \RetailCrm\Response\ApiResponse
+     */
+    public function unitsList()
+    {
+        /* @noinspection PhpUndefinedMethodInspection */
+        return $this->client->makeRequest(
+            '/reference/units',
+            "GET"
+        );
+    }
+
+    /**
+     * Edit unit
+     *
+     * @param array $unit
+     *
+     * @throws \InvalidArgumentException
+     * @throws \RetailCrm\Exception\CurlException
+     * @throws \RetailCrm\Exception\InvalidJsonException
+     *
+     * @return \RetailCrm\Response\ApiResponse
+     */
+    public function unitsEdit(array $unit)
+    {
+        if (empty($unit['code']) || empty($unit['name']) || empty($unit['sym'])) {
+            throw new \InvalidArgumentException(
+                '`code`, `name` and `sym` parameters must not be empty.'
+            );
+        }
+
+        /* @noinspection PhpUndefinedMethodInspection */
+        return $this->client->makeRequest(
+            sprintf('/reference/units/%s/edit', $unit['code']),
+            "POST",
+            ['unit' => json_encode($unit)]
+        );
+    }
 }

tests/RetailCrm/Tests/Methods/Version5/ApiClientReferenceTest.php

@@ -137,6 +137,40 @@ class ApiClientReferenceTest extends TestCase
         }
     }
 
+    /**
+     * @group reference_v5
+     */
+    public function testUnitsEditing()
+    {
+        $client = static::getApiClient();
+
+        $unit = [
+            'code' => 'test',
+            'name' => 'Test',
+            'sym' => 'tst'
+        ];
+
+        $response = $client->request->unitsEdit($unit);
+
+        static::assertTrue(in_array($response->getStatusCode(), [200, 201]));
+    }
+
+    /**
+     * @group reference_v5
+     * @expectedException \InvalidArgumentException
+     */
+    public function testUnitsEditingFail()
+    {
+        $client = static::getApiClient();
+
+        $unit = [
+            'name' => 'Test',
+            'sym' => 'tst'
+        ];
+
+        $client->request->unitsEdit($unit);
+    }
+
     /**
      * @return array
      */
@@ -155,7 +189,8 @@ class ApiClientReferenceTest extends TestCase
             ['sites'],
             ['stores'],
             ['couriers'],
-            ['costs']
+            ['costs'],
+            ['units']
         ];
     }