AssignRenderer: improve/separate in-related code

fixes #844

library/Director/IcingaConfig/AssignRenderer.php

@@ -75,6 +75,15 @@ class AssignRenderer
         }
     }
 
+    protected function renderInArray($column, $expression)
+    {
+        return sprintf(
+            '%s in %s',
+            $column,
+            $expression
+        );
+    }
+
     protected function renderContains(FilterExpression $filter)
     {
         return sprintf(
@@ -91,14 +100,27 @@ class AssignRenderer
         }
 
         $column = $filter->getColumn();
-        $expression = $this->renderExpressionValue(json_decode($filter->getExpression()));
+        $rawExpression = json_decode($filter->getExpression());
+        $expression = $this->renderExpressionValue($rawExpression);
+
+        if (is_array($rawExpression) && $filter instanceof FilterMatch) {
+            return $this->renderInArray($column, $expression);
+        }
 
         if ($filter instanceof FilterEqual) {
-            return sprintf(
-                '%s == %s',
-                $column,
-                $expression
-            );
+            if (is_array($rawExpression)) {
+                return sprintf(
+                    '%s in %s',
+                    $column,
+                    $expression
+                );
+            } else {
+                return sprintf(
+                    '%s == %s',
+                    $column,
+                    $expression
+                );
+            }
         } elseif ($filter instanceof FilterMatch) {
             if (strpos($expression, '*') === false) {
                 return $this->renderEquals($column, $expression);

library/Director/IcingaConfig/IcingaConfigHelper.php

@@ -137,9 +137,10 @@ class IcingaConfigHelper
             return static::renderFloat($value);
         // TODO:
         // } elseif (is_object($value) || static::isAssocArray($value)) {
-        //     return static::renderHash($value, $prefix);
-        // } elseif (is_array($value)) {
-        //     return static::renderArray($value, $prefix);
+        //     return static::renderHash($value, $prefix)
+        // TODO: also check array
+        } elseif (is_array($value)) {
+            return static::renderArray($value);
         } elseif (is_string($value)) {
             return static::renderString($value);
         } else {

test/php/library/Director/IcingaConfig/AssignRendererTest.php

@@ -8,7 +8,7 @@ use Icinga\Module\Director\Test\BaseTestCase;
 
 class AssignRendererTest extends BaseTestCase
 {
-    public function testWhetherEqualMatchIsCorrectlyRendered()
+    public function testEqualMatchIsCorrectlyRendered()
     {
         $string = 'host.name="localhost"';
         $expected = 'assign where host.name == "localhost"';
@@ -18,7 +18,7 @@ class AssignRendererTest extends BaseTestCase
         );
     }
 
-    public function testWhetherWildcardsRenderAMatchMethod()
+    public function testWildcardsRenderAMatchMethod()
     {
         $string = 'host.address="127.0.0.*"';
         $expected = 'assign where match("127.0.0.*", host.address)';
@@ -28,7 +28,7 @@ class AssignRendererTest extends BaseTestCase
         );
     }
 
-    public function testWhetherACombinedFilterRendersCorrectly()
+    public function testACombinedFilterRendersCorrectly()
     {
         $string = 'host.name="*internal"|(service.vars.priority<2'
             . '&host.vars.is_clustered=true)';
@@ -42,7 +42,7 @@ class AssignRendererTest extends BaseTestCase
         );
     }
 
-    public function testWhetherSlashesAreNotEscaped()
+    public function testSlashesAreNotEscaped()
     {
         $string = 'host.name=' . json_encode('a/b');
 
@@ -54,7 +54,7 @@ class AssignRendererTest extends BaseTestCase
         );
     }
 
-    public function testWhetherFakeContainsOperatorRendersCorrectly()
+    public function testFakeContainsOperatorRendersCorrectly()
     {
         $string = json_encode('member') . '=host.groups';
 
@@ -75,6 +75,18 @@ class AssignRendererTest extends BaseTestCase
         );
     }
 
+    public function testInArrayIsRenderedCorrectly()
+    {
+        $string = 'host.name=' . json_encode(array('a' ,'b'));
+
+        $expected = 'assign where host.name in [ "a", "b" ]';
+
+        $this->assertEquals(
+            $expected,
+            $this->renderer($string)->renderAssign()
+        );
+    }
+
     protected function renderer($string)
     {
         return AssignRenderer::forFilter(Filter::fromQueryString($string));