Fix edge case augmentation to string issues (#335)

* Add test coverage for parsing antlers syntax in cascade.

* We should only need the raw values here (this stuff is under test).

* Ignore phpunit cache.

.gitignore

@@ -4,3 +4,4 @@ node_modules
 composer.lock
 /vendor
 .phpunit.result.cache
+.phpunit.cache

src/Cascade.php

@@ -212,13 +212,13 @@ protected function parse($key, $item)
             : $item;
 
         // If they have antlers in the string, they are on their own.
-        if (is_string($raw) && Str::contains($item, '{{')) {
-            return $this->parseAntlers($item);
+        if (is_string($raw) && Str::contains($raw, '{{')) {
+            return $this->parseAntlers($raw);
         }
 
         // For source-based strings, we should get the value from the source.
-        if (is_string($raw) && Str::startsWith($item, '@seo:')) {
-            $field = explode('@seo:', $item)[1];
+        if (is_string($raw) && Str::startsWith($raw, '@seo:')) {
+            $field = explode('@seo:', $raw)[1];
 
             if (Str::contains($field, '/')) {
                 $field = explode('/', $field)[1];

tests/CascadeTest.php

@@ -108,6 +108,24 @@ public function it_generates_compiled_title_from_cascaded_parts()
         $this->assertEquals('Cool Writings >>> Jamaica', $data['compiled_title']);
     }
 
+    /** @test */
+    public function it_parses_antlers()
+    {
+        $entry = Entry::findByUri('/about')->entry();
+
+        $entry->data(['favourite_colour' => 'Red'])->save();
+
+        $data = (new Cascade)
+            ->with(SiteDefaults::load()->all())
+            ->with([
+                'description' => '{{ favourite_colour | upper }}',
+            ])
+            ->withCurrent($entry)
+            ->get();
+
+        $this->assertEquals('RED', $data['description']);
+    }
+
     /** @test */
     public function it_parses_field_references()
     {