chore: remove not empty, add additional tests, update readme

Author: chaseconey

README.md

@@ -67,6 +67,16 @@ $this->assertView('welcome')->in('title')->contains('Laravel');
 $this->assertView('welcome')->in('.content')->contains('Nova');
 ```
 
+### `empty`
+
+Asserts that the view has no text content.
+
+_Note: empty html nodes are not considered in this check._
+
+```php
+$this->assertView('empty')->in('.empty-div')->empty();
+```
+
 ### `first`
 
 Filters the view and returns only the first element matching the selector.

src/ViewAssertion.php

@@ -104,26 +104,18 @@ public function contains(string $text): ViewAssertion
     }
 
     /**
-     * Asserts that the view, at given selector, is empty.
+     * Asserts that the view, at given selector, has no content.
      */
     public function empty(): ViewAssertion
     {
-        Assert::assertEmpty(
-            $this->crawler->html(),
-            "Failed asserting that the text `{$this->crawler->html()}` is empty."
-        );
-
-        return $this;
-    }
+        $content = "";
+        foreach ($this->crawler->getIterator() as $node) {
+            $content .= trim($node->textContent);
+        }
 
-    /**
-     * Asserts that the view, at given selector, is not empty.
-     */
-    public function notEmpty(): ViewAssertion
-    {
-        Assert::assertNotEmpty(
-            $this->crawler->html(),
-            "Failed asserting that the text `{$this->crawler->html()}` is not empty."
+        Assert::assertEmpty(
+            $content,
+            "Failed asserting that the text `{$content}` is empty."
         );
 
         return $this;

tests/AssertEmpty.php

@@ -17,12 +17,14 @@ final class AssertEmpty extends TestCase
     public function testEmpty(): void
     {
         $this->assertView('empty')->in('.empty-div')->empty();
+        $this->assertView('empty')->in('.empty-with-empty-nodes')->empty();
+        $this->assertView('empty')->in('.empty-with-space')->empty();
     }
 
     public function testNotEmpty(): void
     {
         $this->expectException(AssertionFailedError::class);
 
-        $this->assertView('button')->in('.btn')->empty();
+        $this->assertView('empty')->in('.not-empty')->empty();
     }
 }

tests/AssertNotEmpty.php

@@ -1,3 +1,14 @@
 <div>
     <div class="empty-div"></div>
+    <div class="empty-with-space">
+
+    </div>
+    <div class="empty-with-empty-nodes">
+        <span></span>
+    </div>
+
+    <div class="not-empty-text">
+        <span></span>
+        Hello
+    </div>
 </div>