[9.x] Add new TestResponse helper: assertJsonMissingPath

src/Illuminate/Testing/AssertableJsonString.php

@@ -211,6 +211,19 @@ public function assertMissingExact(array $data)
         return $this;
     }
 
+    /**
+     * Assert that the response does not contain the given path.
+     *
+     * @param  string  $path
+     * @return $this
+     */
+    public function assertMissingPath($path)
+    {
+        PHPUnit::assertFalse(Arr::has($this->json(), $path));
+
+        return $this;
+    }
+
     /**
      * Assert that the expected value and type exists at the given path in the response.
      *

src/Illuminate/Testing/TestResponse.php

@@ -810,6 +810,19 @@ public function assertJsonMissingExact(array $data)
         return $this;
     }
 
+    /**
+     * Assert that the response does not contain the given path.
+     *
+     * @param  array  $data
+     * @return $this
+     */
+    public function assertJsonMissingPath(string $path)
+    {
+        $this->decodeResponseJson()->assertMissingPath($path);
+
+        return $this;
+    }
+
     /**
      * Assert that the response has a given JSON structure.
      *

tests/Testing/TestResponseTest.php

@@ -967,6 +967,45 @@ public function testAssertJsonMissingExactCanFail2()
         $response->assertJsonMissingExact(['id' => 20, 'foo' => 'bar']);
     }
 
+    public function testAssertJsonMissingPath()
+    {
+        $response = TestResponse::fromBaseResponse(new Response(new JsonSerializableMixedResourcesStub));
+
+        // With simple key
+        $response->assertJsonMissingPath('missing');
+
+        // With nested key
+        $response->assertJsonMissingPath('foobar.missing');
+        $response->assertJsonMissingPath('numeric_keys.0');
+    }
+
+    public function testAssertJsonMissingPathCanFail()
+    {
+        $this->expectException(AssertionFailedError::class);
+
+        $response = TestResponse::fromBaseResponse(new Response(new JsonSerializableMixedResourcesStub));
+
+        $response->assertJsonMissingPath('foo');
+    }
+
+    public function testAssertJsonMissingPathCanFail2()
+    {
+        $this->expectException(AssertionFailedError::class);
+
+        $response = TestResponse::fromBaseResponse(new Response(new JsonSerializableMixedResourcesStub));
+
+        $response->assertJsonMissingPath('foobar.foobar_foo');
+    }
+
+    public function testAssertJsonMissingPathCanFail3()
+    {
+        $this->expectException(AssertionFailedError::class);
+
+        $response = TestResponse::fromBaseResponse(new Response(new JsonSerializableMixedResourcesStub));
+
+        $response->assertJsonMissingPath('numeric_keys.3');
+    }
+
     public function testAssertJsonValidationErrors()
     {
         $data = [