From 5f1e1189d4028a40dc5d0b409058e79be60ffdb7 Mon Sep 17 00:00:00 2001
From: Nuno Maduro <enunomaduro@gmail.com>
Date: Mon, 16 Nov 2020 16:14:47 +0100
Subject: [PATCH] Adds possibility of assert content on filesystem assertExist
 (#35231)

---
 src/Illuminate/Filesystem/FilesystemAdapter.php | 13 ++++++++++++-
 tests/Filesystem/FilesystemAdapterTest.php      | 15 +++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/src/Illuminate/Filesystem/FilesystemAdapter.php b/src/Illuminate/Filesystem/FilesystemAdapter.php
index fb3ffdc39255..1c33b9892676 100644
--- a/src/Illuminate/Filesystem/FilesystemAdapter.php
+++ b/src/Illuminate/Filesystem/FilesystemAdapter.php
@@ -52,9 +52,10 @@ public function __construct(FilesystemInterface $driver)
      * Assert that the given file exists.
      *
      * @param  string|array  $path
+     * @param  string|null  $content
      * @return $this
      */
-    public function assertExists($path)
+    public function assertExists($path, $content = null)
     {
         $paths = Arr::wrap($path);
 
@@ -62,6 +63,16 @@ public function assertExists($path)
             PHPUnit::assertTrue(
                 $this->exists($path), "Unable to find a file at path [{$path}]."
             );
+
+            if (! is_null($content)) {
+                $actual = $this->get($path);
+
+                PHPUnit::assertSame(
+                    $content,
+                    $actual,
+                    "File [{$path}] was found, but content [{$actual}] does not match [{$content}]."
+                );
+            }
         }
 
         return $this;
diff --git a/tests/Filesystem/FilesystemAdapterTest.php b/tests/Filesystem/FilesystemAdapterTest.php
index 6f4d396ed120..8e2cac163ce0 100644
--- a/tests/Filesystem/FilesystemAdapterTest.php
+++ b/tests/Filesystem/FilesystemAdapterTest.php
@@ -262,6 +262,11 @@ public function testPutFileAs()
         $filesystemAdapter->assertExists($storagePath);
 
         $this->assertSame('uploaded file content', $filesystemAdapter->read($storagePath));
+
+        $filesystemAdapter->assertExists(
+            $storagePath,
+            'uploaded file content'
+        );
     }
 
     public function testPutFileAsWithAbsoluteFilePath()
@@ -290,6 +295,11 @@ public function testPutFile()
         $this->assertFileExists($filePath);
 
         $filesystemAdapter->assertExists($storagePath);
+
+        $filesystemAdapter->assertExists(
+            $storagePath,
+            'uploaded file content'
+        );
     }
 
     public function testPutFileWithAbsoluteFilePath()
@@ -303,5 +313,10 @@ public function testPutFileWithAbsoluteFilePath()
         $this->assertSame(44, strlen($storagePath)); // random 40 characters + ".txt"
 
         $filesystemAdapter->assertExists($storagePath);
+
+        $filesystemAdapter->assertExists(
+            $storagePath,
+            'uploaded file content'
+        );
     }
 }