feat: Add assertZipHasFileWithCrc() assertion for zip files

Author: Stephan Wentz

src/ZipContents/ZipContentsTrait.php

@@ -55,4 +55,17 @@ final protected static function assertZipHasFileWithSize(
 
         Assert::assertSame($expectedSize, $file->getSize(), $message);
     }
+
+    final protected static function assertZipHasFileWithCrc(
+        string $expectedPath,
+        string $expectedCrc,
+        ZipInfo $zip,
+        string $message = '',
+    ): void {
+        self::assertZipHasFile($expectedPath, $zip, $message);
+
+        $file = $zip->getFile($expectedPath);
+
+        Assert::assertSame($expectedCrc, $file->getCrcAsHex(), $message);
+    }
 }

tests/ZipContents/ZipContentsTraitTest.php

@@ -125,4 +125,31 @@ public function testAssertZipHasFileWithSizeForZipStream(): void
 
         self::assertZipHasFileWithSize('my-file.txt', 7, $zip);
     }
+
+    public function testAssertZipHasFileWithCrcForZipFileFails(): void
+    {
+        $zip = self::readZipFile(self::FILE);
+
+        try {
+            self::assertZipHasFileWithCrc('foo.txt', 'b22c9747', $zip, 'assertZipHasFileWithCrc');
+
+            self::fail('ExpectationFailedException was not thrown.');
+        } catch (ExpectationFailedException $e) {
+            self::assertStringContainsString('assertZipHasFileWithCrc', $e->getMessage());
+        }
+    }
+
+    public function testAssertZipHasFileWithCrcForZipFile(): void
+    {
+        $zip = self::readZipFile(self::FILE);
+
+        self::assertZipHasFileWithCrc('my-file.txt', 'b22c9747', $zip);
+    }
+
+    public function testAssertZipHasFileWithCrcForZipStream(): void
+    {
+        $zip = self::readZipStream(fopen(self::FILE, 'rb'), filesize(self::FILE));
+
+        self::assertZipHasFileWithCrc('my-file.txt', 'b22c9747', $zip);
+    }
 }