Add eqArraySubset, similar to what already exists in PHPUnit

README.md

@@ -200,6 +200,7 @@ Assertion::e164(string $value);
 Assertion::email(mixed $value);
 Assertion::endsWith(mixed $string, string $needle);
 Assertion::eq(mixed $value, mixed $value2);
+Assertion::eqArraySubset(mixed $value, mixed $value2);
 Assertion::extensionLoaded(mixed $value);
 Assertion::extensionVersion(string $extension, string $operator, mixed $version);
 Assertion::false(mixed $value);

lib/Assert/Assertion.php

@@ -40,6 +40,7 @@
  * @method static bool allEmail(mixed $value, string|callable $message = null, string $propertyPath = null) Assert that value is an email address (using input_filter/FILTER_VALIDATE_EMAIL) for all values.
  * @method static bool allEndsWith(mixed $string, string $needle, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that string ends with a sequence of chars for all values.
  * @method static bool allEq(mixed $value, mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that two values are equal (using ==) for all values.
+ * @method static bool allEqArraySubset(mixed $value, mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that the array contains the subset for all values.
  * @method static bool allExtensionLoaded(mixed $value, string|callable $message = null, string $propertyPath = null) Assert that extension is loaded for all values.
  * @method static bool allExtensionVersion(string $extension, string $operator, mixed $version, string|callable $message = null, string $propertyPath = null) Assert that extension is loaded and a specific version is installed for all values.
  * @method static bool allFalse(mixed $value, string|callable $message = null, string $propertyPath = null) Assert that the value is boolean False for all values.
@@ -127,6 +128,7 @@
  * @method static bool nullOrEmail(mixed|null $value, string|callable $message = null, string $propertyPath = null) Assert that value is an email address (using input_filter/FILTER_VALIDATE_EMAIL) or that the value is null.
  * @method static bool nullOrEndsWith(mixed|null $string, string $needle, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that string ends with a sequence of chars or that the value is null.
  * @method static bool nullOrEq(mixed|null $value, mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that two values are equal (using ==) or that the value is null.
+ * @method static bool nullOrEqArraySubset(mixed|null $value, mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that the array contains the subset or that the value is null.
  * @method static bool nullOrExtensionLoaded(mixed|null $value, string|callable $message = null, string $propertyPath = null) Assert that extension is loaded or that the value is null.
  * @method static bool nullOrExtensionVersion(string|null $extension, string $operator, mixed $version, string|callable $message = null, string $propertyPath = null) Assert that extension is loaded and a specific version is installed or that the value is null.
  * @method static bool nullOrFalse(mixed|null $value, string|callable $message = null, string $propertyPath = null) Assert that the value is boolean False or that the value is null.
@@ -309,6 +311,27 @@ public static function eq($value, $value2, $message = null, $propertyPath = null
         return true;
     }
 
+    /**
+     * Assert that the array contains the subset.
+     *
+     * @param mixed                $value
+     * @param mixed                $value2
+     * @param string|callable|null $message
+     * @param string|null          $propertyPath
+     *
+     * @return bool
+     */
+    public static function eqArraySubset($value, $value2, $message = null, $propertyPath = null)
+    {
+        static::isArray($value, $message, $propertyPath);
+        static::isArray($value2, $message, $propertyPath);
+
+        $patched = \array_replace_recursive($value, $value2);
+        static::eq($patched, $value, $message, $propertyPath);
+
+        return true;
+    }
+
     /**
      * Assert that two values are the same (using ===).
      *

lib/Assert/AssertionChain.php

@@ -41,6 +41,7 @@
  * @method AssertionChain email(string|callable $message = null, string $propertyPath = null) Assert that value is an email address (using input_filter/FILTER_VALIDATE_EMAIL).
  * @method AssertionChain endsWith(string $needle, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that string ends with a sequence of chars.
  * @method AssertionChain eq(mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that two values are equal (using ==).
+ * @method AssertionChain eqArraySubset(mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that the array contains the subset.
  * @method AssertionChain extensionLoaded(string|callable $message = null, string $propertyPath = null) Assert that extension is loaded.
  * @method AssertionChain extensionVersion(string $operator, mixed $version, string|callable $message = null, string $propertyPath = null) Assert that extension is loaded and a specific version is installed.
  * @method AssertionChain false(string|callable $message = null, string $propertyPath = null) Assert that the value is boolean False.

lib/Assert/LazyAssertion.php

@@ -40,6 +40,7 @@
  * @method $this email(string|callable $message = null, string $propertyPath = null) Assert that value is an email address (using input_filter/FILTER_VALIDATE_EMAIL).
  * @method $this endsWith(string $needle, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that string ends with a sequence of chars.
  * @method $this eq(mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that two values are equal (using ==).
+ * @method $this eqArraySubset(mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that the array contains the subset.
  * @method $this extensionLoaded(string|callable $message = null, string $propertyPath = null) Assert that extension is loaded.
  * @method $this extensionVersion(string $operator, mixed $version, string|callable $message = null, string $propertyPath = null) Assert that extension is loaded and a specific version is installed.
  * @method $this false(string|callable $message = null, string $propertyPath = null) Assert that the value is boolean False.

tests/Assert/Tests/AssertTest.php

@@ -2209,4 +2209,55 @@ public function testNotBase64()
     {
         Assertion::base64('wrong-content');
     }
+
+    public function invalidEqArraySubsetProvider()
+    {
+        return [
+            'firstArgumentNotArray' => ['notArray', []],
+            'secondArgumentNotArray' => [[], 'notArray'],
+        ];
+    }
+
+    public function testEqArraySubsetValid()
+    {
+        $this->assertTrue(Assertion::eqArraySubset([
+            'a' => [
+                'a1' => 'a2',
+                'a3' => 'a4',
+            ],
+            'b' => [
+                'b1' => 'b2',
+            ],
+        ], [
+            'a' => [
+                'a1' => 'a2',
+            ],
+        ]));
+    }
+
+    /**
+     * @dataProvider invalidEqArraySubsetProvider
+     *
+     * @expectedException \Assert\InvalidArgumentException
+     * @expectedExceptionCode \Assert\Assertion::INVALID_ARRAY
+     */
+    public function testEqArraySubsetInvalid($value, $value2)
+    {
+        Assertion::eqArraySubset($value, $value2);
+    }
+
+    /**
+     * @dataProvider invalidEqArraySubsetProvider
+     *
+     * @expectedException \Assert\InvalidArgumentException
+     * @expectedExceptionCode \Assert\Assertion::INVALID_EQ
+     */
+    public function testEqArraySubsetMismatchingSubset()
+    {
+        Assertion::eqArraySubset([
+            'a' => 'b',
+        ], [
+            'c' => 'd',
+        ]);
+    }
 }