Initial Commit

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true

.gitattributes

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+*.md    diff=markdown
+*.php   diff=php
+
+/.editorconfig      export-ignore
+/.gitignore         export-ignore
+/.gitattributes     export-ignore
+/phpunit.xml.dist   export-ignore
+/tests              export-ignore

.gitignore

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+/vendor
+composer.lock
+.phpunit.result.cache
+.DS_Store

LICENSE.md

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+MIT License
+
+Copyright (c) Johan Rosenson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE

README.md

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+<p align="center">
+    <a href="https://packagist.org/packages/devlop/phpunit-exception-assertions"><img src="https://img.shields.io/packagist/v/devlop/phpunit-exception-assertions" alt="Latest Stable Version"></a>
+    <a href="https://github.com/devlop-ab/phpunit-exception-assertions/blob/master/LICENSE.md"><img src="https://img.shields.io/packagist/l/devlop/phpunit-exception-assertions" alt="License"></a>
+</p>
+
+# PHPUnit Exception Assertions
+
+...
+
+# Installation
+
+...
+
+# Usage
+
+...

composer.json

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+{
+    "name": "devlop/phpunit-exception-assertions",
+    "description": "PHPUnit assertions for exceptions.",
+    "type": "library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Johan Rosenson",
+            "email": "johan@devlop.se"
+        }
+    ],
+    "require": {
+        "php": "^7.4|^8.0"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^9.5"
+    },
+    "autoload": {
+        "psr-4": {
+            "Devlop\\PHPUnit\\": "src/"
+        }
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.x-dev"
+        }
+    }
+}

src/ExceptionAssertions.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Devlop\PHPUnit;
+
+use Throwable;
+
+trait ExceptionAssertions
+{
+    /**
+     * Assert that a specific exception was thrown during executing of the callback
+     * Returns the thrown exception if additional assertions needs to be done
+     *
+     * @param  class-string  $expectedException
+     * @param  callable  $callback
+     * @return void
+     */
+    public function assertExceptionThrown(string $expectedException, callable $callback, ?callable $validator = null) : Throwable
+    {
+        $thrownException = null;
+
+        try {
+            $callback();
+        } catch (Throwable $e) {
+            $thrownException = $e;
+        }
+
+        $this->assertInstanceOf(
+            $expectedException,
+            $thrownException,
+            $thrownException === null
+                ? \sprintf('Failed asserting that an exception of type "%1$s" was thrown, no exception was thrown.', $expectedException)
+                : \sprintf(
+                    'Failed asserting that an exception of type "%1$s" was thrown, the thrown exception was of type "%2$s".',
+                    $expectedException,
+                    \get_class($thrownException),
+                ),
+        );
+
+        if ($validator !== null) {
+            $validator($thrownException);
+        }
+
+        return $thrownException;
+    }
+
+    /**
+     * Assert that a specific exception was not thrown during execution of the callback
+     * Assertion will pass if no exceptions was thrown or an exception
+     * was thrown but not instanceof $expectedException
+     *
+     * @param  class-string  $expectedException
+     * @param  callable  $callback
+     * @return void
+     */
+    public function assertExceptionNotThrown(string $expectedException, callable $callback) : void
+    {
+        $thrownException = null;
+
+        try {
+            $callback();
+        } catch (Throwable $e) {
+            $thrownException = $e;
+        }
+
+        $this->assertNotInstanceOf(
+            $expectedException,
+            $thrownException,
+            \sprintf(
+                'Failed asserting that an exception of type "%1$s" was not thrown.',
+                $expectedException,
+            ),
+        );
+    }
+
+    /**
+     * Assert that no exceptions was thrown during execution of the callback
+     *
+     * @param  callable  $callback
+     * @return void
+     */
+    public function assertNoExceptionsThrown(callable $callback) : void
+    {
+        $thrownException = null;
+
+        try {
+            $callback();
+        } catch (Throwable $e) {
+            $thrownException = $e;
+        }
+
+        $this->assertNull(
+            $thrownException,
+            \sprintf(
+                'Failed asserting that no exceptions was thrown, exception of type "%1$s was thrown.',
+                \get_class($thrownException),
+            ),
+        );
+    }
+}