ci: switch to github actions (#88)

.github/workflows/ci.yaml

@@ -0,0 +1,34 @@
+name: ci
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  phpunit:
+    runs-on: "ubuntu-20.04"
+
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version:
+          - "7.4"
+          - "8.0"
+          - "8.1"
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: "Install PHP ${{ matrix.php-version }}"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php-version }}"
+          coverage: "pcov"
+
+      - name: "Install dependencies with Composer"
+        uses: "ramsey/composer-install@v1"
+
+      - name: "Run PHPUnit"
+        run: "vendor/bin/simple-phpunit --coverage-text"

.gitignore

@@ -1,2 +1,3 @@
 vendor/
 composer.lock
+.phpunit.result.cache

README.md

@@ -1,8 +1,6 @@
-EmailReplyParser
-================
+# EmailReplyParser
 
-[![Build
-Status](https://secure.travis-ci.org/willdurand/EmailReplyParser.png)](http://travis-ci.org/willdurand/EmailReplyParser)
+[![GitHub Actions](https://github.com/willdurand/EmailReplyParser/workflows/ci/badge.svg)](https://github.com/willdurand/EmailReplyParser/actions?query=workflow%3A%22ci%22+branch%3Amaster)
 [![Total
 Downloads](https://poser.pugx.org/willdurand/email-reply-parser/downloads.png)](https://packagist.org/packages/willdurand/email-reply-parser)
 [![Latest Stable
@@ -12,23 +10,20 @@ Version](https://poser.pugx.org/willdurand/email-reply-parser/v/stable.png)](htt
 based on GitHub's [email_reply_parser](http://github.com/github/email_reply_parser)
 library written in Ruby.
 
-
-Installation
-------------
+## Installation
 
 The recommended way to install EmailReplyParser is through
 [Composer](http://getcomposer.org/):
 
-``` shell
+```shell
 composer require willdurand/email-reply-parser
 ```
 
-Usage
------
+## Usage
 
 Instantiate an `EmailParser` object and parse your email:
 
-``` php
+```php
 <?php
 
 use EmailReplyParser\Parser\EmailParser;
@@ -39,14 +34,14 @@ $email = (new EmailParser())->parse($emailContent);
 You get an `Email` object that contains a set of `Fragment` objects. The `Email`
 class exposes two methods:
 
-* `getFragments()`: returns all fragments;
-* `getVisibleText()`: returns a string which represents the content considered
+- `getFragments()`: returns all fragments;
+- `getVisibleText()`: returns a string which represents the content considered
   as "visible".
 
 The `Fragment` represents a part of the full email content, and has the
 following API:
 
-``` php
+```php
 <?php
 
 $fragment = current($email->getFragments());
@@ -65,15 +60,13 @@ $fragment->isEmpty();
 Alternatively, you can rely on the `EmailReplyParser` to either parse an email
 or get its visible content in a single line of code:
 
-``` php
+```php
 $email = \EmailReplyParser\EmailReplyParser::read($emailContent);
 
 $visibleText = \EmailReplyParser\EmailReplyParser::parseReply($emailContent);
 ```
 
-
-Known Issues
-------------
+## Known Issues
 
 ### Quoted Headers
 
@@ -84,23 +77,23 @@ Quoted headers aren't picked up if there's an extra line break:
     > blah
 
 Also, they're not picked up if the email client breaks it up into
-multiple lines.  GMail breaks up any lines over 80 characters for you.
+multiple lines. GMail breaks up any lines over 80 characters for you.
 
     On <date>, <author>
     wrote:
     > blah
 
 The above `On ....wrote:` can be cleaned up with the following regex:
 
-``` php
+```php
 $fragment_without_date_author = preg_replace(
-    '/\nOn(.*?)wrote:(.*?)$/si',
-    '',
-    $fragment->getContent()
+  '/\nOn(.*?)wrote:(.*?)$/si',
+  "",
+  $fragment->getContent()
 );
 ```
 
-Note though that we're search for "on" and "wrote".  Therefore, it won't work
+Note though that we're search for "on" and "wrote". Therefore, it won't work
 with other languages.
 
 Possible solution: Remove "reply@reply.github.com" lines...
@@ -127,8 +120,6 @@ Not everyone follows this convention:
     * Note: blah blah blah                                            *
     **********************DISCLAIMER***********************************
 
-
-
 ### Strange Quoting
 
 Apparently, prefixing lines with `>` isn't universal either:
@@ -143,34 +134,26 @@ Apparently, prefixing lines with `>` isn't universal either:
     Sent: Monday, March 14, 2011 6:16 PM
     To: Rick
 
-
-Unit Tests
-----------
+## Unit Tests
 
 Setup the test suite using Composer:
 
     $ composer install
 
 Run it using PHPUnit:
 
-    $ ./vendor/bin/phpunit
-
+    $ ./vendor/bin/simple-phpunit
 
-Contributing
-------------
+## Contributing
 
 See CONTRIBUTING file.
 
+## Credits
 
-Credits
--------
-
-* GitHub
-* William Durand
-
+- GitHub
+- William Durand
 
-License
--------
+## License
 
 EmailReplyParser is released under the MIT License. See the bundled LICENSE
 file for details.

composer.json

@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "php": ">=7.3.0"
+        "php": ">=7.4.0"
     },
     "autoload": {
         "psr-4": { "EmailReplyParser\\": "src/EmailReplyParser" }
@@ -25,6 +25,6 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.5"
+        "symfony/phpunit-bridge": "^5.0"
     }
 }

src/EmailReplyParser/Parser/EmailParser.php

@@ -68,6 +68,10 @@ class EmailParser
      */
     public function parse($text)
     {
+        if (!is_string($text)) {
+            return new Email();
+        }
+
         $text = str_replace(array("\r\n", "\r"), "\n", $text);
 
         foreach ($this->quoteHeadersRegex as $regex) {