add a single test, add php_cs configuration

.gitignore

@@ -1,3 +1,5 @@
 /vendor/
 /build/
-*.phar
+*.phar
+.php_cs.cache
+.php_cs

.php_cs.dist

@@ -0,0 +1,43 @@
+<?php
+
+$header = <<<'EOF'
+This software is licensed under MIT License.
+
+Copyright (c) 2012, Kazuyuki Hayashi
+EOF;
+
+return PhpCsFixer\Config::create()
+    ->setRiskyAllowed(true)
+    ->setRules([
+        '@Symfony' => true,
+        '@Symfony:risky' => true,
+        'array_syntax' => ['syntax' => 'short'],
+        'binary_operator_spaces' => ['align_double_arrow' => true, 'align_equals' => true],
+        'combine_consecutive_unsets' => true,
+        // one should use PHPUnit methods to set up expected exception instead of annotations
+        'general_phpdoc_annotation_remove' => ['expectedException', 'expectedExceptionMessage', 'expectedExceptionMessageRegExp'],
+        'header_comment' => ['header' => $header],
+        'heredoc_to_nowdoc' => true,
+        'list_syntax' => ['syntax' => 'long'],
+        'no_extra_consecutive_blank_lines' => ['break', 'continue', 'extra', 'return', 'throw', 'use', 'parenthesis_brace_block', 'square_brace_block', 'curly_brace_block'],
+        'no_short_echo_tag' => true,
+        'no_unreachable_default_argument_value' => true,
+        'no_useless_else' => true,
+        'no_useless_return' => true,
+        'ordered_class_elements' => true,
+        'ordered_imports' => true,
+        'php_unit_strict' => true,
+        'php_unit_test_class_requires_covers' => true,
+        'phpdoc_add_missing_param_annotation' => true,
+        'phpdoc_order' => true,
+        'semicolon_after_instruction' => true,
+        'strict_comparison' => true,
+        'strict_param' => true,
+    ])
+    ->setFinder(
+        PhpCsFixer\Finder::create()
+            ->exclude('tests/Fixtures')
+            ->exclude('vendor')
+            ->in(__DIR__)
+    )
+;

composer.json

@@ -16,7 +16,21 @@
     "require": {
         "php": ">=5.6"
     },
+    "require-dev": {
+        "phpunit/phpunit": "~4.8"
+    },
     "autoload": {
         "psr-0": { "": "src/" }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "KzykHys\\ClassGenerator\\Tests\\": "tests/"
+        }
+    },
+    "scripts": {
+        "test": "vendor/bin/phpunit --testsuite unit && vendor/bin/phpunit --testsuite functional",
+        "test-all": "vendor/bin/phpunit --testsuite all",
+        "test-integration": "vendor/bin/phpunit --testsuite integration",
+        "test-coverage": "vendor/bin/phpunit --testsuite all --coverage-text --coverage-clover=build/coverage.xml"
     }
 }