Tests: Add unit tests structure

Author: GaryJones

Diff for: .gitattributes

@@ -8,9 +8,10 @@
 /assets             export-ignore
 /.gitattributes     export-ignore
 /.gitignore         export-ignore
+/.phpcs.xml.dist    export-ignore
 /.travis.yml        export-ignore
 /CHANGELOG.md       export-ignore
 /CODE_OF_CONDUCT.md export-ignore
-/.phpcs.xml.dist    export-ignore
+/phpunit.xml.dist   export-ignore
 /README.md          export-ignore
 /readme.txt         export-ignore

Diff for: .gitignore

@@ -1,3 +1,4 @@
 vendor/
 /.phpcs.xml
 /phpcs.xml
+/phpunit.xml

Diff for: .phpcs.xml.dist

@@ -9,7 +9,9 @@
     <arg name="report" value="summary"/>
     <arg name="report" value="source"/>
     <rule ref="ObjectCalisthenics"/>
-    <rule ref="PHPCompatibility" />
+    <rule ref="PHPCompatibility">
+		<exclude-pattern>tests</exclude-pattern>
+	</rule>
 	<config name="testVersion" value="7.0-"/>
     <rule ref="WordPress">
         <exclude name="WordPress.VIP"/>

Diff for: .travis.yml

@@ -16,8 +16,9 @@ php:
 matrix:
   fast_finish: true
   include:
-    # Run PHP CodeSniffer and XMLLint against just PHP 7.0 job.
-    - php: 7.0
+    # Run PHP CodeSniffer and XMLLint against just PHP 7.1 job, even
+    # though the PHPCompatibility config checks against 7.0.
+    - php: 7.1
       env: SNIFF=1 LINT=1
       addons:
         apt:
@@ -46,3 +47,6 @@ script:
   # Check coding standards. Run through composer script, to allow
   # PHP 5.2 compatibility check of main plugin file.
   - if [[ "$SNIFF" == "1" ]]; then composer phpcs; fi
+
+  # Run tests.
+  - ./vendor/bin/phpunit --testsuite unit

Diff for: composer.json

@@ -28,16 +28,28 @@
     },
     "require-dev": {
         "php": "^7.1",
+        "brain/monkey": "^2.1",
         "dealerdirect/phpcodesniffer-composer-installer": "^0.4.3",
         "object-calisthenics/phpcs-calisthenics-rules": "^3",
+        "phpunit/phpunit": "^6.4",
         "squizlabs/php_codesniffer": "3.1",
         "wimg/php-compatibility": "dev-master",
         "wp-coding-standards/wpcs": "dev-develop"
     },
+    "autoload": {
+        "psr-4": {
+            "Gamajo\\GenesisJsNoJs\\": "src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Gamajo\\GenesisJsNoJs\\Tests\\": "tests/"
+        }
+    },
     "scripts": {
         "install-codestandards": [
             "Dealerdirect\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\Plugin::run"
         ],
-        "phpcs": "phpcs && phpcs ./genesis-js-no-js.php -sp --standard=PHPCompatibility --runtime-set testVersion 5.2"
+        "phpcs": "phpcs && phpcs ./genesis-js-no-js.php -sp --standard=PHPCompatibility --runtime-set testVersion 5.2 && phpcs ./tests -sp --standard=PHPCompatibility --runtime-set testVersion 7.1"
     }
 }