composer.json

{
    "name": "caldera-learn/rest-api-search",
    "description": "Example code for a plugin that modifies default post routes to improve search",
    "type": "wordpress-plugin",
    "require-dev": {
        "php": "^7.1",
        "phpunit/phpunit": "^7.0",
        "squizlabs/php_codesniffer": "^3.2",
        "jakub-onderka/php-parallel-lint": "^1.0",
        "brainmaestro/composer-git-hooks": "^2.4"
    },
    "license": "GPL-2.0",
    "authors": [
        {
            "name": "Josh Pollock",
            "email": "josh@calderawp.com"
        }
    ],
    "require": {},
    "scripts" : {
        "tests" : "composer fixes && composer sniffs && composer test",
        "test": "composer unit-tests",
        "unit-tests": "phpunit --testsuite=unit",
        "phpunit-v": "phpunit --version",
        "sniffs" : "phpcs src/ && phpcs tests/",
        "fixes" : "phpcbf src/ && phpcbf tests/",
        "lints" : "parallel-lint ./src  --blame --exclude vendor && parallel-lint ./tests  --blame --exclude vendor",
        "post-install-cmd": "vendor/bin/cghooks add --ignore-lock",
        "post-update-cmd": "vendor/bin/cghooks update"
    },
    "autoload": {
        "psr-4": {
            "CalderaLearn\\RestSearch\\": "src"
        },
        "files": ["src/functions.php"]

    },
    "autoload-dev": {
        "psr-4": {
            "CalderaLearn\\RestSearch\\Tests\\": "tests/"
        },
        "files": ["Tests/Mock/WP_Post.php"]
    },
    "extra": {
        "hooks": {
            "pre-commit": "composer fixes && composer sniffs"
        }
    }

}

ExampleTest.php

<?php

namespace CalderaLearn\RestSearch\Tests\Unit;

/**
 * Class ExampleTest
 *
 * An example unit test
 *
 * @package CalderaLearn\RestSearch\Tests\Unit
 */
class ExampleTest extends TestCase
{
	/**
	 * Super basic test for educational purposes
	 *
	 * @covers TestCase
	 */
	public function testTheTruth()
	{
		//What should the value be?
		$excepted = true;
		//What is the value actually
		$actual = false;
		//Are they not the same?
		$this->assertNotEquals($excepted, $actual);
	}
}

phpcs.xml.dist

<?xml version="1.0"?>
<!--Largely Sourced Form https://gist.github.com/gsherwood/9d22f634c57f990a7c64-->
<ruleset name="CalderaLearn">
    <description>PSR2 with tabs instead of spaces.</description>
    <arg name="tab-width" value="4"/>
    <rule ref="PSR2">
        <exclude name="Generic.WhiteSpace.DisallowTabIndent"/>
    </rule>
    <rule ref="Generic.WhiteSpace.DisallowSpaceIndent"/>
    <rule ref="Generic.WhiteSpace.ScopeIndent">
        <properties>
            <property name="indent" value="4"/>
            <property name="tabIndent" value="true"/>
        </properties>
    </rule>
    <!-- The soft limit on line length MUST be 120 characters; automated style checkers MUST warn but MUST NOT error at the soft limit. -->
     <rule ref="Generic.Files.LineLength">
      <properties>
       <property name="lineLimit" value="120"/>
       <property name="absoluteLineLimit" value="0"/>
      </properties>
     </rule>
</rulese

TestCase.php

<?php

namespace CalderaLearn\RestSearch\Tests\Unit;

//Import PHP unit test case.
//Must be aliased to avoid having two classes of same name in scope.
use PHPUnit\Framework\TestCase as FrameworkTestCase;

/**
 * Class TestCase
 *
 * Default test case for all unit tests
 * @package CalderaLearn\RestSearch\Tests\Unit
 */
abstract class TestCase extends FrameworkTestCase
{
	//We'll put shared code for all tests here later
}