Add basic test to install and discover clients (#620)

* Add basic test to install and discover clients

* Remove travis, use composer1

.github/workflows/run-tests.yml

@@ -0,0 +1,43 @@
+name: Unit Tests
+
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - "*"
+  schedule:
+  - cron: '0 0 * * *'
+
+jobs:
+  php-tests:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    env:
+      COMPOSER_NO_INTERACTION: 1
+
+    strategy:
+      matrix:
+        php: [7.4, 7.3, 7.2]
+        dependency-version: [prefer-lowest, prefer-stable]
+
+    name: P${{ matrix.php }} - ${{ matrix.dependency-version }}
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php }}
+        coverage: none
+        tools: composer
+
+    - name: Install dependencies
+      run: |
+        composer update --${{ matrix.dependency-version }} --prefer-dist --no-progress
+
+    - name: Execute Unit Tests
+      run: composer test

composer.json

@@ -28,10 +28,16 @@
     "require-dev": {
         "omnipay/tests": "^3"
     },
+    "autoload-dev": {
+        "psr-4": { "Omnipay\\Tests\\" : "tests" }
+    },
     "extra": {
         "branch-alias": {
             "dev-master": "3.0.x-dev"
         }
     },
+    "scripts": {
+        "test": "phpunit"
+    },
     "prefer-stable": true
 }

phpunit.xml.dist

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         syntaxCheck="false">
+    <testsuites>
+        <testsuite name="Omnipay Test Suite">
+            <directory>./tests/</directory>
+        </testsuite>
+    </testsuites>
+    <filter>
+        <whitelist>
+            <directory>./src</directory>
+        </whitelist>
+    </filter>
+</phpunit>

tests/OmnipayTest.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Omnipay\Tests;
+
+use Omnipay\Common\Http\Client;
+use Omnipay\Omnipay;
+
+class OmnipayTest extends TestCase
+{
+    public function tearDown()
+    {
+        Omnipay::setFactory(null);
+
+        parent::tearDown();
+    }
+
+    public function testGetFactory()
+    {
+        Omnipay::setFactory(null);
+
+        $factory = Omnipay::getFactory();
+        $this->assertInstanceOf('Omnipay\Common\GatewayFactory', $factory);
+    }
+
+
+    /**
+     * Verify a new Client instance can be instantiated
+     */
+    public function testNewClient()
+    {
+        $client = new Client();
+
+        $this->assertInstanceOf('Omnipay\Common\Http\Client', $client);
+    }
+}