Adds Unit Tests. Support for PHP 8.

* Added info about Laravel package

* Adds unit tests

* Adds workflow to run tests

* Adds FIXERIO_API_KEY to env in github action

Author: abbasali

.github/workflows/tests.yml

@@ -0,0 +1,36 @@
+name: tests
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  tests:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+      matrix:
+        php: [7.3, 7.4, 8.0]
+
+    name: Run Test (PHP ${{ matrix.php }})
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Setup PHP, with composer and extensions
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: dom, curl, libxml, mbstring, zip, fileinfo
+          tools: composer:v2
+          coverage: none
+
+      - name: Install dependencies
+        run: |
+           composer install --prefer-dist --no-interaction --no-progress
+      - name: Execute tests
+        run: vendor/bin/phpunit tests --verbose --testdox
+        env:
+          FIXERIO_API_KEY: ${{ secrets.FIXERIO_API_KEY }}

.gitignore

@@ -0,0 +1,9 @@
+/vendor
+composer.phar
+composer.lock
+.DS_Store
+Thumbs.db
+/phpunit.xml
+/.idea
+/.vscode
+.phpunit.result.cache

README.md

@@ -1,7 +1,24 @@
+<p align="center">
+    <a href="https://github.com/ranium/fixerio-php-client/actions">
+        <img src="https://github.com/ranium/fixerio-php-client/workflows/tests/badge.svg" alt="Build Status">
+    </a>
+    <a href="https://packagist.org/packages/ranium/fixerio-php-client">
+        <img src="https://img.shields.io/packagist/dt/ranium/fixerio-php-client" alt="Total Downloads">
+    </a>
+    <a href="https://packagist.org/packages/ranium/fixerio-php-client">
+        <img src="https://img.shields.io/packagist/v/ranium/fixerio-php-client" alt="Latest Stable Version">
+    </a>
+    <a href="https://packagist.org/packages/ranium/fixerio-php-client">
+        <img src="https://img.shields.io/packagist/l/ranium/fixerio-php-client" alt="License">
+    </a>
+</p>
+
 # Fixer.io PHP Client
 
 Provides an easy to use client for [fixer.io](https://fixer.io) exchange rates and currency conversion JSON API.
 
+*Looking for a Laravel package? Please use [ranium/laravel-fixerio](https://github.com/ranium/laravel-fixerio) instead of this library.*
+
 ## Installation
 
 This project can be installed using Composer:

composer.json

@@ -18,5 +18,8 @@
         "psr-4": {
             "Ranium\\Fixerio\\": "src"
         }
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^9.5"
     }
 }

tests/FixerioTest.php

@@ -0,0 +1,50 @@
+<?php declare(strict_types=1);
+use PHPUnit\Framework\TestCase;
+use Ranium\Fixerio\Client;
+
+final class FixerioTest extends TestCase
+{
+    protected $fixerioApiKey;
+
+    protected function setUp(): void
+    {
+        $this->fixerioApiKey = getenv('FIXERIO_API_KEY');
+    }
+
+    public function testCanBeCreatedFromAccessKey()
+    {
+        
+        $this->assertInstanceOf(
+            Client::class,
+            Client::create($this->fixerioApiKey)
+        );
+    }
+
+    public function testCanGetLatestRates()
+    {
+        $fixerio = Client::create($this->fixerioApiKey, false);
+
+        $latestRates = $fixerio->latest();
+
+        $this->assertFixerioResponse($latestRates);
+    }
+
+    public function testCanGetHistoricalRates()
+    {
+        $fixerio = Client::create($this->fixerioApiKey, false);
+
+        $historicalRates = $fixerio->historical(
+            [
+                'date' => '2019-01-01',
+            ]
+        );
+
+        $this->assertFixerioResponse($historicalRates);
+    }
+
+    private function assertFixerioResponse($response)
+    {
+        $this->assertTrue($response['success']);
+        $this->assertIsArray($response['rates']);
+    }
+}