Rewrite tests to Peridot

A simple BDD testing framework

Author: e1himself

Makefile

@@ -1,7 +1,7 @@
 .PHONY: tests
 
 tests: vendor
-	php -d zend.assertions=1 -d assert.exception=1 test.php
+	php -d zend.assertions=1 -d assert.exception=1 vendor/bin/peridot ./specs
 
 vendor: composer.json composer.lock
 	composer install

composer.json

@@ -6,6 +6,9 @@
         "php": ">=7.1",
         "psr/container": "^1.0"
     },
+    "require-dev": {
+        "peridot-php/peridot": "^1.19"
+    },
     "license": "MIT",
     "authors": [
         {

specs/null-container.spec.php

@@ -0,0 +1,47 @@
+<?php
+
+use Psr\Container\ContainerInterface;
+use Psr\Container\NotFoundExceptionInterface;
+use Technically\NullContainer\Exceptions\ServiceNotFound;
+use Technically\NullContainer\NullContainer;
+
+describe('NullContainer', function() {
+
+    it('should instantiate a new instance', function() {
+        $container = new NullContainer();
+        assert($container instanceof NullContainer);
+    });
+
+    it('should implement PSR container interface', function() {
+        $container = new NullContainer();
+        assert($container instanceof ContainerInterface);
+    });
+
+    describe('->has()', function() {
+        it('should always return false', function () {
+            $container = new NullContainer();
+
+            assert($container->has('a') === false);
+            assert($container->has('b') === false);
+            assert($container->has('c') === false);
+            assert($container->has(NullContainer::class) === false);
+            assert($container->has(ContainerInterface::class) === false);
+        });
+    });
+
+    describe('->get()', function() {
+        it('should always throw ServiceNotFound exception', function () {
+            $container = new NullContainer();
+
+            try {
+                $container->get('a');
+            } catch (ServiceNotFound $exception) {
+                // passthru
+            }
+
+            assert(isset($exception));
+            assert($exception instanceof ServiceNotFound);
+            assert($exception instanceof NotFoundExceptionInterface);
+        });
+    });
+});