Misc fixes

* Updated build scripts to handle gitless environments a little
  better
* PDO shell plugin improvements
* More tests

tests/Environment/EnvironmentTest.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Spark\Environment;
+
+class EnvironmentTest extends \PhpUnit\Framework\TestCase
+{
+    
+    /**
+     * @covers Environment::createFromDirectory
+     * @covers Environment::getProjectDirectory
+     */
+    public function testCreatingEnvironmentByTraversing()
+    {
+        $env = Environment::createFromDirectory(__DIR__, true);
+
+        $this->assertInstanceOf(Environment::class, $env);
+        $this->assertEquals(dirname(__DIR__), $env->getProjectDirectory());
+    }
+
+    /**
+     * @covers Environment::createFromDirectory
+     */
+    public function testFailingToCreatingEnvironmentFromMissingConfig()
+    {
+        $env = Environment::createFromDirectory(__DIR__);
+
+        $this->assertNull($env);
+    }
+
+    /**
+     * @covers Environment::createFromDirectory
+     * @covers Environment::getProjectDirectory
+     */
+    public function testCreatingEnvironmentDirectly()
+    {
+        $env = Environment::createFromDirectory(__DIR__."/..");
+
+        $this->assertInstanceOf(Environment::class, $env);
+        $this->assertEquals(dirname(__DIR__), $env->getProjectDirectory());
+    }
+
+}

tests/Environment/ScriptRunnerTest.php

@@ -27,4 +27,32 @@ class ScriptRunnerTest extends \PhpUnit\Framework\TestCase
         ];
     }
 
+    /**
+     * @covers ScriptRunner::defineScript
+     * @covers ScriptRunner::evalutateDefinedScript
+     */
+    public function testDefiningAndCallingScript()
+    {
+        $runner = new ScriptRunner(true);
+        $runner->defineScript('test1', __CLASS__."::call1");
+        $runner->defineScript('test2', [ __CLASS__."::call2" ]);
+
+        $this->assertFalse(self::$call1);
+        $runner->evaluateDefinedScript('test1');
+        $this->assertTrue(self::$call1);
+
+        $this->assertFalse(self::$call2);
+        $runner->evaluateDefinedScript('test2');
+        $this->assertTrue(self::$call2);
+    }
+
+    public static function call1()
+    { self::$call1 = true; }
+
+    public static function call2()
+    { self::$call2 = true; }
+
+    private static bool $call1 = false;
+    private static bool $call2 = false;
+
 }

tests/Resource/ResourceManagerTest.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Spark\Resource;
+
+
+class ResourceManagerTest extends \PhpUnit\Framework\TestCase
+{
+    /**
+     * @covers ResourceManager::registerResourceType
+     */
+    public function testRegisteringResourceTypes()
+    {
+        $manager = new ResourceManager();
+        $manager->registerResourceType('foo', FooType::class);
+
+        $types = $manager->getAllResourceTypes();
+        $this->assertEquals( ['foo'=>FooType::class], $types );
+    }
+}
+
+class FooType extends ResourceType
+{
+    public function info()
+    {
+
+    }
+}