CC-5651: Unit Test the Scheduler

* Continued refactoring of the database creation.
* Database now persists after running tests but most of the tables are
  cleared.
* The unit tests run WAY faster now. :-)

airtime_mvc/tests/README.txt

@@ -35,3 +35,8 @@ with a version that's incompatible and gives an error for us.
     IMPORTANT: Make sure you use "sudo" with the "-E" flag so it preserves the environment variable we set before that.
 
 
+
+FAQ
+====
+- If you get errors about an AMPQ fwrite failing, it means your RabbitMQ credentials are wrong in airtime.conf.
+  (That's the airtime.conf in this directory.)

airtime_mvc/tests/TODO.txt

@@ -0,0 +1,2 @@
+TODO:
+- Set up a RabbitMQ airtime_test user that is hardcoded

airtime_mvc/tests/airtime.conf

@@ -8,7 +8,7 @@ dbpass = airtime
 host = 127.0.0.1
 port = 5672
 user = airtime
-password = GTUR1HVMU7GPIO3FETKY
+password = GEN7GWIOB66FFKY30ERF
 vhost = /airtime
 
 [general]

airtime_mvc/tests/application/bootstrap.php

@@ -59,6 +59,7 @@ if (file_exists('/usr/share/php/libzend-framework-php')) {
 
 require_once 'Zend/Application.php';
 require_once 'Zend/Config.php';
+//require_once 'helpers/TestHelper.php';
 
 require_once APPLICATION_PATH.'/configs/conf.php';
 require_once 'propel/runtime/lib/Propel.php';
@@ -67,3 +68,5 @@ Propel::init("../application/configs/airtime-conf-production.php");
 #require_once 'DatabaseTestCase.php';
 require_once 'Zend/Session.php';
 Zend_Session::start();
+
+//TestHelper::installTestDatabase();

airtime_mvc/tests/application/helpers/TestHelper.php

@@ -45,9 +45,70 @@ class TestHelper
         $dbpasswd = $CC_CONFIG['dsn']['password'];
         $dbname = $CC_CONFIG['dsn']['database'];
         $dbhost = $CC_CONFIG['dsn']['hostspec'];
+    
+        $databaseAlreadyExists = AirtimeInstall::createDatabase();
+        if ($databaseAlreadyExists)
+        {
+            //Truncate all the tables
+            $con = Propel::getConnection();
+            $sql = "select * from pg_tables where tableowner = 'airtime'";
+            try {
+                $rows = $con->query($sql)->fetchAll();
+            } catch (Exception $e) {
+                $rows = array();
+            }
+            
+            //Add any tables that shouldn't be cleared here.
+            //   cc_subjs - Most of Airtime requires an admin account to work, which has id=1,
+            //              so don't clear it.
+            $tablesToNotClear = array("cc_subjs");
 
-        AirtimeInstall::createDatabase();
+            $con->beginTransaction();
-        AirtimeInstall::createDatabaseTables($dbuser, $dbpasswd, $dbname, $dbhost);
+            foreach ($rows as $row) {
+                $tablename = $row["tablename"];
+                if (in_array($tablename, $tablesToNotClear))
+                {
+                    continue;
+                }
+                //echo "   * Clearing database table $tablename...";
+
+                //TRUNCATE is actually slower than DELETE in many cases:
+                //http://stackoverflow.com/questions/11419536/postgresql-truncation-speed
+                //$sql = "TRUNCATE TABLE $tablename CASCADE";
+                $sql = "DELETE FROM $tablename";
+                AirtimeInstall::InstallQuery($sql, false);
+            }
+            $con->commit();
+            
+            //Because we're DELETEing all the rows instead of using TRUNCATE (for speed),
+            //we have to reset the sequences so the auto-increment columns (like primary keys)
+            //all start at 1 again. This is hacky but it still lets all of this execute fast.
+            $sql = "SELECT c.relname FROM pg_class c WHERE c.relkind = 'S'";
+            try {
+                $rows = $con->query($sql)->fetchAll();
+            } catch (Exception $e) {
+                $rows = array();
+            }
+            $con->beginTransaction();
+            foreach ($rows as $row) {
+                $seqrelname= $row["relname"];
+                $sql = "ALTER SEQUENCE ${seqrelname} RESTART WITH 1";
+                AirtimeInstall::InstallQuery($sql, false);
+            }
+            $con->commit();
+        }
+        else
+        {
+            //Create all the database tables
+            AirtimeInstall::createDatabaseTables($dbuser, $dbpasswd, $dbname, $dbhost);
+        }
         AirtimeInstall::SetDefaultTimezone();
     }
-}
+
+    public static function setupZendBootstrap()
+    {
+        $application = new Zend_Application(APPLICATION_ENV, APPLICATION_PATH .'/configs/application.ini');
+        $application->bootstrap();
+        return $application;
+    }
+}

airtime_mvc/tests/application/models/unit/PreferenceUnitTest.php

@@ -0,0 +1,29 @@
+<?php
+require_once "../application/configs/conf.php";
+require_once "TestHelper.php";
+require_once "Preference.php";
+
+class PreferenceUnitTest extends PHPUnit_Framework_TestCase
+{
+
+    public function setUp()
+    {
+        TestHelper::installTestDatabase();
+        TestHelper::setupZendBootstrap();
+    }
+    
+    public function testSetHeadTitle()
+    {
+        $title = "unit test";
+        Application_Model_Preference::SetHeadTitle($title);
+        $this->assertEquals(Application_Model_Preference::GetHeadTitle(), $title);
+    }
+    
+    public function testSetShowsPopulatedUntil()
+    {
+        $date = new DateTime();
+        Application_Model_Preference::SetShowsPopulatedUntil($date);
+        $this->assertEquals(Application_Model_Preference::GetShowsPopulatedUntil(), $date);
+    }
+
+}

airtime_mvc/tests/application/services/database/ShowServiceDbTest.php

@@ -22,23 +22,13 @@ class ShowServiceDbTest extends Zend_Test_PHPUnit_DatabaseTestCase
     public function setUp()
     {
         TestHelper::installTestDatabase();
-        
+        TestHelper::setupZendBootstrap();
-        //XXX: Zend_Test_PHPUnit_DatabaseTestCase doesn't use this for whatever reason:
-        //$this->bootstrap = array($this, 'appBootstrap');
-        //So instead we just manually call the appBootstrap here:
-        $this->appBootstrap();
 
         //$this->_nowDT = new DateTime("now", new DateTimeZone("UTC"));
         
         parent::setUp();
     }
 
-    public function appBootstrap()
-    {
-        $this->application = new Zend_Application(APPLICATION_ENV, APPLICATION_PATH .'/configs/application.ini');
-        $this->application->bootstrap();
-    }
-
     public function getConnection()
     {
         if ($this->_connectionMock == null) {

install_minimal/include/AirtimeInstall.php

@@ -211,13 +211,14 @@ class AirtimeInstall
     {
         $CC_CONFIG = Config::getConfig();
 
-        echo " * Creating Airtime database".PHP_EOL;
 
         $database = $CC_CONFIG['dsn']['database'];
         $username = $CC_CONFIG['dsn']['username'];
         #$command = "echo \"CREATE DATABASE $database OWNER $username\" | su postgres -c psql  2>/dev/null";
-       
+        
-        echo $database . PHP_EOL;
+        echo " * Creating Airtime database: " . $database . PHP_EOL;
+        
+        putenv("LC_ALL=en_CA.UTF-8"); //Squash warnings when running unit tests
         $command = "su postgres -c \"psql -l | cut -f2 -d' ' | grep -w '{$database}'\";";
         exec($command, $output, $rv);