MDL-37046 behat: Some unit tests

admin/tool/behat/tests/tool_behat_test.php

@@ -0,0 +1,184 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Unit tests for admin/tool/behat
+ *
+ * @package   tool_behat
+ * @copyright  2012 David Monllaó
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+global $CFG;
+require_once($CFG->dirroot.'/' . $CFG->admin .'/tool/behat/locallib.php');
+
+/**
+ * Allows access to internal methods without exposing them
+ */
+class testable_tool_behat extends tool_behat {
+
+    /**
+     * @see parent::merge_config()
+     * @param mixed $config
+     * @param mixed $localconfig
+     * @return mixed
+     */
+    public static function merge_config($config, $localconfig) {
+        return parent::merge_config($config, $localconfig);
+    }
+
+    /**
+     * @see parent::get_config_file_contents()
+     * @param string $prefix
+     * @param array $features
+     * @param array $stepsdefinitions
+     * @return string
+     */
+    public static function get_config_file_contents($prefix, $features, $stepsdefinitions) {
+        return parent::get_config_file_contents($prefix, $features, $stepsdefinitions);
+    }
+}
+
+/**
+ * Tool behat tests
+ */
+class tool_behat_testcase extends advanced_testcase {
+
+
+     public function test_switch_environment() {
+
+         // Only run the tests if behat dependencies are installed.
+         // We don't need to pre-check PHPUnit initialisation because we are running on it.
+         if (version_compare(PHP_VERSION, '5.4.0', '>=') && tool_behat::are_behat_dependencies_installed()) {
+             tool_behat::switchenvironment('enable');
+             $this->assertTrue(tool_behat::is_test_mode_enabled());
+             $this->assertFalse(tool_behat::is_test_environment_running());
+
+             // We trigger a debugging() if it's already enabled.
+             tool_behat::switchenvironment('enable');
+             $this->assertDebuggingCalled();
+
+             tool_behat::switchenvironment('disable');
+             $this->assertFalse(tool_behat::is_test_mode_enabled());
+             $this->assertFalse(tool_behat::is_test_environment_running());
+
+             // We trigger a debugging() if it's already enabled.
+             tool_behat::switchenvironment('disable');
+             $this->assertDebuggingCalled();
+
+             // Ensure all continues disabled.
+             $this->assertFalse(tool_behat::is_test_mode_enabled());
+             $this->assertFalse(tool_behat::is_test_environment_running());
+         }
+     }
+
+     public function test_merge_configs() {
+
+         // Simple default config.
+         $array1 = array(
+             'the' => 'same',
+             'simple' => 'value',
+             'array' => array(
+                 'one' => 'arrayvalue1',
+                 'two' => 'arrayvalue2'
+             )
+         );
+
+         // Simple override.
+         $array2 = array(
+             'simple' => 'OVERRIDDEN1',
+             'array' => array(
+                 'one' => 'OVERRIDDEN2'
+             ),
+             'newprofile' => array(
+                 'anotherlevel' => array(
+                     'andanotherone' => array(
+                         'list1',
+                         'list2'
+                     )
+                 )
+             )
+         );
+
+         $array = testable_tool_behat::merge_config($array1, $array2);
+
+         // Overriddes are applied.
+         $this->assertEquals('OVERRIDDEN1', $array['simple']);
+         $this->assertEquals('OVERRIDDEN2', $array['array']['one']);
+
+         // Other values are respected.
+         $this->assertNotEmpty($array['array']['two']);
+
+         // Completely new nodes are added.
+         $this->assertNotEmpty($array['newprofile']);
+         $this->assertNotEmpty($array['newprofile']['anotherlevel']['andanotherone']);
+         $this->assertEquals('list1', $array['newprofile']['anotherlevel']['andanotherone'][0]);
+         $this->assertEquals('list2', $array['newprofile']['anotherlevel']['andanotherone'][1]);
+
+         // Complex override changing vectors to scalars and scalars to vectors.
+         $array2 = array(
+             'simple' => array(
+                 'simple' => 'should',
+                 'be' => 'overridden',
+                 'by' => 'this-array'
+             ),
+             'array' => 'one'
+         );
+
+         $array = testable_tool_behat::merge_config($array1, $array2);
+
+         // Overrides applied.
+         $this->assertNotEmpty($array['simple']);
+         $this->assertNotEmpty($array['array']);
+         $this->assertTrue(is_array($array['simple']));
+         $this->assertFalse(is_array($array['array']));
+
+         // Other values are maintained.
+         $this->assertEquals('same', $array['the']);
+     }
+
+     public function test_config_file_contents() {
+         global $CFG;
+
+         unset($CFG->behatconfig);
+
+         // List.
+         $features = array(
+             'feature1',
+             'feature2',
+             'feature3'
+         );
+
+         // Associative array.
+         $stepsdefinitions = array(
+             'micarro' => '/me/lo/robaron',
+             'anoche' => '/cuando/yo/dormia'
+         );
+
+         $contents = testable_tool_behat::get_config_file_contents('/i/am/a/prefix/', $features, $stepsdefinitions);
+
+         $this->assertContains('features: /i/am/a/prefix/lib/behat/features', $contents);
+         $this->assertContains('micarro: /me/lo/robaron', $contents);
+         $this->assertContains('base_url: \'' . $CFG->test_wwwroot . '\'', $contents);
+         $this->assertContains('class: behat_init_context', $contents);
+         $this->assertContains('- feature1', $contents);
+         $this->assertContains('- feature3', $contents);
+
+     }
+}
+