diff core/modules/migrate/tests/src/Kernel/MigrateSourceTestBase.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/migrate/tests/src/Kernel/MigrateSourceTestBase.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,195 @@
+<?php
+
+namespace Drupal\Tests\migrate\Kernel;
+
+use Drupal\KernelTests\KernelTestBase;
+use Drupal\migrate\Plugin\MigrateIdMapInterface;
+use Drupal\migrate\Plugin\MigrationInterface;
+use Drupal\migrate\Row;
+
+/**
+ * Base class for tests of Migrate source plugins.
+ */
+abstract class MigrateSourceTestBase extends KernelTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['migrate'];
+
+  /**
+   * The mocked migration.
+   *
+   * @var MigrationInterface|\Prophecy\Prophecy\ObjectProphecy
+   */
+  protected $migration;
+
+  /**
+   * The source plugin under test.
+   *
+   * @var \Drupal\migrate\Plugin\MigrateSourceInterface
+   */
+  protected $plugin;
+
+  /**
+   * The data provider.
+   *
+   * @see \Drupal\Tests\migrate\Kernel\MigrateSourceTestBase::testSource
+   *
+   * @return array
+   *   Array of data sets to test, each of which is a numerically indexed array
+   *   with the following elements:
+   *   - An array of source data, which can be optionally processed and set up
+   *     by subclasses.
+   *   - An array of expected result rows.
+   *   - (optional) The number of result rows the plugin under test is expected
+   *     to return. If this is not a numeric value, the plugin will not be
+   *     counted.
+   *   - (optional) Array of configuration options for the plugin under test.
+   */
+  abstract public function providerSource();
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    // Create a mock migration. This will be injected into the source plugin
+    // under test.
+    $this->migration = $this->prophesize(MigrationInterface::class);
+
+    $this->migration->id()->willReturn(
+      $this->randomMachineName(16)
+    );
+    // Prophesize a useless ID map plugin and an empty set of destination IDs.
+    // Calling code can override these prophecies later and set up different
+    // behaviors.
+    $this->migration->getIdMap()->willReturn(
+      $this->prophesize(MigrateIdMapInterface::class)->reveal()
+    );
+    $this->migration->getDestinationIds()->willReturn([]);
+  }
+
+  /**
+   * Determines the plugin to be tested by reading the class @covers annotation.
+   *
+   * @return string
+   */
+  protected function getPluginClass() {
+    $annotations = $this->getAnnotations();
+
+    if (isset($annotations['class']['covers'])) {
+      return $annotations['class']['covers'][0];
+    }
+    else {
+      $this->fail('No plugin class was specified');
+    }
+  }
+
+  /**
+   * Instantiates the source plugin under test.
+   *
+   * @param array $configuration
+   *   The source plugin configuration.
+   *
+   * @return \Drupal\migrate\Plugin\MigrateSourceInterface|object
+   *   The fully configured source plugin.
+   */
+  protected function getPlugin(array $configuration) {
+    // Only create the plugin once per test.
+    if ($this->plugin) {
+      return $this->plugin;
+    }
+
+    $class = ltrim($this->getPluginClass(), '\\');
+
+    /** @var \Drupal\migrate\Plugin\MigratePluginManager $plugin_manager */
+    $plugin_manager = $this->container->get('plugin.manager.migrate.source');
+
+    foreach ($plugin_manager->getDefinitions() as $id => $definition) {
+      if (ltrim($definition['class'], '\\') == $class) {
+        $this->plugin = $plugin_manager
+          ->createInstance($id, $configuration, $this->migration->reveal());
+
+        $this->migration
+          ->getSourcePlugin()
+          ->willReturn($this->plugin);
+
+        return $this->plugin;
+      }
+    }
+    $this->fail('No plugin found for class ' . $class);
+  }
+
+  /**
+   * Tests the source plugin against a particular data set.
+   *
+   * @param array $source_data
+   *   The source data that the source plugin will read.
+   * @param array $expected_data
+   *   The result rows the source plugin is expected to return.
+   * @param mixed $expected_count
+   *   (optional) How many rows the source plugin is expected to return.
+   *   Defaults to count($expected_data). If set to a non-null, non-numeric
+   *   value (like FALSE or 'nope'), the source plugin will not be counted.
+   * @param array $configuration
+   *   (optional) Configuration for the source plugin.
+   * @param mixed $high_water
+   *   (optional) The value of the high water field.
+   *
+   * @dataProvider providerSource
+   */
+  public function testSource(array $source_data, array $expected_data, $expected_count = NULL, array $configuration = [], $high_water = NULL) {
+    $plugin = $this->getPlugin($configuration);
+
+    // All source plugins must define IDs.
+    $this->assertNotEmpty($plugin->getIds());
+
+    // If there is a high water mark, set it in the high water storage.
+    if (isset($high_water)) {
+      $this->container
+        ->get('keyvalue')
+        ->get('migrate:high_water')
+        ->set($this->migration->reveal()->id(), $high_water);
+    }
+
+    if (is_null($expected_count)) {
+      $expected_count = count($expected_data);
+    }
+    // If an expected count was given, assert it only if the plugin is
+    // countable.
+    if (is_numeric($expected_count)) {
+      $this->assertInstanceOf('\Countable', $plugin);
+      $this->assertCount($expected_count, $plugin);
+    }
+
+    $i = 0;
+    /** @var \Drupal\migrate\Row $row */
+    foreach ($plugin as $row) {
+      $this->assertInstanceOf(Row::class, $row);
+
+      $expected = $expected_data[$i++];
+      $actual = $row->getSource();
+
+      foreach ($expected as $key => $value) {
+        $this->assertArrayHasKey($key, $actual);
+
+        if (is_array($value)) {
+          ksort($value);
+          ksort($actual[$key]);
+          $this->assertEquals($value, $actual[$key]);
+        }
+        else {
+          $this->assertSame((string) $value, (string) $actual[$key]);
+        }
+      }
+    }
+    // False positives occur if the foreach is not entered. So, confirm the
+    // foreach loop was entered if the expected count is greater than 0.
+    if ($expected_count > 0) {
+      $this->assertGreaterThan(0, $i);
+    }
+  }
+
+}