plugin = new LinkField([], 'link', []); $migration = $this->prophesize(MigrationInterface::class); // The plugin's alterFieldInstanceMigration() method will call // mergeProcessOfProperty() and return nothing. So, in order to examine the // process pipeline created by the plugin, we need to ensure that // getProcess() always returns the last input to mergeProcessOfProperty(). $migration->mergeProcessOfProperty(Argument::type('string'), Argument::type('array')) ->will(function ($arguments) use ($migration) { $migration->getProcess()->willReturn($arguments[1]); }); $this->migration = $migration->reveal(); } /** * @covers ::alterFieldInstanceMigration */ public function testAlterFieldInstanceMigration($method = 'alterFieldInstanceMigration') { $this->plugin->$method($this->migration); $expected = [ 'plugin' => 'static_map', 'source' => 'settings/title', 'bypass' => TRUE, 'map' => [ 'disabled' => DRUPAL_DISABLED, 'optional' => DRUPAL_OPTIONAL, 'required' => DRUPAL_REQUIRED, ], ]; $this->assertSame($expected, $this->migration->getProcess()); } }