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-rw-r--r--modules/simpletest/tests/module_test.module7
-rw-r--r--modules/system/system.admin.inc2
-rw-r--r--modules/system/system.test29
3 files changed, 37 insertions, 1 deletions
diff --git a/modules/simpletest/tests/module_test.module b/modules/simpletest/tests/module_test.module
index facac7cfa..6829026a2 100644
--- a/modules/simpletest/tests/module_test.module
+++ b/modules/simpletest/tests/module_test.module
@@ -50,3 +50,10 @@ function module_test_hook_info() {
);
return $hooks;
}
+
+/**
+ * Implements hook_modules_enabled().
+ */
+function module_test_modules_enabled($modules) {
+ variable_set('test_module_enable_order', $modules);
+}
diff --git a/modules/system/system.admin.inc b/modules/system/system.admin.inc
index 736fa5e70..745969276 100644
--- a/modules/system/system.admin.inc
+++ b/modules/system/system.admin.inc
@@ -1186,7 +1186,7 @@ function system_modules_submit($form, &$form_state) {
unset($form_state['storage']);
// Reverse the 'enable' list, to order dependencies before dependents.
- rsort($actions['enable']);
+ krsort($actions['enable']);
// Installs, enables, and disables modules.
module_enable($actions['enable'], FALSE);
diff --git a/modules/system/system.test b/modules/system/system.test
index 44768352d..bc5f5593f 100644
--- a/modules/system/system.test
+++ b/modules/system/system.test
@@ -318,6 +318,35 @@ class ModuleDependencyTestCase extends ModuleTestCase {
$this->assertText(t('The configuration options have been saved.'), t('Modules status has been updated.'));
$this->assertModules(array('taxonomy', 'forum'), TRUE);
}
+
+ /**
+ * Tests that module dependencies are enabled in the correct order via the
+ * UI. Dependencies should be enabled before their dependents.
+ */
+ function testModuleEnableOrder() {
+ module_enable(array('module_test'), FALSE);
+ $this->resetAll();
+ $this->assertModules(array('module_test'), TRUE);
+ variable_set('dependency_test', 'dependency');
+ // module_test creates a dependency chain: forum depends on poll, which
+ // depends on php. The correct enable order is, php, poll, forum.
+ $expected_order = array('php', 'poll', 'forum');
+
+ // Enable the modules through the UI, verifying that the dependency chain
+ // is correct.
+ $edit = array();
+ $edit['modules[Core][forum][enable]'] = 'forum';
+ $this->drupalPost('admin/modules', $edit, t('Save configuration'));
+ $this->assertModules(array('forum'), FALSE);
+ $this->assertText(t('You must enable the Poll, PHP filter modules to install Forum.'), t('Dependency chain created.'));
+ $edit['modules[Core][poll][enable]'] = 'poll';
+ $edit['modules[Core][php][enable]'] = 'php';
+ $this->drupalPost('admin/modules', $edit, t('Save configuration'));
+ $this->assertModules(array('forum', 'poll', 'php'), TRUE);
+
+ // Check the actual order which is saved by module_test_modules_enabled().
+ $this->assertIdentical(variable_get('test_module_enable_order', FALSE), $expected_order, t('Modules enabled in the correct order.'));
+ }
}
/**