function ThemeUiTest::testInstallModuleWithIncompatibleDependencies
Tests installing a theme with incompatible module dependencies.
File
- 
              core/modules/ system/ tests/ src/ Functional/ Theme/ ThemeUiTest.php, line 323 
Class
- ThemeUiTest
- Tests the theme UI.
Namespace
Drupal\Tests\system\Functional\ThemeCode
public function testInstallModuleWithIncompatibleDependencies() : void {
  $this->container
    ->get('module_installer')
    ->install([
    'test_module_compatible_constraint',
    'test_module_incompatible_constraint',
  ]);
  $this->drupalGet('admin/appearance');
  $theme_container = $this->getSession()
    ->getPage()
    ->find('css', 'h3:contains("Test Theme Depending on Version Constrained Modules")')
    ->getParent();
  $this->assertStringContainsString('Requires: Test Module Theme Depends on with Compatible ConstraintTest Module Theme Depends on with Incompatible Constraint (>=8.x-2.x) (incompatible with version 8.x-1.8)', $theme_container->getText());
  $this->assertStringContainsString('This theme requires the listed modules to operate correctly.', $theme_container->getText());
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
