/**
* Tests that plural expressions are evaluated correctly.
*
* Validate that the given plural expressions is evaluated with the correct
* plural formula.
*
* @param string $plural
* The plural expression.
* @param array $expected
* Array of expected plural positions keyed by plural value.
*
* @dataProvider providerTestPluralsFormula
*/
public function testPluralsFormula($plural, $expected)
{
$p = new PoHeader();
$parsed = $p->parsePluralForms($plural);
list($nplurals, $new_plural) = $parsed;
foreach ($expected as $number => $plural_form) {
$result = isset($new_plural[$number]) ? $new_plural[$number] : $new_plural['default'];
$this->assertEquals($result, $plural_form, 'Difference found at ' . $number . ': ' . $plural_form . ' versus ' . $result);
}
}
/**
* Implements Drupal\Component\Gettext\PoMetadataInterface::setHeader().
*
* Sets the header and configure Drupal accordingly.
*
* Before being able to process the given header we need to know in what
* context this database write is done. For this the options must be set.
*
* A langcode is required to set the current header's PluralForm.
*
* @param \Drupal\Component\Gettext\PoHeader $header
* Header metadata.
*
* @throws Exception
*/
public function setHeader(PoHeader $header)
{
$this->header = $header;
$locale_plurals = \Drupal::state()->get('locale.translation.plurals') ?: array();
// Check for options.
$options = $this->getOptions();
if (empty($options)) {
throw new \Exception('Options should be set before assigning a PoHeader.');
}
$overwrite_options = $options['overwrite_options'];
// Check for langcode.
$langcode = $this->langcode;
if (empty($langcode)) {
throw new \Exception('Langcode should be set before assigning a PoHeader.');
}
if (array_sum($overwrite_options) || empty($locale_plurals[$langcode]['plurals'])) {
// Get and store the plural formula if available.
$plural = $header->getPluralForms();
if (isset($plural) && ($p = $header->parsePluralForms($plural))) {
list($nplurals, $formula) = $p;
$locale_plurals[$langcode] = array('plurals' => $nplurals, 'formula' => $formula);
\Drupal::state()->set('locale.translation.plurals', $locale_plurals);
}
}
}
/**
* Read the header from the PO stream.
*
* The header is a special case PoItem, using the empty string as source and
* key-value pairs as translation. We just reuse the item reader logic to
* read the header.
*/
private function readHeader()
{
$item = $this->readItem();
// Handle the case properly when the .po file is empty (0 bytes).
if (!$item) {
return;
}
$header = new PoHeader();
$header->setFromString(trim($item->getTranslation()));
$this->_header = $header;
}
/**
* Test plural formatting setting on a numeric views handler.
*/
function testNumericFormatPlural()
{
// Create a file.
$file = $this->createFile();
// Assert that the starting configuration is correct.
$config = $this->config('views.view.numeric_test');
$field_config_prefix = 'display.default.display_options.fields.count.';
$this->assertEqual($config->get($field_config_prefix . 'format_plural'), TRUE);
$this->assertEqual($config->get($field_config_prefix . 'format_plural_string'), '1' . LOCALE_PLURAL_DELIMITER . '@count');
// Assert that the value is displayed.
$this->drupalGet('numeric-test');
$this->assertRaw('<span class="field-content">0</span>');
// Assert that the user interface has controls to change it.
$this->drupalGet('admin/structure/views/nojs/handler/numeric_test/page_1/field/count');
$this->assertFieldByName('options[format_plural_values][0]', '1');
$this->assertFieldByName('options[format_plural_values][1]', '@count');
// Assert that changing the settings will change configuration properly.
$edit = ['options[format_plural_values][0]' => '1 time', 'options[format_plural_values][1]' => '@count times'];
$this->drupalPostForm(NULL, $edit, t('Apply'));
$this->drupalPostForm(NULL, array(), t('Save'));
$config = $this->config('views.view.numeric_test');
$field_config_prefix = 'display.default.display_options.fields.count.';
$this->assertEqual($config->get($field_config_prefix . 'format_plural'), TRUE);
$this->assertEqual($config->get($field_config_prefix . 'format_plural_string'), '1 time' . LOCALE_PLURAL_DELIMITER . '@count times');
// Assert that the value is displayed with some sample values.
$numbers = [0, 1, 2, 3, 4, 42];
foreach ($numbers as $i => $number) {
\Drupal::service('file.usage')->add($file, 'views_ui', 'dummy', $i, $number);
}
$this->drupalGet('numeric-test');
foreach ($numbers as $i => $number) {
$this->assertRaw('<span class="field-content">' . $number . ($number == 1 ? ' time' : ' times') . '</span>');
}
// Add Slovenian and set its plural formula to test multiple plural forms.
$edit = ['predefined_langcode' => 'sl'];
$this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add language'));
$formula = 'nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n%100==4 ? 2 : 3);';
$header = new PoHeader();
list($nplurals, $formula) = $header->parsePluralForms($formula);
\Drupal::service('locale.plural.formula')->setPluralFormula('sl', $nplurals, $formula);
// Change the view to Slovenian.
$config = $this->config('views.view.numeric_test');
$config->set('langcode', 'sl')->save();
// Assert that the user interface has controls with more inputs now.
$this->drupalGet('admin/structure/views/nojs/handler/numeric_test/page_1/field/count');
$this->assertFieldByName('options[format_plural_values][0]', '1 time');
$this->assertFieldByName('options[format_plural_values][1]', '@count times');
$this->assertFieldByName('options[format_plural_values][2]', '');
$this->assertFieldByName('options[format_plural_values][3]', '');
// Assert that changing the settings will change configuration properly.
$edit = ['options[format_plural_values][0]' => '@count time0', 'options[format_plural_values][1]' => '@count time1', 'options[format_plural_values][2]' => '@count time2', 'options[format_plural_values][3]' => '@count time3'];
$this->drupalPostForm(NULL, $edit, t('Apply'));
$this->drupalPostForm(NULL, array(), t('Save'));
$config = $this->config('views.view.numeric_test');
$field_config_prefix = 'display.default.display_options.fields.count.';
$this->assertEqual($config->get($field_config_prefix . 'format_plural'), TRUE);
$this->assertEqual($config->get($field_config_prefix . 'format_plural_string'), implode(LOCALE_PLURAL_DELIMITER, array_values($edit)));
// The view should now use the new plural configuration.
$this->drupalGet('sl/numeric-test');
$this->assertRaw('<span class="field-content">0 time3</span>');
$this->assertRaw('<span class="field-content">1 time0</span>');
$this->assertRaw('<span class="field-content">2 time1</span>');
$this->assertRaw('<span class="field-content">3 time2</span>');
$this->assertRaw('<span class="field-content">4 time2</span>');
$this->assertRaw('<span class="field-content">42 time3</span>');
// Add an English configuration translation with English plurals.
$english = \Drupal::languageManager()->getLanguageConfigOverride('en', 'views.view.numeric_test');
$english->set('display.default.display_options.fields.count.format_plural_string', '1 time' . LOCALE_PLURAL_DELIMITER . '@count times')->save();
// The view displayed in English should use the English translation.
$this->drupalGet('numeric-test');
$this->assertRaw('<span class="field-content">0 times</span>');
$this->assertRaw('<span class="field-content">1 time</span>');
$this->assertRaw('<span class="field-content">2 times</span>');
$this->assertRaw('<span class="field-content">3 times</span>');
$this->assertRaw('<span class="field-content">4 times</span>');
$this->assertRaw('<span class="field-content">42 times</span>');
}