commit 7c2b0f735326b0e11ea3ce86ff3221a6e6c4603e
Author: Erik Stielstra <info@erikstielstra.nl>
Date:   Mon Sep 8 21:04:25 2014 +0200

    #25

diff --git a/core/includes/install.core.inc b/core/includes/install.core.inc
index 27e8c5d..2606240 100644
--- a/core/includes/install.core.inc
+++ b/core/includes/install.core.inc
@@ -1609,14 +1609,17 @@ function _install_prepare_import($langcode) {
     if ($info['major']) {
       $core = $info['major'] . '.x';
       $data = array(
-         'name' => 'drupal',
+         'id' => 'drupal',
+         'name' => 'Drupal core',
          'project_type' => 'module',
          'core' => $core,
          'version' => $version,
          'server_pattern' => $install_state['server_pattern'],
          'status' => 1,
       );
-      \Drupal::service('locale.project')->set($data['name'], $data);
+      $project = new \Drupal\locale\LocaleTranslatableProject($data);
+      $project->setLangcode($langcode);
+      \Drupal::service('locale.project')->set($project);
       module_load_include('compare.inc', 'locale');
       locale_translation_check_projects_local(array('drupal'), array($install_state['parameters']['langcode']));
     }
diff --git a/core/modules/locale/locale.batch.inc b/core/modules/locale/locale.batch.inc
index 7bea448..a76b5e9 100644
--- a/core/modules/locale/locale.batch.inc
+++ b/core/modules/locale/locale.batch.inc
@@ -183,7 +183,7 @@ function locale_translation_batch_fetch_import($project_id, $langcode, $options,
   if ($project) {
     $project->setLangcode($langcode);
 
-    if ($project->localIsAvailable() && $local = $project->getLocalSource()) {
+    if ($project->localIsLatest() && $local = $project->getLocalSource()) {
       $local->langcode = $langcode;
       module_load_include('bulk.inc', 'locale');
       $options += array(
diff --git a/core/modules/locale/locale.install b/core/modules/locale/locale.install
index a6bdb24..8211a1a 100644
--- a/core/modules/locale/locale.install
+++ b/core/modules/locale/locale.install
@@ -243,7 +243,7 @@ function locale_requirements($phase) {
 
     if ($languages) {
       // Determine the status of the translation updates per language.
-      $projects = locale_translation_get_status();
+      $projects = \Drupal::service('locale.project')->getAll();
       if ($projects) {
         /** @var \Drupal\locale\LocaleTranslatableProjectInterface $project */
         foreach ($projects as $project) {
diff --git a/core/modules/locale/locale.module b/core/modules/locale/locale.module
index 1eeebd4..90e3d18 100644
--- a/core/modules/locale/locale.module
+++ b/core/modules/locale/locale.module
@@ -463,11 +463,12 @@ function locale_system_update(array $components) {
   // built-in support for translation imports in the installer.
   if (!drupal_installation_attempted() && locale_translatable_language_list() && \Drupal::config('locale.settings')->get('translation.import_enabled')) {
     module_load_include('compare.inc', 'locale');
+    locale_translation_build_projects();
 
     // Update the list of translatable projects and start the import batch.
     // Only when new projects are added the update batch will be triggered. Not
     // each enabled module will introduce a new project. E.g. sub modules.
-    $projects = array_keys(locale_translation_build_projects());
+    $projects = array_keys(locale_translation_get_projects());
     if ($list = array_intersect($list, $projects)) {
       module_load_include('fetch.inc', 'locale');
       // Get translation status of the projects, download and update
@@ -514,12 +515,7 @@ function locale_system_remove($components) {
       locale_translate_delete_translation_files($list, array());
 
       // Remove translatable projects.
-      // Followup issue http://drupal.org/node/1842362 to replace the
-      // {locale_project} table. Then change this to a function call.
       \Drupal::service('locale.project')->deleteMultiple($list);
-
-      // Clear the translation status.
-      locale_translation_status_delete_projects($list);
     }
 
   }
@@ -831,7 +827,7 @@ function locale_translation_get_file_history() {
     // Get file history from the database.
     $result = db_query('SELECT project, langcode, filename, version, uri, timestamp, last_checked FROM {locale_file}');
     foreach ($result as $file) {
-      $file->type = $file->timestamp ? LOCALE_TRANSLATION_CURRENT : '';
+      $file->type = $file->timestamp ? 'current' : '';
       $history[$file->project][$file->langcode] = $file;
     }
   }
@@ -860,7 +856,6 @@ function locale_translation_update_file_history($file) {
     ))
     ->execute();
   // The file history has changed, flush the static cache now.
-  // @todo Can we make this more fine grained?
   drupal_static_reset('locale_translation_get_file_history');
   return $status;
 }
@@ -883,6 +878,9 @@ function locale_translation_file_history_delete($projects = array(), $langcodes
     $query->condition('langcode', $langcodes);
   }
   $query->execute();
+
+  // The file history has changed, flush the static cache now.
+  drupal_static_reset('locale_translation_get_file_history');
 }
 
 /**
@@ -898,8 +896,7 @@ function locale_translation_file_history_delete($projects = array(), $langcodes
  * @return array
  *   Array of translatable project objects.
  */
-// @todo deprecate/remove this function?
-// @todo Is $langcode param needed?
+// @todo deprecate ?
 function locale_translation_get_status($project_names = NULL, $langcodes = NULL) {
 
   if ($project_names) {
@@ -917,11 +914,11 @@ function locale_translation_get_status($project_names = NULL, $langcodes = NULL)
  *   Language code(s) to be deleted from the cache.
  */
 function locale_translation_status_delete_languages($langcodes) {
-  $projects = locale_translation_get_projects();
-  /** @var \Drupal\locale\LocaleTranslatableProject $project */
-  foreach ($projects as $key => $project) {
+
+  $projects = \Drupal::service('locale.project')->getAll();
+  foreach (array_keys($projects) as $name) {
     foreach ($langcodes as $langcode) {
-      $projects[$key]->removeLangcode($langcode);
+      $projects[$name]->removeLangcode($langcode);
     }
   }
   \Drupal::service('locale.project')->setMultiple($projects);
@@ -933,6 +930,7 @@ function locale_translation_status_delete_languages($langcodes) {
  * @param array $projects
  *   Project name(s) to be deleted from the cache.
  */
+// @todo Deprecate ?
 function locale_translation_status_delete_projects($projects) {
 
   \Drupal::service('locale.project')->deleteMultiple($projects);
@@ -941,9 +939,14 @@ function locale_translation_status_delete_projects($projects) {
 /**
  * Clear the translation status cache.
  */
-// @todo Deprecate
 function locale_translation_clear_status() {
-  \Drupal::service('locale.project')->disableAll();
+
+  $projects = \Drupal::service('locale.project')->getAll();
+  foreach (array_keys($projects) as $name) {
+    $projects[$name]->clearTranslationStates();
+  }
+  \Drupal::service('locale.project')->setMultiple($projects);
+  \Drupal::state()->delete('locale.translation_last_checked');
 }
 
 /**
diff --git a/core/modules/locale/locale.translation.inc b/core/modules/locale/locale.translation.inc
index 911c15f..48a8b26 100644
--- a/core/modules/locale/locale.translation.inc
+++ b/core/modules/locale/locale.translation.inc
@@ -29,7 +29,7 @@ function locale_translation_get_projects($project_names = array()) {
   $projects = &drupal_static(__FUNCTION__, array());
 
   if (empty($projects)) {
-    // Get project data from the database.
+    // Get project data from the key value store.
     $row_count = \Drupal::service('locale.project')->countProjects();
     // http://drupal.org/node/1777106 is a follow-up issue to make the check for
     // possible out-of-date project information more robust.
diff --git a/core/modules/locale/src/Form/TranslationStatusForm.php b/core/modules/locale/src/Form/TranslationStatusForm.php
index 7d6e63d..725f063 100644
--- a/core/modules/locale/src/Form/TranslationStatusForm.php
+++ b/core/modules/locale/src/Form/TranslationStatusForm.php
@@ -4,7 +4,6 @@
  * @file
  * Contains \Drupal\locale\Form\TranslationStatusForm.
  */
-
 namespace Drupal\locale\Form;
 
 use Drupal\Component\Utility\String;
@@ -70,7 +69,7 @@ public function getFormID() {
    */
   public function buildForm(array $form, FormStateInterface $form_state) {
     $languages = locale_translatable_language_list();
-    $projects = locale_translation_get_status();
+    $projects = \Drupal::service('locale.project')->getAll();
     $options = array();
     $languages_update = array();
     $languages_not_found = array();
diff --git a/core/modules/locale/src/LocaleProjectStorage.php b/core/modules/locale/src/LocaleProjectStorage.php
index d37dc07..7cbf8cf 100644
--- a/core/modules/locale/src/LocaleProjectStorage.php
+++ b/core/modules/locale/src/LocaleProjectStorage.php
@@ -147,7 +147,7 @@ public function deleteAll() {
   public function disableAll() {
     $projects = $this->getAll();
     foreach (array_keys($projects) as $key) {
-      $projects[$key]->setStatus(0);
+      $projects[$key]->setStatus(FALSE);
       if (isset($cache[$key])) {
         $cache[$key] = $projects[$key];
       }
diff --git a/core/modules/locale/src/LocaleTranslatableProject.php b/core/modules/locale/src/LocaleTranslatableProject.php
index 3a5ae70..6b2a08b 100644
--- a/core/modules/locale/src/LocaleTranslatableProject.php
+++ b/core/modules/locale/src/LocaleTranslatableProject.php
@@ -8,9 +8,9 @@
 namespace Drupal\locale;
 
 /**
- * @todo
+ * Provides a translatable project that contains the interface translation
+ * status of an extension.
  */
-// @todo Add interface?
 class LocaleTranslatableProject implements LocaleTranslatableProjectInterface {
 
   /**
@@ -34,9 +34,9 @@ class LocaleTranslatableProject implements LocaleTranslatableProjectInterface {
   protected $projectCore = '';
 
   /**
-   * Project status. 0: disabled, 1: enabled"
+   * Project status. FALSE: disabled, TRUE: enabled"
    */
-  protected $status = 0;
+  protected $status = FALSE;
 
   /**
    * Translation file uri pattern. May contain placeholders.
@@ -170,25 +170,25 @@ public function initLangcodeMultiple(array $langcodes) {
   /**
    * @inheritdoc
    */
-  public function getStatus() {
+  public function removeLangcode($langcode) {
 
-    return $this->status;
+    unset($this->stateByLanguage[$langcode]);
   }
 
   /**
    * @inheritdoc
    */
-  public function setStatus($status) {
+  public function getStatus() {
 
-    $this->status = $status ? 1 : 0;
+    return $this->status;
   }
 
   /**
    * @inheritdoc
    */
-  public function removeLangcode($langcode) {
+  public function setStatus($status) {
 
-    unset($this->stateByLanguage[$langcode]);
+    $this->status = (bool) $status;
   }
 
   /**
@@ -196,7 +196,7 @@ public function removeLangcode($langcode) {
    */
   public function clearTranslationStates() {
 
-    foreach ($this->stateByLanguage as $langcode => $data) {
+    foreach (array_keys($this->stateByLanguage) as $langcode) {
       $this->stateByLanguage[$langcode]->localSource = NULL;
       $this->stateByLanguage[$langcode]->remoteSource = NULL;
     }
@@ -206,24 +206,26 @@ public function clearTranslationStates() {
    * @inheritdoc
    */
   public function getLocalSource() {
+    $source = NULL;
 
     if (!empty($this->localSource)) {
-      return $this->localSource;
+      $source = $this->localSource;
     }
 
-    return FALSE;
+    return $source;
   }
 
   /**
    * @inheritdoc
    */
   public function getRemoteSource() {
+    $source = NULL;
 
     if (!empty($this->remoteSource)) {
-      return $this->remoteSource;
+      $source = $this->remoteSource;
     }
 
-    return FALSE;
+    return $source;
   }
 
   /**
@@ -237,14 +239,6 @@ public function getLatestSourceTimestamp() {
   /**
    * @inheritdoc
    */
-  public function getLatestSourceType() {
-
-    return $this->latestSource;
-  }
-
-  /**
-   * @inheritdoc
-   */
   public function getVersion() {
 
     return $this->projectVersion;
@@ -263,7 +257,7 @@ public function setVersion($version) {
    */
   public function remoteIsValid() {
 
-    // @todo Return FALSE if file was not found (404) less than x time ago.
+    // Development release translations are not supported for remote sources.
     if ($this->projectVersion && strpos('dev', $this->projectVersion) !== FALSE) {
       return FALSE;
     }
@@ -282,14 +276,6 @@ public function remoteIsAvailable() {
   /**
    * @inheritdoc
    */
-  public function localIsAvailable() {
-
-    return $this->latestSource == 'local';
-  }
-
-  /**
-   * @inheritdoc
-   */
   public function remoteIsLatest() {
 
     return $this->latestSource == 'remote';
@@ -378,6 +364,14 @@ public function hasNoTranslation() {
     return $this->latestSource == '';
   }
 
+  /**
+   * @inheritdoc
+   */
+  public function isUpToDate() {
+
+    return $this->latestSource == 'current';
+  }
+
   /*
    * Initializes the translation state by loading from cache or building a new one.
    *
@@ -502,11 +496,14 @@ protected function buildServerPattern($template, $langcode) {
   }
 
   /**
-   * @todo
+   * Returns whether the file URI is at a remote translation source.
    *
    * @param $uri
+   *   File URI. May include a scheme.
    *
    * @return bool
+   *   Returns TRUE if the file scheme indicates a remote file. FALSE if no
+   *   scheme is supplied or files are stored at the local file system.
    */
   protected function fileIsRemote($uri) {
 
diff --git a/core/modules/locale/src/LocaleTranslatableProjectInterface.php b/core/modules/locale/src/LocaleTranslatableProjectInterface.php
index 25d6a3f..b4bb214 100644
--- a/core/modules/locale/src/LocaleTranslatableProjectInterface.php
+++ b/core/modules/locale/src/LocaleTranslatableProjectInterface.php
@@ -8,23 +8,31 @@
 namespace Drupal\locale;
 
 /**
- * @todo
+ * Defines the locale translatable project interface.
  */
 interface LocaleTranslatableProjectInterface {
 
   /**
-   * @todo
-   * @param $data
+   * Initializes the translation project.
+   *
+   * @param array $data
+   *   Array of project data.
    */
   public function __construct($data);
 
   /**
    * Returns the machine name of the project.
+   *
+   * @return string
+   *   The unique project machine name.
    */
   public function id();
 
   /**
    * Returns the human readable name of the project.
+   *
+   * @return string
+   *   The human readable project name.
    */
   public function getName();
 
@@ -32,84 +40,100 @@ public function getName();
    * Serialize the project to an array
    *
    * @return array
+   *   Project properties to be stored.
    */
   public function toArray();
 
   /**
    * Sets the language this project is translated to.
    *
-   * @param $langcode
+   * @param string $langcode
+   *   Language code.
    */
   public function setLangcode($langcode);
 
   /**
    * Initializes the project for a language.
+   *
+   * @param string $langcode
+   *   Language code.
    */
   public function initLangcode($langcode);
 
   /**
    * Initializes the project for multiple languages.
+   *
+   * @param array $langcodes
+   *   Array of language codes.
    */
   public function initLangcodeMultiple(array $langcodes);
 
+  /**
+   * Deletes stored data of specified language.
+   *
+   * @param string $langcode
+   *   Language code.
+   */
+  public function removeLangcode($langcode);
 
   /**
    * Returns the project status.
    *
    * @return bool
+   *   Returns TRUE if the project is enabled, FALSE otherwise.
    */
   public function getStatus();
 
   /**
    * Sets the project status.
    *
-   * @param $status
+   * @param bool $status
+   *   A flag indicating the project status. TRUE: enabled, FALSE: disabled.
    */
   public function setStatus($status);
 
   /**
-   * Deletes stored data of specified language.
-   *
-   * @param $langcode
-   */
-  public function removeLangcode($langcode);
-
-  /**
    * Deletes translations states of the project for all languages.
    */
   public function clearTranslationStates();
 
   /**
-   * Returns the local source state.
+   * Returns the local translation source.
+   *
+   * @return \stdClass|NULL
+   *   Remote local object or NULL if no remote translation source is available.
    */
   public function getLocalSource();
 
   /**
-   * Returns the remote source state.
+   * Returns the remote translation source.
+   *
+   * @return \stdClass|NULL
+   *   Remote source object or NULL if no remote source is available.
    */
   public function getRemoteSource();
 
   /**
-   * @todo
+   * Returns the timestamp of the most recent translation source.
+   *
+   * @return integer
+   *   Timestamp of a translation source. 0 if no source is available.
    */
   public function getLatestSourceTimestamp();
 
   /**
-   * @todo
+   * Returns the version of the project.
    *
    * @return string
-   *   'current', 'local', 'remote' or empty string.
-   * @todo Better not expose these internal strings. Currently only use for tests.
-   */
-  public function getLatestSourceType();
-
-  /**
-   * @todo
+   *   Project release version string.
    */
   public function getVersion();
 
   /**
-   * @todo
+   * Overrides the project version.
+   *
+   * @param string $version
+   *   Project release version string.
    */
   public function setVersion($version);
 
@@ -132,49 +156,53 @@ public function remoteIsValid();
   public function remoteIsAvailable();
 
   /**
-   * Whether the local source is available and can be imported.
+   * Returns whether the remote source is the latest translation source.
    *
    * @return bool
-   *   Returns FALSE if the project version is a dev release. No translations
-   *   are available for dev releases.
-   */
-  public function localIsAvailable();
-
-  /**
-   * @todo
-   * @return bool
+   *   Returns TRUE if the remote translation source is the latest or the only
+   *   available source. FALSE if no remote source is available, the remote
+   *   source is older or the current translation is up to date.
    */
   public function remoteIsLatest();
 
   /**
-   * @todo
+   * Returns whether the local source is the latest translation source.
+   *
    * @return bool
+   *   Returns TRUE if the local translation source is the latest or the only
+   *   available source. FALSE if no local source is available, the local
+   *   source is older or the current translation is up to date.
    */
   public function localIsLatest();
 
   /**
    * Updates the translation state with local source data.
    *
-   * @param $data
+   * @param \stdClass $data
+   *   Local translation source data.
    */
   public function updateLocalSource($data);
 
   /**
    * Updates the translation state with remote source data.
    *
-   * @param $data
+   * @param \stdClass $data
+   *   Remote translation source data.
    */
   public function updateRemoteSource($data);
 
   /**
-   * Updates the translation state with the timestamp of a newly imported translation.
+   * Updates the current translation state timestamp.
    *
-   * @param $timestamp
+   * @param int $timestamp
+   *   Timestamp of a newly imported translation.
    */
   public function updateTimestamp($timestamp);
 
   /**
-   * Whether this project is translated in language $langcode.
+   * Whether this project is translated.
+   *
+   * The language the project is translated in, is set using setLanguage().
    *
    * @return bool
    *   Returns TRUE if this project is translated.
@@ -184,16 +212,32 @@ public function isTranslated();
   /**
    * Whether translation updates are available for this language.
    *
+   * The language the project is translated in, is set using setLanguage().
+   *
    * @return bool
    *   Returns TRUE if a local or remote translation update is available.
    */
   public function hasUpdates();
 
   /**
-   * Whether the project is not translated and no translation updates are
-   * available.
+   * Whether the project was translated ever.
+   *
+   * The language the project is translated in, is set using setLanguage().
+   *
+   * @return bool
+   *   Returns TRUE if the project was not translated before and no translation
+   *   sources are available.
    */
   public function hasNoTranslation();
 
+  /**
+   * Whether the project translation is up to date.
+   *
+   * @return bool
+   *   Returns TRUE if the project is translated and the translation is of the
+   *   latest version. Returns FALSE if more recent local or remote translations
+   *   are available or the project has never been translated before.
+   */
+  public function isUpToDate();
 
 }
diff --git a/core/modules/locale/src/Tests/LocaleUpdateTest.php b/core/modules/locale/src/Tests/LocaleUpdateTest.php
index db42b52..9b6df18 100644
--- a/core/modules/locale/src/Tests/LocaleUpdateTest.php
+++ b/core/modules/locale/src/Tests/LocaleUpdateTest.php
@@ -97,21 +97,21 @@ public function testUpdateCheckStatus() {
     /** @var \Drupal\locale\LocaleTranslatableProjectInterface $project */
     $project = \Drupal::service('locale.project')->get('contrib_module_one');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'local', 'Translation of contrib_module_one found');
+    $this->assertTrue($project->localIsLatest(), 'Translation of contrib_module_one found');
     $this->assertEqual($project->getLatestSourceTimestamp(), $this->timestampOld, 'Translation timestamp found');
 
     $project = \Drupal::service('locale.project')->get('contrib_module_two');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'local', 'Translation of contrib_module_two found');
+    $this->assertTrue($project->localIsLatest(), 'Translation of contrib_module_two found');
     $this->assertEqual($project->getLatestSourceTimestamp(), $this->timestampNew, 'Translation timestamp found');
 
     $project = \Drupal::service('locale.project')->get('locale_test');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'local', 'Translation of locale_test found');
+    $this->assertTrue($project->localIsLatest(), 'Translation of locale_test found');
 
     $project = \Drupal::service('locale.project')->get('custom_module_one');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'local', 'Translation of custom_module_one found');
+    $this->assertTrue($project->localIsLatest(), 'Translation of custom_module_one found');
 
     // Set the test conditions.
     $edit = array(
@@ -124,26 +124,26 @@ public function testUpdateCheckStatus() {
     /** @var \Drupal\locale\LocaleTranslatableProjectInterface $project */
     $project = \Drupal::service('locale.project')->get('contrib_module_one');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'remote', 'Translation of contrib_module_one found');
+    $this->assertTrue($project->remoteIsLatest(), 'Translation of contrib_module_one found');
     $this->assertEqual($project->getLatestSourceTimestamp(), $this->timestampNew, 'Translation timestamp found');
 
     $project = \Drupal::service('locale.project')->get('contrib_module_two');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'local', 'Translation of contrib_module_two found');
+    $this->assertTrue($project->localIsLatest(), 'Translation of contrib_module_two found');
     $this->assertEqual($project->getLatestSourceTimestamp(), $this->timestampNew, 'Translation timestamp found');
 
     $project = \Drupal::service('locale.project')->get('contrib_module_three');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'local', 'Translation of contrib_module_three found');
+    $this->assertTrue($project->localIsLatest(), 'Translation of contrib_module_three found');
     $this->assertEqual($project->getLatestSourceTimestamp(), $this->timestampOld, 'Translation timestamp found');
 
     $project = \Drupal::service('locale.project')->get('locale_test');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'local', 'Translation of locale_test found');
+    $this->assertTrue($project->localIsLatest(), 'Translation of locale_test found');
 
     $project = \Drupal::service('locale.project')->get('custom_module_one');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'local', 'Translation of custom_module_one found');
+    $this->assertTrue($project->localIsLatest(), 'Translation of custom_module_one found');
   }
 
   /**
@@ -184,15 +184,15 @@ public function testUpdateImportSourceRemote() {
     /** @var \Drupal\locale\LocaleTranslatableProjectInterface $project */
     $project = \Drupal::service('locale.project')->get('contrib_module_one');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'current', 'Translation of contrib_module_one found');
+    $this->assertTrue($project->isUpToDate(), 'Translation of contrib_module_one found');
 
     $project = \Drupal::service('locale.project')->get('contrib_module_two');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'current', 'Translation of contrib_module_two found');
+    $this->assertTrue($project->isUpToDate(), 'Translation of contrib_module_two found');
 
     $project = \Drupal::service('locale.project')->get('contrib_module_three');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'current', 'Translation of contrib_module_three found');
+    $this->assertTrue($project->isUpToDate(), 'Translation of contrib_module_three found');
 
     // Check the new translation status.
     // The static cache needs to be flushed first to get the most recent data
@@ -246,15 +246,15 @@ public function testUpdateImportSourceLocal() {
     /** @var \Drupal\locale\LocaleTranslatableProjectInterface $project */
     $project = \Drupal::service('locale.project')->get('contrib_module_one');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'current', 'Translation of contrib_module_one found');
+    $this->assertTrue($project->isUpToDate(), 'Translation of contrib_module_one found');
 
     $project = \Drupal::service('locale.project')->get('contrib_module_two');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'current', 'Translation of contrib_module_two found');
+    $this->assertTrue($project->isUpToDate(), 'Translation of contrib_module_two found');
 
     $project = \Drupal::service('locale.project')->get('contrib_module_three');
     $project->setLangcode('de');
-    $this->assertEqual($project->getLatestSourceType(), 'current', 'Translation of contrib_module_three found');
+    $this->assertTrue($project->isUpToDate(), 'Translation of contrib_module_three found');
 
     // Check the new translation status.
     // The static cache needs to be flushed first to get the most recent data