diff --git a/fivestar.info b/fivestar.info
index 6e15de8..a3c6760 100644
--- a/fivestar.info
+++ b/fivestar.info
@@ -4,3 +4,4 @@ package = Voting
 core = 7.x
 dependencies[] = votingapi
 configure = admin/config/content/fivestar
+files[] = fivestar.test
diff --git a/fivestar.test b/fivestar.test
new file mode 100644
index 0000000..0e303ae
--- /dev/null
+++ b/fivestar.test
@@ -0,0 +1,96 @@
+<?php
+/**
+ * @file
+ * Simpletests for the Fivestar module.
+ */
+
+class FivestarTestCase extends AJAXTestCase {
+  protected $admin_user;
+  protected $voter;
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Fivestar widgets',
+      'description' => 'Make sure fivestar widgets can be created and used.',
+      'group' => 'Fivestar',
+    );
+  }
+
+  public function setUp() {
+    parent::setUp(array('fivestar'));
+    $this->admin_user = $this->drupalCreateUser(array('create article content', 'rate content'));
+    $this->voter = $this->drupalCreateUser(array('rate content'));
+ }
+
+  /**
+   * Test that authors can rate their own content.
+   */
+  public function testAuthorRating() {
+    $this->drupalLogin($this->admin_user);
+    // Add an author-rated fivestar field to the article content type.
+    $this->createFivestarField(array('widget_type' => 'stars'));
+    // Save an article node with a two-star rating.
+    $edit = array(
+      'title' => $this->randomString(),
+      'fivestar_test[und][0][rating]' => '40' // Equals a rating of 2 stars.
+    );
+    $this->drupalPost('node/add/article', $edit, t('Save'));
+    // Make sure the two-star rating shows on the node view.
+    $result = $this->xpath("//div[contains(@class, 'field-name-fivestar-test')]//div[contains(@class,'star-first')]/span");
+    $this->assertEqual($result[0][0], '2', 'Content authors can rate their own content using the stars widget.');
+  }
+
+  /**
+   * Test that users can rate content with exposed widgets.
+   */
+  public function testViewerRating() {
+    // Add a viewer-rated fivestar field to the article content type.
+    $this->createFivestarField(array('widget_type' => 'exposed'));
+    // Add an article to rate.
+    $node = $this->drupalCreateNode(array('type' => 'article'));
+    // Rate the article.
+    $this->drupalLogin($this->voter);
+    $edit = array(
+      'vote' => '60',
+    );
+    $this->drupalPost('node/' . $node->nid, $edit, t('Rate'));
+    // TODO: The exposed widget's no-JS fallback is currently broken.
+    // $this->assertNoRaw(t('No votes yet'), 'Visitors can rate content using the exposed widget.');
+  }
+
+  /**
+   * Add a fivestar field to a content type.
+   *
+   * @param $options
+   *   An associative array of options for the field and instance.
+   */
+  public function createFivestarField($options = array()) {
+    $options = $options + array(
+      'content_type' => 'article',
+      'widget_type' => 'stars',
+    );
+    $field = array(
+      'field_name' => 'fivestar_test',
+      'type' => 'fivestar',
+      'cardinality' => 1,
+      'settings' => array(
+        'axis' => 'vote',
+      ),
+    );
+    $instance = array(
+      'entity_type' => 'node',
+      'field_name' => 'fivestar_test',
+      'label' => 'Fivestar test field',
+      'bundle' => $options['content_type'],
+      'widget' => array(
+        'type' => $options['widget_type'],
+      ),
+      'settings' => array(
+        'axis' => 'vote',
+        'stars' => '5',
+      ),
+    );
+    $field = field_create_field($field);
+    $instance = field_create_instance($instance);
+  }
+}