fixed prefix removal. Readme updated

README.md

@@ -1,9 +1,18 @@
-pytestbdd - The BDD library for py.test runner.
-===============================================
+BDD library for the py.test runner
+===================================
 
 
+Install pytestbdd
+=================
+
+	pip install pytestbdd
+
+
+Example
+=======
+
+publish_article.feature:
 
-Example:
     Scenario: Publishing the article
         Given I'm an author user
         And I have an article
@@ -11,4 +20,35 @@ Example:
         And I press the publish button
         Then I should not see the error message
         And the article should be published  # Note: will query the database
-	
+
+
+test_publish_article.py:
+
+	from pytestbdd import scenario, given, when, then
+
+	test_publish = scenario('publish_article.feature', 'Publishing the article')
+
+
+	@given('I have an article')
+	def article(author)
+		return create_test_article(author=author)
+
+
+	@when('I go to the article page')
+	def go_to_article(article, browser):
+		browser.visit(urljoin(browser.url, '/manage/articles/{0}/'.format(article.id)))
+
+	@when('I press the publish button')
+	def publish_article(browser):
+		browser.find_by_css('button[name=publish]').first.click()
+
+	@then('I should not see the error message')
+	def no_error_message(browser):
+	    with pytest.raises(ElementDoesNotExist):
+	        browser.find_by_css('.message.error').first
+
+
+	@then('And the article should be published')
+	def article_is_published(article):
+		article.refresh()  # Refresh the object in the SQLAlchemy session
+		assert article.is_published

pytestbdd/feature.py

@@ -69,7 +69,7 @@ def remove_prefix(line):
     """
     for prefix in STEP_PREFIXES:
         if line.startswith(prefix):
-            return line[:len(prefix)].strip()
+            return line[len(prefix):].strip()
     return line
 
 
@@ -94,6 +94,8 @@ class Feature(object):
                     continue
 
                 mode = get_step_type(line) or mode
+                # Remove Given, When, Then, And
+                line = remove_prefix(line)
 
                 if mode == SCENARIO:
                     self.scenarios[line] = scenario = Scenario(line)