class ViewCountVerifier:
def __init__(self, element_parsing_test_case):
self.test_case = element_parsing_test_case
self.view_count_recorder = ViewCountRecorder()
def open_page(self, page_url):
self.page_url = page_url
self.page_root = create_html_element_root_from(page_url)
self.page_text = elements_to_string(self.page_root)
def expect_exactly(self, exact_value):
self.expected_exact_value = exact_value
return self
def view_counter_on_page(self):
self.view_counters_on_page()
def view_counters_on_page(self):
self.view_counts_on_page()
self.view_counter_images_on_page()
def view_counts_on_page(self):
self.verify_page_has_expected_occurrences_of_text(" views", "view counts")
def view_counter_images_on_page(self):
self.verify_page_has_expected_occurrences_of_text("rsr/counter", "view counter images")
def verify_page_has_expected_occurrences_of_text(self, expected_text, text_description):
actual_occurrences_of_text = self.page_text.count(expected_text)
self.test_case.failUnlessEqual(self.expected_exact_value, actual_occurrences_of_text,
"\nExpected number of %s (when searching for '%s') at %s: %i\nActual number of %s: %i" %
(text_description, expected_text, self.page_url, self.expected_exact_value,
text_description, actual_occurrences_of_text))
def standard_view_counter_at_xpath(self, view_count_xpath):
self.standard_view_counters_at_xpath(view_count_xpath)
def standard_view_counters_at_xpath(self, view_count_xpath):
self.view_counters_and_counter_identifiers_with_xpaths(view_count_xpath, "%s/span/img/@src" % view_count_xpath)
def view_counters_and_counter_identifiers_with_xpaths(self, view_count_xpath, counter_identifier_xpath):
self.verify_expected_view_counters(view_count_xpath, counter_identifier_xpath)
def verify_expected_view_counters(self, view_count_xpath, counter_identifier_xpath):
self.verify_expected_view_counts_at_xpath(view_count_xpath)
self.verify_expected_counter_identifiers_at_xpath(counter_identifier_xpath)
self.can_read_view_counter_values_at_xpaths(view_count_xpath, counter_identifier_xpath)
def verify_expected_view_counts_at_xpath(self, view_count_xpath):
self.verify_elements_at_xpath(view_count_xpath)
def verify_expected_counter_identifiers_at_xpath(self, counter_identifier_xpath):
self.verify_elements_at_xpath(counter_identifier_xpath)
def verify_elements_at_xpath(self, element_xpath):
self.test_case.assert_element(self.page_root).has_exactly(self.expected_exact_value).elements_matching_xpath(element_xpath)
def can_read_view_counter_values_at_xpaths(self, view_count_xpath, counter_identifier_xpath):
# where view count text is of the form 'n views'
view_count_text_elements = text_values_at_xpath(self.page_root, view_count_xpath)
self.current_view_counts = map(lambda view_count_element: view_count_element.split(' ')[0], view_count_text_elements)
self.current_identifiers = values_at_xpath(self.page_root, counter_identifier_xpath)
self.view_count_recorder.record_view_counts(dict(zip(self.current_identifiers, self.current_view_counts)))
def verify_counts_have_incremented_as_expected(self):
self.test_case.failUnless(self.view_count_recorder.at_least_one_view_count_has_increased(),
"View counts should have increased after successive page loads:\n%s" % (self.view_count_recorder))
class ViewCountVerifier:
def __init__(self, element_parsing_test_case):
self.test_case = element_parsing_test_case
self.view_count_recorder = ViewCountRecorder()
def open_page(self, page_url):
self.page_url = page_url
self.page_root = create_html_element_root_from(page_url)
self.page_text = elements_to_string(self.page_root)
def expect_exactly(self, exact_value):
self.expected_exact_value = exact_value
return self
def view_counter_on_page(self):
self.view_counters_on_page()
def view_counters_on_page(self):
self.view_counts_on_page()
self.view_counter_images_on_page()
def view_counts_on_page(self):
self.verify_page_has_expected_occurrences_of_text(
" views", "view counts")
def view_counter_images_on_page(self):
self.verify_page_has_expected_occurrences_of_text(
"rsr/counter", "view counter images")
def verify_page_has_expected_occurrences_of_text(self, expected_text,
text_description):
actual_occurrences_of_text = self.page_text.count(expected_text)
self.test_case.failUnlessEqual(
self.expected_exact_value, actual_occurrences_of_text,
"\nExpected number of %s (when searching for '%s') at %s: %i\nActual number of %s: %i"
% (text_description, expected_text, self.page_url,
self.expected_exact_value, text_description,
actual_occurrences_of_text))
def standard_view_counter_at_xpath(self, view_count_xpath):
self.standard_view_counters_at_xpath(view_count_xpath)
def standard_view_counters_at_xpath(self, view_count_xpath):
self.view_counters_and_counter_identifiers_with_xpaths(
view_count_xpath, "%s/span/img/@src" % view_count_xpath)
def view_counters_and_counter_identifiers_with_xpaths(
self, view_count_xpath, counter_identifier_xpath):
self.verify_expected_view_counters(view_count_xpath,
counter_identifier_xpath)
def verify_expected_view_counters(self, view_count_xpath,
counter_identifier_xpath):
self.verify_expected_view_counts_at_xpath(view_count_xpath)
self.verify_expected_counter_identifiers_at_xpath(
counter_identifier_xpath)
self.can_read_view_counter_values_at_xpaths(view_count_xpath,
counter_identifier_xpath)
def verify_expected_view_counts_at_xpath(self, view_count_xpath):
self.verify_elements_at_xpath(view_count_xpath)
def verify_expected_counter_identifiers_at_xpath(self,
counter_identifier_xpath):
self.verify_elements_at_xpath(counter_identifier_xpath)
def verify_elements_at_xpath(self, element_xpath):
self.test_case.assert_element(self.page_root).has_exactly(
self.expected_exact_value).elements_matching_xpath(element_xpath)
def can_read_view_counter_values_at_xpaths(self, view_count_xpath,
counter_identifier_xpath):
# where view count text is of the form 'n views'
view_count_text_elements = text_values_at_xpath(
self.page_root, view_count_xpath)
self.current_view_counts = map(
lambda view_count_element: view_count_element.split(' ')[0],
view_count_text_elements)
self.current_identifiers = values_at_xpath(self.page_root,
counter_identifier_xpath)
self.view_count_recorder.record_view_counts(
dict(zip(self.current_identifiers, self.current_view_counts)))
def verify_counts_have_incremented_as_expected(self):
self.test_case.failUnless(
self.view_count_recorder.at_least_one_view_count_has_increased(),
"View counts should have increased after successive page loads:\n%s"
% (self.view_count_recorder))
def __init__(self, element_parsing_test_case):
self.test_case = element_parsing_test_case
self.view_count_recorder = ViewCountRecorder()
def __init__(self, element_parsing_test_case):
self.test_case = element_parsing_test_case
self.view_count_recorder = ViewCountRecorder()
