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require 'test/unit'
require 'feed_tools'
require 'feed_tools/helpers/feed_tools_helper'
class CacheTest < Test::Unit::TestCase
include FeedTools::FeedToolsHelper
def setup
FeedTools.reset_configurations
FeedTools.configurations[:tidy_enabled] = false
FeedTools.configurations[:feed_cache] = "FeedTools::DatabaseFeedCache"
FeedTools::FeedToolsHelper.default_local_path =
File.expand_path(
File.expand_path(File.dirname(__FILE__)) + '/../feeds')
end
def test_database_connection
# Ensure the cache is on for this test
FeedTools.configurations[:feed_cache] = "FeedTools::DatabaseFeedCache"
unless FeedTools.feed_cache.nil?
# Assumes that there is a database.yml file handy
assert_equal(true, FeedTools.feed_cache_connected?)
else
puts "\nSkipping cache test since the cache is still disabled.\n"
end
end
def test_redirects_when_cache_disabled
# Turn the cache off for this test
FeedTools.configurations[:feed_cache] = nil
# We just want to make sure there's no unexpected exceptions
begin
slashdot_feed = FeedTools::Feed.open('http://www.slashdot.org/index.rss')
rescue FeedTools::FeedAccessError
end
# Turn the cache back on
FeedTools.configurations[:feed_cache] = "FeedTools::DatabaseFeedCache"
end
def test_redirects_when_cache_enabled
# Ensure the cache is on for this test
FeedTools.configurations[:feed_cache] = "FeedTools::DatabaseFeedCache"
begin
slashdot_feed = FeedTools::Feed.open(
'http://www.slashdot.org/index.rss')
assert(slashdot_feed.feed_data != nil, "No content retrieved.")
assert(slashdot_feed.configurations[:feed_cache] != nil)
assert_equal(false, slashdot_feed.href.blank?)
slashdot_feed.expire!
slashdot_feed.expire!
assert_equal(true, slashdot_feed.expired?)
assert_equal(false, slashdot_feed.href.blank?)
slashdot_feed = FeedTools::Feed.open(
'http://www.slashdot.org/index.rss')
assert(slashdot_feed.feed_data != nil, "No content retrieved.")
assert(slashdot_feed.configurations[:feed_cache] != nil)
assert_equal(true, slashdot_feed.live?)
assert_equal(false, slashdot_feed.href.blank?)
slashdot_feed = FeedTools::Feed.open(
'http://www.slashdot.org/index.rss')
assert(slashdot_feed.feed_data != nil, "No content retrieved.")
assert(slashdot_feed.configurations[:feed_cache] != nil)
assert_equal(false, slashdot_feed.live?)
assert_equal(false, slashdot_feed.href.blank?)
# Make sure autodiscovery doesn't break the cache.
assert_equal(slashdot_feed.href,
FeedTools::Feed.open('http://www.slashdot.org').href)
entries =
FeedTools::DatabaseFeedCache.find_all_by_href(slashdot_feed.url)
assert_equal(1, entries.size)
rescue FeedTools::FeedAccessError
end
end
def test_cached_item_expiration
# Ensure the cache is on for this test
FeedTools.configurations[:feed_cache] = "FeedTools::DatabaseFeedCache"
begin
slashdot_feed = FeedTools::Feed.open('http://www.slashdot.org/index.rss')
assert(slashdot_feed.feed_data != nil, "No content retrieved.")
slashdot_feed.expire!
assert_equal(true, slashdot_feed.expired?)
assert_equal(false, slashdot_feed.url.blank?)
slashdot_feed = FeedTools::Feed.open('http://www.slashdot.org/index.rss')
assert(slashdot_feed.feed_data != nil, "No content retrieved.")
assert_equal(true, slashdot_feed.live?)
assert_equal(false, slashdot_feed.url.blank?)
slashdot_feed.time_to_live = 1.hour
slashdot_feed.last_retrieved = (Time.now - 55.minute)
assert_equal(false, slashdot_feed.expired?)
slashdot_feed.last_retrieved = (Time.now - 61.minute)
assert_equal(true, slashdot_feed.expired?)
rescue FeedTools::FeedAccessError
end
end
def test_file_protocol_url_cache_disuse
# Ensure the cache is on for this test
FeedTools.configurations[:feed_cache] = "FeedTools::DatabaseFeedCache"
with_feed(:from_file => 'wellformed/rss/aaa_wellformed.xml') { |feed|
assert_equal(nil, feed.cache_object)
}
end
end
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