###
# Copyright (c) 2002-2004, Jeremiah Fincher
# Copyright (c) 2009, James McCoy
# All rights reserved.
#
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# modification, are permitted provided that the following conditions are met:
#
#   * Redistributions of source code must retain the above copyright notice,
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###

import sys
import feedparser
from supybot.test import *
import supybot.conf as conf
import supybot.utils.minisix as minisix

xkcd_old = """<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0"><channel><title>xkcd.com</title><link>http://xkcd.com/</link><description>xkcd.com: A webcomic of romance and math humor.</description><language>en</language><item><title>Snake Facts</title><link>http://xkcd.com/1398/</link><description>&lt;img src="http://imgs.xkcd.com/comics/snake_facts.png" title="Biologically speaking, what we call a 'snake' is actually a human digestive tract which has escaped from its host." alt="Biologically speaking, what we call a 'snake' is actually a human digestive tract which has escaped from its host." /&gt;</description><pubDate>Wed, 23 Jul 2014 04:00:00 -0000</pubDate><guid>http://xkcd.com/1398/</guid></item></channel></rss>
"""

xkcd_new = """<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0"><channel><title>xkcd.com</title><link>http://xkcd.com/</link><description>xkcd.com: A webcomic of romance and math humor.</description><language>en</language><item><title>Telescopes: Refractor vs Reflector</title><link>http://xkcd.com/1791/</link><description>&lt;img src="http://imgs.xkcd.com/comics/telescopes_refractor_vs_reflector.png" title="On the other hand, the refractor's limited light-gathering means it's unable to make out shadow people or the dark god Chernabog." alt="On the other hand, the refractor's limited light-gathering means it's unable to make out shadow people or the dark god Chernabog." /&gt;</description><pubDate>Fri, 27 Jan 2017 05:00:00 -0000</pubDate><guid>http://xkcd.com/1791/</guid></item><item><title>Chaos</title><link>http://xkcd.com/1399/</link><description>&lt;img src="http://imgs.xkcd.com/comics/chaos.png" title="Although the oral exam for the doctorate was just 'can you do that weird laugh?'" alt="Although the oral exam for the doctorate was just 'can you do that weird laugh?'" /&gt;</description><pubDate>Fri, 25 Jul 2014 04:00:00 -0000</pubDate><guid>http://xkcd.com/1399/</guid></item><item><title>Snake Facts</title><link>http://xkcd.com/1398/</link><description>&lt;img src="http://imgs.xkcd.com/comics/snake_facts.png" title="Biologically speaking, what we call a 'snake' is actually a human digestive tract which has escaped from its host." alt="Biologically speaking, what we call a 'snake' is actually a human digestive tract which has escaped from its host." /&gt;</description><pubDate>Wed, 23 Jul 2014 04:00:00 -0000</pubDate><guid>http://xkcd.com/1398/</guid></item></channel></rss>
"""

not_well_formed = """<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0">
<channel>
	<title>this is missing a close tag
	<link>http://example.com/</link>
	<description>this dummy feed has no elements</description>
	<language>en</language>
</channel>
</rss>
"""

def constant(content):
    if minisix.PY3:
        content = content.encode()
    def f(*args, **kwargs):
        return minisix.io.BytesIO(content)
    return f

url = 'http://www.advogato.org/rss/articles.xml'
class RSSTestCase(ChannelPluginTestCase):
    plugins = ('RSS','Plugin')
    def testRssAddBadName(self):
        self.assertError('rss add "foo bar" %s' % url)

    def testCantAddFeedNamedRss(self):
        self.assertError('rss add rss %s' % url)

    def testCantRemoveMethodThatIsntFeed(self):
        self.assertError('rss remove rss')

    def testCantAddDuplicatedFeed(self):
        self.assertNotError('rss add xkcd http://xkcd.com/rss.xml')
        try:
            self.assertError('rss add xkcddup http://xkcd.com/rss.xml')
        finally:
            self.assertNotError('rss remove xkcd')

    def testInitialAnnounceNewest(self):
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_new)
        timeFastForward(1.1)
        try:
            with conf.supybot.plugins.RSS.sortFeedItems.context('newestFirst'):
                with conf.supybot.plugins.RSS.initialAnnounceHeadlines.context(1):
                    self.assertNotError('rss add xkcd http://xkcd.com/rss.xml')
                    self.assertNotError('rss announce add xkcd')
                    self.assertRegexp(' ', 'Telescopes')
        finally:
            self._feedMsg('rss announce remove xkcd')
            self._feedMsg('rss remove xkcd')
            feedparser._open_resource = old_open

    def testInitialAnnounceOldest(self):
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_new)
        timeFastForward(1.1)
        try:
            with conf.supybot.plugins.RSS.initialAnnounceHeadlines.context(1):
                with conf.supybot.plugins.RSS.sortFeedItems.context('oldestFirst'):
                    self.assertNotError('rss add xkcd http://xkcd.com/rss.xml')
                    self.assertNotError('rss announce add xkcd')
                    self.assertRegexp(' ', 'Telescopes')
        finally:
            self._feedMsg('rss announce remove xkcd')
            self._feedMsg('rss remove xkcd')
            feedparser._open_resource = old_open

    def testNoInitialAnnounce(self):
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_old)
        timeFastForward(1.1)
        try:
            with conf.supybot.plugins.RSS.initialAnnounceHeadlines.context(0):
                self.assertNotError('rss add xkcd http://xkcd.com/rss.xml')
                self.assertNotError('rss announce add xkcd')
                self.assertNoResponse(' ', timeout=0.1)
        finally:
            self._feedMsg('rss announce remove xkcd')
            self._feedMsg('rss remove xkcd')
            feedparser._open_resource = old_open

    def testAnnounce(self):
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_old)
        timeFastForward(1.1)
        try:
            self.assertError('rss announce add xkcd')
            self.assertNotError('rss add xkcd http://xkcd.com/rss.xml')
            self.assertNotError('rss announce add xkcd')
            self.assertNotError(' ')
            with conf.supybot.plugins.RSS.sortFeedItems.context('oldestFirst'):
                with conf.supybot.plugins.RSS.waitPeriod.context(1):
                    timeFastForward(1.1)
                    self.assertNoResponse(' ', timeout=0.1)
                    feedparser._open_resource = constant(xkcd_new)
                    self.assertNoResponse(' ', timeout=0.1)
                    timeFastForward(1.1)
                    self.assertRegexp(' ', 'Chaos')
                    self.assertRegexp(' ', 'Telescopes')
                    self.assertNoResponse(' ')
        finally:
            self._feedMsg('rss announce remove xkcd')
            self._feedMsg('rss remove xkcd')
            feedparser._open_resource = old_open

    def testMaxAnnounces(self):
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_old)
        timeFastForward(1.1)
        try:
            self.assertError('rss announce add xkcd')
            self.assertNotError('rss add xkcd http://xkcd.com/rss.xml')
            self.assertNotError('rss announce add xkcd')
            self.assertNotError(' ')
            with conf.supybot.plugins.RSS.sortFeedItems.context('oldestFirst'):
                with conf.supybot.plugins.RSS.waitPeriod.context(1):
                    with conf.supybot.plugins.RSS.maximumAnnounceHeadlines.context(1):
                        timeFastForward(1.1)
                        self.assertNoResponse(' ', timeout=0.1)
                        feedparser._open_resource = constant(xkcd_new)
                        log.debug('set return value to: %r', xkcd_new)
                        self.assertNoResponse(' ', timeout=0.1)
                        timeFastForward(1.1)
                        self.assertRegexp(' ', 'Telescopes')
                        self.assertNoResponse(' ')
        finally:
            self._feedMsg('rss announce remove xkcd')
            self._feedMsg('rss remove xkcd')
            feedparser._open_resource = old_open

    def testAnnounceAnonymous(self):
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_old)
        timeFastForward(1.1)
        try:
            self.assertNotError('rss announce add http://xkcd.com/rss.xml')
            self.assertNotError(' ')
            with conf.supybot.plugins.RSS.waitPeriod.context(1):
                timeFastForward(1.1)
                self.assertNoResponse(' ', timeout=0.1)
                feedparser._open_resource = constant(xkcd_new)
                self.assertNoResponse(' ', timeout=0.1)
                timeFastForward(1.1)
                self.assertRegexp(' ', 'Telescopes')
        finally:
            self._feedMsg('rss announce remove http://xkcd.com/rss.xml')
            self._feedMsg('rss remove http://xkcd.com/rss.xml')
            feedparser._open_resource = old_open

    def testAnnounceReload(self):
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_old)
        timeFastForward(1.1)
        try:
            with conf.supybot.plugins.RSS.waitPeriod.context(1):
                self.assertNotError('rss add xkcd http://xkcd.com/rss.xml')
                self.assertNotError('rss announce add xkcd')
                self.assertNotError(' ', timeout=0.1)
                self.assertNotError('reload RSS')
                self.assertNoResponse(' ', timeout=0.1)
                timeFastForward(1.1)
                self.assertNoResponse(' ', timeout=0.1)
        finally:
            self._feedMsg('rss announce remove xkcd')
            self._feedMsg('rss remove xkcd')
            feedparser._open_resource = old_open

    def testReload(self):
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_old)
        timeFastForward(1.1)
        try:
            with conf.supybot.plugins.RSS.waitPeriod.context(1):
                self.assertNotError('rss add xkcd http://xkcd.com/rss.xml')
                self.assertNotError('rss announce add xkcd')
                self.assertRegexp(' ', 'Snake Facts')
                feedparser._open_resource = constant(xkcd_new)
                self.assertNotError('reload RSS')
                self.assertRegexp(' ', 'Telescopes')
        finally:
            self._feedMsg('rss announce remove xkcd')
            self._feedMsg('rss remove xkcd')
            feedparser._open_resource = old_open

    def testReloadNoDelay(self):
        # https://github.com/ProgVal/Limnoria/issues/922
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_old)
        timeFastForward(1.1)
        try:
            with conf.supybot.plugins.RSS.waitPeriod.context(1):
                self.assertNotError('rss add xkcd http://xkcd.com/rss.xml')
                self.assertRegexp('xkcd', 'Snake Facts')
                self.assertNotError('reload RSS')
                self.assertRegexp('xkcd', 'Snake Facts')
        finally:
            self._feedMsg('rss announce remove xkcd')
            self._feedMsg('rss remove xkcd')
            feedparser._open_resource = old_open

    def testReannounce(self):
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_old)
        timeFastForward(1.1)
        try:
            self.assertError('rss announce add xkcd')
            self.assertNotError('rss add xkcd http://xkcd.com/rss.xml')
            self.assertNotError('rss announce add xkcd')
            self.assertRegexp(' ', 'Snake Facts')
            with conf.supybot.plugins.RSS.waitPeriod.context(1):
                with conf.supybot.plugins.RSS.initialAnnounceHeadlines.context(1):
                    with conf.supybot.plugins.RSS.sortFeedItems.context('oldestFirst'):
                        timeFastForward(1.1)
                        self.assertNoResponse(' ', timeout=0.1)
                        self._feedMsg('rss announce remove xkcd')
                        feedparser._open_resource = constant(xkcd_new)
                        timeFastForward(1.1)
                        self.assertNoResponse(' ', timeout=0.1)
                        self.assertNotError('rss announce add xkcd')
                        timeFastForward(1.1)
                        self.assertRegexp(' ', 'Chaos')
                        self.assertRegexp(' ', 'Telescopes')
                        self.assertNoResponse(' ')
        finally:
            self._feedMsg('rss announce remove xkcd')
            self._feedMsg('rss remove xkcd')
            feedparser._open_resource = old_open

    def testFeedSpecificFormat(self):
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_old)
        timeFastForward(1.1)
        try:
            self.assertNotError('rss add xkcd http://xkcd.com/rss.xml')
            self.assertNotError('rss add xkcdsec https://xkcd.com/rss.xml')
            self.assertNotError('config plugins.RSS.feeds.xkcd.format foo')
            self.assertRegexp('config plugins.RSS.feeds.xkcd.format', 'foo')
            self.assertRegexp('xkcd', 'foo')
            self.assertNotRegexp('xkcdsec', 'foo')
        finally:
            self._feedMsg('rss remove xkcd')
            self._feedMsg('rss remove xkcdsec')
            feedparser._open_resource = old_open

    def testFeedSpecificWaitPeriod(self):
        old_open = feedparser._open_resource
        feedparser._open_resource = constant(xkcd_old)
        timeFastForward(1.1)
        try:
            self.assertNotError('rss add xkcd1 http://xkcd.com/rss.xml')
            self.assertNotError('rss announce add xkcd1')
            self.assertNotError('rss add xkcd2 http://xkcd.com/rss.xml&foo')
            self.assertNotError('rss announce add xkcd2')
            self.assertNotError(' ')
            self.assertNotError(' ')
            with conf.supybot.plugins.RSS.sortFeedItems.context('oldestFirst'):
                with conf.supybot.plugins.RSS.feeds.xkcd1.waitPeriod.context(1):
                    timeFastForward(1.1)
                    self.assertNoResponse(' ', timeout=0.1)
                    feedparser._open_resource = constant(xkcd_new)
                    self.assertNoResponse(' ', timeout=0.1)
                    timeFastForward(1.1)
                    self.assertRegexp(' ', 'xkcd1.*Chaos')
                    self.assertRegexp(' ', 'xkcd1.*Telescopes')
                    self.assertNoResponse(' ')
                    timeFastForward(1.1)
                    self.assertNoResponse(' ', timeout=0.1)
        finally:
            self._feedMsg('rss announce remove xkcd1')
            self._feedMsg('rss remove xkcd1')
            self._feedMsg('rss announce remove xkcd2')
            self._feedMsg('rss remove xkcd2')
            feedparser._open_resource = old_open

    def testDescription(self):
        timeFastForward(1.1)
        with conf.supybot.plugins.RSS.format.context('$description'):
            old_open = feedparser._open_resource
            feedparser._open_resource = constant(xkcd_new)
            try:
                self.assertRegexp('rss http://xkcd.com/rss.xml',
                        'On the other hand, the refractor\'s')
            finally:
                feedparser._open_resource = old_open

    def testBadlyFormedFeedWithNoItems(self):
        # This combination will cause the RSS command to show the last parser
        # error.
        old_open = feedparser._open_resource
        timeFastForward(1.1)
        feedparser._open_resource = constant(not_well_formed)
        try:
            self.assertRegexp('rss http://example.com/',
                              'Parser error')
        finally:
            feedparser._open_resource = old_open

    if network:
        def testRssinfo(self):
            timeFastForward(1.1)
            self.assertNotError('rss info %s' % url)
            self.assertNotError('rss add advogato %s' % url)
            self.assertNotError('rss info advogato')
            self.assertNotError('rss info AdVogATo')
            self.assertNotError('rss remove advogato')

        def testRssinfoDoesTimeProperly(self):
            timeFastForward(1.1)
            self.assertNotRegexp('rss info http://slashdot.org/slashdot.rss',
                                 '-1 years')

        def testAnnounceAdd(self):
            timeFastForward(1.1)
            self.assertNotError('rss add advogato %s' % url)
            self.assertNotError('rss announce add advogato')
            self.assertNotRegexp('rss announce', r'ValueError')
            self.assertNotError('rss announce remove advogato')
            self.assertNotError('rss remove advogato')

        def testRss(self):
            timeFastForward(1.1)
            self.assertNotError('rss %s' % url)
            m = self.assertNotError('rss %s 2' % url)
            self.failUnless(m.args[1].count(' | ') == 1)

        def testRssAdd(self):
            timeFastForward(1.1)
            self.assertNotError('rss add advogato %s' % url)
            self.assertNotError('advogato')
            self.assertNotError('rss advogato')
            self.assertNotError('rss remove advogato')
            self.assertNotRegexp('list RSS', 'advogato')
            self.assertError('advogato')
            self.assertError('rss advogato')

        def testNonAsciiFeeds(self):
            timeFastForward(1.1)
            self.assertNotError('rss http://www.heise.de/newsticker/heise.rdf')
            self.assertNotError('rss info http://br-linux.org/main/index.xml')



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