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import unittest2 as unittest
import datetime
import StringIO

from .bugzilla import Bugzilla, BugzillaQueries, EditUsersParser

from webkitpy.common.config import urls
from webkitpy.common.config.committers import Reviewer, Committer, Contributor, CommitterList
from webkitpy.common.system.outputcapture import OutputCapture
from webkitpy.common.net.web_mock import MockBrowser
from webkitpy.thirdparty.mock import Mock
from webkitpy.thirdparty.BeautifulSoup import BeautifulSoup


class BugzillaTest(unittest.TestCase):
    _example_attachment = '''
        <attachment
          isobsolete="1"
          ispatch="1"
          isprivate="0"
        >
        <attachid>33721</attachid>
        <date>2009-07-29 10:23 PDT</date>
        <desc>Fixed whitespace issue</desc>
        <filename>patch</filename>
        <type>text/plain</type>
        <size>9719</size>
        <attacher>christian.plesner.hansen@gmail.com</attacher>
          <flag name="review"
                id="17931"
                status="+"
                setter="one@test.com"
           />
          <flag name="commit-queue"
                id="17932"
                status="+"
                setter="two@test.com"
           />
        </attachment>
'''
    _expected_example_attachment_parsing = {
        'attach_date': datetime.datetime(2009, 07, 29, 10, 23),
        'bug_id' : 100,
        'is_obsolete' : True,
        'is_patch' : True,
        'id' : 33721,
        'url' : "https://bugs.webkit.org/attachment.cgi?id=33721",
        'name' : "Fixed whitespace issue",
        'type' : "text/plain",
        'review' : '+',
        'reviewer_email' : 'one@test.com',
        'commit-queue' : '+',
        'committer_email' : 'two@test.com',
        'attacher_email' : 'christian.plesner.hansen@gmail.com',
    }

    def test_url_creation(self):
        # FIXME: These would be all better as doctests
        bugs = Bugzilla()
        self.assertIsNone(bugs.bug_url_for_bug_id(None))
        self.assertIsNone(bugs.short_bug_url_for_bug_id(None))
        self.assertIsNone(bugs.attachment_url_for_id(None))

    def test_parse_bug_id(self):
        # Test that we can parse the urls we produce.
        bugs = Bugzilla()
        self.assertEqual(12345, urls.parse_bug_id(bugs.short_bug_url_for_bug_id(12345)))
        self.assertEqual(12345, urls.parse_bug_id(bugs.bug_url_for_bug_id(12345)))
        self.assertEqual(12345, urls.parse_bug_id(bugs.bug_url_for_bug_id(12345, xml=True)))

    _bug_xml = """
    <bug>
          <bug_id>32585</bug_id>
          <creation_ts>2009-12-15 15:17 PST</creation_ts>
          <short_desc>bug to test webkit-patch&apos;s and commit-queue&apos;s failures</short_desc>
          <delta_ts>2009-12-27 21:04:50 PST</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Tools / Tests</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>PC</rep_platform>
          <op_sys>Mac OS X 10.5</op_sys>
          <bug_status>NEW</bug_status>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          <everconfirmed>1</everconfirmed>
          <reporter name="Eric Seidel">eric@webkit.org</reporter>
          <assigned_to name="Nobody">webkit-unassigned@lists.webkit.org</assigned_to>
          <cc>foo@bar.com</cc>
    <cc>example@example.com</cc>
          <long_desc isprivate="0">
            <who name="Eric Seidel">eric@webkit.org</who>
            <bug_when>2009-12-15 15:17:28 PST</bug_when>
            <thetext>bug to test webkit-patch and commit-queue failures

Ignore this bug.  Just for testing failure modes of webkit-patch and the commit-queue.</thetext>
          </long_desc>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>45548</attachid>
            <date>2009-12-27 23:51 PST</date>
            <desc>Patch</desc>
            <filename>bug-32585-20091228005112.patch</filename>
            <type>text/plain</type>
            <size>10882</size>
            <attacher>mjs@apple.com</attacher>

              <token>1261988248-dc51409e9c421a4358f365fa8bec8357</token>
              <data encoding="base64">SW5kZXg6IFdlYktpdC9tYWMvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09
removed-because-it-was-really-long
ZEZpbmlzaExvYWRXaXRoUmVhc29uOnJlYXNvbl07Cit9CisKIEBlbmQKIAogI2VuZGlmCg==
</data>

            <flag name="review"
                id="27602"
                status="?"
                setter="mjs@apple.com"
            />
        </attachment>
    </bug>
"""

    _single_bug_xml = """
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/bugzilla.dtd">
<bugzilla version="3.2.3"
          urlbase="https://bugs.webkit.org/"
          maintainer="admin@webkit.org"
          exporter="eric@webkit.org"
>
%s
</bugzilla>
""" % _bug_xml

    _expected_example_bug_parsing = {
        "id" : 32585,
        "title" : u"bug to test webkit-patch's and commit-queue's failures",
        "cc_emails" : ["foo@bar.com", "example@example.com"],
        "reporter_email" : "eric@webkit.org",
        "assigned_to_email" : "webkit-unassigned@lists.webkit.org",
        "bug_status": "NEW",
        "attachments" : [{
            "attach_date": datetime.datetime(2009, 12, 27, 23, 51),
            'name': u'Patch',
            'url' : "https://bugs.webkit.org/attachment.cgi?id=45548",
            'is_obsolete': False,
            'review': '?',
            'is_patch': True,
            'attacher_email': 'mjs@apple.com',
            'bug_id': 32585,
            'type': 'text/plain',
            'id': 45548
        }],
        "comments" : [{
                'comment_date': datetime.datetime(2009, 12, 15, 15, 17, 28),
                'comment_email': 'eric@webkit.org',
                'text': """bug to test webkit-patch and commit-queue failures

Ignore this bug.  Just for testing failure modes of webkit-patch and the commit-queue.""",
        }]
    }

    # FIXME: This should move to a central location and be shared by more unit tests.
    def _assert_dictionaries_equal(self, actual, expected):
        # Make sure we aren't parsing more or less than we expect
        self.assertItemsEqual(actual.keys(), expected.keys())

        for key, expected_value in expected.items():
            self.assertEqual(actual[key], expected_value, ("Failure for key: %s: Actual='%s' Expected='%s'" % (key, actual[key], expected_value)))

    def test_parse_bug_dictionary_from_xml(self):
        bug = Bugzilla()._parse_bug_dictionary_from_xml(self._single_bug_xml)
        self._assert_dictionaries_equal(bug, self._expected_example_bug_parsing)

    _sample_multi_bug_xml = """
<bugzilla version="3.2.3" urlbase="https://bugs.webkit.org/" maintainer="admin@webkit.org" exporter="eric@webkit.org">
    %s
    %s
</bugzilla>
""" % (_bug_xml, _bug_xml)

    def test_parse_bugs_from_xml(self):
        bugzilla = Bugzilla()
        bugs = bugzilla._parse_bugs_from_xml(self._sample_multi_bug_xml)
        self.assertEqual(len(bugs), 2)
        self.assertEqual(bugs[0].id(), self._expected_example_bug_parsing['id'])
        bugs = bugzilla._parse_bugs_from_xml("")
        self.assertEqual(len(bugs), 0)

    # This could be combined into test_bug_parsing later if desired.
    def test_attachment_parsing(self):
        bugzilla = Bugzilla()
        soup = BeautifulSoup(self._example_attachment)
        attachment_element = soup.find("attachment")
        attachment = bugzilla._parse_attachment_element(attachment_element, self._expected_example_attachment_parsing['bug_id'])
        self.assertTrue(attachment)
        self._assert_dictionaries_equal(attachment, self._expected_example_attachment_parsing)

    _sample_attachment_detail_page = """
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
                      "http://www.w3.org/TR/html4/loose.dtd">
<html>
  <head>
    <title>
  Attachment 41073 Details for Bug 27314</title>
<link rel="Top" href="https://bugs.webkit.org/">
    <link rel="Up" href="show_bug.cgi?id=27314">
"""

    def test_attachment_detail_bug_parsing(self):
        bugzilla = Bugzilla()
        self.assertEqual(27314, bugzilla._parse_bug_id_from_attachment_page(self._sample_attachment_detail_page))

    def test_add_cc_to_bug(self):
        bugzilla = Bugzilla()
        bugzilla.browser = MockBrowser()
        bugzilla.authenticate = lambda: None
        expected_logs = "Adding ['adam@example.com'] to the CC list for bug 42\n"
        OutputCapture().assert_outputs(self, bugzilla.add_cc_to_bug, [42, ["adam@example.com"]], expected_logs=expected_logs)

    def _mock_control_item(self, name):
        mock_item = Mock()
        mock_item.name = name
        return mock_item

    def _mock_find_control(self, item_names=[], selected_index=0):
        mock_control = Mock()
        mock_control.items = [self._mock_control_item(name) for name in item_names]
        mock_control.value = [item_names[selected_index]] if item_names else None
        return lambda name, type: mock_control

    def _assert_reopen(self, item_names=None, selected_index=None, extra_logs=None):
        bugzilla = Bugzilla()
        bugzilla.browser = MockBrowser()
        bugzilla.authenticate = lambda: None

        mock_find_control = self._mock_find_control(item_names, selected_index)
        bugzilla.browser.find_control = mock_find_control
        expected_logs = "Re-opening bug 42\n['comment']\n"
        if extra_logs:
            expected_logs += extra_logs
        OutputCapture().assert_outputs(self, bugzilla.reopen_bug, [42, ["comment"]], expected_logs=expected_logs)

    def test_reopen_bug(self):
        self._assert_reopen(item_names=["REOPENED", "RESOLVED", "CLOSED"], selected_index=1)
        self._assert_reopen(item_names=["UNCONFIRMED", "RESOLVED", "CLOSED"], selected_index=1)
        extra_logs = "Did not reopen bug 42, it appears to already be open with status ['NEW'].\n"
        self._assert_reopen(item_names=["NEW", "RESOLVED"], selected_index=0, extra_logs=extra_logs)

    def test_file_object_for_upload(self):
        bugzilla = Bugzilla()
        file_object = StringIO.StringIO()
        unicode_tor = u"WebKit \u2661 Tor Arne Vestb\u00F8!"
        utf8_tor = unicode_tor.encode("utf-8")
        self.assertEqual(bugzilla._file_object_for_upload(file_object), file_object)
        self.assertEqual(bugzilla._file_object_for_upload(utf8_tor).read(), utf8_tor)
        self.assertEqual(bugzilla._file_object_for_upload(unicode_tor).read(), utf8_tor)

    def test_filename_for_upload(self):
        bugzilla = Bugzilla()
        mock_file = Mock()
        mock_file.name = "foo"
        self.assertEqual(bugzilla._filename_for_upload(mock_file, 1234), 'foo')
        mock_timestamp = lambda: "now"
        filename = bugzilla._filename_for_upload(StringIO.StringIO(), 1234, extension="patch", timestamp=mock_timestamp)
        self.assertEqual(filename, "bug-1234-now.patch")

    def test_commit_queue_flag(self):
        bugzilla = Bugzilla()

        bugzilla.committers = CommitterList(reviewers=[Reviewer("WebKit Reviewer", "reviewer@webkit.org")],
            committers=[Committer("WebKit Committer", "committer@webkit.org")],
            contributors=[Contributor("WebKit Contributor", "contributor@webkit.org")])

        def assert_commit_queue_flag(mark_for_landing, mark_for_commit_queue, expected, username=None):
            bugzilla.username = username
            capture = OutputCapture()
            capture.capture_output()
            try:
                self.assertEqual(bugzilla._commit_queue_flag(mark_for_landing=mark_for_landing, mark_for_commit_queue=mark_for_commit_queue), expected)
            finally:
                capture.restore_output()

        assert_commit_queue_flag(mark_for_landing=False, mark_for_commit_queue=False, expected='X', username='unknown@webkit.org')
        assert_commit_queue_flag(mark_for_landing=False, mark_for_commit_queue=True, expected='?', username='unknown@webkit.org')
        assert_commit_queue_flag(mark_for_landing=False, mark_for_commit_queue=True, expected='?', username='unknown@webkit.org')
        assert_commit_queue_flag(mark_for_landing=True, mark_for_commit_queue=True, expected='?', username='unknown@webkit.org')

        assert_commit_queue_flag(mark_for_landing=False, mark_for_commit_queue=False, expected='X', username='contributor@webkit.org')
        assert_commit_queue_flag(mark_for_landing=False, mark_for_commit_queue=True, expected='?', username='contributor@webkit.org')
        assert_commit_queue_flag(mark_for_landing=True, mark_for_commit_queue=False, expected='?', username='contributor@webkit.org')
        assert_commit_queue_flag(mark_for_landing=True, mark_for_commit_queue=True, expected='?', username='contributor@webkit.org')

        assert_commit_queue_flag(mark_for_landing=False, mark_for_commit_queue=False, expected='X', username='committer@webkit.org')
        assert_commit_queue_flag(mark_for_landing=False, mark_for_commit_queue=True, expected='?', username='committer@webkit.org')
        assert_commit_queue_flag(mark_for_landing=True, mark_for_commit_queue=False, expected='+', username='committer@webkit.org')
        assert_commit_queue_flag(mark_for_landing=True, mark_for_commit_queue=True, expected='+', username='committer@webkit.org')

        assert_commit_queue_flag(mark_for_landing=False, mark_for_commit_queue=False, expected='X', username='reviewer@webkit.org')
        assert_commit_queue_flag(mark_for_landing=False, mark_for_commit_queue=True, expected='?', username='reviewer@webkit.org')
        assert_commit_queue_flag(mark_for_landing=True, mark_for_commit_queue=False, expected='+', username='reviewer@webkit.org')
        assert_commit_queue_flag(mark_for_landing=True, mark_for_commit_queue=True, expected='+', username='reviewer@webkit.org')

    def test__check_create_bug_response(self):
        bugzilla = Bugzilla()

        title_html_bugzilla_323 = "<title>Bug 101640 Submitted</title>"
        self.assertEqual(bugzilla._check_create_bug_response(title_html_bugzilla_323), '101640')

        title_html_bugzilla_425 = "<title>Bug 101640 Submitted &ndash; Testing webkit-patch again</title>"
        self.assertEqual(bugzilla._check_create_bug_response(title_html_bugzilla_425), '101640')


class BugzillaQueriesTest(unittest.TestCase):
    _sample_request_page = """
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
                      "http://www.w3.org/TR/html4/loose.dtd">
<html>
  <head>
    <title>Request Queue</title>
  </head>
<body>

<h3>Flag: review</h3>
  <table class="requests" cellspacing="0" cellpadding="4" border="1">
    <tr>
        <th>Requester</th>
        <th>Requestee</th>
        <th>Bug</th>
        <th>Attachment</th>
        <th>Created</th>
    </tr>
    <tr>
        <td>Shinichiro Hamaji &lt;hamaji&#64;chromium.org&gt;</td>
        <td></td>
        <td><a href="show_bug.cgi?id=30015">30015: text-transform:capitalize is failing in CSS2.1 test suite</a></td>
        <td><a href="attachment.cgi?id=40511&amp;action=review">
40511: Patch v0</a></td>
        <td>2009-10-02 04:58 PST</td>
    </tr>
    <tr>
        <td>Zan Dobersek &lt;zandobersek&#64;gmail.com&gt;</td>
        <td></td>
        <td><a href="show_bug.cgi?id=26304">26304: [GTK] Add controls for playing html5 video.</a></td>
        <td><a href="attachment.cgi?id=40722&amp;action=review">
40722: Media controls, the simple approach</a></td>
        <td>2009-10-06 09:13 PST</td>
    </tr>
    <tr>
        <td>Zan Dobersek &lt;zandobersek&#64;gmail.com&gt;</td>
        <td></td>
        <td><a href="show_bug.cgi?id=26304">26304: [GTK] Add controls for playing html5 video.</a></td>
        <td><a href="attachment.cgi?id=40723&amp;action=review">
40723: Adjust the media slider thumb size</a></td>
        <td>2009-10-06 09:15 PST</td>
    </tr>
  </table>
</body>
</html>
"""
    _sample_quip_page = u"""
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
                      "http://www.w3.org/TR/html4/loose.dtd">
<html>
  <head>
    <title>Bugzilla Quip System</title>
  </head>
  <body>
    <h2>

      Existing quips:
    </h2>
    <ul>
        <li>Everything should be made as simple as possible, but not simpler. - Albert Einstein</li>
        <li>Good artists copy. Great artists steal. - Pablo Picasso</li>
        <li>\u00e7gua mole em pedra dura, tanto bate at\u008e que fura.</li>

    </ul>
  </body>
</html>
"""

    def _assert_result_count(self, queries, html, count):
        self.assertEqual(queries._parse_result_count(html), count)

    def test_parse_result_count(self):
        queries = BugzillaQueries(None)
        # Pages with results, always list the count at least twice.
        self._assert_result_count(queries, '<span class="bz_result_count">314 bugs found.</span><span class="bz_result_count">314 bugs found.</span>', 314)
        self._assert_result_count(queries, '<span class="bz_result_count">Zarro Boogs found.</span>', 0)
        self._assert_result_count(queries, '<span class="bz_result_count">\n \nOne bug found.</span>', 1)
        self.assertRaises(Exception, queries._parse_result_count, ['Invalid'])

    def test_request_page_parsing(self):
        queries = BugzillaQueries(None)
        self.assertEqual([40511, 40722, 40723], queries._parse_attachment_ids_request_query(self._sample_request_page))

    def test_quip_page_parsing(self):
        queries = BugzillaQueries(None)
        expected_quips = ["Everything should be made as simple as possible, but not simpler. - Albert Einstein", "Good artists copy. Great artists steal. - Pablo Picasso", u"\u00e7gua mole em pedra dura, tanto bate at\u008e que fura."]
        self.assertEqual(expected_quips, queries._parse_quips(self._sample_quip_page))

    def test_load_query(self):
        queries = BugzillaQueries(Mock())
        queries._load_query("request.cgi?action=queue&type=review&group=type")


class EditUsersParserTest(unittest.TestCase):
    _example_user_results = """
        <div id="bugzilla-body">
        <p>1 user found.</p>
        <table id="admin_table" border="1" cellpadding="4" cellspacing="0">
          <tr bgcolor="#6666FF">
              <th align="left">Edit user...
              </th>
              <th align="left">Real name
              </th>
              <th align="left">Account History
              </th>
          </tr>
          <tr>
              <td >
                  <a href="editusers.cgi?action=edit&amp;userid=1234&amp;matchvalue=login_name&amp;groupid=&amp;grouprestrict=&amp;matchtype=substr&amp;matchstr=abarth%40webkit.org">
                abarth&#64;webkit.org
                  </a>
              </td>
              <td >
                Adam Barth
              </td>
              <td >
                  <a href="editusers.cgi?action=activity&amp;userid=1234&amp;matchvalue=login_name&amp;groupid=&amp;grouprestrict=&amp;matchtype=substr&amp;matchstr=abarth%40webkit.org">
                View
                  </a>
              </td>
          </tr>
        </table>
    """

    _example_empty_user_results = """
    <div id="bugzilla-body">
    <p>0 users found.</p>
    <table id="admin_table" border="1" cellpadding="4" cellspacing="0">
      <tr bgcolor="#6666FF">
          <th align="left">Edit user...
          </th>
          <th align="left">Real name
          </th>
          <th align="left">Account History
          </th>
      </tr>
      <tr><td colspan="3" align="center"><i>&lt;none&gt;</i></td></tr>
    </table>
    """

    def _assert_login_userid_pairs(self, results_page, expected_logins):
        parser = EditUsersParser()
        logins = parser.login_userid_pairs_from_edit_user_results(results_page)
        self.assertEqual(logins, expected_logins)

    def test_logins_from_editusers_results(self):
        self._assert_login_userid_pairs(self._example_user_results, [("abarth@webkit.org", 1234)])
        self._assert_login_userid_pairs(self._example_empty_user_results, [])

    _example_user_page = """<table class="main"><tr>
  <th><label for="login">Login name:</label></th>
  <td>eric&#64;webkit.org
  </td>
</tr>
<tr>
  <th><label for="name">Real name:</label></th>
  <td>Eric Seidel
  </td>
</tr>
    <tr>
      <th>Group access:</th>
      <td>
        <table class="groups">
          <tr>
          </tr>
          <tr>
            <th colspan="2">User is a member of these groups</th>
          </tr>
            <tr class="direct">
              <td class="checkbox"><input type="checkbox"
                           id="group_7"
                           name="group_7"
                           value="1" checked="checked" /></td>
              <td class="groupname">
                <label for="group_7">
                  <strong>canconfirm:</strong>
                  Can confirm a bug.
                </label>
              </td>
            </tr>
            <tr class="direct">
              <td class="checkbox"><input type="checkbox"
                           id="group_6"
                           name="group_6"
                           value="1" /></td>
              <td class="groupname">
                <label for="group_6">
                  <strong>editbugs:</strong>
                  Can edit all aspects of any bug.
                /label>
              </td>
            </tr>
        </table>
      </td>
    </tr>

  <tr>
    <th>Product responsibilities:</th>
    <td>
        <em>none</em>
    </td>
  </tr>
</table>"""

    def test_user_dict_from_edit_user_page(self):
        parser = EditUsersParser()
        user_dict = parser.user_dict_from_edit_user_page(self._example_user_page)
        expected_user_dict = {u'login': u'eric@webkit.org', u'groups': set(['canconfirm']), u'name': u'Eric Seidel'}
        self.assertEqual(expected_user_dict, user_dict)