# Copyright (C) 2009 Google Inc. All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions are

# met:

#

#    * Redistributions of source code must retain the above copyright

# notice, this list of conditions and the following disclaimer.

#    * Redistributions in binary form must reproduce the above

# copyright notice, this list of conditions and the following disclaimer

# in the documentation and/or other materials provided with the

# distribution.

#    * Neither the name of Google Inc. nor the names of its

# contributors may be used to endorse or promote products derived from

# this software without specific prior written permission.

#

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import os

import threading

from webkitpy.common.config.committers import CommitterList, Reviewer

from webkitpy.common.checkout.commitinfo import CommitInfo

from webkitpy.common.checkout.scm import CommitMessage

from webkitpy.common.net.bugzilla import Bug, Attachment

from webkitpy.common.net.rietveld import Rietveld

from webkitpy.thirdparty.mock import Mock

from webkitpy.common.system.deprecated_logging import log

def _id_to_object_dictionary(*objects):

    dictionary = {}

    for thing in objects:

        dictionary[thing["id"]] = thing

    return dictionary

# Testing

# FIXME: The ids should be 1, 2, 3 instead of crazy numbers.

_patch1 = {

    "id": 197,

    "bug_id": 42,

    "url": "http://example.com/197",

    "name": "Patch1",

    "is_obsolete": False,

    "is_patch": True,

    "review": "+",

    "reviewer_email": "foo@bar.com",

    "commit-queue": "+",

    "committer_email": "foo@bar.com",

    "attacher_email": "Contributer1",

}

_patch2 = {

    "id": 128,

    "bug_id": 42,

    "url": "http://example.com/128",

    "name": "Patch2",

    "is_obsolete": False,

    "is_patch": True,

    "review": "+",

    "reviewer_email": "foo@bar.com",

    "commit-queue": "+",

    "committer_email": "non-committer@example.com",

    "attacher_email": "eric@webkit.org",

}

_patch3 = {

    "id": 103,

    "bug_id": 75,

    "url": "http://example.com/103",

    "name": "Patch3",

    "is_obsolete": False,

    "is_patch": True,

    "in-rietveld": "?",

    "review": "?",

    "attacher_email": "eric@webkit.org",

}

_patch4 = {

    "id": 104,

    "bug_id": 77,

    "url": "http://example.com/103",

    "name": "Patch3",

    "is_obsolete": False,

    "is_patch": True,

    "review": "+",

    "commit-queue": "?",

    "reviewer_email": "foo@bar.com",

    "attacher_email": "Contributer2",

}

_patch5 = {

    "id": 105,

    "bug_id": 77,

    "url": "http://example.com/103",

    "name": "Patch5",

    "is_obsolete": False,

    "is_patch": True,

    "in-rietveld": "?",

    "review": "+",

    "reviewer_email": "foo@bar.com",

    "attacher_email": "eric@webkit.org",

}

_patch6 = { # Valid committer, but no reviewer.

    "id": 106,

    "bug_id": 77,

    "url": "http://example.com/103",

    "name": "ROLLOUT of r3489",

    "is_obsolete": False,

    "is_patch": True,

    "in-rietveld": "-",

    "commit-queue": "+",

    "committer_email": "foo@bar.com",

    "attacher_email": "eric@webkit.org",

}

_patch7 = { # Valid review, patch is marked obsolete.

    "id": 107,

    "bug_id": 76,

    "url": "http://example.com/103",

    "name": "Patch7",

    "is_obsolete": True,

    "is_patch": True,

    "in-rietveld": "+",

    "review": "+",

    "reviewer_email": "foo@bar.com",

    "attacher_email": "eric@webkit.org",

}

# This matches one of Bug.unassigned_emails

_unassigned_email = "webkit-unassigned@lists.webkit.org"

# FIXME: The ids should be 1, 2, 3 instead of crazy numbers.

_bug1 = {

    "id": 42,

    "title": "Bug with two r+'d and cq+'d patches, one of which has an "

             "invalid commit-queue setter.",

    "assigned_to_email": _unassigned_email,

    "attachments": [_patch1, _patch2],

}

_bug2 = {

    "id": 75,

    "title": "Bug with a patch needing review.",

    "assigned_to_email": "foo@foo.com",

    "attachments": [_patch3],

}

_bug3 = {

    "id": 76,

    "title": "The third bug",

    "assigned_to_email": _unassigned_email,

    "attachments": [_patch7],

}

_bug4 = {

    "id": 77,

    "title": "The fourth bug",

    "assigned_to_email": "foo@foo.com",

    "attachments": [_patch4, _patch5, _patch6],

}

class MockBugzillaQueries(Mock):

    def __init__(self, bugzilla):

        Mock.__init__(self)

        self._bugzilla = bugzilla

    def _all_bugs(self):

        return map(lambda bug_dictionary: Bug(bug_dictionary, self._bugzilla),

                   self._bugzilla.bug_cache.values())

    def fetch_bug_ids_from_commit_queue(self):

        bugs_with_commit_queued_patches = filter(

                lambda bug: bug.commit_queued_patches(),

                self._all_bugs())

        return map(lambda bug: bug.id(), bugs_with_commit_queued_patches)

    def fetch_attachment_ids_from_review_queue(self):

        unreviewed_patches = sum([bug.unreviewed_patches()

                                  for bug in self._all_bugs()], [])

        return map(lambda patch: patch.id(), unreviewed_patches)

    def fetch_patches_from_commit_queue(self):

        return sum([bug.commit_queued_patches()

                    for bug in self._all_bugs()], [])

    def fetch_bug_ids_from_pending_commit_list(self):

        bugs_with_reviewed_patches = filter(lambda bug: bug.reviewed_patches(),

                                            self._all_bugs())

        bug_ids = map(lambda bug: bug.id(), bugs_with_reviewed_patches)

        # NOTE: This manual hack here is to allow testing logging in

        # test_assign_to_committer the real pending-commit query on bugzilla

        # will return bugs with patches which have r+, but are also obsolete.

        return bug_ids + [76]

    def fetch_patches_from_pending_commit_list(self):

        return sum([bug.reviewed_patches() for bug in self._all_bugs()], [])

    def fetch_first_patch_from_rietveld_queue(self):

        for bug in self._all_bugs():

            patches = bug.in_rietveld_queue_patches()

            if len(patches):

                return patches[0]

        raise Exception('No patches in the rietveld queue')

# FIXME: Bugzilla is the wrong Mock-point.  Once we have a BugzillaNetwork

#        class we should mock that instead.

# Most of this class is just copy/paste from Bugzilla.

class MockBugzilla(Mock):

    bug_server_url = "http://example.com"

    bug_cache = _id_to_object_dictionary(_bug1, _bug2, _bug3, _bug4)

    attachment_cache = _id_to_object_dictionary(_patch1,

                                                _patch2,

                                                _patch3,

                                                _patch4,

                                                _patch5,

                                                _patch6,

                                                _patch7)

    def __init__(self):

        Mock.__init__(self)

        self.queries = MockBugzillaQueries(self)

        self.committers = CommitterList(reviewers=[Reviewer("Foo Bar",

                                                            "foo@bar.com")])

    def create_bug(self,

                   bug_title,

                   bug_description,

                   component=None,

                   diff=None,

                   patch_description=None,

                   cc=None,

                   blocked=None,

                   mark_for_review=False,

                   mark_for_commit_queue=False):

        log("MOCK create_bug")

        log("bug_title: %s" % bug_title)

        log("bug_description: %s" % bug_description)

    def quips(self):

        return ["Good artists copy. Great artists steal. - Pablo Picasso"]

    def fetch_bug(self, bug_id):

        return Bug(self.bug_cache.get(bug_id), self)

    def fetch_attachment(self, attachment_id):

        # This could be changed to .get() if we wish to allow failed lookups.

        attachment_dictionary = self.attachment_cache[attachment_id]

        bug = self.fetch_bug(attachment_dictionary["bug_id"])

        for attachment in bug.attachments(include_obsolete=True):

            if attachment.id() == int(attachment_id):

                return attachment

    def bug_url_for_bug_id(self, bug_id):

        return "%s/%s" % (self.bug_server_url, bug_id)

    def fetch_bug_dictionary(self, bug_id):

        return self.bug_cache.get(bug_id)

    def attachment_url_for_id(self, attachment_id, action="view"):

        action_param = ""

        if action and action != "view":

            action_param = "&action=%s" % action

        return "%s/%s%s" % (self.bug_server_url, attachment_id, action_param)

    def set_flag_on_attachment(self,

                               attachment_id,

                               flag_name,

                               flag_value,

                               comment_text=None,

                               additional_comment_text=None):

        log("MOCK setting flag '%s' to '%s' on attachment '%s' with comment '%s' and additional comment '%s'" % (

            flag_name, flag_value, attachment_id, comment_text, additional_comment_text))

    def post_comment_to_bug(self, bug_id, comment_text, cc=None):

        log("MOCK bug comment: bug_id=%s, cc=%s\n--- Begin comment ---\%s\n--- End comment ---\n" % (

            bug_id, cc, comment_text))

    def add_patch_to_bug(self,

                         bug_id,

                         diff,

                         description,

                         comment_text=None,

                         mark_for_review=False,

                         mark_for_commit_queue=False,

                         mark_for_landing=False):

        log("MOCK add_patch_to_bug: bug_id=%s, description=%s, mark_for_review=%s, mark_for_commit_queue=%s, mark_for_landing=%s" %

            (bug_id, description, mark_for_review, mark_for_commit_queue, mark_for_landing))

        log("-- Begin comment --")

        log(comment_text)

        log("-- End comment --")

class MockBuilder(object):

    def __init__(self, name):

        self._name = name

    def name(self):

        return self._name

    def results_url(self):

        return "http://example.com/builders/%s/results/" % self.name()

    def force_build(self, username, comments):

        log("MOCK: force_build: name=%s, username=%s, comments=%s" % (

            self._name, username, comments))

class MockBuildBot(object):

    def __init__(self):

        self._mock_builder1_status = {

            "name": "Builder1",

            "is_green": True,

            "activity": "building",

        }

        self._mock_builder2_status = {

            "name": "Builder2",

            "is_green": True,

            "activity": "idle",

        }

    def builder_with_name(self, name):

        return MockBuilder(name)

    def builder_statuses(self):

        return [

            self._mock_builder1_status,

            self._mock_builder2_status,

        ]

    def red_core_builders_names(self):

        if not self._mock_builder2_status["is_green"]:

            return [self._mock_builder2_status["name"]]

        return []

    def red_core_builders(self):

        if not self._mock_builder2_status["is_green"]:

            return [self._mock_builder2_status]

        return []

    def idle_red_core_builders(self):

        if not self._mock_builder2_status["is_green"]:

            return [self._mock_builder2_status]

        return []

    def last_green_revision(self):

        return 9479

    def light_tree_on_fire(self):

        self._mock_builder2_status["is_green"] = False

    def revisions_causing_failures(self):

        return {

            "29837": [self.builder_with_name("Builder1")],

        }

class MockSCM(Mock):

    fake_checkout_root = os.path.realpath("/tmp") # realpath is needed to allow for Mac OS X's /private/tmp

    def __init__(self):

        Mock.__init__(self)

        # FIXME: We should probably use real checkout-root detection logic here.

        # os.getcwd() can't work here because other parts of the code assume that "checkout_root"

        # will actually be the root.  Since getcwd() is wrong, use a globally fake root for now.

        self.checkout_root = self.fake_checkout_root

    def create_patch(self, git_commit):

        return "Patch1"

    def commit_ids_from_commitish_arguments(self, args):

        return ["Commitish1", "Commitish2"]

    def commit_message_for_local_commit(self, commit_id):

        if commit_id == "Commitish1":

            return CommitMessage("CommitMessage1\n" \

                "https://bugs.example.org/show_bug.cgi?id=42\n")

        if commit_id == "Commitish2":

            return CommitMessage("CommitMessage2\n" \

                "https://bugs.example.org/show_bug.cgi?id=75\n")

        raise Exception("Bogus commit_id in commit_message_for_local_commit.")

    def diff_for_revision(self, revision):

        return "DiffForRevision%s\n" \

               "http://bugs.webkit.org/show_bug.cgi?id=12345" % revision

    def svn_revision_from_commit_text(self, commit_text):

        return "49824"

class MockCheckout(object):

    _committer_list = CommitterList()

    def commit_info_for_revision(self, svn_revision):

        return CommitInfo(svn_revision, "eric@webkit.org", {

            "bug_id": 42,

            "author_name": "Adam Barth",

            "author_email": "abarth@webkit.org",

            "author": self._committer_list.committer_by_email("abarth@webkit.org"),

            "reviewer_text": "Darin Adler",

            "reviewer": self._committer_list.committer_by_name("Darin Adler"),

        })

    def bug_id_for_revision(self, svn_revision):

        return 12345

    def modified_changelogs(self, git_commit):

        # Ideally we'd return something more interesting here.  The problem is

        # that LandDiff will try to actually read the patch from disk!

        return []

    def commit_message_for_this_commit(self, git_commit):

        commit_message = Mock()

        commit_message.message = lambda:"This is a fake commit message that is at least 50 characters."

        return commit_message

    def apply_patch(self, patch, force=False):

        pass

    def apply_reverse_diff(self, revision):

        pass

class MockUser(object):

    @staticmethod

    def prompt(message, repeat=1, raw_input=raw_input):

        return "Mock user response"

    def edit(self, files):

        pass

    def edit_changelog(self, files):

        pass

    def page(self, message):

        pass

    def confirm(self, message=None):

        return True

    def can_open_url(self):

        return True

    def open_url(self, url):

        if url.startswith("file://"):

            log("MOCK: user.open_url: file://...")

            return

        log("MOCK: user.open_url: %s" % url)

class MockIRC(object):

    def post(self, message):

        log("MOCK: irc.post: %s" % message)

    def disconnect(self):

        log("MOCK: irc.disconnect")

class MockStatusServer(object):

    def __init__(self):

        self.host = "example.com"

    def patch_status(self, queue_name, patch_id):

        return None

    def svn_revision(self, svn_revision):

        return None

    def update_work_items(self, queue_name, work_items):

        log("MOCK: update_work_items: %s %s" % (queue_name, work_items))

    def update_status(self, queue_name, status, patch=None, results_file=None):

        log("MOCK: update_status: %s %s" % (queue_name, status))

        return 187

    def update_svn_revision(self, svn_revision, broken_bot):

        return 191

    def results_url_for_status(self, status_id):

        return "http://dummy_url"

class MockExecute(Mock):

    def __init__(self, should_log):

        self._should_log = should_log

    def run_and_throw_if_fail(self, args, quiet=False):

        if self._should_log:

            log("MOCK run_and_throw_if_fail: %s" % args)