debian-mirror-gitlab/spec/services/git/wiki_push_service_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
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RSpec.describe Git::WikiPushService, services: true do
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include RepoHelpers
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let_it_be(:current_user) { create(:user) }
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let_it_be(:key_id) { create(:key, user: current_user).shell_id }
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let(:wiki) { create(:project_wiki, user: current_user) }
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let(:default_branch) { wiki.default_branch }
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let(:repository) { wiki.repository }
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before do
repository.create_if_not_exists(default_branch)
end
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describe '#execute' do
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it 'executes model-specific callbacks' do
expect(wiki).to receive(:after_post_receive)
create_service(current_sha).execute
end
end
describe '#process_changes' do
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context 'the push contains more than the permitted number of changes' do
def run_service
process_changes { described_class::MAX_CHANGES.succ.times { write_new_page } }
end
it 'creates only MAX_CHANGES events' do
expect { run_service }.to change(Event, :count).by(described_class::MAX_CHANGES)
end
end
context 'default_branch collides with a tag' do
it 'creates only one event' do
base_sha = current_sha
write_new_page
service = create_service(base_sha, ['refs/heads/master', 'refs/tags/master'])
expect { service.execute }.to change(Event, :count).by(1)
end
end
describe 'successfully creating events' do
let(:count) { Event::WIKI_ACTIONS.size }
def run_service
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wiki_page_a = create(:wiki_page, wiki: wiki)
wiki_page_b = create(:wiki_page, wiki: wiki)
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process_changes do
write_new_page
update_page(wiki_page_a.title)
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delete_page(wiki_page_b.page)
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end
end
it 'creates one event for every wiki action' do
expect { run_service }.to change(Event, :count).by(count)
end
it 'handles all known actions' do
run_service
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expect(Event.last(count).pluck(:action)).to match_array(Event::WIKI_ACTIONS.map(&:to_s))
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end
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context 'when wiki_page slug is not UTF-8 ' do
let(:binary_title) { Gitlab::EncodingHelper.encode_binary('编码') }
def run_service
wiki_page = create(:wiki_page, wiki: wiki, title: "#{binary_title} 'foo'")
process_changes do
# Test that new_path is converted to UTF-8
create(:wiki_page, wiki: wiki, title: binary_title)
# Test that old_path is also is converted to UTF-8
update_page(wiki_page.title, 'foo')
end
end
it 'does not raise an error' do
expect { run_service }.not_to raise_error
end
end
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end
context 'two pages have been created' do
def run_service
process_changes do
write_new_page
write_new_page
end
end
it 'creates two events' do
expect { run_service }.to change(Event, :count).by(2)
end
it 'creates two metadata records' do
expect { run_service }.to change(WikiPage::Meta, :count).by(2)
end
it 'creates appropriate events' do
run_service
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expect(Event.last(2)).to all(have_attributes(wiki_page?: true, action: 'created'))
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end
end
context 'a non-page file as been added' do
it 'does not create events, or WikiPage metadata' do
expect do
process_changes { write_non_page }
end.not_to change { [Event.count, WikiPage::Meta.count] }
end
end
context 'one page, and one non-page have been created' do
def run_service
process_changes do
write_new_page
write_non_page
end
end
it 'creates a wiki page creation event' do
expect { run_service }.to change(Event, :count).by(1)
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expect(Event.last).to have_attributes(wiki_page?: true, action: 'created')
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end
it 'creates one metadata record' do
expect { run_service }.to change(WikiPage::Meta, :count).by(1)
end
end
context 'one page has been added, and then updated' do
def run_service
process_changes do
title = write_new_page
update_page(title)
end
end
it 'creates just a single event' do
expect { run_service }.to change(Event, :count).by(1)
end
it 'creates just one metadata record' do
expect { run_service }.to change(WikiPage::Meta, :count).by(1)
end
it 'creates a new wiki page creation event' do
run_service
expect(Event.last).to have_attributes(
wiki_page?: true,
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action: 'created'
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)
end
end
context 'when a page we already know about has been updated' do
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let(:wiki_page) { create(:wiki_page, wiki: wiki) }
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before do
create(:wiki_page_meta, :for_wiki_page, wiki_page: wiki_page)
end
def run_service
process_changes { update_page(wiki_page.title) }
end
it 'does not create a new meta-data record' do
expect { run_service }.not_to change(WikiPage::Meta, :count)
end
it 'creates a new event' do
expect { run_service }.to change(Event, :count).by(1)
end
it 'adds an update event' do
run_service
expect(Event.last).to have_attributes(
wiki_page?: true,
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action: 'updated'
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)
end
end
context 'when a page we do not know about has been updated' do
def run_service
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wiki_page = create(:wiki_page, wiki: wiki)
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process_changes { update_page(wiki_page.title) }
end
it 'creates a new meta-data record' do
expect { run_service }.to change(WikiPage::Meta, :count).by(1)
end
it 'creates a new event' do
expect { run_service }.to change(Event, :count).by(1)
end
it 'adds an update event' do
run_service
expect(Event.last).to have_attributes(
wiki_page?: true,
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action: 'updated'
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)
end
end
context 'when a page we do not know about has been deleted' do
def run_service
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wiki_page = create(:wiki_page, wiki: wiki)
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process_changes { delete_page(wiki_page.page) }
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end
it 'create a new meta-data record' do
expect { run_service }.to change(WikiPage::Meta, :count).by(1)
end
it 'creates a new event' do
expect { run_service }.to change(Event, :count).by(1)
end
it 'adds an update event' do
run_service
expect(Event.last).to have_attributes(
wiki_page?: true,
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action: 'destroyed'
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)
end
end
it 'calls log_error for every event we cannot create' do
base_sha = current_sha
count = 3
count.times { write_new_page }
message = 'something went very very wrong'
allow_next_instance_of(WikiPages::EventCreateService, current_user) do |service|
allow(service).to receive(:execute)
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.with(String, WikiPage, Symbol, String)
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.and_return(ServiceResponse.error(message: message))
end
service = create_service(base_sha)
expect(service).to receive(:log_error).exactly(count).times.with(message)
service.execute
end
describe 'feature flags' do
shared_examples 'a no-op push' do
it 'does not create any events' do
expect { process_changes { write_new_page } }.not_to change(Event, :count)
end
it 'does not even look for events to process' do
base_sha = current_sha
write_new_page
service = create_service(base_sha)
expect(service).not_to receive(:changed_files)
service.execute
end
end
end
end
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describe '#perform_housekeeping', :clean_gitlab_redis_shared_state do
let(:housekeeping) { Repositories::HousekeepingService.new(wiki) }
subject { create_service(current_sha).execute }
before do
allow(Repositories::HousekeepingService).to receive(:new).and_return(housekeeping)
end
it 'does not perform housekeeping when not needed' do
expect(housekeeping).not_to receive(:execute)
subject
end
context 'when housekeeping is needed' do
before do
allow(housekeeping).to receive(:needed?).and_return(true)
end
it 'performs housekeeping' do
expect(housekeeping).to receive(:execute)
subject
end
it 'does not raise an exception' do
allow(housekeeping).to receive(:try_obtain_lease).and_return(false)
expect { subject }.not_to raise_error
end
end
it 'increments the push counter' do
expect(housekeeping).to receive(:increment!)
subject
end
end
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# In order to construct the correct GitPostReceive object that represents the
# changes we are applying, we need to describe the changes between old-ref and
# new-ref. Old ref (the base sha) we have to capture before we perform any
# changes. Once the changes have been applied, we can execute the service to
# process them.
def process_changes(&block)
base_sha = current_sha
yield
create_service(base_sha).execute
end
def create_service(base, refs = ['refs/heads/master'])
changes = post_received(base, refs).changes
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described_class.new(wiki, current_user, changes: changes)
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end
def post_received(base, refs)
change_str = refs.map { |ref| +"#{base} #{current_sha} #{ref}" }.join("\n")
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post_received = ::Gitlab::GitPostReceive.new(wiki.container, key_id, change_str, {})
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allow(post_received).to receive(:identify).with(key_id).and_return(current_user)
post_received
end
def current_sha
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repository.commit('master')&.id || Gitlab::Git::BLANK_SHA
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end
# It is important not to re-use the WikiPage services here, since they create
# events - these helper methods below are intended to simulate actions on the repo
# that have not gone through our services.
def write_new_page
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generate(:wiki_page_title).tap do |t|
repository.create_file(
current_user, ::Wiki.sluggified_full_path(t, 'md'), 'Hello',
**commit_details
)
end
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end
# We write something to the wiki-repo that is not a page - as, for example, an
# attachment. This will appear as a raw-diff change, but wiki.find_page will
# return nil.
def write_non_page
params = {
file_name: 'attachment.log',
file_content: 'some stuff',
branch_name: 'master'
}
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::Wikis::CreateAttachmentService.new(container: wiki.container, current_user: current_user, params: params).execute
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end
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def update_page(title, new_title = nil)
new_title = title unless new_title.present?
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old_path = ::Wiki.sluggified_full_path(title, 'md')
new_path = ::Wiki.sluggified_full_path(new_title, 'md')
repository.update_file(
current_user, new_path, 'Hey',
**commit_details.merge(previous_path: old_path)
)
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end
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def delete_page(page)
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repository.delete_file(current_user, page.path, **commit_details)
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end
def commit_details
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{
branch_name: default_branch,
message: "commit message",
author_email: current_user.email,
author_name: current_user.name
}
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end
end