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-rw-r--r--spec/lib/gitlab/background_migration/migrate_events_to_push_event_payloads_spec.rb423
1 files changed, 0 insertions, 423 deletions
diff --git a/spec/lib/gitlab/background_migration/migrate_events_to_push_event_payloads_spec.rb b/spec/lib/gitlab/background_migration/migrate_events_to_push_event_payloads_spec.rb
deleted file mode 100644
index 87f45619e7a..00000000000
--- a/spec/lib/gitlab/background_migration/migrate_events_to_push_event_payloads_spec.rb
+++ /dev/null
@@ -1,423 +0,0 @@
-require 'spec_helper'
-
-describe Gitlab::BackgroundMigration::MigrateEventsToPushEventPayloads::Event do
- describe '#commit_title' do
- it 'returns nil when there are no commits' do
- expect(described_class.new.commit_title).to be_nil
- end
-
- it 'returns nil when there are commits without commit messages' do
- event = described_class.new
-
- allow(event).to receive(:commits).and_return([{ id: '123' }])
-
- expect(event.commit_title).to be_nil
- end
-
- it 'returns the commit message when it is less than 70 characters long' do
- event = described_class.new
-
- allow(event).to receive(:commits).and_return([{ message: 'Hello world' }])
-
- expect(event.commit_title).to eq('Hello world')
- end
-
- it 'returns the first line of a commit message if multiple lines are present' do
- event = described_class.new
-
- allow(event).to receive(:commits).and_return([{ message: "Hello\n\nworld" }])
-
- expect(event.commit_title).to eq('Hello')
- end
-
- it 'truncates the commit to 70 characters when it is too long' do
- event = described_class.new
-
- allow(event).to receive(:commits).and_return([{ message: 'a' * 100 }])
-
- expect(event.commit_title).to eq(('a' * 67) + '...')
- end
- end
-
- describe '#commit_from_sha' do
- it 'returns nil when pushing to a new ref' do
- event = described_class.new
-
- allow(event).to receive(:create?).and_return(true)
-
- expect(event.commit_from_sha).to be_nil
- end
-
- it 'returns the ID of the first commit when pushing to an existing ref' do
- event = described_class.new
-
- allow(event).to receive(:create?).and_return(false)
- allow(event).to receive(:data).and_return(before: '123')
-
- expect(event.commit_from_sha).to eq('123')
- end
- end
-
- describe '#commit_to_sha' do
- it 'returns nil when removing an existing ref' do
- event = described_class.new
-
- allow(event).to receive(:remove?).and_return(true)
-
- expect(event.commit_to_sha).to be_nil
- end
-
- it 'returns the ID of the last commit when pushing to an existing ref' do
- event = described_class.new
-
- allow(event).to receive(:remove?).and_return(false)
- allow(event).to receive(:data).and_return(after: '123')
-
- expect(event.commit_to_sha).to eq('123')
- end
- end
-
- describe '#data' do
- it 'returns the deserialized data' do
- event = described_class.new(data: { before: '123' })
-
- expect(event.data).to eq(before: '123')
- end
-
- it 'returns an empty hash when no data is present' do
- event = described_class.new
-
- expect(event.data).to eq({})
- end
- end
-
- describe '#commits' do
- it 'returns an Array of commits' do
- event = described_class.new(data: { commits: [{ id: '123' }] })
-
- expect(event.commits).to eq([{ id: '123' }])
- end
-
- it 'returns an empty array when no data is present' do
- event = described_class.new
-
- expect(event.commits).to eq([])
- end
- end
-
- describe '#commit_count' do
- it 'returns the number of commits' do
- event = described_class.new(data: { total_commits_count: 2 })
-
- expect(event.commit_count).to eq(2)
- end
-
- it 'returns 0 when no data is present' do
- event = described_class.new
-
- expect(event.commit_count).to eq(0)
- end
- end
-
- describe '#ref' do
- it 'returns the name of the ref' do
- event = described_class.new(data: { ref: 'refs/heads/master' })
-
- expect(event.ref).to eq('refs/heads/master')
- end
- end
-
- describe '#trimmed_ref_name' do
- it 'returns the trimmed ref name for a branch' do
- event = described_class.new(data: { ref: 'refs/heads/master' })
-
- expect(event.trimmed_ref_name).to eq('master')
- end
-
- it 'returns the trimmed ref name for a tag' do
- event = described_class.new(data: { ref: 'refs/tags/v1.2' })
-
- expect(event.trimmed_ref_name).to eq('v1.2')
- end
- end
-
- describe '#create?' do
- it 'returns true when creating a new ref' do
- event = described_class.new(data: { before: described_class::BLANK_REF })
-
- expect(event.create?).to eq(true)
- end
-
- it 'returns false when pushing to an existing ref' do
- event = described_class.new(data: { before: '123' })
-
- expect(event.create?).to eq(false)
- end
- end
-
- describe '#remove?' do
- it 'returns true when removing an existing ref' do
- event = described_class.new(data: { after: described_class::BLANK_REF })
-
- expect(event.remove?).to eq(true)
- end
-
- it 'returns false when pushing to an existing ref' do
- event = described_class.new(data: { after: '123' })
-
- expect(event.remove?).to eq(false)
- end
- end
-
- describe '#push_action' do
- let(:event) { described_class.new }
-
- it 'returns :created when creating a new ref' do
- allow(event).to receive(:create?).and_return(true)
-
- expect(event.push_action).to eq(:created)
- end
-
- it 'returns :removed when removing an existing ref' do
- allow(event).to receive(:create?).and_return(false)
- allow(event).to receive(:remove?).and_return(true)
-
- expect(event.push_action).to eq(:removed)
- end
-
- it 'returns :pushed when pushing to an existing ref' do
- allow(event).to receive(:create?).and_return(false)
- allow(event).to receive(:remove?).and_return(false)
-
- expect(event.push_action).to eq(:pushed)
- end
- end
-
- describe '#ref_type' do
- let(:event) { described_class.new }
-
- it 'returns :tag for a tag' do
- allow(event).to receive(:ref).and_return('refs/tags/1.2')
-
- expect(event.ref_type).to eq(:tag)
- end
-
- it 'returns :branch for a branch' do
- allow(event).to receive(:ref).and_return('refs/heads/1.2')
-
- expect(event.ref_type).to eq(:branch)
- end
- end
-end
-
-describe Gitlab::BackgroundMigration::MigrateEventsToPushEventPayloads do
- let(:migration) { described_class.new }
- let(:project) { create(:project_empty_repo) }
- let(:author) { create(:user) }
-
- # We can not rely on FactoryGirl as the state of Event may change in ways that
- # the background migration does not expect, hence we use the Event class of
- # the migration itself.
- def create_push_event(project, author, data = nil)
- klass = Gitlab::BackgroundMigration::MigrateEventsToPushEventPayloads::Event
-
- klass.create!(
- action: klass::PUSHED,
- project_id: project.id,
- author_id: author.id,
- data: data
- )
- end
-
- # The background migration relies on a temporary table, hence we're migrating
- # to a specific version of the database where said table is still present.
- before :all do
- ActiveRecord::Migration.verbose = false
-
- ActiveRecord::Migrator
- .migrate(ActiveRecord::Migrator.migrations_paths, 20170608152748)
- end
-
- after :all do
- ActiveRecord::Migrator.migrate(ActiveRecord::Migrator.migrations_paths)
-
- ActiveRecord::Migration.verbose = true
- end
-
- describe '#perform' do
- it 'returns if data should not be migrated' do
- allow(migration).to receive(:migrate?).and_return(false)
-
- expect(migration).not_to receive(:find_events)
-
- migration.perform(1, 10)
- end
-
- it 'migrates the range of events if data is to be migrated' do
- event1 = create_push_event(project, author, { commits: [] })
- event2 = create_push_event(project, author, { commits: [] })
-
- allow(migration).to receive(:migrate?).and_return(true)
-
- expect(migration).to receive(:process_event).twice
-
- migration.perform(event1.id, event2.id)
- end
- end
-
- describe '#process_event' do
- it 'processes a regular event' do
- event = double(:event, push_event?: false)
-
- expect(migration).to receive(:replicate_event)
- expect(migration).not_to receive(:create_push_event_payload)
-
- migration.process_event(event)
- end
-
- it 'processes a push event' do
- event = double(:event, push_event?: true)
-
- expect(migration).to receive(:replicate_event)
- expect(migration).to receive(:create_push_event_payload)
-
- migration.process_event(event)
- end
- end
-
- describe '#replicate_event' do
- it 'replicates the event to the "events_for_migration" table' do
- event = create_push_event(
- project,
- author,
- data: { commits: [] },
- title: 'bla'
- )
-
- attributes = event
- .attributes.with_indifferent_access.except(:title, :data)
-
- expect(described_class::EventForMigration)
- .to receive(:create!)
- .with(attributes)
-
- migration.replicate_event(event)
- end
- end
-
- describe '#create_push_event_payload' do
- let(:push_data) do
- {
- commits: [],
- ref: 'refs/heads/master',
- before: '156e0e9adc587a383a7eeb5b21ddecb9044768a8',
- after: '0' * 40,
- total_commits_count: 1
- }
- end
-
- let(:event) do
- create_push_event(project, author, push_data)
- end
-
- before do
- # The foreign key in push_event_payloads at this point points to the
- # "events_for_migration" table so we need to make sure a row exists in
- # said table.
- migration.replicate_event(event)
- end
-
- it 'creates a push event payload for an event' do
- payload = migration.create_push_event_payload(event)
-
- expect(PushEventPayload.count).to eq(1)
- expect(payload.valid?).to eq(true)
- end
-
- it 'does not create push event payloads for removed events' do
- allow(event).to receive(:id).and_return(-1)
-
- payload = migration.create_push_event_payload(event)
-
- expect(payload).to be_nil
- expect(PushEventPayload.count).to eq(0)
- end
-
- it 'encodes and decodes the commit IDs from and to binary data' do
- payload = migration.create_push_event_payload(event)
- packed = migration.pack(push_data[:before])
-
- expect(payload.commit_from).to eq(packed)
- expect(payload.commit_to).to be_nil
- end
- end
-
- describe '#find_events' do
- it 'returns the events for the given ID range' do
- event1 = create_push_event(project, author, { commits: [] })
- event2 = create_push_event(project, author, { commits: [] })
- event3 = create_push_event(project, author, { commits: [] })
- events = migration.find_events(event1.id, event2.id)
-
- expect(events.length).to eq(2)
- expect(events.pluck(:id)).not_to include(event3.id)
- end
- end
-
- describe '#migrate?' do
- it 'returns true when data should be migrated' do
- allow(described_class::Event)
- .to receive(:table_exists?).and_return(true)
-
- allow(described_class::PushEventPayload)
- .to receive(:table_exists?).and_return(true)
-
- allow(described_class::EventForMigration)
- .to receive(:table_exists?).and_return(true)
-
- expect(migration.migrate?).to eq(true)
- end
-
- it 'returns false if the "events" table does not exist' do
- allow(described_class::Event)
- .to receive(:table_exists?).and_return(false)
-
- expect(migration.migrate?).to eq(false)
- end
-
- it 'returns false if the "push_event_payloads" table does not exist' do
- allow(described_class::Event)
- .to receive(:table_exists?).and_return(true)
-
- allow(described_class::PushEventPayload)
- .to receive(:table_exists?).and_return(false)
-
- expect(migration.migrate?).to eq(false)
- end
-
- it 'returns false when the "events_for_migration" table does not exist' do
- allow(described_class::Event)
- .to receive(:table_exists?).and_return(true)
-
- allow(described_class::PushEventPayload)
- .to receive(:table_exists?).and_return(true)
-
- allow(described_class::EventForMigration)
- .to receive(:table_exists?).and_return(false)
-
- expect(migration.migrate?).to eq(false)
- end
- end
-
- describe '#pack' do
- it 'packs a SHA1 into a 20 byte binary string' do
- packed = migration.pack('156e0e9adc587a383a7eeb5b21ddecb9044768a8')
-
- expect(packed.bytesize).to eq(20)
- end
-
- it 'returns nil if the input value is nil' do
- expect(migration.pack(nil)).to be_nil
- end
- end
-end