Fix specs. Rename migration file name which was conflicted with background migration's.

db/post_migrate/20180529152628_archive_legacy_traces.rb → db/post_migrate/20180529152628_schedule_to_archive_legacy_traces.rb

-class ArchiveLegacyTraces < ActiveRecord::Migration
+class ScheduleToArchiveLegacyTraces < ActiveRecord::Migration
   include Gitlab::Database::MigrationHelpers
 
   DOWNTIME = false
@@ -21,7 +21,7 @@ class ArchiveLegacyTraces < ActiveRecord::Migration
 
   def up
     queue_background_migration_jobs_by_range_at_intervals(
-      ::ArchiveLegacyTraces::Build.finished.without_archived_trace,
+      ::ScheduleToArchiveLegacyTraces::Build.finished.without_archived_trace,
       BACKGROUND_MIGRATION_CLASS,
       5.minutes,
       batch_size: BATCH_SIZE)

spec/lib/gitlab/background_migration/archive_legacy_traces_spec.rb

 require 'spec_helper'
 
 describe Gitlab::BackgroundMigration::ArchiveLegacyTraces, :migration, schema: 20180529152628 do
+  include TraceHelpers
+
   let(:namespaces) { table(:namespaces) }
   let(:projects) { table(:projects) }
   let(:builds) { table(:ci_builds) }
@@ -9,52 +11,31 @@ describe Gitlab::BackgroundMigration::ArchiveLegacyTraces, :migration, schema: 2
   before do
     namespaces.create!(id: 123, name: 'gitlab1', path: 'gitlab1')
     projects.create!(id: 123, name: 'gitlab1', path: 'gitlab1', namespace_id: 123)
-    build = builds.create!(id: 1, project_id: 123, status: 'success')
-
-    @legacy_trace_dir = File.join(Settings.gitlab_ci.builds_path,
-      build.created_at.utc.strftime("%Y_%m"),
-      build.project_id.to_s)
-
-    FileUtils.mkdir_p(@legacy_trace_dir)
-
-    @legacy_trace_path = File.join(@legacy_trace_dir, "#{build.id}.log")
+    @build = builds.create!(id: 1, project_id: 123, status: 'success', type: 'Ci::Build')
   end
 
   context 'when trace file exsits at the right place' do
     before do
-      File.open(@legacy_trace_path, 'wb') { |stream| stream.write('aiueo') }
+      create_legacy_trace(@build, 'aiueo')
     end
 
     it 'correctly archive legacy traces' do
       expect(job_artifacts.count).to eq(0)
-      expect(File.exist?(@legacy_trace_path)).to be_truthy
+      expect(File.exist?(legacy_trace_path(@build))).to be_truthy
 
       described_class.new.perform(1, 1)
 
       expect(job_artifacts.count).to eq(1)
-      expect(File.exist?(@legacy_trace_path)).to be_falsy
-      expect(File.read(new_trace_path)).to eq('aiueo')
+      expect(File.exist?(legacy_trace_path(@build))).to be_falsy
+      expect(File.read(archived_trace_path(job_artifacts.first))).to eq('aiueo')
     end
   end
 
   context 'when trace file does not exsits at the right place' do
-    it 'correctly archive legacy traces' do
-      expect(job_artifacts.count).to eq(0)
-      expect(File.exist?(@legacy_trace_path)).to be_falsy
-
+    it 'does not raise errors and create job artifact row' do
       described_class.new.perform(1, 1)
 
       expect(job_artifacts.count).to eq(0)
     end
   end
-
-  def new_trace_path
-    job_artifact = job_artifacts.first
-
-    disk_hash = Digest::SHA2.hexdigest(job_artifact.project_id.to_s)
-    creation_date = job_artifact.created_at.utc.strftime('%Y_%m_%d')
-
-    File.join(Gitlab.config.artifacts.path, disk_hash[0..1], disk_hash[2..3], disk_hash,
-      creation_date, job_artifact.job_id.to_s, job_artifact.id.to_s, 'job.log')
-  end
 end

spec/migrations/archive_legacy_traces_spec.rb

-require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20180529152628_archive_legacy_traces')
-
-describe ArchiveLegacyTraces, :migration do
-  let(:namespaces) { table(:namespaces) }
-  let(:projects) { table(:projects) }
-  let(:builds) { table(:ci_builds) }
-  let(:job_artifacts) { table(:ci_job_artifacts) }
-
-  before do
-    namespaces.create!(id: 123, name: 'gitlab1', path: 'gitlab1')
-    projects.create!(id: 123, name: 'gitlab1', path: 'gitlab1', namespace_id: 123)
-    build = builds.create!(id: 1)
-
-    @legacy_trace_path = File.join(
-      Settings.gitlab_ci.builds_path,
-      build.created_at.utc.strftime("%Y_%m"),
-      build.project_id.to_s,
-      "#{job.id}.log"
-    )
-
-    File.open(@legacy_trace_path, 'wb') { |stream| stream.write('aiueo') }
-  end
-
-  it 'correctly archive legacy traces' do
-    expect(job_artifacts.count).to eq(0)
-    expect(File.exist?(@legacy_trace_path)).to be_truthy
-
-    migrate!
-
-    expect(job_artifacts.count).to eq(1)
-    expect(File.exist?(@legacy_trace_path)).to be_falsy
-    expect(File.exist?(new_trace_path)).to be_truthy
-  end
-
-  def new_trace_path
-    job_artifact = job_artifacts.first
-
-    disk_hash = Digest::SHA2.hexdigest(job_artifact.project_id.to_s)
-    creation_date = job_artifact.created_at.utc.strftime('%Y_%m_%d')
-
-    File.join(disk_hash[0..1], disk_hash[2..3], disk_hash,
-      creation_date, job_artifact.job_id.to_s, job_artifact.id.to_s)
-  end
-end

spec/migrations/schedule_to_archive_legacy_traces_spec.rb

+require 'spec_helper'
+require Rails.root.join('db', 'post_migrate', '20180529152628_schedule_to_archive_legacy_traces')
+
+describe ScheduleToArchiveLegacyTraces, :migration do
+  include TraceHelpers
+
+  let(:namespaces) { table(:namespaces) }
+  let(:projects) { table(:projects) }
+  let(:builds) { table(:ci_builds) }
+  let(:job_artifacts) { table(:ci_job_artifacts) }
+
+  before do
+    namespaces.create!(id: 123, name: 'gitlab1', path: 'gitlab1')
+    projects.create!(id: 123, name: 'gitlab1', path: 'gitlab1', namespace_id: 123)
+    @build_success = builds.create!(id: 1, project_id: 123, status: 'success', type: 'Ci::Build')
+    @build_failed = builds.create!(id: 2, project_id: 123, status: 'failed', type: 'Ci::Build')
+    @builds_canceled = builds.create!(id: 3, project_id: 123, status: 'canceled', type: 'Ci::Build')
+    @build_running = builds.create!(id: 4, project_id: 123, status: 'running', type: 'Ci::Build')
+
+    create_legacy_trace(@build_success, 'This job is done')
+    create_legacy_trace(@build_failed, 'This job is done')
+    create_legacy_trace(@builds_canceled, 'This job is done')
+    create_legacy_trace(@build_running, 'This job is not done yet')
+  end
+
+  it 'correctly archive legacy traces' do
+    expect(job_artifacts.count).to eq(0)
+    expect(File.exist?(legacy_trace_path(@build_success))).to be_truthy
+    expect(File.exist?(legacy_trace_path(@build_failed))).to be_truthy
+    expect(File.exist?(legacy_trace_path(@builds_canceled))).to be_truthy
+    expect(File.exist?(legacy_trace_path(@build_running))).to be_truthy
+
+    migrate!
+
+    expect(job_artifacts.count).to eq(3)
+    expect(File.exist?(legacy_trace_path(@build_success))).to be_falsy
+    expect(File.exist?(legacy_trace_path(@build_failed))).to be_falsy
+    expect(File.exist?(legacy_trace_path(@builds_canceled))).to be_falsy
+    expect(File.exist?(legacy_trace_path(@build_running))).to be_truthy
+    expect(File.exist?(archived_trace_path(job_artifacts.where(job_id: @build_success.id).first))).to be_truthy
+    expect(File.exist?(archived_trace_path(job_artifacts.where(job_id: @build_failed.id).first))).to be_truthy
+    expect(File.exist?(archived_trace_path(job_artifacts.where(job_id: @builds_canceled.id).first))).to be_truthy
+    expect(job_artifacts.where(job_id: @build_running.id)).not_to be_exist
+  end
+end

spec/support/trace/trace_helpers.rb

+module TraceHelpers
+  def create_legacy_trace(build, content)
+    File.open(legacy_trace_path(build), 'wb') { |stream| stream.write(content) }
+  end
+
+  def legacy_trace_path(build)
+    legacy_trace_dir = File.join(Settings.gitlab_ci.builds_path,
+      build.created_at.utc.strftime("%Y_%m"),
+      build.project_id.to_s)
+
+    FileUtils.mkdir_p(legacy_trace_dir)
+
+    File.join(legacy_trace_dir, "#{build.id}.log")
+  end
+
+  def archived_trace_path(job_artifact)
+    disk_hash = Digest::SHA2.hexdigest(job_artifact.project_id.to_s)
+    creation_date = job_artifact.created_at.utc.strftime('%Y_%m_%d')
+
+    File.join(Gitlab.config.artifacts.path, disk_hash[0..1], disk_hash[2..3], disk_hash,
+      creation_date, job_artifact.job_id.to_s, job_artifact.id.to_s, 'job.log')
+  end
+end