1 files changed, 87 insertions, 0 deletions
diff --git a/spec/workers/projects/record_target_platforms_worker_spec.rb b/spec/workers/projects/record_target_platforms_worker_spec.rb
new file mode 100644
index 00000000000..eb53e3f8608
--- /dev/null
+++ b/spec/workers/projects/record_target_platforms_worker_spec.rb
@@ -0,0 +1,87 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Projects::RecordTargetPlatformsWorker do
+  include ExclusiveLeaseHelpers
+
+  let_it_be(:swift) { create(:programming_language, name: 'Swift') }
+  let_it_be(:objective_c) { create(:programming_language, name: 'Objective-C') }
+  let_it_be(:project) { create(:project, :repository, detected_repository_languages: true) }
+
+  let(:worker) { described_class.new }
+  let(:service_result) { %w(ios osx watchos) }
+  let(:service_double) { instance_double(Projects::RecordTargetPlatformsService, execute: service_result) }
+  let(:lease_key) { "#{described_class.name.underscore}:#{project.id}" }
+  let(:lease_timeout) { described_class::LEASE_TIMEOUT }
+
+  subject(:perform) { worker.perform(project.id) }
+
+  before do
+    stub_exclusive_lease(lease_key, timeout: lease_timeout)
+  end
+
+  shared_examples 'performs detection' do
+    it 'creates and executes a Projects::RecordTargetPlatformService instance for the project', :aggregate_failures do
+      expect(Projects::RecordTargetPlatformsService).to receive(:new).with(project) { service_double }
+      expect(service_double).to receive(:execute)
+
+      perform
+    end
+
+    it 'logs extra metadata on done', :aggregate_failures do
+      expect(Projects::RecordTargetPlatformsService).to receive(:new).with(project) { service_double }
+      expect(worker).to receive(:log_extra_metadata_on_done).with(:target_platforms, service_result)
+
+      perform
+    end
+  end
+
+  shared_examples 'does nothing' do
+    it 'does nothing' do
+      expect(Projects::RecordTargetPlatformsService).not_to receive(:new)
+
+      perform
+    end
+  end
+
+  context 'when project uses Swift programming language' do
+    let!(:repository_language) { create(:repository_language, project: project, programming_language: swift) }
+
+    include_examples 'performs detection'
+  end
+
+  context 'when project uses Objective-C programming language' do
+    let!(:repository_language) { create(:repository_language, project: project, programming_language: objective_c) }
+
+    include_examples 'performs detection'
+  end
+
+  context 'when the project does not contain programming languages for Apple platforms' do
+    it_behaves_like 'does nothing'
+  end
+
+  context 'when project is not found' do
+    it 'does nothing' do
+      expect(Projects::RecordTargetPlatformsService).not_to receive(:new)
+
+      worker.perform(non_existing_record_id)
+    end
+  end
+
+  context 'when exclusive lease cannot be obtained' do
+    before do
+      stub_exclusive_lease_taken(lease_key)
+    end
+
+    it_behaves_like 'does nothing'
+  end
+
+  it 'has the `until_executed` deduplicate strategy' do
+    expect(described_class.get_deduplicate_strategy).to eq(:until_executed)
+  end
+
+  it 'overrides #lease_release? to return false' do
+    expect(worker.send(:lease_release?)).to eq false
+  end
+end