Specs for Poll adapter

Author: bkeepers

spec/flipper/adapters/poll_spec.rb

@@ -0,0 +1,66 @@
+require 'flipper/adapters/poll'
+require 'flipper/adapters/operation_logger'
+require 'active_support/notifications'
+
+RSpec.describe Flipper::Adapters::Poll do
+  let(:remote_adapter) do
+    Flipper::Adapters::OperationLogger.new Flipper::Adapters::Memory.new
+  end
+  let(:local_adapter) do
+    Flipper::Adapters::OperationLogger.new Flipper::Adapters::Memory.new
+  end
+  let(:local) { Flipper.new(local_adapter) }
+  let(:remote) { Flipper.new(remote_adapter) }
+  let(:poll) { Flipper.new(subject) }
+
+  subject do
+    described_class.new(local_adapter, remote_adapter, key: 'test', start_automatically: false)
+  end
+
+  it_should_behave_like 'a flipper adapter'
+
+  it 'syncs features when poller has been synced' do
+    remote.enable(:search)
+
+    subject.poller.sync # sync poller from remote
+
+    expect(subject.poller.adapter).to receive(:get_all).and_call_original
+    expect(poll[:search].boolean_value).to be(true)
+    expect(subject.features.sort).to eq(%w(search))
+  end
+
+  it 'writes to both local and remote' do
+    poll.enable(:search)
+
+    expect(local[:search].boolean_value).to be(true)
+    expect(remote[:search].boolean_value).to be(true)
+  end
+
+  it 'does not sync features with poller has not been synced' do
+    # Perform initial sync
+    subject.poller.sync
+    subject.features
+
+    # Remote feature enabled, but poller has not synced yet
+    remote.enable(:search)
+    expect(subject.poller.adapter).to_not receive(:get_all)
+
+    expect(subject.features.sort).to eq(%w())
+  end
+
+  describe '#sync' do
+    it "performs initial sync and then does not sync during block" do
+      remote.enable(:search)
+      subject.poller.sync # Sync poller
+
+      subject.sync do
+        expect(poll[:search].boolean_value).to be(true)
+
+        remote.enable(:stats)
+        subject.poller.sync # Sync poller
+
+        expect(poll[:stats].boolean_value).to be(false)
+      end
+    end
+  end
+end