From befe13c8760cc95131d88e0fbcf9f9d7a1b0008f Mon Sep 17 00:00:00 2001
From: Cezary Baginski <cezary@chronomantic.net>
Date: Sat, 30 Apr 2016 16:37:21 +0200
Subject: [PATCH 1/3] remove unused spec code

---
 spec/lib/listen/listener_spec.rb | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/spec/lib/listen/listener_spec.rb b/spec/lib/listen/listener_spec.rb
index 6e6678ad..4467b7f0 100644
--- a/spec/lib/listen/listener_spec.rb
+++ b/spec/lib/listen/listener_spec.rb
@@ -307,17 +307,4 @@
       end
     end
   end
-
-  describe 'processing changes' do
-    before do
-      allow(backend).to receive(:start)
-    end
-  end
-
-  context 'when listener is stopped' do
-    before do
-      subject.stop
-      allow(silencer).to receive(:silenced?) { true }
-    end
-  end
 end

From 66d607945097ae6e4228e2db8f133124c34b4543 Mon Sep 17 00:00:00 2001
From: Cezary Baginski <cezary@chronomantic.net>
Date: Sat, 30 Apr 2016 16:37:08 +0200
Subject: [PATCH 2/3] allow stopping when not fully initialized

---
 lib/listen/listener.rb           |  4 ++--
 spec/lib/listen/listener_spec.rb | 40 ++++++++++++++++++++++++++++----
 2 files changed, 37 insertions(+), 7 deletions(-)

diff --git a/lib/listen/listener.rb b/lib/listen/listener.rb
index 86c6c5e8..6acf4a63 100644
--- a/lib/listen/listener.rb
+++ b/lib/listen/listener.rb
@@ -63,11 +63,11 @@ def initialize(*dirs, &block)
 
     state :initializing, to: :backend_started
 
-    state :backend_started, to: [:frontend_ready] do
+    state :backend_started, to: [:frontend_ready, :stopped] do
       backend.start
     end
 
-    state :frontend_ready, to: [:processing_events] do
+    state :frontend_ready, to: [:processing_events, :stopped] do
       processor.setup
     end
 
diff --git a/spec/lib/listen/listener_spec.rb b/spec/lib/listen/listener_spec.rb
index 4467b7f0..19c3543e 100644
--- a/spec/lib/listen/listener_spec.rb
+++ b/spec/lib/listen/listener_spec.rb
@@ -140,13 +140,43 @@
       allow(backend).to receive(:start)
       allow(processor).to receive(:setup)
       allow(processor).to receive(:resume)
-      subject.start
     end
 
-    it 'terminates' do
-      allow(backend).to receive(:stop)
-      allow(processor).to receive(:teardown)
-      subject.stop
+    context 'when fully started' do
+      before do
+        subject.start
+      end
+
+      it 'terminates' do
+        allow(backend).to receive(:stop)
+        allow(processor).to receive(:teardown)
+        subject.stop
+      end
+    end
+
+    context 'when frontend is ready' do
+      before do
+        subject.transition :backend_started
+        subject.transition :frontend_ready
+      end
+
+      it 'terminates' do
+        allow(backend).to receive(:stop)
+        allow(processor).to receive(:teardown)
+        subject.stop
+      end
+    end
+
+    context 'when only backend is already started' do
+      before do
+        subject.transition :backend_started
+      end
+
+      it 'terminates' do
+        allow(backend).to receive(:stop)
+        allow(processor).to receive(:teardown)
+        subject.stop
+      end
     end
   end
 

From 9b2d077ab369fe381ab2ad7d6e6d24be3041f4e5 Mon Sep 17 00:00:00 2001
From: Cezary Baginski <cezary@chronomantic.net>
Date: Sat, 30 Apr 2016 16:41:58 +0200
Subject: [PATCH 3/3] add TODO

---
 lib/listen/listener.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/listen/listener.rb b/lib/listen/listener.rb
index 6acf4a63..f4688131 100644
--- a/lib/listen/listener.rb
+++ b/lib/listen/listener.rb
@@ -19,6 +19,7 @@
 
 module Listen
   class Listener
+    # TODO: move the state machine's methods private
     include Listen::FSM
 
     # Initializes the directories listener.