more specs on linux listener

lib/guard/listeners/linux.rb

@@ -10,6 +10,16 @@ module Guard
       @latency = 0.5
     end
 
+    def start
+      @stop = false
+      watch_change unless watch_change?
+    end
+
+    def stop
+      @stop = true
+      sleep latency
+    end
+
     def on_change(&callback)
       @callback = callback
       inotify.watch(Dir.pwd, :recursive, :modify, :create, :delete, :move) do |event|
@@ -20,16 +30,6 @@ module Guard
     rescue Interrupt
     end
 
-    def start
-      @stop = false
-      watch_change unless @watch_change
-    end
-
-    def stop
-      @stop = true
-      sleep latency
-    end
-
     def self.usable?
       require 'rb-inotify'
       if !defined?(INotify::VERSION) || Gem::Version.new(INotify::VERSION.join('.')) < Gem::Version.new('0.5.1')
@@ -43,6 +43,10 @@ module Guard
       false
     end
 
+    def watch_change?
+      !!@watch_change
+    end
+
   private
 
     def watch_change

spec/guard/listeners/linux_spec.rb

@@ -1,4 +1,5 @@
 require 'spec_helper'
+require 'fileutils'
 require 'guard/listeners/linux'
 
 describe Guard::Linux do
@@ -20,16 +21,21 @@ describe Guard::Linux do
         @listener = Guard::Linux.new
       end
       
-      it "call watch_change" do
+      it "should call watch_change if first start" do
         @listener.should_receive(:watch_change)
         start
       end
 
-      it "don't call watch_change if re start after stop" do
+      it "should not call watch_change if start after stop" do
+        @listener.stub!(:stop)
         start
         stop
+        @listener.should be_watch_change
         @listener.should_not_receive(:watch_change)
         start
+        @listener.unstub!(:stop)
+        stop
+        @listener.should_not be_watch_change
       end
 
     end
@@ -73,6 +79,28 @@ describe Guard::Linux do
         stop
         @results.should == ['spec/fixtures/folder1/file1.txt', 'spec/fixtures/folder1/folder2/file2.txt']
       end
+      
+      it "should catch deleted file" do
+        file = @fixture_path.join("folder1/file1.txt")
+        File.exists?(file).should be_true
+        start
+        File.delete file
+        stop
+        FileUtils.touch file
+        @results.should == ['spec/fixtures/folder1/file1.txt']
+      end
+      
+      it "should catch moved file" do
+        file1 = @fixture_path.join("folder1/file1.txt")
+        file2 = @fixture_path.join("folder1/movedfile1.txt")
+        File.exists?(file1).should be_true
+        File.exists?(file2).should be_false
+        start
+        FileUtils.mv file1, file2
+        stop
+        FileUtils.mv file2, file1
+        @results.should == ['spec/fixtures/folder1/file1.txt', 'spec/fixtures/folder1/movedfile1.txt']
+      end
 
       it "should not process change if stopped" do
         file = @fixture_path.join("folder1/file1.txt")