add error message when file does not exist.

lib/consular/cli.rb

@@ -31,7 +31,8 @@ def self.source_root; File.expand_path('../../', __FILE__); end
     desc 'start [PROJECT]', 'runs the consular script. ex: `consular start` or `consular start foobar`'
     method_option :root, :type => :string, :default => '.', :aliases => '-r'
     def start(project = nil)
-      valid_core.new(termfile_path(project)).process!
+      path = termfile_path(project)
+      message_unless_file(path) { valid_core.new(path).process! }
     end
 
     # Run the Termfile or project script setup.
@@ -55,7 +56,8 @@ def start(project = nil)
     desc 'setup [PROJECT]', 'run the consular script setup. ex: `consular setup` or `consular setup foobar`'
     method_option :root, :type => :string, :default => '.', :aliases => '-r'
     def setup(project = nil)
-      valid_core.new(termfile_path(project)).setup!
+      path = termfile_path(project)
+      message_unless_file(path) { valid_core.new(path).setup! }
     end
 
     # Lists all avaiable global scripts
@@ -133,7 +135,7 @@ def edit(project = nil)
     method_option :root, :type => :string, :default => '.', :aliases => '-r'
     def delete(project = nil)
       path = termfile_path(project)
-      remove_file path
+      message_unless_file(path) { remove_file path }
     end
 
     no_tasks do
@@ -195,6 +197,23 @@ def open_in_editor(path, editor = nil)
         editor = editor || Consular.default_editor || ENV['EDITOR']
         system "#{editor || 'open'} #{path}"
       end
+
+      # Returns an error message unless the file exists. If it does
+      # execute the block
+      #
+      # @param [String] file
+      #   Path of file
+      # @param [Proc] blk
+      #   Proc to execute if file exists.
+      #
+      # @api private
+      def message_unless_file(file, &blk)
+        if File.exists?(file)
+          blk.call
+        else
+          say "#{file} does not exist. Try running `consular edit` first.", :yellow
+        end
+      end
     end
 
   end

spec/cli_spec.rb

@@ -59,15 +59,18 @@ def setup!;   puts('setup');   end
 
     it "should start a global term script" do
       output = capture_io { Consular::CLI.start ['start', 'foo']  }.join('')
-
       assert_match /process/, output
     end
 
     it "should start a global yaml script" do
       output = capture_io { Consular::CLI.start ['start', 'foo.yml']  }.join('')
-
       assert_match /process/, output
     end
+
+    it "should return an error message if it doesn't exist" do
+      output = capture_io { Consular::CLI.start ['start', 'barr']  }.join('')
+      assert_match /does not exist/, output
+    end
   end
 
   describe "setup command" do
@@ -93,6 +96,11 @@ def setup!;   puts('setup');   end
       output = capture_io { Consular::CLI.start ['setup', 'foo.yml']  }.join('')
       assert_match /setup/, output
     end
+
+    it "should return an error message if it doesn't exist" do
+      output = capture_io { Consular::CLI.start ['setup', 'barr']  }.join('')
+      assert_match /does not exist/, output
+    end
   end
 
   it "init creates a new global script directory and consularc" do
@@ -126,6 +134,12 @@ def setup!;   puts('setup');   end
       refute File.exists?(Consular.global_path('delete_this.term')), 'deletes .term file'
     end
 
+    it "removes .term file" do
+      output = capture_io { Consular::CLI.start ['delete','barr'] }.join('')
+
+      assert_match /does not exist/, output
+    end
+
   end
 
   describe "edit command" do