Adds Label#persisted? method

Cássio Marques committed Jan 08, 2014

commit 71333c247ef524621b68f97019509fad6baef4ae

Showing 2 changed files with 24 additions and 1 deletions

zebra/epl/label.rb b/lib/zebra/epl/label.rb +6 -1

@@	@@ -7,7 +7,7 @@ module Zebra
	class InvalidPrintDensityError < StandardError; end
	class PrintSpeedNotInformedError < StandardError; end

-	attr_reader :elements
+	attr_reader :elements, :tempfile
	attr_accessor :width, :length, :gap, :print_speed, :print_density

	def initialize(options = {})
@@	@@ -63,9 +63,14 @@ module Zebra
	tempfile = Tempfile.new "zebra_label"
	dump_contents tempfile
	tempfile.rewind
+	@tempfile = tempfile
	tempfile
	end

+	def persisted?
+	!!self.tempfile
+	end
+
	private

	def check_required_configurations

spec/zebra/epl/label_spec.rb +18 -0

@@	@@ -111,5 +111,23 @@ describe Zebra::Epl::Label do
	tempfile.should_receive(:rewind)
	label.persist
	end
+
+	it "sets the `tempfile` attribute" do
+	label.persist
+	label.tempfile.should == tempfile
+	end
+	end
+
+	describe "#persisted?" do
+	it "returns false if the `tempfile` attribute is nil" do
+	label = described_class.new :print_speed => 2
+	label.should_not be_persisted
+	end
+
+	it "returns true if the `tempfile` attribute is not nil" do
+	label = described_class.new :print_speed => 2
+	label.instance_variable_set(:@tempfile, stub)
+	label.should be_persisted
+	end
	end
	end