Added span_text_matcher_spec.rb. [#4 state:resolved]

lib/matchers/span_text_matcher.rb

@@ -4,7 +4,7 @@ module Matchers
 			class SpanTextMatcher
 
 				def initialize target_id, expected_text
-					@xpath = "p span##{target_id}"
+					@target_id = target_id
 					@expected = expected_text
 				end
 
@@ -17,9 +17,13 @@ def failure_message
 					"\nWrong span text contents.\nexpected: #{@expected.inspect}\n   found: #{@actual.inspect}\n\n"
 				end
 
+				def negative_failure_message
+					"\nShould not have matched span: #{@target_id}, with text: '#{@expected}'\n\n"
+				end
+
 				def extract_html_content html
 					doc = Hpricot.XML(html)
-					elements = doc.search(@xpath)
+					elements = doc.search("p span##{@target_id}")
 					elements.map{|n| n.inner_text.strip}.first
 				end
 

spec/span_text_matcher_spec.rb

@@ -0,0 +1,39 @@
+require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
+
+describe 'span_text_matcher' do
+	it 'should find matching span' do
+		response = mock_model(Object, :body => '<p><span id="span_id">My Text</span></p>')
+		response.should have_span_text('span_id', 'My Text')
+	end
+
+	describe 'passed wrong id' do
+		it 'should not match' do
+			response = mock_model(Object, :body => '<p><span id="span_id">My Text</span></p>')
+			response.should_not have_span_text('wrong_id', 'My Text')
+		end
+	end
+
+	describe 'with non-matching expected' do
+		it 'should not match' do
+			response = mock_model(Object, :body => '<p><span id="span_id">My Text</span></p>')
+			response.should_not have_span_text('span_id', 'Some Other Text')
+		end
+	end
+
+	describe 'with normal failure' do
+		it 'should raise ExpectationNotMetError with correct message' do
+			response = mock_model Object, :body => 'Some non-matching HTML'
+			lambda do
+				response.should have_span_text('span_id', 'My Text')
+			end.should raise_error(Spec::Expectations::ExpectationNotMetError, "\nWrong span text contents.\nexpected: \"My Text\"\n   found: nil\n\n")
+		end
+	end
+
+	describe 'with negative failure' do
+		it 'should raise ExpectationNotMetError' do
+			response = mock_model Object, :body => '<p><span id="span_id">My Text</span></p>'
+			lambda{response.should_not have_span_text('span_id', 'My Text')}.should raise_error(Spec::Expectations::ExpectationNotMetError,
+				"\nShould not have matched span: span_id, with text: 'My Text'\n\n")
+		end
+	end
+end