Added assertions for the response content in pdf action; changed all output file names to include seconds

app/controllers/wiki_controller.rb

@@ -80,16 +80,16 @@ class WikiController < ApplicationController
   end
 
   def export_pdf
-    file_name = "#{web.address}-tex-#{web.revised_on.strftime('%Y-%m-%d-%H-%M')}"
+    file_name = "#{web.address}-tex-#{web.revised_on.strftime('%Y-%m-%d-%H-%M-%S')}"
     file_path = WikiService.storage_path + file_name
 
-    export_web_to_tex(file_path + ".tex") unless FileTest.exists?(file_path + ".tex")
-    convert_tex_to_pdf(file_path + ".tex")
-    send_export(file_name + ".pdf", file_path + ".pdf")
+    export_web_to_tex "#{file_path}.tex"  unless FileTest.exists? "#{file_path}.tex"
+    convert_tex_to_pdf "#{file_path}.tex"
+    send_export("#{file_name}.tex", "#{file_path}.tex")
   end
 
   def export_tex
-    file_name = "#{web.address}-tex-#{web.revised_on.strftime('%Y-%m-%d-%H-%M')}.tex"
+    file_name = "#{web.address}-tex-#{web.revised_on.strftime('%Y-%m-%d-%H-%M-%S')}.tex"
     file_path = WikiService.storage_path + file_name
 
     export_web_to_tex(file_path) unless FileTest.exists?(file_path)
@@ -182,7 +182,7 @@ class WikiController < ApplicationController
   def pdf
     page = wiki.read_page(@web_name, @page_name)
     safe_page_name = @page.name.gsub(/\W/, '')
-    file_name = "#{safe_page_name}-#{@web.address}-#{@page.created_at.strftime("%Y-%m-%d-%H-%M")}"
+    file_name = "#{safe_page_name}-#{@web.address}-#{@page.created_at.strftime('%Y-%m-%d-%H-%M-%S')}"
     file_path = WikiService.storage_path + file_name
 
     export_page_to_tex(file_path + '.tex') unless FileTest.exists?(file_path + '.tex')

test/functional/wiki_controller_test.rb

@@ -2,7 +2,7 @@
 
 # Uncomment the line below to enable pdflatex tests; don't forget to comment them again 
 # commiting to SVN
-$INSTIKI_TEST_PDFLATEX = true
+# $INSTIKI_TEST_PDFLATEX = true
 
 require File.dirname(__FILE__) + '/../test_helper'
 require 'wiki_controller'
@@ -263,19 +263,53 @@ class WikiControllerTest < Test::Unit::TestCase
   end
 
 
-if ENV['INSTIKI_TEST_LATEX'] or defined? $INSTIKI_TEST_PDFLATEX
+  if ENV['INSTIKI_TEST_LATEX'] or defined? $INSTIKI_TEST_PDFLATEX
   
-  def test_pdf
-    if RedClothForTex.available?
-      process('pdf', 'web' => 'wiki1', 'id' => 'HomePage')
+    def test_pdf
+      assert RedClothForTex.available?, 'Cannot do test_pdf when pdflatex is not available'
+      r = process('pdf', 'web' => 'wiki1', 'id' => 'HomePage')
+      assert_success
+
+      content = r.binary_content
+      
+      assert_equal '%PDF', content[0..3]
+      assert_equal "EOF\n", content[-4..-1]
+
+      assert_equal 'application/octet_stream', r.headers['Content-Type']
+      assert_match /attachment; filename="HomePage-wiki1-\d\d\d\d-\d\d-\d\d-\d\d-\d\d-\d\d.pdf"/, 
+          r.headers['Content-Disposition']
     end
-  end
     
-else
-  puts "Warning: tests involving pdflatex are very slow, therefore they are disable by default."
-  puts "         Set environment variable INSTIKI_TEST_PDFLATEX or global Ruby variable"
-  puts "         $INSTIKI_TEST_PDFLATEX to enable them."
-end
+    def test_pdf
+      assert RedClothForTex.available?, 'Cannot do test_pdf when pdflatex is not available'
+      r = process('pdf', 'web' => 'wiki1', 'id' => 'HomePage')
+      assert_success
+      
+      sio = StringIO.new
+      begin 
+        $stdout = sio
+        r.body.call
+      ensure
+        $stdout = STDOUT
+      end
+      
+      sio.rewind
+      content = sio.read
+      
+      assert_equal '%PDF', content[0..3]
+      assert_equal "EOF\n", content[-4..-1]
+
+      assert_equal 'application/octet_stream', r.headers['Content-Type']
+      assert_match /attachment; filename="HomePage-wiki1-\d\d\d\d-\d\d-\d\d-\d\d-\d\d-\d\d.pdf"/, 
+          r.headers['Content-Disposition']
+    end
+    
+  
+  else
+    puts 'Warning: tests involving pdflatex are very slow, therefore they are disable by default.'
+    puts '         Set environment variable INSTIKI_TEST_PDFLATEX or global Ruby variable'
+    puts '         $INSTIKI_TEST_PDFLATEX to enable them.'
+  end
 
 
   def test_print

test/test_helper.rb

@@ -68,3 +68,21 @@ module ChunkMatch
     end
   end
 end
+
+
+module AbstractController
+  class TestResponse
+    def binary_content
+        sio = StringIO.new
+        begin 
+          $stdout = sio
+          r.body.call
+        ensure
+          $stdout = STDOUT
+        end
+        
+        sio.rewind
+        sio.read
+    end
+  end
+end