[tests] Test for printer settings

Added test for printer settings. Fixes GNOME bug #583976.

diff --git a/test/3-page.pdf b/test/3-page.pdf
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diff --git a/test/4-page.pdf b/test/4-page.pdf
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diff --git a/test/test-print-combinations.py b/test/test-print-combinations.py
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+++ b/test/test-print-combinations.py
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+#!/usr/bin/python
+
+# Test various print setting combinations
+# To run this successfully you need to make some preparations. First of all,
+# you need to open evince and make sure that:
+#  * the printer is set to "Print to File"
+# (I think) we are unable to select the "Print to File" line from the table
+
+import os
+# i'm note sure why this is required but it seems to break i18n if it is not commented out
+# os.environ['LANG']='C'
+homedir = os.environ["HOME"] + "/";
+
+from dogtail.procedural import *
+import dogtail.tree
+import dogtail.predicate
+
+#~ uncommenting the import and load below should enable you to run this on any language
+#~ If you are testing a different language than English run the test like so:
+#~ LANG=xx_XX.YYY ./test-print-combinations.py
+
+# import dogtail.i18n
+# dogtail.i18n.loadTranslationsFromPackageMoFiles('evince')
+
+#~ test setting lists: customize these to your liking, the comment above each
+#~ displays possible AND/OR default values
+
+#~ copies = [1,2,3,4,....,n]  # does not need to be sequential
+copies = [3,1]
+
+#~ collate [0,1]
+collate = [1,0]
+
+#~ reverse = [0,1]
+reverse = [1,0]
+
+#~ pages_per_sheet = [1,2,4,6,9,16]
+pages_per_sheet = [1,4,9]
+
+#~ only_print = ["All sheets","Even sheets","Odd sheets"]
+only_print = ["All sheets","Even sheets","Odd sheets"]
+
+#~ output_type = ["pdf","ps"]
+output_type = ["pdf"]
+
+#~ if you prepare more test documents with different numbers of pages, 
+#~ you can add them here, the test documents must be saved as n-page.pdf
+#~ where n stands for the number of pages
+
+#~ pages_in_document = [3,4]
+pages_in_document = [3,4]
+
+# all pages in a document, an even range, an odd range
+#~ ranges = ["all","1-3,2-3,1","1-2,2-3,1-3"]
+ranges = ["all","1-3,2-3,1","1-2,2-3,1-3"]
+
+counter = 0
+# estimate number of iterations the test will require, this will be lower because we don't run (col == 1 && cop == 1)
+n_tests = len(copies) * len(collate) * len(reverse) * len(pages_per_sheet) * len(only_print) * len(output_type) * len(pages_in_document) * len(ranges)
+
+#~ function: build_filename
+def build_filename( pages, cop, pps, col, rev, rng, op, ot ):
+       result = "pid_" + str(pages) + "_cop_" + str(cop) + "_pps_" + str(pps) + "_col_" + str(col) + "_rev_" + str(rev)
+
+       result += "_sheets"             
+       if op == "All sheets":
+               result += "_all"
+       elif op == "Even sheets":
+               result += "_even"
+       else:
+               result += "_odd"
+       
+       result += "_rng"        
+       if rng == "all":
+               result += "_all"
+       elif rng == "1-3,2-3,1":
+               result += "_even"
+       else:
+               result += "_odd"
+
+       result += "."
+       result += str(ot)
+       return result
+#~ ///function: build_filename
+
+
+
+#~ function: run_test
+def run_test( pages, cop, pps, col, rev, rng, op, ot ):
+       filename = build_filename( pages, cop, pps, col, rev, rng, op, ot )
+
+       #~ we don't want the "file exists" dialog to pop up:
+       #~ delete the file if it already exists, potentially dangerous if filename
+       #~ is zero so we check for nonzero length at least
+       if ( os.path.exists(homedir + filename) and (len(filename) != 0) ):
+               os.unlink(homedir + filename)
+
+       evince = tree.root.application('evince')
+       
+       click('File', roleName='menu')
+       click('Print...', roleName='menu item')
+       
+       dlg = evince.dialog('Print')
+       
+       #~ This doesn't work, even if rewritten as in test6.py or test7.py
+       #~ click(name='Print to File', roleName='table cell', raw=True)
+       
+       focus.widget(roleName='page tab', name='General')
+       focus.widget.node.select()
+       
+       dlg.child( roleName='text' ).text = filename
+       
+       if ot == "pdf":
+               click('PDF', roleName='radio button')
+       else:
+               click('Postscript', roleName='radio button')
+               
+       
+       if rng == "all":
+               click('All Pages', roleName='radio button')
+       else:
+               click('Pages:', roleName='radio button')
+               dlg.child('Pages', roleName='text').text = rng
+       
+       
+       sb_copies = dlg.child( roleName='spin button' )
+       sb_copies.text = str(cop)
+       # activate must be called to actualize the new setting
+       sb_copies.doAction("activate")
+       
+       
+       cb_reverse = dlg.child('Reverse', roleName='check box')
+       if (rev == 1 and cb_reverse.checked == False):
+               cb_reverse.click()
+       elif (rev == 0 and cb_reverse.checked == True):
+               cb_reverse.click()
+       
+       cb_collate = dlg.child('Collate', roleName='check box')
+       if (col == 1 and cb_collate.checked == False):
+               cb_collate.click()
+       elif (col == 0 and cb_collate.checked == True):
+               cb_collate.click()
+               
+       focus.widget(roleName='page tab', name='Page Setup')
+       focus.widget.node.select()
+       
+       #~ Set pages per sheet:
+       #~ This will break at some point if there is more than one numeric combo box
+       #~ it will also not work for languages with other numerals
+       #~ The for loops here are necessary because the name of these combo boxes
+       #~ is based on their current value and they have no 'label' attribute
+       
+       # Redefining this here so that changing pages_per_sheet above does not affect our search
+       local_pages_per_sheet = [1,2,4,6,9,16]
+       for x in local_pages_per_sheet:
+               pred = dogtail.predicate.GenericPredicate( name = str(x), roleName='combo box' )
+               if dlg.findChild( pred, retry=False, requireResult=False):
+                       # dlg.child( str(x), roleName='combo box').combovalue = str(pps)
+                       # we've found what we're looking for, no need to continue the loop
+                       break
+       
+       # Redefining this here so that changing only_print above does not affect our search
+       local_only_print = ["All sheets","Even sheets","Odd sheets"]
+       for x in local_only_print:      
+               pred = dogtail.predicate.GenericPredicate( name = str(x), roleName='combo box' )
+               if dlg.findChild( pred, retry=False, requireResult=False):
+                       dlg.child( str(x), roleName='combo box').combovalue = str(op)
+                       # we've found what we're looking for, no need to continue the loop
+                       break
+       
+       #~ We're done setting up, start the print job 
+       click('Print', roleName='push button')
+#~ ///function: run_test
+
+
+
+
+#~ The test loop. 
+for ot in output_type:
+       for pages in pages_in_document:
+               # the filename which is opened depends on 'pages'
+               app = run('evince', arguments=' ' + str(pages) + "-page.pdf")
+               for rev in reverse:
+                       for col in collate:
+                               for cop in copies:
+                                       #no sense in testing collate with 1 copy! it is equivalent to 1 uncollated
+                                       if (cop == 1 and col == 1):
+                                               continue
+                                       for rng in ranges:
+                                               for pps in pages_per_sheet:
+                                                       for op in only_print:
+                                                               counter += 1
+                                                               print str(counter) + " of " + str(n_tests)
+                                                               run_test( pages, cop, pps, col, rev, rng, op, ot )
+               click('File',roleName='menu')
+               click('Close',roleName='menu item')
+
+#~ we should be done now.
+