lib/saxophonit/test_testing.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # This file is free software, which comes along with NIT. This software is
   4 # distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
   5 # without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
   6 # PARTICULAR PURPOSE. You can modify it is you want, provided this header
   7 # is kept unaltered, and a notification of the changes is added.
   8 # You are allowed to redistribute it and sell it, alone or is a part of
   9 # another product.
  10
  11 # Test suite for `testing`.
  12 module test_testing is test
  13
  14 import saxophonit::testing
  15
  16 class TestSaxEventLogger
  17         test
  18
  19         # Constants for diff formatting.
  20
  21         # Treminal’s default formatting.
  22         private var default: String is noinit
  23
  24         # Formatting for insertions.
  25         private var ins: String is noinit
  26
  27         # Formatting for emphased insertions.
  28         private var ins_em: String is noinit
  29
  30         # Formatting for deletions.
  31         private var del: String is noinit
  32
  33         # Formatting for emphased deletions
  34         private var del_em: String is noinit
  35
  36
  37         private var a = new SAXEventLogger
  38         private var b = new SAXEventLogger
  39
  40         private var init_done: Bool = false
  41
  42         fun before_test is before do
  43                 if not init_done then
  44                         default = a.term_default
  45                         ins = a.term_insertion
  46                         ins_em = a.term_insertion_emphasis
  47                         del = a.term_deletion
  48                         del_em = a.term_deletion_emphasis
  49                         init_done = true
  50                 end
  51                 a.clear_log
  52                 b.clear_log
  53         end
  54
  55         private fun assert_equals(id: Int, expected: String, actual: String) do
  56                 assert equals: expected == actual else
  57                         sys.stderr.write("\nAssert {id} failed. Expected:\n")
  58                         sys.stderr.write(expected)
  59                         sys.stderr.write("\nGot:\n")
  60                         sys.stderr.write(actual)
  61                         sys.stderr.write("\n")
  62                 end
  63         end
  64
  65         fun test_diff_empty is test do
  66                 assert "" == a.diff(b).to_s
  67                 assert "" == b.diff(a).to_s
  68         end
  69
  70         fun test_diff_equal1 is test do
  71                 b.start_document
  72                 a.start_document
  73                 assert "" == a.diff(b).to_s
  74                 assert "" == b.diff(a).to_s
  75         end
  76
  77         fun test_diff_equal2 is test do
  78                 b.start_document
  79                 b.end_document
  80                 a.start_document
  81                 a.end_document
  82                 assert "" == a.diff(b).to_s
  83                 assert "" == b.diff(a).to_s
  84         end
  85
  86         fun test_diff_insertion is test do
  87                 var exp: String
  88                 var test: String
  89
  90                 b.start_document
  91                 b.start_dtd("html", "", "")
  92                 b.end_dtd
  93                 b.end_document
  94
  95                 a.start_document
  96                 a.start_dtd("html", "", "")
  97                 a.end_document
  98
  99                 exp = "= 0|start_document\n" +
 100                                 "= 1|start_dtd; html; ; \n" +
 101                                 "{del}< 2|{del_em}end_document{del}{default}\n" +
 102                                 "{ins}> 2|{ins_em}end_dtd{ins}{default}\n" +
 103                                 "{ins}> 3|{ins_em}end_document{ins}{default}\n"
 104                 test = a.diff(b).to_s
 105                 assert_equals(1, exp, test)
 106
 107                 exp = "= 0|start_document\n" +
 108                                 "= 1|start_dtd; html; ; \n" +
 109                                 "{del}< 2|{del_em}end_dtd{del}{default}\n" +
 110                                 "{ins}> 2|{ins_em}end_document{ins}{default}\n" +
 111                                 "{del}< 3|{del_em}end_document{del}{default}\n"
 112                 test = b.diff(a).to_s
 113                 assert_equals(2, exp, test)
 114         end
 115
 116         fun test_diff_edition is test do
 117                 var exp: String
 118                 var test: String
 119
 120                 b.start_document
 121                 b.start_dtd("html", "", "")
 122                 b.end_dtd
 123                 b.end_document
 124
 125                 a.start_document
 126                 a.start_dtd("html", "foo", "")
 127                 a.end_dtd
 128                 a.end_document
 129
 130                 exp = "= 0|start_document\n" +
 131                                 "{del}< 1|start_dtd; html; {del_em}foo{del}; {default}\n" +
 132                                 "{ins}> 1|start_dtd; html; {ins_em}{ins}; {default}\n" +
 133                                 "= 2|end_dtd\n" +
 134                                 "= 3|end_document\n"
 135                 test = a.diff(b).to_s
 136                 assert_equals(1, exp, test)
 137
 138                 exp = "= 0|start_document\n" +
 139                                 "{del}< 1|start_dtd; html; {del_em}{del}; {default}\n" +
 140                                 "{ins}> 1|start_dtd; html; {ins_em}foo{ins}; {default}\n" +
 141                                 "= 2|end_dtd\n" +
 142                                 "= 3|end_document\n"
 143                 test = b.diff(a).to_s
 144                 assert_equals(2, exp, test)
 145         end
 146 end