testsuite/uniq.tests

   1 #!/bin/sh
   2
   3 # SUSv3 compliant uniq tests.
   4 # Copyright 2005 by Rob Landley <rob@landley.net>
   5 # Licensed under GPL v2, see file LICENSE for details.
   6
   7 # AUDIT: Full SUSv3 coverage (except internationalization).
   8
   9 if [ ${#COMMAND} -eq 0 ]; then COMMAND=uniq; fi
  10 . testing.sh
  11
  12 # Depends on uniq
  13 _BB_CONFIG_DEP=uniq
  14
  15 # testing "test name" "options" "expected result" "file input" "stdin"
  16 #   file input will be file called "input"
  17 #   test can create a file "actual" instead of writing to stdout
  18
  19 # Test exit status
  20
  21 testing "uniq (exit with error)" "nonexistent 2> /dev/null || echo yes" \
  22         "yes\n" "" ""
  23 testing "uniq (exit success)" "/dev/null && echo yes" "yes\n" "" ""
  24
  25 # Test various data sources and destinations
  26
  27 testing "uniq (default to stdin)" "" "one\ntwo\nthree\n" "" \
  28         "one\ntwo\ntwo\nthree\nthree\nthree\n"
  29 testing "uniq - (specify stdin)" "-" "one\ntwo\nthree\n" "" \
  30         "one\ntwo\ntwo\nthree\nthree\nthree\n"
  31 testing "uniq input (specify file)" "input" "one\ntwo\nthree\n" \
  32         "one\ntwo\ntwo\nthree\nthree\nthree\n" ""
  33
  34 testing "uniq input outfile (two files)" "input actual > /dev/null" \
  35         "one\ntwo\nthree\n" "one\ntwo\ntwo\nthree\nthree\nthree\n" ""
  36 testing "uniq (stdin) outfile" "- actual" \
  37         "one\ntwo\nthree\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
  38 # Note: SUSv3 doesn't seem to require support for "-" output, but we do anyway.
  39 testing "uniq input - (specify stdout)" "input -" \
  40         "one\ntwo\nthree\n" "one\ntwo\ntwo\nthree\nthree\nthree\n" ""
  41
  42
  43 #-f skip fields
  44 #-s skip chars
  45 #-c occurrences
  46 #-d dups only
  47 #-u
  48
  49 # Test various command line options
  50
  51 # Leading whitespace is a minor technical violation of the spec,
  52 # but since gnu does it...
  53 testing "uniq -c (occurrence count)" "-c | sed 's/^[ \t]*//'" \
  54         "1 one\n2 two\n3 three\n" "" \
  55         "one\ntwo\ntwo\nthree\nthree\nthree\n"
  56 testing "uniq -d (dups only) " "-d" "two\nthree\n" "" \
  57         "one\ntwo\ntwo\nthree\nthree\nthree\n"
  58
  59 testing "uniq -f -s (skip fields and chars)" "-f2 -s 3" \
  60 "cc     dd      ee8
  61 aa      bb      cc9
  62 " "" \
  63 "cc     dd      ee8
  64 bb      cc      dd8
  65 aa      bb      cc9
  66 "
  67
  68 # -d is "Suppress the writing fo lines that are not repeated in the input."
  69 # -u is "Suppress the writing of lines that are repeated in the input."
  70 # Therefore, together this means they should produce no output.
  71 testing "uniq -u and -d produce no output" "-d -u" "" "" \
  72         "one\ntwo\ntwo\nthree\nthree\nthree\n"
  73
  74 exit $FAILCOUNT