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annotate scripts/test/testing.sh @ 890:c7e7b159568d

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author Rob Landley <rob@landley.net>
date Mon, 29 Apr 2013 16:00:40 -0500
parents 3d7526f6115b
children 0de09d7f503d
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1e8f4b05cb65 Remove trailing whitespace (thanks to Charlie Shepherd), and a couple comment
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1 # Simple test harness infrastructure
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2 #
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3 # Copyright 2005 by Rob Landley
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4
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5 # This file defines two functions, "testing" and "optionflag"
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6
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7 # The following environment variables enable optional behavior in "testing":
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8 # DEBUG - Show every command run by test script.
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9 # VERBOSE - Print the diff -u of each failed test case.
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10 # SKIP - do not perform this test (this is set by "optionflag")
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11 #
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12 # The "testing" function takes five arguments:
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13 # $1) Description to display when running command
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14 # $2) Command line arguments to command
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15 # $3) Expected result (on stdout)
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16 # $4) Data written to file "input"
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17 # $5) Data written to stdin
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18 #
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19 # The exit value of testing is the exit value of the command it ran.
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20 #
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21 # The environment variable "FAILCOUNT" contains a cumulative total of the
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22 # number of failed tests.
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23
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24 # The "optional" function is used to skip certain tests, ala:
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25 # optionflag CFG_THINGY
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26 #
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27 # The "optional" function checks the environment variable "OPTIONFLAGS",
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28 # which is either empty (in which case it always clears SKIP) or
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29 # else contains a colon-separated list of features (in which case the function
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30 # clears SKIP if the flag was found, or sets it to 1 if the flag was not found).
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31
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32 export FAILCOUNT=0
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33 export SKIP=
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34
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35 # Helper functions
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36
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37 # Check config to see if option is enabled, set SKIP if not.
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38
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39 optional()
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40 {
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41 option=`echo "$OPTIONFLAGS" | egrep "(^|:)$1(:|\$)"`
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42 # Not set?
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43 if [ -z "$1" ] || [ -z "$OPTIONFLAGS" ] || [ ${#option} -ne 0 ]
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44 then
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45 SKIP=""
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46 return
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47 fi
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48 SKIP=1
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49 }
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50
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51 # The testing function
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52
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53 testing ()
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54 {
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55 NAME="$1"
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56 [ -z "$1" ] && NAME=$2
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57
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58 if [ $# -ne 5 ]
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59 then
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60 echo "Test $NAME has the wrong number of arguments ($# $*)" >&2
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61 exit
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62 fi
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63
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64 [ -n "$DEBUG" ] && set -x
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65
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66 if [ -n "$SKIP" ]
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67 then
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68 [ ! -z "$VERBOSE" ] && echo "SKIPPED: $NAME"
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69 return 0
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70 fi
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71
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72 echo -ne "$3" > expected
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73 echo -ne "$4" > input
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74 echo -ne "$5" | eval "$2" > actual
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75 RETVAL=$?
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76
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77 cmp expected actual > /dev/null 2>&1
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78 if [ $? -ne 0 ]
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79 then
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80 FAILCOUNT=$[$FAILCOUNT+1]
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81 echo "FAIL: $NAME"
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82 if [ -n "$VERBOSE" ]
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83 then
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84 echo "echo '$5' | $2"
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85 diff -u expected actual
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86 fi
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87 else
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88 echo "PASS: $NAME"
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89 fi
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90 rm -f input expected actual
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91
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92 [ -n "$DEBUG" ] && set +x
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93
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94 return $RETVAL
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95 }
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96
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97 # Recursively grab an executable and all the libraries needed to run it.
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98 # Source paths beginning with / will be copied into destpath, otherwise
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99 # the file is assumed to already be there and only its library dependencies
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100 # are copied.
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101
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102 function mkchroot
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103 {
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104 [ $# -lt 2 ] && return
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105
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106 echo -n .
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107
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108 dest=$1
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109 shift
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110 for i in "$@"
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111 do
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112 [ "${i:0:1}" == "/" ] || i=$(which $i)
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113 [ -f "$dest/$i" ] && continue
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114 if [ -e "$i" ]
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115 then
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116 d=`echo "$i" | grep -o '.*/'` &&
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117 mkdir -p "$dest/$d" &&
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118 cat "$i" > "$dest/$i" &&
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119 chmod +x "$dest/$i"
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120 else
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121 echo "Not found: $i"
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122 fi
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123 mkchroot "$dest" $(ldd "$i" | egrep -o '/.* ')
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124 done
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125 }
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126
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127 # Set up a chroot environment and run commands within it.
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128 # Needed commands listed on command line
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129 # Script fed to stdin.
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130
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131 function dochroot
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132 {
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133 mkdir tmpdir4chroot
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134 mount -t ramfs tmpdir4chroot tmpdir4chroot
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135 mkdir -p tmpdir4chroot/{etc,sys,proc,tmp,dev}
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136 cp -L testing.sh tmpdir4chroot
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137
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138 # Copy utilities from command line arguments
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139
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140 echo -n "Setup chroot"
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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141 mkchroot tmpdir4chroot $*
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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142 echo
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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143
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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144 mknod tmpdir4chroot/dev/tty c 5 0
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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145 mknod tmpdir4chroot/dev/null c 1 3
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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146 mknod tmpdir4chroot/dev/zero c 1 5
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147
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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148 # Copy script from stdin
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149
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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150 cat > tmpdir4chroot/test.sh
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151 chmod +x tmpdir4chroot/test.sh
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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152 chroot tmpdir4chroot /test.sh
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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153 umount -l tmpdir4chroot
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154 rmdir tmpdir4chroot
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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155 }
417591818dcb An old test suite wrapper I wrote, cleaned up a bit and checked for copyrights.
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156