Created new regression testing framework with a number of testcases (many more

can be added). Also changed 'test' target in makefile to run the new
tester.sh. (Hopefully, we should be able to remove all the tests/*.mk files
soon.)

1 files changed, 104 insertions, 0 deletions

diff --git a/tests/tester.sh b/tests/tester.sh
new file mode 100755
index 000000000..bb49609c3
--- /dev/null
+++ b/tests/tester.sh
@@ -0,0 +1,104 @@
+#!/bin/bash
+#
+# tester.sh - reads testcases from file and tests busybox applets vs GNU
+# counterparts
+#
+
+# set up defaults (can be changed with cmd-line options)
+BUSYBOX=../busybox
+TESTCASES=testcases
+LOGFILE=tester.log
+BB_OUT=bb.out
+GNU_OUT=gnu.out
+SETUP=""
+CLEANUP=""
+
+# internal-use vars
+fail_only=0
+
+
+while getopts 'p:t:l:b:g:s:c:f' opt
+do
+        case $opt in
+                p) BUSYBOX=$OPTARG; ;;
+                t) TESTCASES=$OPTARG; ;;
+                l) LOGFILE=$OPTARG; ;;
+                b) BB_OUT=$OPTARG; ;;
+                g) GNU_OUT=$OPTARG; ;;
+                s) SETUP=$OPTARG; ;;
+                c) CLEANUP=$OPTARG; ;;
+                f) fail_only=1; ;;
+                *)
+                        echo "usage: $0 [-ptlbgsc]"
+                        echo "  -p PATH  path to busybox executable"
+                        echo "  -t FILE  run testcases in FILE"
+                        echo "  -l FILE  log test results in FILE"
+                        echo "  -b FILE  store temporary busybox output in FILE"
+                        echo "  -g FILE  store temporary GNU output in FILE"
+                        echo "  -s FILE  (setup) run commands in FILE before testcases"
+                        echo "  -c FILE  (cleanup) run commands in FILE after testcases"
+                        echo "  -f       display only testcases that fail"
+                        exit 1
+                        ;;
+        esac
+done
+#shift `expr $OPTIND - 1`
+
+
+# do normal setup
+[ -e $LOGFILE ] && rm $LOGFILE
+unalias -a      # gets rid of aliases that might create different output
+
+# do extra setup (if any)
+if [ ! -z $SETUP ] 
+then
+        echo "running setup commands in $SETUP"
+        sh $SETUP
+        # XXX: Would 'eval' or 'source' work better instead of 'sh'?
+fi
+
+
+# go through each line in the testcase file
+cat $TESTCASES | while read line
+do
+        #echo $line
+        # only process non-blank lines and non-comment lines
+        if [ "$line" ]
+        then
+                if [ `echo "$line" | cut -c1` != "#" ]
+                then
+                        [ $fail_only -eq 0 ] && echo "testing: $line" | tee -a $LOGFILE
+
+                        # test if the applet was compiled into busybox
+                        applet=`echo $line | cut -d' ' -f1`
+                        $BUSYBOX 2>&1 | grep -qw $applet
+                        if [ $? -eq 1 ]
+                        then
+                                echo "WHOOPS: $applet not compiled into busybox" | tee -a $LOGFILE
+                        else
+                                $BUSYBOX $line > $BB_OUT
+                                $line > $GNU_OUT
+                                diff -q $BB_OUT $GNU_OUT > /dev/null
+                                if [ $? -eq 1 ]
+                                then
+                                        echo "FAILED: $line" | tee -a $LOGFILE
+                                        diff -u $BB_OUT $GNU_OUT >> $LOGFILE 
+                                fi
+                        fi
+                fi
+        fi
+done
+
+echo "Finished. Results are in $LOGFILE"
+
+
+# do normal cleanup
+rm -f $BB_OUT $GNU_OUT
+
+# do extra cleanup (if any)
+if [ ! -z $CLEANUP ] 
+then
+        echo "running cleanup commands in $CLEANUP"
+        sh $CLEANUP
+        # XXX: Would 'eval' or 'source' work better instead of 'sh'?
+fi