Test: Added detail env var to sum.sh, Changed make test to include detailed test

test/sum.sh

@@ -8,6 +8,17 @@
 
 : ${pattern:=test_*.sh}
 
+# If set, show details of (first) failing test after all tests completed
+: ${detail:=false}
+
+# temp directory, now used only by detail
+dir=/var/tmp/$0
+if $detail; then
+    if [ ! -d $dir ]; then
+	mkdir $dir
+    fi
+fi
+
 # You can specify tests files to exclude using the 'SKIPLIST' variable in a
 # site.sh file. See example in README.md. Files excluded by the 'SKIPLIST'
 # variable have precedence over files included by the 'pattern' variable.
@@ -28,20 +39,35 @@ fi
 let sumerr=0 # error counter
 for testfile in $pattern; do # For lib.sh the variable must be called testfile
     echo "Running $testfile"
-    ./$testfile  > /dev/null 2>&1
+    if $detail; then
+	./$testfile  > $dir/err.log 2>&1
+    else
+	./$testfile  > /dev/null 2>&1
+    fi
     errcode=$?
     if [ $errcode -ne 0 ]; then
         let sumerr++
 	echo -e "\e[31mError in $testfile errcode=$errcode"
 	echo -ne "\e[0m"
+	if $detail; then
+	    detail=false; # Just once for now, print at end
+	fi
     fi
 done
 if [ $sumerr -eq 0 ]; then 
     echo "OK"
 else
+    echo -e "\e[31m"
+    if [ -f $dir/err.log ]; then
+	echo "Detailed output of first error:"
+	echo -ne "\e[0m"
+	cat $dir/err.log	
+	echo
+    fi
     echo -e "\e[31m${sumerr} Errors"
     echo -ne "\e[0m"
+    rm -rf $dir
     exit -1
 fi
 
-
+rm -rf $dir