--- a/randomBed.xml	Sat Jan 03 16:23:23 2015 -0500
+++ b/randomBed.xml	Wed Jan 07 12:45:05 2015 -0500
@@ -6,30 +6,44 @@
     <expand macro="requirements" />
     <expand macro="stdio" />
     <command>
+<![CDATA[
         bedtools random
         -g $genome
         -l $length
         -n $intervals
-        #if $seed.choose:
-        -seed $seed.seed
+        #if $seed.seed_choose:
+            -seed $seed.seed
         #end if
+        > "$output"
+]]>
     </command>
     <inputs>
         <expand macro="genome" />
-        <param name="length" type="integer" value="100" label="The length of the intervals to generate." />
-        <param name="intervals" type="integer" value="1000000" label="The number of intervals to generate." />
+        <param name="length" type="integer" value="100" label="The length of the intervals to generate" help="(-l)" />
+        <param name="intervals" type="integer" value="1000000" label="The number of intervals to generate" help="(-n)" />
         <expand macro="seed" />
     </inputs>
     <outputs>
         <data format="bed" name="output" />
     </outputs>
+    <tests>
+        <test>
+            <param name="genome" value="mm9_chr1.len" />
+            <param name="seed_choose" value="True" />
+            <param name="seed" value="1" />
+            <param name="length" value="5" />
+            <param name="intervals" value="3" />
+            <output name="output" file="randomBed_result1.bed" ftype="bed" />
+        </test>
+    </tests>
     <help>
-
+<![CDATA[
 **What it does**
 
 bedtools random will generate a random set of intervals in BED6 format. One can specify both the number (-n) and the size (-l) of the intervals that should be generated.
 
 @REFERENCES@
+]]>
     </help>
     <expand macro="citations" />
 </tool>