--- a/metaquantome_viz.xml	Wed Dec 05 14:52:54 2018 -0500
+++ b/metaquantome_viz.xml	Thu Dec 06 08:50:19 2018 -0500
@@ -99,7 +99,7 @@
                     help=""/>
         <conditional name="plot">
             <param argument="--plottype" type="select" label="Plot type">
-                <option value="bar">Bar Charti (bar)</option>
+                <option value="bar">Bar Chart (bar)</option>
                 <option value="volcano">Volcano Plot (volcano)</option>
                 <option value="heatmap">Heatmap (heatmap)</option>
                 <option value="pca">Principal Componets Analysis (pca)</option>
@@ -173,6 +173,22 @@
     <outputs>
         <data format="png" name="outfile" label="${tool.name} on ${on_string} ${plot.plottype}" from_work_dir="outfile.png"/>
     </outputs>
+    <tests>
+        <test>
+             <param name="infile" value="tax_filt.tab" ftype="tabular"/>
+             <param name="mode" value="t" />
+             <param name="samps_src" value="history" />
+             <param name="samps_file" value="samples.tab" ftype="tabular"/>
+             <param name="plottype" value="bar" />
+             <param name="target_rank" value="genus" />
+             <param name="meancol" value="NS_mean" />
+             <param name="nterms" value="3" />
+             <param name="barcol" value="1" />
+             <param name="width" value="3" />
+             <param name="height" value="3" />
+             <output name="outfile" file="tax_ns.png" ftype="png" compare="sim_size" delta="50000"/>
+        </test>
+    </tests>
     <help><![CDATA[
         TODO: Fill in help.
     ]]></help>