Fix division by zero

homer.py

@@ -586,8 +586,11 @@ def run_default(name, connection, opts):
         extra = ""
     if not opts.check or opts.verbose:
         time_tot = stop - start
-        time_per_request = time_tot / n_queries * 1000
-        print("\nTotal elapsed time: %.2f seconds (%.2f ms/request%s)" % (time_tot, time_per_request, extra))
+        if n_queries > 1:
+            time_per_request = " (%.2f ms/request%s)" % (time_tot / n_queries * 1000, extra)
+        else:
+            time_per_request = ""
+        print("\nTotal elapsed time: %.2f seconds%s" % (time_tot, time_per_request))
 
     if opts.multistreams and opts.verbose:
         for rcode, n in conn.finished['http'].items():

tests.yaml

@@ -717,6 +717,20 @@ tests:
       retcode: 1
       partstderr: 'certificate verify failed'
 
+# Invalid behaviour - errors should be caught
+###############################################################################
+
+    - name: '[doh] Invalide certificate'
+      exe: './homer.py'
+      markers:
+          - 'doh'
+      args:
+          - 'https://dot.bortzmeyer.fr'
+          - 'chatons.org'
+      retcode: 1
+      partstderr: 'does not match target host name'
+      partstdout: 'Total elapsed time'
+
 # Use --check option
 ###############################################################################