Write tests for multi-streams

tests.yaml

 ---
-
+tests:
 - exe: './homer.py'
   args:
       - '-h'
@@ -23,8 +23,8 @@
 
   retcode: 0
   stderr: ''
-  partstdout: '2a01:4f8:200:1302::42'
-  
+  partstdout: '2a01:4f8:'
+
 - exe: './homer.py'
   args:
       - '--dot'
@@ -33,6 +33,56 @@
 
   retcode: 0
   stderr: ''
-  partstdout: '2a01:4f8:200:1302::42'
-  
-  
\ No newline at end of file
+  partstdout: '2a01:4f8:'
+
+
+- exe : './homer.py'
+  args:
+      - '--multistreams'
+      - '--dot'
+      - 'dot.bortzmeyer.fr'
+      - 'framagit.org'
+  retcode: 1
+  partstderr: 'Multi-streams makes no sense for DoT'
+  stdout: ''
+
+- exe : './homer.py'
+  args:
+      - '--multistreams'
+      - 'dot.bortzmeyer.fr'
+      - 'framagit.org'
+  retcode: 1
+  partstderr: 'Multi-streams requires an input file'
+  stdout: ''
+
+- exe : './homer.py'
+  args:
+      - '--multistreams'
+      - '--file'
+      - 'input_file'
+      - 'dot.bortzmeyer.fr'
+      - 'framagit.org'
+  retcode: 1
+  partstderr: 'Wrong number of arguments'
+  stdout: ''
+
+- exe : './homer.py'
+  args:
+      - '--multistreams'
+      - '--file'
+      - 'input_file'
+      - 'dot.bortzmeyer.fr'
+  retcode: 1
+  partstderr: 'DoH requires a valid'
+  stdout: ''
+
+- exe : './homer.py'
+  args:
+      - '--multistreams'
+      - '--file'
+      - 'input_file'
+      - 'https://doh.bortzmeyer.fr'
+  retcode: 0
+  stderr: ''
+  partstdout: 'NOERR'
+