test: new util method to_binary()

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/case/infix_containers/container_bridge/test.py

@@ -16,7 +16,7 @@ port accessed from the host.
 """
 import base64
 import infamy
-from   infamy.util import until
+from   infamy.util import until, to_binary
 
 with infamy.Test() as test:
     NAME  = "web-docker0"
@@ -34,7 +34,7 @@ with infamy.Test() as test:
 
     with test.step("Create container 'web-docker0' from bundled OCI image"):
         _, ifname = env.ltop.xlate("target", "data")
-        enc = base64.b64encode(BODY.encode('utf-8'))
+        data = to_binary(BODY)
         target.put_config_dict("ietf-interfaces", {
             "interfaces": {
                 "interface": [
@@ -71,7 +71,7 @@ with infamy.Test() as test:
                         "mount": [
                             {
                                 "name": "index.html",
-                                "content": f"{enc.decode('utf-8')}",
+                                "content": f"{data}",
                                 "target": "/var/www/index.html"
                             }
                         ],

test/infamy/util.py

@@ -1,8 +1,10 @@
+"""Helper functions for tests"""
+import base64
 import time
 import threading
 import infamy.neigh
-import infamy.netconf as netconf
-import infamy.restconf as restconf
+from infamy import netconf
+from infamy import restconf
 
 
 class ParallelFn(threading.Thread):
@@ -59,6 +61,14 @@ def is_reachable(neigh, env, pwd):
         return netconf_reachable and restconf_reachable
 
 
+def to_binary(text):
+    """Base64 encode the text, removing newlines"""
+    enc = base64.b64encode(text.encode('utf-8'))
+
+    # Convert the encoded bytes to a string and remove any newlines
+    return enc.decode('utf-8').replace('\n', '')
+
+
 def wait_boot(target, env):
     print(f"{target} is shutting down ...")
     until(lambda: not target.reachable(), attempts=100)