diff --git a/setup.cfg b/setup.cfg
index 1721975ed..fc35021c4 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,7 +21,6 @@ exclude_lines =
 
 [tool:full_coverage]
 exclude =
-    mitmproxy/contentviews/wbxml.py
     mitmproxy/proxy/protocol/
     mitmproxy/proxy/config.py
     mitmproxy/proxy/root_context.py
@@ -39,7 +38,6 @@ exclude =
     mitmproxy/addons/onboardingapp/app.py
     mitmproxy/addons/termlog.py
     mitmproxy/contentviews/base.py
-    mitmproxy/contentviews/wbxml.py
     mitmproxy/controller.py
     mitmproxy/ctx.py
     mitmproxy/exceptions.py
diff --git a/test/mitmproxy/contentviews/test_wbxml.py b/test/mitmproxy/contentviews/test_wbxml.py
index 777ab4dd1..09c770e71 100644
--- a/test/mitmproxy/contentviews/test_wbxml.py
+++ b/test/mitmproxy/contentviews/test_wbxml.py
@@ -1 +1,21 @@
-# TODO: write tests
+from mitmproxy.contentviews import wbxml
+from mitmproxy.test import tutils
+from . import full_eval
+
+data = tutils.test_data.push("mitmproxy/contentviews/test_wbxml_data/")
+
+
+def test_wbxml():
+    v = full_eval(wbxml.ViewWBXML())
+
+    assert v(b'\x03\x01\x6A\x00') == ('WBXML', [[('text', '<?xml version="1.0" ?>')]])
+    assert v(b'foo') is None
+
+    path = data.path("data.wbxml")  # File taken from https://github.com/davidpshaw/PyWBXMLDecoder/tree/master/wbxml_samples
+    with open(path, 'rb') as f:
+        input = f.read()
+    with open("-formatted.".join(path.rsplit(".", 1))) as f:
+        expected = f.read()
+
+    p = wbxml.ASCommandResponse.ASCommandResponse(input)
+    assert p.xmlString == expected
diff --git a/test/mitmproxy/contentviews/test_wbxml_data/data-formatted.wbxml b/test/mitmproxy/contentviews/test_wbxml_data/data-formatted.wbxml
new file mode 100644
index 000000000..fed293bd1
--- /dev/null
+++ b/test/mitmproxy/contentviews/test_wbxml_data/data-formatted.wbxml
@@ -0,0 +1,10 @@
+<?xml version="1.0" ?>
+<Sync>
+    <Collections>
+        <Collection>
+            <SyncKey>1509029063</SyncKey>
+            <CollectionId>7</CollectionId>
+            <Status>1</Status>
+        </Collection>
+    </Collections>
+</Sync>
diff --git a/test/mitmproxy/contentviews/test_wbxml_data/data.wbxml b/test/mitmproxy/contentviews/test_wbxml_data/data.wbxml
new file mode 100644
index 000000000..7c7a2004f
Binary files /dev/null and b/test/mitmproxy/contentviews/test_wbxml_data/data.wbxml differ