Uploaded Test files

venv/Lib/site-packages/ipykernel/tests/test_io.py

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+"""Test IO capturing functionality"""
+
+import io
+
+import zmq
+
+from jupyter_client.session import Session
+from ipykernel.iostream import IOPubThread, OutStream
+
+import nose.tools as nt
+
+def test_io_api():
+    """Test that wrapped stdout has the same API as a normal TextIO object"""
+    session = Session()
+    ctx = zmq.Context()
+    pub = ctx.socket(zmq.PUB)
+    thread = IOPubThread(pub)
+    thread.start()
+
+    stream = OutStream(session, thread, 'stdout')
+
+    # cleanup unused zmq objects before we start testing
+    thread.stop()
+    thread.close()
+    ctx.term()
+
+    assert stream.errors is None
+    assert not stream.isatty()
+    with nt.assert_raises(io.UnsupportedOperation):
+        stream.detach()
+    with nt.assert_raises(io.UnsupportedOperation):
+        next(stream)
+    with nt.assert_raises(io.UnsupportedOperation):
+        stream.read()
+    with nt.assert_raises(io.UnsupportedOperation):
+        stream.readline()
+    with nt.assert_raises(io.UnsupportedOperation):
+        stream.seek(0)
+    with nt.assert_raises(io.UnsupportedOperation):
+        stream.tell()