1 files changed, 69 insertions, 0 deletions
diff --git a/tests/extmod/ssl_basic.py b/tests/extmod/ssl_basic.py
new file mode 100644
index 000000000..d035798c9
--- /dev/null
+++ b/tests/extmod/ssl_basic.py
@@ -0,0 +1,69 @@
+# very basic test of ssl module, just to test the methods exist
+
+try:
+    import io
+    import ssl
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+
+class TestSocket(io.IOBase):
+    def write(self, buf):
+        return len(buf)
+
+    def readinto(self, buf):
+        return 0
+
+    def ioctl(self, cmd, arg):
+        print("TestSocket.ioctl", cmd, arg)
+        return 0
+
+    def setblocking(self, value):
+        print("TestSocket.setblocking({})".format(value))
+
+
+# create in client mode
+try:
+    ss = ssl.wrap_socket(TestSocket(), server_hostname="test.example.com")
+except OSError as er:
+    print("OSError: client")
+
+# create in server mode (can use this object for further tests)
+ss = ssl.wrap_socket(TestSocket(), server_side=1, do_handshake=0)
+
+# print
+print(repr(ss)[:12])
+
+# setblocking() propagates call to the underlying stream object
+ss.setblocking(False)
+ss.setblocking(True)
+
+# write
+try:
+    ss.write(b"aaaa")
+except OSError:
+    pass
+
+# read (underlying socket has no data)
+try:
+    ss.read(8)
+except OSError:
+    pass
+
+# close
+ss.close()
+# close 2nd time
+ss.close()
+
+# read on closed socket
+try:
+    ss.read(10)
+except OSError as er:
+    print("OSError: read")
+
+# write on closed socket
+try:
+    ss.write(b"aaaa")
+except OSError as er:
+    print("OSError: write")