Add new unit tests

tests/src/lib/ShimClient.h

@@ -0,0 +1,44 @@
+#ifndef shimclient_h
+#define shimclient_h
+
+#include "Arduino.h"
+#include "Client.h"
+#include "IPAddress.h"
+#include "Buffer.h"
+
+
+class ShimClient : public Client {
+private:
+    Buffer* responseBuffer;
+    Buffer* expectBuffer;
+    bool _allowConnect;
+    bool _connected;
+    bool expectAnything;
+    bool _receivedExpected;
+    uint16_t _received;
+public:
+  ShimClient();
+  virtual int connect(IPAddress ip, uint16_t port);
+  virtual int connect(const char *host, uint16_t port);
+  virtual size_t write(uint8_t);
+  virtual size_t write(const uint8_t *buf, size_t size);
+  virtual int available();
+  virtual int read();
+  virtual int read(uint8_t *buf, size_t size);
+  virtual int peek();
+  virtual void flush();
+  virtual void stop();
+  virtual uint8_t connected();
+  virtual operator bool();
+  
+  virtual ShimClient* respond(uint8_t *buf, size_t size);
+  virtual ShimClient* expect(uint8_t *buf, size_t size);
+  
+  virtual uint16_t received();
+  virtual bool receivedExpected();
+  
+  virtual void setAllowConnect(bool b);
+  virtual void setConnected(bool b);
+};
+
+#endif