out = new ByteArrayOutputStream();
err = new ByteArrayOutputStream();
client.out = new PrintStream(out);
client.err = new PrintStream(err);
client.executeCommandLine("put \"key\" {\"field1\": \"value1\", \"field2\": \"value2\"}");
assertEquals("", err.toString());
assertEquals("Putting Key:\n" +
"\"key\"\n\n" +
"Value:\n" +
"{\n" +