diff --git a/test/mcp.test.js b/test/mcp.test.js
index a90f8fe..8e3c6e1 100644
--- a/test/mcp.test.js
+++ b/test/mcp.test.js
@@ -2,58 +2,80 @@
 
  const expect = require('chai').expect,
    i2c = require('uci-i2c'),
-   _u = require('uci-utils')
+   _u = require('uci-utils'),
+   MCP = require('../lib/mcp23008-17')
 
  let bus1 = new i2c.Bus(1)
 
+ const config_sets = {
+   output: {
+     dir: 0, // 0 output,1 input
+     ivrt: 0,
+     pullup: 0,
+     intr: 0, // if intr = 0 usedef,deval not used
+     usedef: 0, // if usedef = 0 defval not used
+     defval: 0
+   },
+   toggle_switch: {
+     dir: 1, // 0 output,1 input
+     ivrt: 1, // for reading let 1 be zero and vice versa
+     pullup: 1,
+     intr: 1, // if intr = 0 usedef,deval not used
+     usedef: 0, // if usedef = 0 defval not used
+     defval: 0
+   },
+   momentary_switch: {
+     dir: 1, // 0 output,1 input
+     ivrt: 1, // for reading let 1 be zero and vice versa
+     pullup: 1,
+     intr: 1, // if intr = 0 usedef,deval not used
+     usedef: 1, // if usedef = 0 defval not used
+     defval: 1
+   }
+ }
+
  // console.log(bus1)
  // bus1.scan((devs)=>{console.log('devices: ', devs)})
  //bus1.scan().then(results=>console.log(results))
 
  describe('I2C Device Classes - ', function () {
 
-   let mcp17 = new i2c.MCP.MCP23017(bus1, 0x20, {
+   let mcp17 = new MCP.MCP23017(bus1, 0x20, {
+     pin_cfg_default: 'momentary_switch',
      name: 'switches 1-16'
    })
 
    describe('MCP23017 Class - ', function () {
 
-     it('can set and get a single pin config', function () {
-       expect(mcp17.pin(8).cfg.dir, "pin address getter failed").to.equal(0)
-       mcp17.portA.pin(8).cfg.dir = 1
-       console.log(mcp17.pin(8).cfg.dir)
-
-       //  expect(mcp17.pin(8).config.dir, "pin address setter failed").to.equal(1)
+     it('can set and get a single pin config on both ports', function () {
+       expect(mcp17.pin(1).cfg, "pin configs getter failed").to.deep.equal(config_sets.momentary_switch)
+         //  expect(mcp17.pin(8).cfg.dir, "pin config getter failed").to.equal(0)
+         //  mcp17.pin(8).cfg.dir = 1
+         //  expect(mcp17.pin(8).config.dir, "pin address setter failed").to.equal(1)
+         //  expect(mcp17.pin(8, 'B').cfg.dir, "pin address getter port B failed").to.equal(0)
+         //  mcp17.pin(8, 'B').cfg.dir = 1
+         //  expect(mcp17.pin(8, 'B').config.dir, "pin address setter failed").to.equal(1)
      });
 
-     it('a pin can access device methods when attached to a device', function () {
-       expect(mcp17.portA.pin(8).device.address.val).to.equal(mcp17.address.val)
-     })
-
    });
 
-   let mcp8 = new i2c.MCP.MCP23008(bus1, 0x21, {
-     cfgDefault: 'output',
+   let mcp8 = new MCP.MCP23008(bus1, 0x21, {
+     pin_cfg_default: 'toggle_switch',
      name: 'relay 1-8'
    })
 
    describe('MCP23008 Class - ', function () {
 
-     mcp8.pin(8).dir = 1
      it('can set and get a single pin config', function () {
-       expect(mcp8.port.pin(8).dir, "pin address getter failed").to.equal(1)
-       mcp8.port.pin(8).dir = 0
-       expect(mcp8.port.pin(8).dir, "pin address getter failed").to.equal(0)
-       expect(mcp8.port.pin(8).itr, "pin address getter failed").to.equal(Boolean(0))
+       expect(mcp8.pin(1).cfg, "pin configs getter failed").to.deep.equal(config_sets.toggle_switch)
+         //  expect(mcp8.pin(8).cfg.dir, "pin address getter failed").to.equal(1)
+         //  expect(mcp8.pin(8).cfg.ivrt, "pin address getter failed").to.equal(1)
+         //  expect(mcp8.pin(8).cfg.usedef, "pin address getter failed").to.equal(0)
+         //  mcp8.pin(8).cfg.dir = 0
+         //  expect(mcp8.pin(8).cfg.dir, "pin address setter failed").to.equal(0)
+         //  expect(mcp8.pin(8).ivrt, "pin address getter failed").to.equal(1)
      });
 
-     it('a pin can access device methods when attached to a device', function () {
-       expect(mcp17.portA.pin(8).device.address.val).to.equal(mcp17.address.val)
-     })
-
-     // console.log(bus1.bus.writeI2cBlock_p)
-     // mcp8.func()
-
      const ADDR = 0x21,
        DIR = 0x00,
        RW = 0x09,