Merge branch 'master' into get-pages

# Conflicts:
#	tests/test_client.py

.github/workflows/build.yml

@@ -3,9 +3,20 @@ name: Build-CI
 on: [pull_request, push]
 
 jobs:
+
+  approve: # First step
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Approve
+      run: echo For security reasons, all pull requests to this repository need to be approved first before running any automated CI.
+
   build:
     runs-on: ubuntu-latest
 
+    needs: [approve] # Require the first step to finish
+    environment:
+      name: IO
     steps:
     - uses: actions/checkout@v2
 

Adafruit_IO/__init__.py

@@ -21,5 +21,5 @@
 from .client import Client
 from .mqtt_client import MQTTClient
 from .errors import AdafruitIOError, RequestError, ThrottlingError, MQTTError
-from .model import Data, Feed, Group
+from .model import Data, Feed, Group, Dashboard, Block, Layout
 from ._version import __version__

Adafruit_IO/client.py

@@ -18,6 +18,7 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
+import time
 from time import struct_time
 import json
 import platform
@@ -30,7 +31,7 @@ from urllib.parse import parse_qs
 import requests
 
 from .errors import RequestError, ThrottlingError
-from .model import Data, Feed, Group
+from .model import Data, Feed, Group, Dashboard, Block, Layout
 
 API_PAGE_LIMIT = 1000
 
@@ -194,9 +195,19 @@ class Client(object):
         https://docs.python.org/3.7/library/time.html#time.struct_time
         """
         path = 'integrations/time/struct.json'
-        time = self._get(path)
+        return self._parse_time_struct(self._get(path))
-        return struct_time((time['year'], time['mon'], time['mday'], time['hour'],
+
-                            time['min'], time['sec'], time['wday'], time['yday'], time['isdst']))
+    @staticmethod
+    def _parse_time_struct(time_dict: dict) -> time.struct_time:
+        """Parse the time data returned by the server and return a  time_struct
+
+        Corrects for the weekday returned by the server in Sunday=0 format
+        (Python expects Monday=0)
+        """
+        wday = (time_dict['wday'] - 1) % 7
+        return struct_time((time_dict['year'], time_dict['mon'], time_dict['mday'],
+                            time_dict['hour'], time_dict['min'], time_dict['sec'],
+                            wday, time_dict['yday'], time_dict['isdst']))
 
     def receive_weather(self, weather_id=None):
         """Adafruit IO Weather Service, Powered by Dark Sky
@@ -326,11 +337,13 @@ class Client(object):
         :param string feed: Key of Adafruit IO feed.
         :param group_key group: Group to place new feed in.
         """
+        f = feed._asdict()
+        del f['id']  # Don't pass id on create call
         path = "feeds/"
         if group_key is not None: # create feed in a group
             path="/groups/%s/feeds"%group_key
-            return Feed.from_dict(self._post(path, {"feed": feed._asdict()}))
+            return Feed.from_dict(self._post(path, {"feed": f}))
-        return Feed.from_dict(self._post(path, {"feed": feed._asdict()}))
+        return Feed.from_dict(self._post(path, {"feed": f}))
 
     def delete_feed(self, feed):
         """Delete the specified feed.
@@ -363,3 +376,73 @@ class Client(object):
         """
         path = "groups/{0}".format(group)
         self._delete(path)
+
+    # Dashboard functionality.
+    def dashboards(self, dashboard=None):
+        """Retrieve a list of all dashboards, or the specified dashboard.
+        :param string dashboard: Key of Adafruit IO Dashboard. Defaults to None.
+        """
+        if dashboard is None:
+            path = "dashboards/"
+            return list(map(Dashboard.from_dict, self._get(path)))
+        path = "dashboards/{0}".format(dashboard)
+        return Dashboard.from_dict(self._get(path))
+
+    def create_dashboard(self, dashboard):
+        """Create the specified dashboard.
+        :param Dashboard dashboard: Dashboard object to create
+        """
+        path = "dashboards/"
+        return Dashboard.from_dict(self._post(path, dashboard._asdict()))
+
+    def delete_dashboard(self, dashboard):
+        """Delete the specified dashboard.
+        :param string dashboard: Key of Adafruit IO Dashboard.
+        """
+        path = "dashboards/{0}".format(dashboard)
+        self._delete(path)
+
+    # Block functionality.
+    def blocks(self, dashboard, block=None):
+        """Retrieve a list of all blocks from a dashboard, or the specified block.
+        :param string dashboard: Key of Adafruit IO Dashboard.
+        :param string block: id of Adafruit IO Block. Defaults to None.
+        """
+        if block is None:
+            path = "dashboards/{0}/blocks".format(dashboard)
+            return list(map(Block.from_dict, self._get(path)))
+        path = "dashboards/{0}/blocks/{1}".format(dashboard, block)
+        return Block.from_dict(self._get(path))
+
+    def create_block(self, dashboard, block):
+        """Create the specified block under the specified dashboard.
+        :param string dashboard: Key of Adafruit IO Dashboard.
+        :param Block block: Block object to create under dashboard
+        """
+        path = "dashboards/{0}/blocks".format(dashboard)
+        return Block.from_dict(self._post(path, block._asdict()))
+
+    def delete_block(self, dashboard, block):
+        """Delete the specified block.
+        :param string dashboard: Key of Adafruit IO Dashboard.
+        :param string block: id of Adafruit IO Block.
+        """
+        path = "dashboards/{0}/blocks/{1}".format(dashboard, block)
+        self._delete(path)
+
+    # Layout functionality.
+    def layouts(self, dashboard):
+        """Retrieve the layouts array from a dashboard
+        :param string dashboard: key of Adafruit IO Dashboard.
+        """
+        path = "dashboards/{0}".format(dashboard)
+        dashboard = self._get(path)
+        return Layout.from_dict(dashboard['layouts'])
+
+    def update_layout(self, dashboard, layout):
+        """Update the layout of the specified dashboard.
+        :param string dashboard: Key of Adafruit IO Dashboard.
+        :param Layout layout: Layout object to update under dashboard
+        """
+        path = "dashboards/{0}/update_layouts".format(dashboard)
+        return Layout.from_dict(self._post(path, {'layouts': layout._asdict()}))

Adafruit_IO/model.py

@@ -43,6 +43,7 @@ DATA_FIELDS   = [ 'created_epoch',
 
 FEED_FIELDS   = [ 'name',
                   'key',
+                  'id',
                   'description',
                   'unit_type',
                   'unit_symbol',
@@ -61,6 +62,26 @@ GROUP_FIELDS  = [ 'description',
                   'properties',
                   'name' ]
 
+DASHBOARD_FIELDS   = [ 'name',
+                       'key',
+                       'description',
+                       'show_header',
+                       'color_mode',
+                       'block_borders',
+                       'header_image_url',
+                       'blocks' ]
+
+BLOCK_FIELDS  = [ 'name',
+                  'id',
+                  'visual_type',
+                  'properties',
+                  'block_feeds' ]
+
+LAYOUT_FIELDS  = ['xl',
+                  'lg',
+                  'md',
+                  'sm',
+                  'xs' ]
 
 # These are very simple data model classes that are based on namedtuple.  This is
 # to keep the classes simple and prevent any confusion around updating data
@@ -71,15 +92,24 @@ GROUP_FIELDS  = [ 'description',
 Data   = namedtuple('Data', DATA_FIELDS)
 Feed   = namedtuple('Feed', FEED_FIELDS)
 Group  = namedtuple('Group', GROUP_FIELDS)
-
+Dashboard = namedtuple('Dashboard', DASHBOARD_FIELDS)
+Block  = namedtuple('Block', BLOCK_FIELDS)
+Layout = namedtuple('Layout', LAYOUT_FIELDS)
 
 # Magic incantation to make all parameters to the initializers optional with a
 # default value of None.
 Group.__new__.__defaults__  = tuple(None for x in GROUP_FIELDS)
 Data.__new__.__defaults__   = tuple(None for x in DATA_FIELDS)
+Layout.__new__.__defaults__   = tuple(None for x in LAYOUT_FIELDS)
+
+# explicitly set dashboard values so that 'color_mode' is 'dark'
+Dashboard.__new__.__defaults__ = (None, None, None, False, "dark", True, None, None)
+
+# explicitly set block values so 'properties' is a dictionary
+Block.__new__.__defaults__ = (None, None, None, {}, None)
 
 # explicitly set feed values
-Feed.__new__.__defaults__ = (None, None, None, None, None, 'ON', 'Private', None, None, None)
+Feed.__new__.__defaults__ = (None, None, None, None, None, None, 'ON', 'Private', None, None, None)
 
 # Define methods to convert from dicts to the data types.
 def _from_dict(cls, data):
@@ -103,7 +133,17 @@ def _group_from_dict(cls, data):
     return cls(**params)
 
 
+def _dashboard_from_dict(cls, data):
+    params = {x: data.get(x, None) for x in cls._fields}
+    # Parse the blocks if they're provided and generate block instances.
+    params['blocks'] = tuple(map(Block.from_dict, data.get('blocks', [])))
+    return cls(**params)
+
+
 # Now add the from_dict class methods defined above to the data types.
 Data.from_dict   = classmethod(_from_dict)
 Feed.from_dict   = classmethod(_feed_from_dict)
 Group.from_dict  = classmethod(_group_from_dict)
+Dashboard.from_dict  = classmethod(_dashboard_from_dict)
+Block.from_dict  = classmethod(_from_dict)
+Layout.from_dict  = classmethod(_from_dict)

examples/basics/dashboard.py

@@ -0,0 +1,88 @@
+"""
+'dashboard.py'
+=========================================
+Creates a dashboard with 3 blocks and feed it data
+
+Author(s): Doug Zobel
+"""
+from time import sleep
+from random import randrange
+from Adafruit_IO import Client, Feed, Block, Dashboard, Layout
+
+# Set to your Adafruit IO key.
+# Remember, your key is a secret,
+# so make sure not to publish it when you publish this code!
+ADAFRUIT_IO_USERNAME = ''
+
+# Set to your Adafruit IO username.
+# (go to https://accounts.adafruit.com to find your username)
+ADAFRUIT_IO_KEY = ''
+
+# Create an instance of the REST client.
+aio = Client(ADAFRUIT_IO_USERNAME, ADAFRUIT_IO_KEY)
+
+# Create a new feed named 'Dashboard Data' under the default group
+feed = aio.create_feed(Feed(name="Dashboard Data"), "default")
+
+# Fetch group info (group.id needed when adding feeds to blocks)
+group = aio.groups("default")
+
+# Create a new dasbhoard named 'Example Dashboard'
+dashboard = aio.create_dashboard(Dashboard(name="Example Dashboard"))
+
+# Create a line_chart
+linechart = Block(name="Linechart Data",
+                  visual_type = 'line_chart',
+                  properties = {
+                      "gridLines": True,
+                      "historyHours": "2"},
+                  block_feeds = [{
+                      "group_id": group.id,
+                      "feed_id":  feed.id
+                  }])
+linechart = aio.create_block(dashboard.key, linechart)
+
+# Create a gauge
+gauge = Block(name="Gauge Data",
+              visual_type = 'gauge',
+              block_feeds = [{
+                  "group_id": group.id,
+                  "feed_id":  feed.id
+              }])
+gauge = aio.create_block(dashboard.key, gauge)
+
+# Create a text stream
+stream = Block(name="Stream Data",
+               visual_type = 'stream',
+               properties = {
+                   "fontSize": "12",
+                   "fontColor": "#63de00",
+                   "showGroupName": "no"},
+               block_feeds = [{
+                   "group_id": group.id,
+                   "feed_id":  feed.id
+               }])
+stream = aio.create_block(dashboard.key, stream)
+
+# Update the large layout to:
+# |----------------|
+# |   Line Chart   |
+# |----------------|
+# | Gauge | Stream |
+# |----------------|
+layout = Layout(lg = [
+                   {'x': 0, 'y': 0, 'w': 16, 'h': 4, 'i': str(linechart.id)},
+                   {'x': 0, 'y': 4, 'w':  8, 'h': 4, 'i': str(gauge.id)},
+                   {'x': 8, 'y': 4, 'w':  8, 'h': 4, 'i': str(stream.id)}])
+aio.update_layout(dashboard.key, layout)
+
+print("Dashboard created at: " +
+      "https://io.adafruit.com/{0}/dashboards/{1}".format(ADAFRUIT_IO_USERNAME,
+                                                          dashboard.key))
+# Now send some data
+value = 0
+while True:
+    value = (value + randrange(0, 10)) % 100
+    print('sending data: ', value)
+    aio.send_data(feed.key, value)
+    sleep(3)

examples/basics/environmental_monitor.py

@@ -1,133 +0,0 @@
-"""
-'environmental_monitor.py'
-===============================================================================
-Example of sending I2C sensor data
-from multiple sensors to Adafruit IO.
-
-Tutorial Link: https://learn.adafruit.com/adafruit-io-air-quality-monitor
-
-Adafruit invests time and resources providing this open source code.
-Please support Adafruit and open source hardware by purchasing
-products from Adafruit!
-
-Author(s): Brent Rubell for Adafruit Industries
-Copyright (c) 2018 Adafruit Industries
-Licensed under the MIT license.
-All text above must be included in any redistribution.
-
-Dependencies:
-    - Adafruit_Blinka (CircuitPython, on Pi.)
-        (https://github.com/adafruit/Adafruit_Blinka)
-    - Adafruit_CircuitPython_SGP30.
-        (https://github.com/adafruit/Adafruit_CircuitPython_SGP30)
-    - Adafruit_CircuitPython_VEML6070.
-        (https://github.com/adafruit/Adafruit_CircuitPython_VEML6070)
-    - Adafruit_CircuitPython_BME280.
-        (https://github.com/adafruit/Adafruit_CircuitPython_BME280)
-"""
-
-# Import standard python modules
-import time
-
-# import Adafruit Blinka
-import board
-import busio
-
-# import CircuitPython sensor libraries
-import adafruit_sgp30
-import adafruit_veml6070
-import adafruit_bme280
-
-# import Adafruit IO REST client
-from Adafruit_IO import Client, Feed, RequestError
-
-# loop timeout, in seconds.
-LOOP_DELAY = 10
-
-# Set to your Adafruit IO key.
-# Remember, your key is a secret,
-# so make sure not to publish it when you publish this code!
-ADAFRUIT_IO_KEY = 'YOUR_AIO_KEY'
-
-# Set to your Adafruit IO username.
-# (go to https://accounts.adafruit.com to find your username)
-ADAFRUIT_IO_USERNAME = 'YOUR_AIO_USERNAME'
-
-# Create an instance of the REST client
-aio = Client(ADAFRUIT_IO_USERNAME, ADAFRUIT_IO_KEY)
-
-try: # if we already have the feeds, assign them.
-    tvoc_feed = aio.feeds('tvoc')
-    eCO2_feed = aio.feeds('eco2')
-    uv_feed = aio.feeds('uv')
-    temperature_feed = aio.feeds('temperature')
-    humidity_feed = aio.feeds('humidity')
-    pressure_feed = aio.feeds('pressure')
-    altitude_feed = aio.feeds('altitude')
-except RequestError: # if we don't, create and assign them.
-    tvoc_feed = aio.create_feed(Feed(name='tvoc'))
-    eCO2_feed = aio.create_feed(Feed(name='eco2'))
-    uv_feed = aio.create_feed(Feed(name='uv'))
-    temperature_feed = aio.create_feed(Feed(name='temperature'))
-    humidity_feed = aio.create_feed(Feed(name='humidity'))
-    pressure_feed = aio.create_feed(Feed(name='pressure'))
-    altitude_feed = aio.create_feed(Feed(name='altitude'))
-
-# Create busio I2C
-i2c = busio.I2C(board.SCL, board.SDA, frequency=100000)
-# Create VEML6070 object.
-uv = adafruit_veml6070.VEML6070(i2c)
-# Create BME280 object.
-bme280 = adafruit_bme280.Adafruit_BME280_I2C(i2c)
-bme280.sea_level_pressure = 1013.25
-# Create SGP30 object using I2C.
-sgp30 = adafruit_sgp30.Adafruit_SGP30(i2c)
-sgp30.iaq_init()
-sgp30.set_iaq_baseline(0x8973, 0x8aae)
-
-# Sample VEML6070
-def sample_VEML():
-    for _ in range(10):
-      uv_raw = uv.uv_raw
-    return uv_raw
-
-while True:
-    print('Reading sensors...')
-    # Read SGP30.
-    eCO2_data = sgp30.eCO2
-    tvoc_data = sgp30.TVOC
-
-    # Read VEML6070.
-    uv_data = sample_VEML()
-
-    # Read BME280.
-    temp_data = bme280.temperature
-    # convert temperature (C->F)
-    temp_data = int(temp_data) * 1.8 + 32
-    humid_data = bme280.humidity
-    pressure_data = bme280.pressure
-    alt_data = bme280.altitude
-
-    print('sending data to adafruit io...')
-    # Send SGP30 Data to Adafruit IO.
-    print('eCO2:', eCO2_data)
-    aio.send(eCO2_feed.key, eCO2_data)
-    print('tvoc:', tvoc_data)
-    aio.send(tvoc_feed.key, tvoc_data)
-    time.sleep(2)
-    # Send VEML6070 Data to Adafruit IO.
-    print('UV Level: ', uv_data)
-    aio.send(uv_feed.key, uv_data)
-    time.sleep(2)
-    # Send BME280 Data to Adafruit IO.
-    print('Temperature: %0.1f C' % temp_data)
-    aio.send(temperature_feed.key, temp_data)
-    print("Humidity: %0.1f %%" % humid_data)
-    aio.send(humidity_feed.key, int(humid_data))
-    time.sleep(2)
-    print("Pressure: %0.1f hPa" % pressure_data)
-    aio.send(pressure_feed.key, int(pressure_data))
-    print("Altitude = %0.2f meters" % alt_data)
-    aio.send(altitude_feed.key, int(alt_data))
-    # avoid timeout from adafruit io
-    time.sleep(LOOP_DELAY * 60)

tests/test_client.py

@@ -3,7 +3,7 @@
 import time
 import unittest
 
-from Adafruit_IO import Client, Data, Feed, Group, RequestError
+from Adafruit_IO import Client, Data, Feed, Group, Dashboard, Block, Layout, RequestError
 
 import base
 
@@ -22,8 +22,8 @@ class TestClient(base.IOTestCase):
 
     # If your IP isn't put on the list of non-throttled IPs, uncomment the
     # function below to waste time between tests to prevent throttling.
-    def tearDown(self):
+    #def tearDown(self):
-        time.sleep(30.0)
+    #    time.sleep(30.0)
 
     # Helper Methods
     def get_client(self):
@@ -46,6 +46,22 @@ class TestClient(base.IOTestCase):
             # Swallow the error if the group doesn't exist.
             pass
 
+    def ensure_dashboard_deleted(self, client, dashboard):
+        # Delete the specified dashboard if it exists.
+        try:
+            client.delete_dashboard(dashboard)
+        except RequestError:
+            # Swallow the error if the dashboard doesn't exist.
+            pass
+
+    def ensure_block_deleted(self, client, dashboard, block):
+        # Delete the specified block if it exists.
+        try:
+            client.delete_block(dashboard, block)
+        except RequestError:
+            # Swallow the error if the block doesn't exist.
+            pass
+
     def empty_feed(self, client, feed):
         # Remove all the data from a specified feed (but don't delete the feed).
         data = client.data(feed, max_results=None)
@@ -160,11 +176,41 @@ class TestClient(base.IOTestCase):
         """receive_time
         """
         aio = self.get_client()
-        time = aio.receive_time()
+        server_time = aio.receive_time()
         # Check that each value is rx'd properly
         # (should never be None type)
-        for time_data in time:
+        for time_data in server_time:
             self.assertIsNotNone(time_data)
+        # Check that the week day was interpreted properly
+        adjusted_time = time.localtime(time.mktime(server_time))
+        self.assertEqual(server_time.tm_wday, adjusted_time.tm_wday)
+
+    def test_parse_time_struct(self):
+        """Ensure the _parse_time_struct method properly handles all 7
+        week days. Particularly important to make sure Sunday is 6,
+        not -1"""
+        # Zero time is a dictionary as would be provided by server
+        # (wday is one higher than it should be)
+        zero_time = {'year': 1970,
+                     'mon': 1,
+                     'mday': 1,
+                     'hour': 0,
+                     'min': 0,
+                     'sec': 0,
+                     'wday': 4,
+                     'yday': 1,
+                     'isdst': 0}
+
+        # Create a good struct for each day of the week and make sure
+        # the server-style dictionary is parsed correctly
+        for k in range(7):
+            real_struct = time.gmtime(k * 86400)
+            d = zero_time.copy()
+            d['mday'] += k
+            d['wday'] += k
+            d['yday'] += k
+            newd = Client._parse_time_struct(d)
+            self.assertEqual(newd.tm_wday, real_struct.tm_wday)
 
     # Test Feed Functionality
     def test_append_by_feed_name(self):
@@ -269,3 +315,95 @@ class TestClient(base.IOTestCase):
         group = io.create_group(Group(name='grouprx'))
         response = io.groups(group.key)
         self.assertEqual(response.key, 'grouprx')
+
+
+    # Test Dashboard Functionality
+    def test_dashboard_create_dashboard(self):
+        io = self.get_client()
+        self.ensure_dashboard_deleted(io, 'dashtest')
+        response = io.create_dashboard(Dashboard(name='dashtest'))
+        self.assertEqual(response.name, 'dashtest')
+
+    def test_dashboard_returns_all_dashboards(self):
+        io = self.get_client()
+        self.ensure_dashboard_deleted(io, 'dashtest')
+        dashboard = io.create_dashboard(Dashboard(name='dashtest'))
+        response = io.dashboards()
+        self.assertGreaterEqual(len(response), 1)
+
+    def test_dashboard_returns_requested_feed(self):
+        io = self.get_client()
+        self.ensure_dashboard_deleted(io, 'dashtest')
+        dashboard = io.create_dashboard(Dashboard(name='dashtest'))
+        response = io.dashboards('dashtest')
+        self.assertEqual(response.name, 'dashtest')
+
+    # Test Block Functionality
+    def test_block_create_block(self):
+        io = self.get_client()
+        self.ensure_block_deleted(io, 'dashtest', 'blocktest')
+        self.ensure_dashboard_deleted(io, 'dashtest')
+        dash = io.create_dashboard(Dashboard(name='dashtest'))
+        block = io.create_block(dash.key, Block(name='blocktest',
+                                                visual_type = 'line_chart'))
+        self.assertEqual(block.name, 'blocktest')
+        io.delete_block(dash.key, block.id)
+        io.delete_dashboard(dash.key)
+
+    def test_dashboard_returns_all_blocks(self):
+        io = self.get_client()
+        self.ensure_block_deleted(io, 'dashtest', 'blocktest')
+        self.ensure_dashboard_deleted(io, 'dashtest')
+        dash = io.create_dashboard(Dashboard(name='dashtest'))
+        block = io.create_block(dash.key, Block(name='blocktest',
+                                                visual_type = 'line_chart'))
+        response = io.blocks(dash.key)
+        self.assertEqual(len(response), 1)
+        io.delete_block(dash.key, block.id)
+        io.delete_dashboard(dash.key)
+
+    def test_dashboard_returns_requested_block(self):
+        io = self.get_client()
+        self.ensure_block_deleted(io, 'dashtest', 'blocktest')
+        self.ensure_dashboard_deleted(io, 'dashtest')
+        dash = io.create_dashboard(Dashboard(name='dashtest'))
+        block = io.create_block(dash.key, Block(name='blocktest',
+                                                visual_type = 'line_chart'))
+        response = io.blocks(dash.key, block.id)
+        self.assertEqual(response.name, 'blocktest')
+        io.delete_block(dash.key, block.id)
+        io.delete_dashboard(dash.key)
+
+    # Test Layout Functionality
+    def test_layout_returns_all_layouts(self):
+        io = self.get_client()
+        self.ensure_block_deleted(io, 'dashtest', 'blocktest')
+        self.ensure_dashboard_deleted(io, 'dashtest')
+        dash = io.create_dashboard(Dashboard(name='dashtest'))
+        block = io.create_block(dash.key, Block(name='blocktest',
+                                                visual_type = 'line_chart'))
+        response = io.layouts(dash.key)
+        self.assertEqual(len(response), 5) # 5 layouts: xs, sm, md, lg, xl
+        self.assertEqual(len(response.lg), 1)
+        io.delete_block(dash.key, block.id)
+        io.delete_dashboard(dash.key)
+
+    def test_layout_update_layout(self):
+        io = self.get_client()
+        self.ensure_block_deleted(io, 'dashtest', 'blocktest')
+        self.ensure_dashboard_deleted(io, 'dashtest')
+        dash = io.create_dashboard(Dashboard(name='dashtest'))
+        block = io.create_block(dash.key, Block(name='blocktest',
+                                                visual_type = 'line_chart'))
+        layout = Layout(lg = [
+                   {'x': 0, 'y': 0, 'w': 16, 'h': 4, 'i': str(block.id)}])
+        io.update_layout(dash.key, layout)
+        response = io.layouts(dash.key)
+        self.assertEqual(len(response.lg), 1)
+        self.assertEqual(response.lg[0]['w'], 16)
+        io.delete_block(dash.key, block.id)
+        io.delete_dashboard(dash.key)
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_model.py

@@ -18,7 +18,7 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
-from Adafruit_IO import Data, Feed, Group
+from Adafruit_IO import Data, Feed, Group, Dashboard, Block, Layout
 
 import base
 
@@ -45,11 +45,12 @@ class TestData(base.IOTestCase):
 
     def test_feeds_have_explicitly_set_values(self):
         """ Let's make sure feeds are explicitly set from within the model:
-        Feed.__new__.__defaults__ = (None, None, None, None, None, 'ON', 'Private', None, None, None)
+        Feed.__new__.__defaults__ = (None, None, None, None, None, None, 'ON', 'Private', None, None, None)
         """
         feed = Feed(name='foo')
         self.assertEqual(feed.name, 'foo')
         self.assertIsNone(feed.key)
+        self.assertIsNone(feed.id)
         self.assertIsNone(feed.description)
         self.assertIsNone(feed.unit_type)
         self.assertIsNone(feed.unit_symbol)
@@ -69,6 +70,40 @@ class TestData(base.IOTestCase):
         self.assertIsNone(group.feeds)
         self.assertIsNone(group.properties)
 
+        """ Let's make sure feeds are explicitly set from within the model:
+        Dashboard.__new__.__defaults__ = (None, None, None, False, "dark", True, None, None)
+
+        """
+    def test_dashboard_have_explicitly_set_values(self):
+        dashboard = Dashboard(name="foo")
+        self.assertEqual(dashboard.name, 'foo')
+        self.assertIsNone(dashboard.key)
+        self.assertIsNone(dashboard.description)
+        self.assertFalse(dashboard.show_header)
+        self.assertEqual(dashboard.color_mode, 'dark')
+        self.assertTrue(dashboard.block_borders)
+        self.assertIsNone(dashboard.header_image_url)
+        self.assertIsNone(dashboard.blocks)
+
+        """ Let's make sure feeds are explicitly set from within the model:
+        Block.__new__.__defaults__ = (None, None, None {}, None)
+        """
+    def test_block_have_explicitly_set_values(self):
+        block = Block(name="foo")
+        self.assertEqual(block.name, 'foo')
+        self.assertIsNone(block.id)
+        self.assertIsNone(block.visual_type)
+        self.assertEqual(type(block.properties), dict)
+        self.assertEqual(len(block.properties), 0)
+        self.assertIsNone(block.block_feeds)
+
+    def test_layout_properties_are_optional(self):
+        layout = Layout()
+        self.assertIsNone(layout.xl)
+        self.assertIsNone(layout.lg)
+        self.assertIsNone(layout.md)
+        self.assertIsNone(layout.sm)
+        self.assertIsNone(layout.xs)
 
     def test_from_dict_ignores_unknown_items(self):
         data = Data.from_dict({'value': 'foo', 'feed_id': 10, 'unknown_param': 42})