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[hackapet/Adafruit_Blinka.git] / python / testing / implementation / all / digitalio.py

diff --git a/python/testing/implementation/all/digitalio.py b/python/testing/implementation/all/digitalio.py
index 85ffbf03f8c6816b056c9079343dec46555d43c7..f68a7603010da918b16748eb70c102bd6988d2c5 100644 (file)
--- a/python/testing/implementation/all/digitalio.py
+++ b/python/testing/implementation/all/digitalio.py
@@ -1,29 +1,80 @@
 import unittest
 import unittest

-from testing import yes_no
-from testing.board import led_pin,default_pin
+from testing import yes_no, await_true
+from testing.board import led_pin, default_pin, led_hardwired, led_inverted
+from digitalio import *

 
 class TestDigitalInOut(unittest.TestCase):
 
 
 class TestDigitalInOut(unittest.TestCase):
 

-

     def test_default(self):
     def test_default(self):

-        import digitalio
-        """Check that a DigitalInOut is input with no pull when constructed"""
-        with digitalio.DigitalInOut(default_pin) as dio:
-            self.assertEqual(dio.direction, digitalio.Direction.INPUT)
+        """DigitalInOut is input with no pull when constructed"""
+        with DigitalInOut(default_pin) as dio:
+            self.assertEqual(dio.direction, Direction.INPUT)
+            self.assertEqual(dio.pull, None)
+
+    def test_switch_to_output(self):
+        """Default configuration of switch_to_output is respected"""
+        with DigitalInOut(default_pin) as dio:
+            dio.switch_to_output()
+            self.assertEqual(dio.direction, Direction.OUTPUT)
+            self.assertEqual(dio.value, False)
+            self.assertEqual(dio.drive_mode, DriveMode.PUSH_PULL)
+
+    def test_switch_to_input(self):
+        """Default configuration of switch_to_input is respected"""
+        with DigitalInOut(default_pin) as dio:
+            dio.switch_to_output() # starts as input anyway
+            dio.switch_to_input()
+            self.assertEqual(dio.direction, Direction.INPUT)

             self.assertEqual(dio.pull, None)
 
 
             self.assertEqual(dio.pull, None)
 
 

+class TestDigitalInOutInteractive(unittest.TestCase):
+

     def test_blink(self):
     def test_blink(self):

-        import digitalio
-        from agnostic import time
-        self.assertTrue(yes_no("Is LED wired to {}".format(led_pin)))
-        with digitalio.DigitalInOut(led_pin) as led:
-            led.direction = digitalio.Direction.OUTPUT
+        """LED blinks when proper attributes set"""
+        print()
+        from agnostic import sleep
+        if not(led_hardwired) and not(yes_no("Is LED wired to {}".format(led_pin))):
+            return # test trivially passed
+        with DigitalInOut(led_pin) as led:
+            led.direction = Direction.OUTPUT

             # should now be OUT, PUSH_PULL, value=0, and LED should light
             # should now be OUT, PUSH_PULL, value=0, and LED should light

+            led.value = False if led_inverted else True

             self.assertTrue(yes_no("Is LED lit"))
             self.assertTrue(yes_no("Is LED lit"))

-            for count in range(3):
-                led.value = True
-                time.sleep(1.0)
-                led.value = False
-                time.sleep(1.0)
-            self.assertTrue(yes_no("Did LED wink thrice"))
+            print("Winking LED...")
+            for count in range(2):
+                led.value = not(led.value)
+                sleep(0.5)
+                led.value = not(led.value)
+                sleep(0.5)
+            self.assertTrue(yes_no("Did LED wink twice"))
+
+    def test_button_pull_up(self):
+        print()
+        """Pull-up button configured and detected"""
+        with DigitalInOut(default_pin) as button:
+            #button.direction = Direction.INPUT # implied
+            try:
+                button.pull = Pull.UP
+            except NotImplementedError as e:
+                print()
+                print(e)
+                return  # test trivially passed
+            if yes_no("Is Button wired from {} to GND".format(default_pin)):
+                self.assertTrue(button.value == True)
+                self.assertTrue(await_true("button pressed", lambda: button.value == False))
+
+    def test_button_pull_down(self):
+        print()
+        """Pull-down button configured and detected"""
+        with DigitalInOut(default_pin) as button:
+            #button.direction = Direction.INPUT # implied
+            try:
+                button.pull = Pull.DOWN
+            except NotImplementedError as e:
+                print(e)
+                return  # test trivially passed
+            if (yes_no("Is Button wired from {} to VCC".format(default_pin))):
+                self.assertTrue(button.value == False)
+                self.assertTrue(await_true("button pressed", lambda: button.value == True))
+