Moved Pin definition back so that __module__ properly rendered by repr(). Fear of...

[Adafruit_Blinka-hackapet.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..f4426058ed685210aedfa36e2e35dae9bf084674 100644 (file)
--- a/python/testing/implementation/all/digitalio.py
+++ b/python/testing/implementation/all/digitalio.py
@@ -1,29 +1,82 @@
 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
+import digitalio
+from digitalio import * # TODO refactor below for wildcard import
 
-class TestDigitalInOut(unittest.TestCase):
 
+class TestDigitalInOut(unittest.TestCase):
 
     def test_default(self):
-        import digitalio
-        """Check that a DigitalInOut is input with no pull when constructed"""
+        """DigitalInOut is input with no pull when constructed"""
+        with digitalio.DigitalInOut(default_pin) as dio:
+            self.assertEqual(dio.direction, digitalio.Direction.INPUT)
+            self.assertEqual(dio.pull, None)
+
+    def test_switch_to_output(self):
+        """Default configuration of switch_to_output is respected"""
         with digitalio.DigitalInOut(default_pin) as dio:
+            dio.switch_to_output()
+            self.assertEqual(dio.direction, digitalio.Direction.OUTPUT)
+            self.assertEqual(dio.value, 0)
+            self.assertEqual(dio.drive_mode, digitalio.DriveMode.PUSH_PULL)
+
+    def test_switch_to_input(self):
+        """Default configuration of switch_to_input is respected"""
+        with digitalio.DigitalInOut(default_pin) as dio:
+            dio.switch_to_output() # starts as input anyway
+            dio.switch_to_input()
             self.assertEqual(dio.direction, digitalio.Direction.INPUT)
             self.assertEqual(dio.pull, None)
 
 
+class TestDigitalInOutInteractive(unittest.TestCase):
+
     def test_blink(self):
-        import digitalio
-        from agnostic import time
-        self.assertTrue(yes_no("Is LED wired to {}".format(led_pin)))
+        """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 digitalio.DigitalInOut(led_pin) as led:
             led.direction = digitalio.Direction.OUTPUT
             # should now be OUT, PUSH_PULL, value=0, and LED should light
+            led.value = 0 if led_inverted else 1
             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 digitalio.DigitalInOut(default_pin) as button:
+            #button.direction = digitalio.Direction.INPUT # implied
+            try:
+                button.pull = digitalio.Pull.UP
+            except NotImplementedError as e:
+                print()
+                print(e)
+                return  # test trivially passed
+            if yes_no("Is Button wired to {} to GND".format(default_pin)):
+                self.assertTrue(button.value == 1)
+                self.assertTrue(await_true("button pressed", lambda: button.value == 0))
+
+    def test_button_pull_down(self):
+        print()
+        """Pull-down button configured and detected"""
+        with digitalio.DigitalInOut(default_pin) as button:
+            #button.direction = digitalio.Direction.INPUT # implied
+            try:
+                button.pull = digitalio.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 == 0)
+                self.assertTrue(await_true("button pressed", lambda: button.value == 1))
+