Initial commit, working GPIO for all available CHIP GPIO pins, have not tested edge detection and callbacks

test/test_gpio_output.py

@@ -0,0 +1,44 @@
+import pytest
+import os
+
+import CHIP_IO.GPIO as GPIO
+
+def teardown_module(module):
+    GPIO.cleanup()
+
+class TestGPIOOutput:
+    def test_output_high(self):
+        GPIO.setup("CSID6", GPIO.OUT)
+        GPIO.output("CSID6", GPIO.HIGH)
+        value = open('/sys/class/gpio/gpio138/value').read()
+        assert int(value)
+        GPIO.cleanup()
+
+    def test_output_low(self):
+        GPIO.setup("CSID6", GPIO.OUT)
+        GPIO.output("CSID6", GPIO.LOW)
+        value = open('/sys/class/gpio/gpio138/value').read()
+        assert not int(value)
+        GPIO.cleanup()
+
+    def test_direction_readback(self):
+        GPIO.setup("CSID6", GPIO.OUT)
+        direction = GPIO.gpio_function("CSID6")
+        assert direction == GPIO.OUT
+    def test_output_greater_than_one(self):
+        GPIO.setup("CSID6", GPIO.OUT)
+        GPIO.output("CSID6", 2)
+        value = open('/sys/class/gpio/gpio138/value').read()
+        assert int(value)
+        GPIO.cleanup()
+
+    def test_output_of_pin_not_setup(self):
+        with pytest.raises(RuntimeError):
+            GPIO.output("CSID7", GPIO.LOW)
+            GPIO.cleanup()
+
+    def test_output_setup_as_input(self):
+        GPIO.setup("CSID6", GPIO.IN)
+        with pytest.raises(RuntimeError):
+            GPIO.output("CSID6", GPIO.LOW)
+            GPIO.cleanup()