Init: Rattenfalle

test/embedded/test_devices/test_statusLed.cpp

@@ -0,0 +1,83 @@
+#include "StatusLed.h"
+#include <Arduino.h>
+#include <unity.h>
+
+void setUp(void) {}
+
+void tearDown(void) {}
+
+int LED_PIN = LED_BUILTIN;
+
+void test_LedStaysDark(void) {
+    StatusLed dut(LED_PIN);
+
+    for (size_t i = 0; i < 30; i++) {
+        dut.Tick();
+        TEST_ASSERT_EQUAL(LOW, digitalRead(LED_PIN));
+        delay(10);
+    }
+}
+
+void test_LedIsConstantOn(void) {
+    StatusLed dut(LED_PIN);
+
+    dut.Set(StatusLed::Mode::SteadyOn);
+    for (size_t i = 0; i < 30; i++) {
+        dut.Tick();
+        TEST_ASSERT_EQUAL(HIGH, digitalRead(LED_PIN));
+        delay(10);
+    }
+}
+
+void test_LedBlinks(void) {
+    StatusLed dut(LED_PIN);
+
+    dut.Set(StatusLed::Mode::Blinking);
+    for (size_t n = 0; n < 2; n++) {
+        for (size_t i = 0; i < 8; i++) {
+            dut.Tick();
+            TEST_ASSERT_EQUAL(HIGH, digitalRead(LED_PIN));
+            delay(20);
+        }
+        for (size_t i = 0; i < 8; i++) {
+            dut.Tick();
+            TEST_ASSERT_EQUAL(LOW, digitalRead(LED_PIN));
+            delay(20);
+        }
+    }
+}
+
+void test_LedBlinks_InverseLogic(void) {
+    StatusLed dut(LED_PIN, StatusLed::LedLogic::Inverted);
+
+    dut.Set(StatusLed::Mode::Blinking);
+    for (size_t n = 0; n < 2; n++) {
+        for (size_t i = 0; i < 8; i++) {
+            dut.Tick();
+            TEST_ASSERT_EQUAL(LOW, digitalRead(LED_PIN));
+            delay(20);
+        }
+        for (size_t i = 0; i < 8; i++) {
+            dut.Tick();
+            TEST_ASSERT_EQUAL(HIGH, digitalRead(LED_PIN));
+            delay(20);
+        }
+    }
+}
+
+void setup() {
+    // NOTE!!! Wait for >2 secs
+    // if board doesn't support software reset via Serial.DTR/RTS
+    delay(2000);
+
+    UNITY_BEGIN(); // IMPORTANT LINE!
+    RUN_TEST(test_LedStaysDark);
+    RUN_TEST(test_LedIsConstantOn);
+    RUN_TEST(test_LedBlinks);
+    RUN_TEST(test_LedBlinks_InverseLogic);
+    UNITY_END(); // stop unit testing
+}
+
+void loop() {
+    delay(500);
+}