Add unit tests for beeper (ikeyasu#25)

* clean up test setup
* clang-format tests
* fix include paths
* add beeper tests

Co-authored-by: stla <[email protected]>

Author: Sturla22

.gitignore

@@ -1,5 +1,4 @@
 build/
-Testing/
 .dep/
 *.o
 *.hex

solenoids.cpp

@@ -29,7 +29,7 @@ This file is part of AYAB.
 #ifndef HARD_I2C
 #define HARD_I2C
 #endif
-#include "./libraries/Alt_MCP23008/Alt_MCP23008.h"
+#include <Alt_MCP23008.h>
 #include <Wire.h>
 
 Alt_MCP23008 mcp_0;

test/CMakeLists.txt

@@ -1,10 +1,8 @@
-cmake_minimum_required(VERSION 2.8.8)
+cmake_minimum_required(VERSION 3.1)
 project(ayab_test)
 
 set(CMAKE_CXX_STANDARD 11 CACHE STRING "Set the C++ standard to be used for compiling")
 
-message("building all tests")
-
 find_package(Threads REQUIRED)
 
 add_subdirectory(arduino_mock)
@@ -21,6 +19,9 @@ add_executable(${PROJECT_NAME}
 
     ${PROJECT_SOURCE_DIR}/../encoders.cpp
     ${PROJECT_SOURCE_DIR}/./test_encoders.cpp
+
+    ${PROJECT_SOURCE_DIR}/../beeper.cpp
+    ${PROJECT_SOURCE_DIR}/./test_beeper.cpp
     )
 
 target_compile_definitions(${PROJECT_NAME}
@@ -45,11 +46,5 @@ target_link_libraries(${PROJECT_NAME}
 
 add_dependencies(${PROJECT_NAME} arduino_mock)
 
-# add_custom_command(TARGET ${PROJECT_NAME}
-#     POST_BUILD
-#     COMMAND gcovr -r . -e test_* -e arduino_mock*
-#     COMMAND gcovr -r . --branches -e test_* -e arduino_mock*
-#     )
-
 enable_testing()
 add_test(test_all ${PROJECT_NAME})

test/test_all.cpp

@@ -4,8 +4,7 @@
 
 #include "gtest/gtest.h"
 
-int main(int argc, char *argv[])
-{
-	::testing::InitGoogleTest(&argc, argv);
-	return RUN_ALL_TESTS();
+int main(int argc, char *argv[]) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
 }

test/test_beeper.cpp

@@ -0,0 +1,42 @@
+#include "gtest/gtest.h"
+
+#include "../beeper.h"
+
+using ::testing::Return;
+
+class BeeperTest : public ::testing::Test {
+protected:
+  void SetUp() override {
+    arduinoMock = arduinoMockInstance();
+    b = Beeper();
+  }
+
+  void TearDown() override {
+    releaseArduinoMock();
+  }
+
+  void checkBeepTime(byte length) {
+    EXPECT_CALL(*arduinoMock, analogWrite(PIEZO_PIN, 0)).Times(length);
+    EXPECT_CALL(*arduinoMock, analogWrite(PIEZO_PIN, 20)).Times(length);
+    EXPECT_CALL(*arduinoMock, delay(BEEPDELAY)).Times(length * 2);
+    EXPECT_CALL(*arduinoMock, analogWrite(PIEZO_PIN, 255)).Times(1);
+  }
+
+  ArduinoMock *arduinoMock;
+  Beeper b;
+};
+
+TEST_F(BeeperTest, test_ready) {
+  checkBeepTime(5);
+  b.ready();
+}
+
+TEST_F(BeeperTest, test_finishedLine) {
+  checkBeepTime(3);
+  b.finishedLine();
+}
+
+TEST_F(BeeperTest, test_endWork) {
+  checkBeepTime(10);
+  b.endWork();
+}