3298844399
Single-binary CLI that scaffolds testable Arduino projects, compiles, uploads, and monitors serial output. Templates embed a hardware abstraction layer, Google Mock infrastructure, and CMake-based host tests so application logic can be verified without hardware. Commands: new, doctor, setup, devices, build, upload, monitor 39 Rust tests (21 unit, 18 integration) Cross-platform: Linux and Windows
125 lines
3.5 KiB
Cheetah
125 lines
3.5 KiB
Cheetah
#include <gtest/gtest.h>
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#include <gmock/gmock.h>
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#include "hal.h"
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#include "mock_hal.h"
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#include "{{PROJECT_NAME}}_app.h"
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using ::testing::_;
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using ::testing::AnyNumber;
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using ::testing::Return;
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using ::testing::HasSubstr;
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// ============================================================================
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// Unit Tests -- verify exact HAL interactions
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// ============================================================================
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class BlinkAppUnitTest : public ::testing::Test {
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protected:
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void SetUp() override {
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ON_CALL(mock_, millis()).WillByDefault(Return(0));
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ON_CALL(mock_, digitalRead(_)).WillByDefault(Return(HIGH));
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EXPECT_CALL(mock_, serialBegin(_)).Times(AnyNumber());
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EXPECT_CALL(mock_, serialPrintln(_)).Times(AnyNumber());
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EXPECT_CALL(mock_, millis()).Times(AnyNumber());
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}
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::testing::NiceMock<MockHal> mock_;
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};
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TEST_F(BlinkAppUnitTest, BeginConfiguresPins) {
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BlinkApp app(&mock_, 13, 2);
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EXPECT_CALL(mock_, pinMode(13, OUTPUT)).Times(1);
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EXPECT_CALL(mock_, pinMode(2, INPUT_PULLUP)).Times(1);
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EXPECT_CALL(mock_, serialBegin(115200)).Times(1);
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app.begin();
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}
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TEST_F(BlinkAppUnitTest, StartsInSlowMode) {
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BlinkApp app(&mock_);
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app.begin();
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EXPECT_FALSE(app.fastMode());
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EXPECT_EQ(app.interval(), BlinkApp::SLOW_INTERVAL_MS);
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}
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TEST_F(BlinkAppUnitTest, TogglesLedAfterInterval) {
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BlinkApp app(&mock_);
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ON_CALL(mock_, millis()).WillByDefault(Return(0));
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app.begin();
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ON_CALL(mock_, millis()).WillByDefault(Return(500));
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EXPECT_CALL(mock_, digitalWrite(13, _)).Times(1);
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app.update();
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}
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TEST_F(BlinkAppUnitTest, DoesNotToggleBeforeInterval) {
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BlinkApp app(&mock_);
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ON_CALL(mock_, millis()).WillByDefault(Return(0));
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app.begin();
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ON_CALL(mock_, millis()).WillByDefault(Return(499));
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EXPECT_CALL(mock_, digitalWrite(_, _)).Times(0);
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app.update();
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}
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TEST_F(BlinkAppUnitTest, ButtonPressSwitchesToFastMode) {
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BlinkApp app(&mock_, 13, 2);
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ON_CALL(mock_, millis()).WillByDefault(Return(0));
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ON_CALL(mock_, digitalRead(2)).WillByDefault(Return(HIGH));
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app.begin();
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ON_CALL(mock_, digitalRead(2)).WillByDefault(Return(LOW));
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EXPECT_CALL(mock_, serialPrintln(HasSubstr("FAST"))).Times(1);
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app.update();
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EXPECT_TRUE(app.fastMode());
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EXPECT_EQ(app.interval(), BlinkApp::FAST_INTERVAL_MS);
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}
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TEST_F(BlinkAppUnitTest, SecondButtonPressReturnsToSlowMode) {
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BlinkApp app(&mock_, 13, 2);
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ON_CALL(mock_, millis()).WillByDefault(Return(0));
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ON_CALL(mock_, digitalRead(2)).WillByDefault(Return(HIGH));
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app.begin();
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// First press: fast mode
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ON_CALL(mock_, digitalRead(2)).WillByDefault(Return(LOW));
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app.update();
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EXPECT_TRUE(app.fastMode());
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// Release
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ON_CALL(mock_, digitalRead(2)).WillByDefault(Return(HIGH));
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app.update();
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// Second press: back to slow
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ON_CALL(mock_, digitalRead(2)).WillByDefault(Return(LOW));
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EXPECT_CALL(mock_, serialPrintln(HasSubstr("SLOW"))).Times(1);
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app.update();
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EXPECT_FALSE(app.fastMode());
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}
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TEST_F(BlinkAppUnitTest, HoldingButtonDoesNotRepeatToggle) {
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BlinkApp app(&mock_, 13, 2);
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ON_CALL(mock_, millis()).WillByDefault(Return(0));
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ON_CALL(mock_, digitalRead(2)).WillByDefault(Return(HIGH));
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app.begin();
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ON_CALL(mock_, digitalRead(2)).WillByDefault(Return(LOW));
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app.update();
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EXPECT_TRUE(app.fastMode());
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// Still held -- should NOT toggle again
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app.update();
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app.update();
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EXPECT_TRUE(app.fastMode());
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}
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