133 lines
3.6 KiB
Cheetah
133 lines
3.6 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 "tmp36_mock.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 WeatherApp behavior with mock sensor
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// ============================================================================
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class WeatherUnitTest : 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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EXPECT_CALL(mock_, serialBegin(_)).Times(AnyNumber());
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EXPECT_CALL(mock_, serialPrint(_)).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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Tmp36Mock sensor_;
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};
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TEST_F(WeatherUnitTest, BeginPrintsStartupMessage) {
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WeatherApp app(&mock_, &sensor_);
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EXPECT_CALL(mock_, serialBegin(115200)).Times(1);
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EXPECT_CALL(mock_, serialPrintln(HasSubstr("WeatherApp started"))).Times(1);
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app.begin();
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}
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TEST_F(WeatherUnitTest, BeginTakesInitialReading) {
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sensor_.setTemperature(25.0f);
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WeatherApp app(&mock_, &sensor_);
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app.begin();
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EXPECT_EQ(app.readCount(), 1);
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EXPECT_NEAR(app.lastCelsius(), 25.0f, 0.1f);
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}
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TEST_F(WeatherUnitTest, ReadsAfterInterval) {
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sensor_.setTemperature(20.0f);
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WeatherApp app(&mock_, &sensor_);
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ON_CALL(mock_, millis()).WillByDefault(Return(0));
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app.begin();
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EXPECT_EQ(app.readCount(), 1);
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// Not enough time yet
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ON_CALL(mock_, millis()).WillByDefault(Return(1999));
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app.update();
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EXPECT_EQ(app.readCount(), 1);
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// Now 2 seconds have passed
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ON_CALL(mock_, millis()).WillByDefault(Return(2000));
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app.update();
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EXPECT_EQ(app.readCount(), 2);
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}
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TEST_F(WeatherUnitTest, DoesNotReadTooEarly) {
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sensor_.setTemperature(22.0f);
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WeatherApp app(&mock_, &sensor_);
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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(1500));
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app.update();
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EXPECT_EQ(app.readCount(), 1);
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}
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TEST_F(WeatherUnitTest, CelsiusToFahrenheitConversion) {
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sensor_.setTemperature(0.0f);
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WeatherApp app(&mock_, &sensor_);
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app.begin();
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EXPECT_NEAR(app.lastCelsius(), 0.0f, 0.1f);
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EXPECT_NEAR(app.lastFahrenheit(), 32.0f, 0.1f);
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}
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TEST_F(WeatherUnitTest, BoilingPoint) {
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sensor_.setTemperature(100.0f);
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WeatherApp app(&mock_, &sensor_);
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app.begin();
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EXPECT_NEAR(app.lastCelsius(), 100.0f, 0.1f);
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EXPECT_NEAR(app.lastFahrenheit(), 212.0f, 0.1f);
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}
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TEST_F(WeatherUnitTest, NegativeTemperature) {
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sensor_.setTemperature(-10.0f);
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WeatherApp app(&mock_, &sensor_);
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app.begin();
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EXPECT_NEAR(app.lastCelsius(), -10.0f, 0.1f);
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EXPECT_NEAR(app.lastFahrenheit(), 14.0f, 0.1f);
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}
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TEST_F(WeatherUnitTest, PrintsTemperatureOnRead) {
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sensor_.setTemperature(25.0f);
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WeatherApp app(&mock_, &sensor_);
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EXPECT_CALL(mock_, serialPrint(HasSubstr("Temperature: "))).Times(1);
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EXPECT_CALL(mock_, serialPrintln(HasSubstr(" F)"))).Times(1);
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app.begin();
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}
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TEST_F(WeatherUnitTest, MultipleReadingsTrackNewTemperature) {
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WeatherApp app(&mock_, &sensor_);
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sensor_.setTemperature(20.0f);
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ON_CALL(mock_, millis()).WillByDefault(Return(0));
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app.begin();
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EXPECT_NEAR(app.lastCelsius(), 20.0f, 0.1f);
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sensor_.setTemperature(30.0f);
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ON_CALL(mock_, millis()).WillByDefault(Return(2000));
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app.update();
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EXPECT_NEAR(app.lastCelsius(), 30.0f, 0.1f);
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EXPECT_EQ(app.readCount(), 2);
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}
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