unit_tests/tests/sensor/test_fuel_level_func.cpp

Directory:	./
File:	unit_tests/tests/sensor/test_fuel_level_func.cpp
Date:	2025-10-03 00:57:22

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Lines:	100.0%	68	0	68
Functions:	100.0%	12	0	12
Branches:	45.0%	45	0	100
Decisions:	100.0%	4	-	4

  
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      //
    
      // Created by kifir on 12/19/24.
    
      //
    
      #include "pch.h"
    
      #include "util/test_base.h"
    
      #include "fuel_level_func.h"
    
      namespace {
    
      	constexpr float calculateNextFilteredValue(float currentFilteredValue, float newValue, float alpha) {
    
      		return currentFilteredValue + (newValue - currentFilteredValue) * alpha;
    
      	}
    
      	class FuelLevelFuncTest: public TestBase<> {
    
      	protected:
    
      		static constexpr float TEST_FUEL_LEVEL_UPDATE_PERIOD_SEC = 0.932f;
    
      		static constexpr float TEST_FUEL_LEVEL_UPDATE_PERIOD_USEC = static_cast<int>(
    
      			TEST_FUEL_LEVEL_UPDATE_PERIOD_SEC * 1000000.0f
    
      		);
    
      		static constexpr float TEST_FUEL_LEVEL_ALPHA = 0.17f;
    
      		static constexpr float TEST_FUEL_LEVEL_LOW_THRESHOLD_VOLTAGE = 0.01f;
    
      		static constexpr float TEST_FUEL_LEVEL_HIGH_THRESHOLD_VOLTAGE = 100.0f;
    
      		static constexpr uint8_t TEST_DEFAULT_FUEL_LEVEL = 12;
    
      		static constexpr float INPUT_VALUE_0 = 51.932f;
    
      		static constexpr float EXPECTED_FILTERED_VALUE_0 = INPUT_VALUE_0;
    
      		static constexpr uint8_t EXPECTED_FUEL_LEVEL_0 = 89;
    
      		static constexpr float INPUT_VALUE_1 = 1.932f;
    
      		static constexpr float EXPECTED_FILTERED_VALUE_1 =
    
      			calculateNextFilteredValue(EXPECTED_FILTERED_VALUE_0, INPUT_VALUE_1, TEST_FUEL_LEVEL_ALPHA);
    
      		static constexpr uint8_t EXPECTED_FUEL_LEVEL_1 = 78;
    
      		static constexpr float INPUT_VALUE_2 = INPUT_VALUE_1;
    
      		static constexpr float EXPECTED_FILTERED_VALUE_2 =
    
      			calculateNextFilteredValue(EXPECTED_FILTERED_VALUE_1, INPUT_VALUE_2, TEST_FUEL_LEVEL_ALPHA);
    
      		static constexpr uint8_t EXPECTED_FUEL_LEVEL_2 = 67;
    
      		static const FuelLevelBinsCurve TEST_FUEL_LEVEL_BINS;
    
      		static const FuelLevelValuesCurve TEST_FUEL_LEVEL_VALUES;
    
      		void SetUp() override;
    
      		float convert(float newValue);
    
      		UnexpectedCode invalidConvert(float newValue);
    
      		void checkThatNewValueIsIgnoredDuringUpdatePeriod(float previousValue);
    
      	private:
    
      		static FuelLevelBinsCurve getTestFuelLevelBins();
    
      		static FuelLevelValuesCurve getTestFuelLevelValues();
    
      		std::unique_ptr<FuelLevelFunc> m_fuelLevelFunc;
    
      	};
    
      	const FuelLevelBinsCurve FuelLevelFuncTest::TEST_FUEL_LEVEL_BINS = FuelLevelFuncTest::getTestFuelLevelBins();
    
      	const FuelLevelValuesCurve FuelLevelFuncTest::TEST_FUEL_LEVEL_VALUES = FuelLevelFuncTest::getTestFuelLevelValues();
    
      2
      	void FuelLevelFuncTest::SetUp() {
    
      2
      		TestBase::SetUp();
    
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      6
      		setUpEngineConfiguration(EngineConfig()
    
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      6
      			.setFuelLevelUpdatePeriodSec(TEST_FUEL_LEVEL_UPDATE_PERIOD_SEC)
    
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      8
      			.setFuelLevelAveragingAlpha(TEST_FUEL_LEVEL_ALPHA)
    
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      8
      			.setFuelLevelLowThresholdVoltage(TEST_FUEL_LEVEL_LOW_THRESHOLD_VOLTAGE)
    
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      8
      			.setFuelLevelHighThresholdVoltage(TEST_FUEL_LEVEL_HIGH_THRESHOLD_VOLTAGE)
    
      		);
    
      2
      		getTestPersistentConfiguration().setFuelLevelBinsCurve(TEST_FUEL_LEVEL_BINS);
    
      2
      		getTestPersistentConfiguration().setFuelLevelValuesCurve(TEST_FUEL_LEVEL_VALUES);
    
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      2
      		m_fuelLevelFunc = std::make_unique<FuelLevelFunc>();
    
      2
      	}
    
      12
      	float FuelLevelFuncTest::convert(const float newValue) {
    
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      12
      		const SensorResult result = m_fuelLevelFunc->convert(newValue);
    
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      12
      		EXPECT_TRUE(result.Valid);
    
      12
      		return result.Value;
    
      	}
    
      2
      	UnexpectedCode FuelLevelFuncTest::invalidConvert(const float newValue) {
    
      2
      		const SensorResult result = m_fuelLevelFunc->convert(newValue);
    
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      2
      		EXPECT_FALSE(result.Valid);
    
      2
      		return result.Code;
    
      	}
    
      3
      	void FuelLevelFuncTest::checkThatNewValueIsIgnoredDuringUpdatePeriod(const float previousValue) {
    
      3
      		advanceTimeUs(1);
    
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      3
      		EXPECT_EQ(convert(99.9f), previousValue);
    
      3
      		advanceTimeUs(TEST_FUEL_LEVEL_UPDATE_PERIOD_USEC - 1);
    
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      3
      		EXPECT_EQ(convert(11.1f), previousValue);
    
      3
      	}
    
      1
      	FuelLevelBinsCurve FuelLevelFuncTest::getTestFuelLevelBins() {
    
      		FuelLevelBinsCurve result;
    
      1
      		const long binsCount = result.size();
    
      1
      		float nextBin = 0.0f;
    
      		// Initialize first bins with arbitrary increasing values:
    
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      6
      		for (int i = 0; i < binsCount - 3; i++) {
    
      5
      			nextBin += 0.1f;
    
      5
      			result[i] = nextBin;
    
      		}
    
      1
      		result[binsCount - 3] = EXPECTED_FILTERED_VALUE_2;
    
      1
      		result[binsCount - 2] = EXPECTED_FILTERED_VALUE_1;
    
      1
      		result[binsCount - 1] = EXPECTED_FILTERED_VALUE_0;
    
      		// Validate bins - they should be increasing
    
      1
      		float latestBin = 0.0f;
    
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      9
      		for (const float bin: result) {
    
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      8
      			EXPECT_TRUE(latestBin < bin);
    
      8
      			latestBin = bin;
    
      		}
    
      1
      		return result;
    
      	}
    
      1
      	FuelLevelValuesCurve FuelLevelFuncTest::getTestFuelLevelValues() {
    
      1
      		FuelLevelValuesCurve result;
    
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      1
      		result.fill(TEST_DEFAULT_FUEL_LEVEL);
    
      1
      		const long valuesCount = result.size();
    
      1
      		result[valuesCount - 3] = EXPECTED_FUEL_LEVEL_2;
    
      1
      		result[valuesCount - 2] = EXPECTED_FUEL_LEVEL_1;
    
      1
      		result[valuesCount - 1] = EXPECTED_FUEL_LEVEL_0;
    
      1
      		return result;
    
      	}
    
      4
      	TEST_F(FuelLevelFuncTest, checkConversion) {
    
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      1
      		EXPECT_EQ(convert(INPUT_VALUE_0), EXPECTED_FUEL_LEVEL_0);
    
      1
      		checkThatNewValueIsIgnoredDuringUpdatePeriod(EXPECTED_FUEL_LEVEL_0);
    
      1
      		advanceTimeUs(1);
    
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      1
      		EXPECT_EQ(convert(INPUT_VALUE_1), EXPECTED_FUEL_LEVEL_1);
    
      1
      		checkThatNewValueIsIgnoredDuringUpdatePeriod(EXPECTED_FUEL_LEVEL_1);
    
      1
      		advanceTimeUs(1);
    
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      1
      		EXPECT_EQ(convert(INPUT_VALUE_2), EXPECTED_FUEL_LEVEL_2);
    
      1
      		checkThatNewValueIsIgnoredDuringUpdatePeriod(EXPECTED_FUEL_LEVEL_2);
    
      1
      	}
    
      4
      	TEST_F(FuelLevelFuncTest, checkThresholds) {
    
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      1
      		EXPECT_EQ(convert(TEST_FUEL_LEVEL_LOW_THRESHOLD_VOLTAGE), TEST_DEFAULT_FUEL_LEVEL);
    
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      1
      		EXPECT_EQ(invalidConvert(TEST_FUEL_LEVEL_LOW_THRESHOLD_VOLTAGE - EPS5D), UnexpectedCode::Low);
    
      		// conversion result is not affected by previous successful conversion result:
    
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      1
      		EXPECT_EQ(convert(INPUT_VALUE_0), EXPECTED_FUEL_LEVEL_0);
    
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      1
      		EXPECT_EQ(invalidConvert(TEST_FUEL_LEVEL_HIGH_THRESHOLD_VOLTAGE + EPS5D), UnexpectedCode::High);
    
      		// conversion result is not affected by previous successful conversion result:
    
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      1
      		EXPECT_EQ(convert(TEST_FUEL_LEVEL_HIGH_THRESHOLD_VOLTAGE), EXPECTED_FUEL_LEVEL_0);
    
      1
      	}
    
      }

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1				//
2				// Created by kifir on 12/19/24.
3				//
4
5				#include "pch.h"
6
7				#include "util/test_base.h"
8
9				#include "fuel_level_func.h"
10
11				namespace {
12				constexpr float calculateNextFilteredValue(float currentFilteredValue, float newValue, float alpha) {
13				return currentFilteredValue + (newValue - currentFilteredValue) * alpha;
14				}
15
16				class FuelLevelFuncTest: public TestBase<> {
17				protected:
18				static constexpr float TEST_FUEL_LEVEL_UPDATE_PERIOD_SEC = 0.932f;
19				static constexpr float TEST_FUEL_LEVEL_UPDATE_PERIOD_USEC = static_cast<int>(
20				TEST_FUEL_LEVEL_UPDATE_PERIOD_SEC * 1000000.0f
21				);
22				static constexpr float TEST_FUEL_LEVEL_ALPHA = 0.17f;
23				static constexpr float TEST_FUEL_LEVEL_LOW_THRESHOLD_VOLTAGE = 0.01f;
24				static constexpr float TEST_FUEL_LEVEL_HIGH_THRESHOLD_VOLTAGE = 100.0f;
25
26				static constexpr uint8_t TEST_DEFAULT_FUEL_LEVEL = 12;
27
28				static constexpr float INPUT_VALUE_0 = 51.932f;
29				static constexpr float EXPECTED_FILTERED_VALUE_0 = INPUT_VALUE_0;
30				static constexpr uint8_t EXPECTED_FUEL_LEVEL_0 = 89;
31
32				static constexpr float INPUT_VALUE_1 = 1.932f;
33				static constexpr float EXPECTED_FILTERED_VALUE_1 =
34				calculateNextFilteredValue(EXPECTED_FILTERED_VALUE_0, INPUT_VALUE_1, TEST_FUEL_LEVEL_ALPHA);
35				static constexpr uint8_t EXPECTED_FUEL_LEVEL_1 = 78;
36
37				static constexpr float INPUT_VALUE_2 = INPUT_VALUE_1;
38				static constexpr float EXPECTED_FILTERED_VALUE_2 =
39				calculateNextFilteredValue(EXPECTED_FILTERED_VALUE_1, INPUT_VALUE_2, TEST_FUEL_LEVEL_ALPHA);
40				static constexpr uint8_t EXPECTED_FUEL_LEVEL_2 = 67;
41
42				static const FuelLevelBinsCurve TEST_FUEL_LEVEL_BINS;
43				static const FuelLevelValuesCurve TEST_FUEL_LEVEL_VALUES;
44
45				void SetUp() override;
46
47				float convert(float newValue);
48				UnexpectedCode invalidConvert(float newValue);
49
50				void checkThatNewValueIsIgnoredDuringUpdatePeriod(float previousValue);
51				private:
52				static FuelLevelBinsCurve getTestFuelLevelBins();
53				static FuelLevelValuesCurve getTestFuelLevelValues();
54				std::unique_ptr<FuelLevelFunc> m_fuelLevelFunc;
55				};
56
57				const FuelLevelBinsCurve FuelLevelFuncTest::TEST_FUEL_LEVEL_BINS = FuelLevelFuncTest::getTestFuelLevelBins();
58				const FuelLevelValuesCurve FuelLevelFuncTest::TEST_FUEL_LEVEL_VALUES = FuelLevelFuncTest::getTestFuelLevelValues();
59
60			2	void FuelLevelFuncTest::SetUp() {
61			2	TestBase::SetUp();
62
63	1/1 ✓ Branch 2 taken 2 times.		6	setUpEngineConfiguration(EngineConfig()
64	1/1 ✓ Branch 5 taken 2 times.		6	.setFuelLevelUpdatePeriodSec(TEST_FUEL_LEVEL_UPDATE_PERIOD_SEC)
65	1/1 ✓ Branch 4 taken 2 times.		8	.setFuelLevelAveragingAlpha(TEST_FUEL_LEVEL_ALPHA)
66	1/1 ✓ Branch 4 taken 2 times.		8	.setFuelLevelLowThresholdVoltage(TEST_FUEL_LEVEL_LOW_THRESHOLD_VOLTAGE)
67	1/1 ✓ Branch 4 taken 2 times.		8	.setFuelLevelHighThresholdVoltage(TEST_FUEL_LEVEL_HIGH_THRESHOLD_VOLTAGE)
68				);
69
70			2	getTestPersistentConfiguration().setFuelLevelBinsCurve(TEST_FUEL_LEVEL_BINS);
71			2	getTestPersistentConfiguration().setFuelLevelValuesCurve(TEST_FUEL_LEVEL_VALUES);
72
73	1/1 ✓ Branch 2 taken 2 times.		2	m_fuelLevelFunc = std::make_unique<FuelLevelFunc>();
74			2	}
75
76			12	float FuelLevelFuncTest::convert(const float newValue) {
77	1/1 ✓ Branch 3 taken 12 times.		12	const SensorResult result = m_fuelLevelFunc->convert(newValue);
78	1/6 ✗ Branch 3 not taken. ✓ Branch 4 taken 12 times. ✗ Branch 7 not taken. ✗ Branch 12 not taken. ✗ Branch 16 not taken. ✗ Branch 19 not taken.		12	EXPECT_TRUE(result.Valid);
79			12	return result.Value;
80				}
81
82			2	UnexpectedCode FuelLevelFuncTest::invalidConvert(const float newValue) {
83			2	const SensorResult result = m_fuelLevelFunc->convert(newValue);
84	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 2 times. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		2	EXPECT_FALSE(result.Valid);
85			2	return result.Code;
86				}
87
88			3	void FuelLevelFuncTest::checkThatNewValueIsIgnoredDuringUpdatePeriod(const float previousValue) {
89			3	advanceTimeUs(1);
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91
92			3	advanceTimeUs(TEST_FUEL_LEVEL_UPDATE_PERIOD_USEC - 1);
93	3/7 ✓ Branch 3 taken 3 times. ✓ Branch 6 taken 3 times. ✗ Branch 10 not taken. ✓ Branch 11 taken 3 times. ✗ Branch 14 not taken. ✗ Branch 19 not taken. ✗ Branch 22 not taken.		3	EXPECT_EQ(convert(11.1f), previousValue);
94			3	}
95
96			1	FuelLevelBinsCurve FuelLevelFuncTest::getTestFuelLevelBins() {
97				FuelLevelBinsCurve result;
98			1	const long binsCount = result.size();
99			1	float nextBin = 0.0f;
100				// Initialize first bins with arbitrary increasing values:
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102			5	nextBin += 0.1f;
103			5	result[i] = nextBin;
104				}
105			1	result[binsCount - 3] = EXPECTED_FILTERED_VALUE_2;
106			1	result[binsCount - 2] = EXPECTED_FILTERED_VALUE_1;
107			1	result[binsCount - 1] = EXPECTED_FILTERED_VALUE_0;
108
109				// Validate bins - they should be increasing
110			1	float latestBin = 0.0f;
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113			8	latestBin = bin;
114				}
115
116			1	return result;
117				}
118
119			1	FuelLevelValuesCurve FuelLevelFuncTest::getTestFuelLevelValues() {
120			1	FuelLevelValuesCurve result;
121	1/1 ✓ Branch 1 taken 1 time.		1	result.fill(TEST_DEFAULT_FUEL_LEVEL);
122			1	const long valuesCount = result.size();
123			1	result[valuesCount - 3] = EXPECTED_FUEL_LEVEL_2;
124			1	result[valuesCount - 2] = EXPECTED_FUEL_LEVEL_1;
125			1	result[valuesCount - 1] = EXPECTED_FUEL_LEVEL_0;
126			1	return result;
127				}
128
129			4	TEST_F(FuelLevelFuncTest, checkConversion) {
130	3/7 ✓ Branch 3 taken 1 time. ✓ Branch 6 taken 1 time. ✗ Branch 10 not taken. ✓ Branch 11 taken 1 time. ✗ Branch 14 not taken. ✗ Branch 19 not taken. ✗ Branch 22 not taken.		1	EXPECT_EQ(convert(INPUT_VALUE_0), EXPECTED_FUEL_LEVEL_0);
131			1	checkThatNewValueIsIgnoredDuringUpdatePeriod(EXPECTED_FUEL_LEVEL_0);
132
133			1	advanceTimeUs(1);
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135			1	checkThatNewValueIsIgnoredDuringUpdatePeriod(EXPECTED_FUEL_LEVEL_1);
136
137			1	advanceTimeUs(1);
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139			1	checkThatNewValueIsIgnoredDuringUpdatePeriod(EXPECTED_FUEL_LEVEL_2);
140			1	}
141
142			4	TEST_F(FuelLevelFuncTest, checkThresholds) {
143	3/7 ✓ Branch 3 taken 1 time. ✓ Branch 6 taken 1 time. ✗ Branch 10 not taken. ✓ Branch 11 taken 1 time. ✗ Branch 14 not taken. ✗ Branch 19 not taken. ✗ Branch 22 not taken.		1	EXPECT_EQ(convert(TEST_FUEL_LEVEL_LOW_THRESHOLD_VOLTAGE), TEST_DEFAULT_FUEL_LEVEL);
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145
146				// conversion result is not affected by previous successful conversion result:
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148
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150				// conversion result is not affected by previous successful conversion result:
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152			1	}
153				}
154