blob: cf6b19b08f1a72105447b2dbc0f60da9dc76ce3a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
* Copyright 2024 jacqueline <me@jacqueline.id.au>
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#include "battery/battery.hpp"
#include <cstdint>
#include <memory>
#include "catch2/catch.hpp"
#include "drivers/adc.hpp"
#include "i2c_fixture.hpp"
namespace battery {
class FakeAdc : public drivers::AdcBattery {
private:
uint32_t mv_;
public:
virtual auto Millivolts() -> uint32_t override { return mv_; }
auto Millivolts(uint32_t mv) -> void { mv_ = mv; }
};
TEST_CASE("battery charge state", "[unit]") {
I2CFixture i2c;
std::unique_ptr<drivers::NvsStorage> nvs{drivers::NvsStorage::OpenSync()};
// FIXME: mock the SAMD21 as well.
auto samd = std::make_unique<drivers::Samd>(*nvs);
FakeAdc* adc = new FakeAdc{}; // Freed by Battery.
Battery battery{*samd, std::unique_ptr<drivers::AdcBattery>{adc}};
SECTION("full charge is 100%") {
// NOTE: in practice, our curve-fitting slightly undershoots
adc->Millivolts(4210);
battery.Update();
auto state = battery.State();
REQUIRE(state.has_value());
REQUIRE(state->percent == 100);
}
SECTION("empty charge is 0%") {
adc->Millivolts(3000);
battery.Update();
auto state = battery.State();
REQUIRE(state.has_value());
REQUIRE(state->percent == 0);
}
SECTION("overcharge is clamped to 100%") {
adc->Millivolts(5000);
battery.Update();
auto state = battery.State();
REQUIRE(state.has_value());
REQUIRE(state->percent == 100);
}
}
} // namespace battery
|
