71 lines
3.1 KiB
C#
71 lines
3.1 KiB
C#
using BmsMonitor.App.Can;
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using BmsMonitor.App.Protocol;
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namespace BmsMonitor.Tests;
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public sealed class BmsProtocolParserTests
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{
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private readonly BmsProtocolParser _parser = new();
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[Fact]
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public void StatusFrame_DecodesValuesFaultsAndState()
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{
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var frame = Frame(BmsProtocolParser.StatusFrameId, 0x0F, 0xA0, 0x10, 0xD1, 80, 0x12, 0x04, 3);
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Assert.True(_parser.TryApply(frame, new BmsSnapshot(), out var result));
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Assert.Equal(400.0, result.PackVoltage); Assert.Equal(-69.5, result.PackCurrent);
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Assert.Equal(100, result.Soc); Assert.Equal("高压", result.State);
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Assert.Contains("单体过压", result.Faults!); Assert.Contains("单体过温", result.Faults!); Assert.Contains("预充失败", result.Faults!);
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}
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[Fact]
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public void ExtremesFrame_DecodesBigEndianAndOffsets()
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{
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var frame = Frame(BmsProtocolParser.ExtremesFrameId, 0x10, 0x04, 0x0C, 0xE4, 63, 23, 0x00, 0x7B);
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Assert.True(_parser.TryApply(frame, new BmsSnapshot(), out var result));
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Assert.Equal(4.1, result.MaximumCellVoltage); Assert.Equal(3.3, result.MinimumCellVoltage);
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Assert.Equal(23, result.MaximumTemperature); Assert.Equal(-17, result.MinimumTemperature); Assert.Equal(12.3, result.LowVoltageBattery);
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}
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[Fact]
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public void ActualStandardStatusFrame_DecodesUsingDocumentLayout()
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{
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var frame = new CanFrame(BmsProtocolParser.ActualStatusFrameId, false,
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new byte[] { 0x02, 0x21, 0x13, 0x88, 100, 0x48, 0x01, 5 }, DateTime.Now);
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Assert.True(_parser.TryApply(frame, new BmsSnapshot(), out var result));
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Assert.Equal(54.5, result.PackVoltage);
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Assert.Equal(0, result.PackCurrent);
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Assert.Equal(80, result.Soc);
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Assert.Equal("故障", result.State);
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}
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[Fact]
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public void ActualCellFrames_DecodeSixteenBitValuesAndMissingChannels()
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{
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var frame = new CanFrame(0x150, false,
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new byte[] { 0x98, 0xF3, 0x98, 0xF1, 0xFF, 0xFE, 0x99, 0x13 }, DateTime.Now);
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Assert.True(_parser.TryApply(frame, new BmsSnapshot(), out var result));
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Assert.Equal(3.9155, result.CellVoltages![0]);
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Assert.Equal(3.9153, result.CellVoltages[1]);
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Assert.Null(result.CellVoltages[2]);
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Assert.Equal(3.9187, result.CellVoltages[3]);
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Assert.Equal(3.9187, result.MaximumCellVoltage);
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Assert.Equal(3.9153, result.MinimumCellVoltage);
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}
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[Fact]
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public void TemperatureFrame_AddsOffsetsToThirdAndEighthInputs()
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{
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var frame = new CanFrame(BmsProtocolParser.TemperatureFrameId, false,
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new byte[] { 0x42, 0xFF, 0x43, 0x43, 0x42, 0x42, 0x43, 0x43 }, DateTime.Now);
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Assert.True(_parser.TryApply(frame, new BmsSnapshot(), out var result));
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Assert.Equal(26, result.Temperatures![0]);
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Assert.Null(result.Temperatures[1]);
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Assert.Equal(27.3, result.Temperatures[8]);
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Assert.Equal(27.5, result.Temperatures[9]);
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Assert.Equal(27, result.MaximumTemperature);
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Assert.Equal(26, result.MinimumTemperature);
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}
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private static CanFrame Frame(uint id, params byte[] data) => new(id, true, data, DateTime.Now);
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}
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