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Copy pathDataFileTypeTests.cs
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228 lines (187 loc) · 9.45 KB
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using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.IO;
using System.Threading.Tasks;
namespace ModerBox.Comtrade.Test {
/// <summary>
/// 数据文件类型测试 - IEC 60255-24:2013 第 7.4.9 节 和 第 8.6 节
/// 测试 ASCII, BINARY, BINARY32, FLOAT32 四种格式
/// </summary>
[TestClass]
public class DataFileTypeTests {
private string _testDir = null!;
[TestInitialize]
public void Setup() {
_testDir = Path.Combine(Path.GetTempPath(), "ComtradeTests", Guid.NewGuid().ToString());
Directory.CreateDirectory(_testDir);
}
[TestCleanup]
public void Cleanup() {
if (Directory.Exists(_testDir)) {
Directory.Delete(_testDir, true);
}
}
private string CreateCfgContent(string dataType) {
return $"Station,Device,1999\n" +
"2,2A,0D\n" +
"1,IA,A,,A,1,0,0,-32767,32767,100,1,S\n" +
"2,VA,A,,V,1,0,0,-32767,32767,100,1,S\n" +
"50\n" +
"1\n" +
"1000,3\n" +
"01/01/2024,00:00:00.000\n" +
"01/01/2024,00:00:00.000\n" +
dataType;
}
[TestMethod]
public async Task DataFileType_ASCII_ShouldBeRecognized() {
var cfgPath = Path.Combine(_testDir, "test.cfg");
var datPath = Path.Combine(_testDir, "test.dat");
await File.WriteAllTextAsync(cfgPath, CreateCfgContent("ASCII"));
await File.WriteAllTextAsync(datPath, "1,0,100,1000\n2,400,200,2000\n3,800,300,3000\n");
var info = await Comtrade.ReadComtradeCFG(cfgPath, allocateDataArrays: false);
Assert.AreEqual(DataFileType.ASCII, info.FileType);
Assert.AreEqual("ASCII", info.ASCII);
}
[TestMethod]
public async Task DataFileType_BINARY_ShouldBeRecognized() {
var cfgPath = Path.Combine(_testDir, "test.cfg");
var datPath = Path.Combine(_testDir, "test.dat");
await File.WriteAllTextAsync(cfgPath, CreateCfgContent("BINARY"));
// 创建 BINARY 格式 DAT 文件
using (var writer = new BinaryWriter(File.Open(datPath, FileMode.Create))) {
for (int i = 1; i <= 3; i++) {
writer.Write((uint)i); // 样本号 4字节
writer.Write((uint)(i * 400)); // 时间戳 4字节
writer.Write((short)(i * 100)); // IA 2字节
writer.Write((short)(i * 1000)); // VA 2字节
}
}
var info = await Comtrade.ReadComtradeCFG(cfgPath, allocateDataArrays: false);
Assert.AreEqual(DataFileType.BINARY, info.FileType);
}
[TestMethod]
public async Task DataFileType_BINARY32_ShouldBeRecognized() {
var cfgPath = Path.Combine(_testDir, "test.cfg");
var datPath = Path.Combine(_testDir, "test.dat");
await File.WriteAllTextAsync(cfgPath, CreateCfgContent("BINARY32"));
// 创建 BINARY32 格式 DAT 文件 (4字节整数)
using (var writer = new BinaryWriter(File.Open(datPath, FileMode.Create))) {
for (int i = 1; i <= 3; i++) {
writer.Write((uint)i); // 样本号 4字节
writer.Write((uint)(i * 400)); // 时间戳 4字节
writer.Write((int)(i * 100)); // IA 4字节整数
writer.Write((int)(i * 1000)); // VA 4字节整数
}
}
var info = await Comtrade.ReadComtradeCFG(cfgPath, allocateDataArrays: false);
Assert.AreEqual(DataFileType.BINARY32, info.FileType);
}
[TestMethod]
public async Task DataFileType_FLOAT32_ShouldBeRecognized() {
var cfgPath = Path.Combine(_testDir, "test.cfg");
var datPath = Path.Combine(_testDir, "test.dat");
await File.WriteAllTextAsync(cfgPath, CreateCfgContent("FLOAT32"));
// 创建 FLOAT32 格式 DAT 文件 (IEEE 754 单精度)
using (var writer = new BinaryWriter(File.Open(datPath, FileMode.Create))) {
for (int i = 1; i <= 3; i++) {
writer.Write((uint)i); // 样本号 4字节
writer.Write((uint)(i * 400)); // 时间戳 4字节
writer.Write((float)(i * 100.5f)); // IA 4字节浮点
writer.Write((float)(i * 1000.5f)); // VA 4字节浮点
}
}
var info = await Comtrade.ReadComtradeCFG(cfgPath, allocateDataArrays: false);
Assert.AreEqual(DataFileType.FLOAT32, info.FileType);
}
[TestMethod]
public async Task ReadBinaryData_ShouldApplyMultiplierAndOffset() {
var cfgPath = Path.Combine(_testDir, "test.cfg");
var datPath = Path.Combine(_testDir, "test.dat");
// 设置 a=2, b=10
var cfg = "Station,Device,1999\n" +
"1,1A,0D\n" +
"1,IA,A,,A,2,10,0,-32767,32767,100,1,S\n" +
"50\n" +
"1\n" +
"1000,2\n" +
"01/01/2024,00:00:00.000\n" +
"01/01/2024,00:00:00.000\n" +
"BINARY";
await File.WriteAllTextAsync(cfgPath, cfg);
using (var writer = new BinaryWriter(File.Open(datPath, FileMode.Create))) {
writer.Write((uint)1); writer.Write((uint)0);
writer.Write((short)100); // 原始值=100, 转换后=100*2+10=210
writer.Write((uint)2); writer.Write((uint)400);
writer.Write((short)200); // 原始值=200, 转换后=200*2+10=410
}
var info = await Comtrade.ReadComtradeAsync(cfgPath);
Assert.AreEqual(210, info.AData[0].Data[0], 0.001);
Assert.AreEqual(410, info.AData[0].Data[1], 0.001);
}
[TestMethod]
public async Task ReadBinary32Data_ShouldReadCorrectly() {
var cfgPath = Path.Combine(_testDir, "test.cfg");
var datPath = Path.Combine(_testDir, "test.dat");
var cfg = "Station,Device,1999\n" +
"1,1A,0D\n" +
"1,IA,A,,A,1,0,0,-2147483647,2147483647,100,1,S\n" +
"50\n" +
"1\n" +
"1000,2\n" +
"01/01/2024,00:00:00.000\n" +
"01/01/2024,00:00:00.000\n" +
"BINARY32";
await File.WriteAllTextAsync(cfgPath, cfg);
using (var writer = new BinaryWriter(File.Open(datPath, FileMode.Create))) {
writer.Write((uint)1); writer.Write((uint)0);
writer.Write((int)100000); // 大于 Int16.MaxValue
writer.Write((uint)2); writer.Write((uint)400);
writer.Write((int)-100000); // 小于 Int16.MinValue
}
var info = await Comtrade.ReadComtradeAsync(cfgPath);
Assert.AreEqual(100000, info.AData[0].Data[0], 0.001);
Assert.AreEqual(-100000, info.AData[0].Data[1], 0.001);
}
[TestMethod]
public async Task ReadFloat32Data_ShouldReadDirectValue() {
var cfgPath = Path.Combine(_testDir, "test.cfg");
var datPath = Path.Combine(_testDir, "test.dat");
// FLOAT32 格式不应用 a 和 b 因子，值直接存储
var cfg = "Station,Device,1999\n" +
"1,1A,0D\n" +
"1,IA,A,,A,1,0,0,-32767,32767,100,1,S\n" +
"50\n" +
"1\n" +
"1000,2\n" +
"01/01/2024,00:00:00.000\n" +
"01/01/2024,00:00:00.000\n" +
"FLOAT32";
await File.WriteAllTextAsync(cfgPath, cfg);
using (var writer = new BinaryWriter(File.Open(datPath, FileMode.Create))) {
writer.Write((uint)1); writer.Write((uint)0);
writer.Write(123.456f); // 直接存储浮点值
writer.Write((uint)2); writer.Write((uint)400);
writer.Write(-789.012f);
}
var info = await Comtrade.ReadComtradeAsync(cfgPath);
Assert.AreEqual(123.456, info.AData[0].Data[0], 0.001);
Assert.AreEqual(-789.012, info.AData[0].Data[1], 0.001);
}
[TestMethod]
public async Task DataFileType_CaseInsensitive_ShouldWork() {
var cfgPath = Path.Combine(_testDir, "test.cfg");
var datPath = Path.Combine(_testDir, "test.dat");
await File.WriteAllTextAsync(cfgPath, CreateCfgContent("binary32")); // 小写
using (var writer = new BinaryWriter(File.Open(datPath, FileMode.Create))) {
for (int i = 1; i <= 3; i++) {
writer.Write((uint)i);
writer.Write((uint)(i * 400));
writer.Write((int)(i * 100));
writer.Write((int)(i * 1000));
}
}
var info = await Comtrade.ReadComtradeCFG(cfgPath, allocateDataArrays: false);
Assert.AreEqual(DataFileType.BINARY32, info.FileType);
}
}
}