98 lines
3.8 KiB
C#
98 lines
3.8 KiB
C#
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using Microsoft.Data.Sqlite;
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using Microsoft.EntityFrameworkCore;
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namespace QWERTYkez.Mensura.Tests
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{
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public class TestEntity1
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{
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public int Id { get; set; }
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public Length Length { get; set; }
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}
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public class TestEntity2
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{
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public int Id { get; set; }
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public double Length { get; set; }
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}
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public class SharedDbContext(DbContextOptions<SharedDbContext> options) : DbContext(options)
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{
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public DbSet<TestEntity1> Entities1 { get; set; }
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public DbSet<TestEntity2> Entities2 { get; set; }
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protected override void ConfigureConventions(ModelConfigurationBuilder configurationBuilder)
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{
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configurationBuilder.UseMensuraUnits();
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}
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}
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public class IdentityConversionTest : IDisposable
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{
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private readonly SqliteConnection _connection;
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public IdentityConversionTest()
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{
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_connection = new SqliteConnection("Filename=:memory:");
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_connection.Open();
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}
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public void Dispose()
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{
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_connection?.Dispose();
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GC.SuppressFinalize(this);
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}
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[Fact]
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public void Length_And_Double_Are_Stored_Identically()
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{
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// 1. Сохраняем Length → читаем как double
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double savedDoubleFromLength;
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using (var context = new SharedDbContext(new DbContextOptionsBuilder<SharedDbContext>().UseSqlite(_connection).Options))
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{
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context.Database.EnsureCreated();
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var expectedLength = Length.Meter; // 1000 мм
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context.Entities1.Add(new TestEntity1 { Length = expectedLength });
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context.SaveChanges();
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using var cmd = context.Database.GetDbConnection().CreateCommand();
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cmd.CommandText = "SELECT Length FROM Entities1";
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savedDoubleFromLength = (double)cmd.ExecuteScalar()!;
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}
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// 2. Сохраняем double → читаем как Length
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double savedDoubleFromDouble = 1234.5;
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using (var context = new SharedDbContext(new DbContextOptionsBuilder<SharedDbContext>().UseSqlite(_connection).Options))
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{
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context.Database.EnsureCreated();
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context.Entities2.Add(new TestEntity2 { Length = savedDoubleFromDouble });
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context.SaveChanges();
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using var cmd = context.Database.GetDbConnection().CreateCommand();
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cmd.CommandText = "SELECT Length FROM Entities2";
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savedDoubleFromDouble = (double)cmd.ExecuteScalar()!; // должно быть 1234.5
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}
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// 3. Проверяем, что сырые значения сохранены корректно
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Assert.Equal(1000.0, savedDoubleFromLength);
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Assert.Equal(1234.5, savedDoubleFromDouble);
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// 4. Проверяем обратимость: читаем из Entities1 как TestEntity2
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using (var context = new SharedDbContext(new DbContextOptionsBuilder<SharedDbContext>().UseSqlite(_connection).Options))
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{
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var fromLengthTable = context.Entities2
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.FromSqlRaw("SELECT Id, Length FROM Entities1")
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.First();
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Assert.Equal(1000.0, fromLengthTable.Length);
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}
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// 5. Проверяем обратимость: читаем из Entities2 как TestEntity1
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using (var context = new SharedDbContext(new DbContextOptionsBuilder<SharedDbContext>().UseSqlite(_connection).Options))
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{
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var fromDoubleTable = context.Entities1
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.FromSqlRaw("SELECT Id, Length FROM Entities2")
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.First();
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Assert.Equal(1234.5, (double)fromDoubleTable.Length);
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}
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}
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}
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}
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