249 lines
10 KiB
C#
249 lines
10 KiB
C#
/*
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* DynamORM - Dynamic Object-Relational Mapping library.
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* Copyright (c) 2012-2026, Grzegorz Russek (grzegorz.russek@gmail.com)
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* All rights reserved.
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*/
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using System.Linq;
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using System.Text.RegularExpressions;
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using DynamORM.Tests.Helpers;
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using DynamORM.TypedSql;
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using NUnit.Framework;
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namespace DynamORM.Tests.TypedSql
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{
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[TestFixture]
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public class TypedSqlDslTests : TestsBase
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{
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private static string NormalizeSql(string sql)
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{
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int index = 0;
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return Regex.Replace(sql, @"\[\$[^\]]+\]", m => string.Format("[${0}]", index++));
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}
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[SetUp]
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public void SetUp()
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{
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CreateTestDatabase();
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CreateDynamicDatabase(
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DynamicDatabaseOptions.SingleConnection |
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DynamicDatabaseOptions.SingleTransaction |
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DynamicDatabaseOptions.SupportLimitOffset |
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DynamicDatabaseOptions.SupportNoLock);
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}
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[TearDown]
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public void TearDown()
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{
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DestroyDynamicDatabase();
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DestroyTestDatabase();
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}
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[Test]
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public void TestSelectSqlWithFunctionsAndOrdering()
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{
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var cmd = Database.FromTyped<TypedFluentUser>("u")
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.SelectSql(
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u => Sql.Count().As("cnt"),
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u => Sql.Coalesce<string>(u.Col(x => x.Code), Sql.Val("N/A")).As("code_value"))
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.GroupBySql(u => Sql.Coalesce<string>(u.Col(x => x.Code), Sql.Val("N/A")))
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.HavingSql(u => Sql.Count().Gt(1))
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.OrderBySql(u => Sql.Count().Desc());
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Assert.AreEqual(
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"SELECT COUNT(*) AS \"cnt\", COALESCE(u.\"user_code\", [$0]) AS \"code_value\" FROM \"sample_users\" AS u GROUP BY COALESCE(u.\"user_code\", [$1]) HAVING (COUNT(*) > [$2]) ORDER BY COUNT(*) DESC",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestSelectSqlWithCase()
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{
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var cmd = Database.FromTyped<TypedFluentUser>("u")
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.SelectSql(u => Sql.Case<string>()
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.When(u.Col(x => x.Code).Eq("A"), "Alpha")
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.When(u.Col(x => x.Code).Eq("B"), "Beta")
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.Else("Other")
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.As("category"));
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Assert.AreEqual(
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"SELECT CASE WHEN (u.\"user_code\" = [$0]) THEN [$1] WHEN (u.\"user_code\" = [$2]) THEN [$3] ELSE [$4] END AS \"category\" FROM \"sample_users\" AS u",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestJoinOnSql()
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{
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var cmd = Database.FromTyped<TypedFluentUser>("u")
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.Join<TypedFluentUser>(j => j.Left().As("x").OnSql((l, r) => l.Col(a => a.Id).Eq(r.Col(a => a.Id)).And(r.Col(a => a.Code).IsNotNull())))
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.SelectSql(u => u.Col(x => x.Id));
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Assert.AreEqual("SELECT u.\"id_user\" FROM \"sample_users\" AS u LEFT JOIN \"sample_users\" AS x ON ((u.\"id_user\" = x.\"id_user\") AND (x.\"user_code\" IS NOT NULL))",
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cmd.CommandText());
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}
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[Test]
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public void TestUpdateSetSqlAndWhereSql()
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{
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var cmd = Database.UpdateTyped<Users>()
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.SetSql(u => u.Code, u => Sql.Coalesce<string>(Sql.Val("900"), u.Col(x => x.Code)))
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.WhereSql(u => u.Col(x => x.Id).Eq(1).And(u.Col(x => x.Code).IsNotNull()));
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Assert.AreEqual(
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"UPDATE \"sample_users\" SET \"code\" = COALESCE([$0], \"code\") WHERE ((\"id\" = [$1]) AND (\"code\" IS NOT NULL))",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestInsertSqlSupportsCase()
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{
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var cmd = Database.InsertTyped<Users>()
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.InsertSql(u => u.Code, u => Sql.Coalesce<string>(Sql.Val("901"), Sql.Val("fallback")))
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.InsertSql(u => u.First, u => Sql.Case<string>().When(Sql.Val(1).Eq(1), "Typed").Else("Other"));
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Assert.AreEqual(
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"INSERT INTO \"sample_users\" (\"code\", \"first\") VALUES (COALESCE([$0], [$1]), CASE WHEN ([$2] = [$3]) THEN [$4] ELSE [$5] END)",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestDeleteWhereSql()
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{
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var cmd = Database.DeleteTyped<Users>()
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.WhereSql(u => u.Col(x => x.Id).Eq(2).And(u.Col(x => x.Code).NotEq("X")));
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Assert.AreEqual(
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"DELETE FROM \"sample_users\" WHERE ((\"id\" = [$0]) AND (\"code\" <> [$1]))",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestWhereSqlSupportsLikeInAndBetween()
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{
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var cmd = Database.FromTyped<TypedFluentUser>("u")
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.WhereSql(u => u.Col(x => x.Code).Like("A%")
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.And(u.Col(x => x.Id).In(1, 2, 3))
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.And(u.Col(x => x.Id).Between(1, 10)))
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.SelectSql(u => u.Col(x => x.Id));
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Assert.AreEqual(
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"SELECT u.\"id_user\" FROM \"sample_users\" AS u WHERE (((u.\"user_code\" LIKE [$0]) AND (u.\"id_user\" IN([$1], [$2], [$3]))) AND (u.\"id_user\" BETWEEN [$4] AND [$5]))",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestWhereSqlSupportsEmptyIn()
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{
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var cmd = Database.FromTyped<TypedFluentUser>("u")
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.WhereSql(u => u.Col(x => x.Id).In(new int[0]))
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.SelectSql(u => u.Col(x => x.Id));
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Assert.AreEqual(
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"SELECT u.\"id_user\" FROM \"sample_users\" AS u WHERE (1 = 0)",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestSelectSqlSupportsStandardFunctions()
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{
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var cmd = Database.FromTyped<TypedFluentUser>("u")
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.SelectSql(
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u => Sql.Sum<int>(u.Col(x => x.Id)).As("sum_id"),
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u => Sql.Avg<int>(u.Col(x => x.Id)).As("avg_id"),
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u => Sql.Min<int>(u.Col(x => x.Id)).As("min_id"),
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u => Sql.Max<int>(u.Col(x => x.Id)).As("max_id"),
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u => Sql.Abs<int>(Sql.Val(-5)).As("abs_value"),
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u => Sql.Upper(u.Col(x => x.Code)).As("upper_code"),
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u => Sql.Lower(u.Col(x => x.Code)).As("lower_code"),
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u => Sql.Trim(u.Col(x => x.Code)).As("trim_code"),
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u => Sql.Length(u.Col(x => x.Code)).As("len_code"),
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u => Sql.NullIf<string>(u.Col(x => x.Code), Sql.Val("X")).As("nullif_code"),
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u => Sql.CurrentTimestamp().As("ts"));
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Assert.AreEqual(
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"SELECT SUM(u.\"id_user\") AS \"sum_id\", AVG(u.\"id_user\") AS \"avg_id\", MIN(u.\"id_user\") AS \"min_id\", MAX(u.\"id_user\") AS \"max_id\", ABS([$0]) AS \"abs_value\", UPPER(u.\"user_code\") AS \"upper_code\", LOWER(u.\"user_code\") AS \"lower_code\", TRIM(u.\"user_code\") AS \"trim_code\", LENGTH(u.\"user_code\") AS \"len_code\", NULLIF(u.\"user_code\", [$1]) AS \"nullif_code\", CURRENT_TIMESTAMP AS \"ts\" FROM \"sample_users\" AS u",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestSelectSqlSupportsCustomFunction()
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{
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var cmd = Database.FromTyped<TypedFluentUser>("u")
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.SelectSql(u => Sql.Func<string>("CUSTOM_FUNC", u.Col(x => x.Code), Sql.Val(5)).As("custom_value"));
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Assert.AreEqual(
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"SELECT CUSTOM_FUNC(u.\"user_code\", [$0]) AS \"custom_value\" FROM \"sample_users\" AS u",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestSelectSqlSupportsScalarSubQuery()
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{
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var sq = Database.From(x => x.sample_users.As("x"))
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.Select(x => x.x.id_user)
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.Where(x => x.x.user_code == "A");
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var cmd = Database.FromTyped<TypedFluentUser>("u")
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.SelectSql(u => Sql.SubQuery<long>(sq).As("sub_id"));
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Assert.AreEqual(
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"SELECT (SELECT x.\"id_user\" FROM \"sample_users\" AS x WHERE (x.\"user_code\" = [$0])) AS \"sub_id\" FROM \"sample_users\" AS u",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestWhereSqlSupportsExists()
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{
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var sq = Database.From(x => x.sample_users.As("x"))
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.Select(x => x.x.id_user)
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.Where(x => x.x.user_code == "A");
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var cmd = Database.FromTyped<TypedFluentUser>("u")
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.WhereSql(u => Sql.Exists(sq))
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.SelectSql(u => u.Col(x => x.Id));
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Assert.AreEqual(
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"SELECT u.\"id_user\" FROM \"sample_users\" AS u WHERE (EXISTS (SELECT x.\"id_user\" FROM \"sample_users\" AS x WHERE (x.\"user_code\" = [$0])))",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestInsertSqlObjectProjection()
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{
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var sq = Database.From(x => x.sample_users.As("x"))
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.Select(x => x.x.user_code)
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.Where(x => x.x.id_user == 1);
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var cmd = Database.InsertTyped<Users>()
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.InsertSql(u => new
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{
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Code = Sql.SubQuery<string>(sq),
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First = Sql.Upper(Sql.Val("typed"))
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});
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Assert.AreEqual(
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"INSERT INTO \"sample_users\" (\"code\", \"first\") VALUES ((SELECT x.\"user_code\" FROM \"sample_users\" AS x WHERE (x.\"id_user\" = [$0])), UPPER([$1]))",
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NormalizeSql(cmd.CommandText()));
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}
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[Test]
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public void TestUpdateSqlObjectProjection()
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{
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var sq = Database.From(x => x.sample_users.As("x"))
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.Select(x => x.x.user_code)
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.Where(x => x.x.id_user == 1);
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var cmd = Database.UpdateTyped<Users>()
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.SetSql(u => new
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{
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Code = Sql.SubQuery<string>(sq),
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First = Sql.Lower(Sql.Val("TYPED"))
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})
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.WhereSql(u => u.Col(x => x.Id).Eq(1));
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Assert.AreEqual(
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"UPDATE \"sample_users\" SET \"code\" = (SELECT x.\"user_code\" FROM \"sample_users\" AS x WHERE (x.\"id_user\" = [$0])), \"first\" = LOWER([$1]) WHERE (\"id\" = [$2])",
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NormalizeSql(cmd.CommandText()));
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}
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}
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}
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