从山证v2.3.0拷贝

2024-05-09 14:06:26 +08:00
parent 566ff33259
commit f9d8a256a6
4471 changed files with 1203456 additions and 9 deletions
@@ -0,0 +1,107 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using System.Linq;
+using System.Text;
+using YLErp.DBModels;
+
+namespace YLErp.Modules.EntityFrameworkTests
+{
+    [TestClass]
+    public class EntityFrameworkTest : YLUnitTestBase
+    {
+        [TestMethod("测试NULL引用")]
+        public void TestNullMap()
+        {
+            using (var db = DbContextFactory.GetYLDbContext())
+            {
+                var query = from t in db.trade
+                            join rr in db.realtime_trade_risk on t.id equals rr.TradeId into rrs
+                            from rr in rrs.DefaultIfEmpty()
+                            where t.id == 1
+                            select new
+                            {
+                                t.id,
+                                pv = rr.Pv
+                            };
+
+                var data = query.FirstOrDefault();
+
+                Assert.AreEqual(data.pv, null);
+            }
+        }
+
+        [TestMethod("获取可为空的列如何查询优化")]
+        public void TestNullableDate()
+        {
+            var log1 = new StringBuilder(500);
+            var log2 = new StringBuilder(500);
+            var date = DateTime.Today.AddDays(-30);
+            var predicate = PredicateBuilder.Create<ExchangeListOption>(n => n.MaturityDate > date);
+            using (var db = DbContextFactory.GetYLDbContext())
+            {
+                db.Database.Log = log => log1.AppendLine(log);
+                var data = db.exchange_list_option.Where(predicate).FirstOrDefault();
+            }
+
+            predicate = PredicateBuilder.Create<ExchangeListOption>(n => n.MaturityDate > date);
+            using (var db = DbContextFactory.GetYLDbContext())
+            {
+                db.Database.Log = log => log2.AppendLine(log);
+                var data = db.exchange_list_option.Where(predicate).FirstOrDefault();
+            }
+
+            Assert.AreNotEqual(log1.ToString(), log2.ToString());
+
+            //这个测试说明了和date类型的列进行比较的时候不会产生null处理,但最好linq中还是要使用value
+        }
+
+        [TestMethod("测试AutoMapper.ProjectTo")]
+        public void TestAutoMapper()
+        {
+
+        }
+
+        [TestMethod("测试复杂对象是否被跟踪")]
+        public void TestDataProxy()
+        {
+            var query = from a in DbContext.valuedate
+                        from b in DbContext.AppConfig
+                        where a.id == 1 && b.PGroup == "ProjectConfig" && b.PName == "Erp.VolMode"
+                        select new
+                        {
+                            a,
+                            b = new AppConfigDto
+                            {
+                                PValue = b.PValue,
+                                CreateTime = b.CreateTime
+                            }
+                        };
+
+            var item = query.FirstOrDefault();
+
+            var riskFreeRate = item.a.RiskFreeRate;
+
+            Assert.IsTrue(DbContext.Entry(item.a).State == System.Data.Entity.EntityState.Unchanged, "测试是否附加1");
+
+            item.a.RiskFreeRate = riskFreeRate + 1;
+
+            var state = DbContext.Entry(item.a).State;
+
+            Assert.IsTrue(state == System.Data.Entity.EntityState.Modified, "测试是否附加2");
+
+            var changes = DbContext.SaveChanges();
+
+            Assert.IsTrue(changes == 1, "测试是否附加3");
+
+            item.a.RiskFreeRate = riskFreeRate;
+
+            Assert.IsTrue(DbContext.Entry(item.a).State == System.Data.Entity.EntityState.Modified, "测试是否附加4");
+
+            changes = DbContext.SaveChanges();
+
+            Assert.IsTrue(changes == 1, "测试是否附加5");
+
+            //Assert.IsTrue(DbContext.Entry(item.b).State == System.Data.Entity.EntityState.Detached, "测试是否附加2");
+        }
+    }
+}