diff HowTo/Data/SetCommand.cs @ 0:f990fcb411a9

Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HowTo/Data/SetCommand.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,144 @@
+using System;
+using System.Collections.Generic;
+
+using NUnit.Framework;
+
+using BLToolkit.Data;
+using BLToolkit.Mapping;
+
+namespace HowTo.Data
+{
+	using DataAccess;
+
+	[TestFixture]
+	public class SetCommand
+	{
+		// Select a person list.
+		//
+		public IList<Person> GetPersonList()
+		{
+			using (DbManager db = new DbManager())
+			{
+				return db
+					./*[a]*/SetCommand/*[/a]*/("SELECT * FROM Person")
+					.ExecuteList<Person>();
+			}
+		}
+
+		[Test]
+		public void Test1()
+		{
+			IList<Person> list = GetPersonList();
+
+			Assert.AreNotEqual(0, list.Count);
+		}
+
+		// Select a person.
+		//
+		public Person GetPersonByID(int id)
+		{
+			using (DbManager db = new DbManager())
+			{
+				return db
+					./*[a]*/SetCommand/*[/a]*/("SELECT * FROM Person WHERE PersonID = @id",
+						db./*[a]*/Parameter/*[/a]*/("@id", id))
+					.ExecuteObject<Person>();
+			}
+		}
+
+		[Test]
+		public void Test2()
+		{
+			Person person = GetPersonByID(1);
+
+			Assert.IsNotNull(person);
+		}
+
+		// Insert, Update, and Delete a person.
+		//
+		public Person GetPersonByID(DbManager db, int id)
+		{
+			return db
+				./*[a]*/SetCommand/*[/a]*/("SELECT * FROM Person WHERE PersonID = @id",
+					db./*[a]*/Parameter/*[/a]*/("@id", id))
+				.ExecuteObject<Person>();
+		}
+
+		public Person CreatePerson(DbManager db)
+		{
+			int id = db
+				./*[a]*/SetCommand/*[/a]*/(@"
+					INSERT INTO Person ( LastName,  FirstName,  Gender)
+					VALUES             (@LastName, @FirstName, @Gender)
+
+					SELECT Cast(SCOPE_IDENTITY() as int) PersonID",
+					db./*[a]*/Parameter/*[/a]*/("@LastName",  "Frog"),
+					db./*[a]*/Parameter/*[/a]*/("@FirstName", "Crazy"),
+					db./*[a]*/Parameter/*[/a]*/("@Gender",    Map.EnumToValue(Gender.Male)))
+				.ExecuteScalar<int>();
+
+			return GetPersonByID(db, id);
+		}
+
+		public Person UpdatePerson(DbManager db, Person person)
+		{
+			db
+				./*[a]*/SetCommand/*[/a]*/(@"
+					UPDATE
+						Person
+					SET
+						LastName   = @LastName,
+						FirstName  = @FirstName,
+						Gender     = @Gender
+					WHERE
+						PersonID = @PersonID",
+					db./*[a]*/CreateParameters/*[/a]*/(person))
+				.ExecuteNonQuery();
+
+			return GetPersonByID(db, person.ID);
+		}
+
+		public Person DeletePerson(DbManager db, Person person)
+		{
+			db
+				./*[a]*/SetCommand/*[/a]*/("DELETE FROM Person WHERE PersonID = @id",
+					db./*[a]*/Parameter/*[/a]*/("@id", person.ID))
+				.ExecuteNonQuery();
+
+			return GetPersonByID(db, person.ID);
+		}
+
+		[Test]
+		public void Test3()
+		{
+			using (DbManager db = new DbManager())
+			{
+				db.BeginTransaction();
+
+				// Insert.
+				//
+				Person person = CreatePerson(db);
+
+				Assert.IsNotNull(person);
+
+				// Update.
+				//
+				Assert.AreEqual(Gender.Male, person.Gender);
+
+				person.Gender = Gender.Female;
+
+				person = UpdatePerson(db, person);
+
+				Assert.AreEqual(Gender.Female, person.Gender);
+
+				// Delete.
+				//
+				person = DeletePerson(db, person);
+
+				Assert.IsNull(person);
+
+				db.CommitTransaction();
+			}
+		}
+	}
+}