Mercurial > pub > bltoolkit
diff HowTo/Data/SetCommand.cs @ 0:f990fcb411a9
Копия текущей версии из github
author | cin |
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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(); + } + } + } +}