DataAccessMethod Sabit Listesi

Makale
11/18/2012

Verilere sınama veri satırlarını nasıl erişilir gösteren sabitleri belirtir.

Ad alanı: Microsoft.VisualStudio.TestTools.UnitTesting
Derleme: Microsoft.VisualStudio.QualityTools.UnitTestFramework (Microsoft.VisualStudio.QualityTools.UnitTestFramework.dll içinde)

Sözdizimi

'Bildirim
Public Enumeration DataAccessMethod

public enum DataAccessMethod

public enum class DataAccessMethod

type DataAccessMethod

public enum DataAccessMethod

Üyeler

	Üye adı	Açıklama
	Sequential	Satırlar sırayla döndürülür.
	Random	Satır rastgele sırayla döndürülür.

Örnekler

Sınıf ve test yöntemi şu kodu içerir.

using System;

namespace BankAccountNS
{
    public class BankAccount
    {
        private string custName;
        private double bal;

        public BankAccount(string customerName, double balance)
        {
            custName = customerName;
            bal = balance;
        }

        public double Balance
        { get { return bal; } }

        public void Debit(double amount)
        {
            if (amount < 0)
                throw new ArgumentOutOfRangeException("amount");
            bal -= amount;
        }
    }
}

Imports System

Namespace BankAccountNS
    Public Class BankAccount
        Private customerName As String
        Private bal As Double

        Public Sub New(ByVal customerName2 As String, ByVal balance As Double)
            customerName = customerName2
            bal = balance
        End Sub

        Public ReadOnly Property Balance() As Double
            Get
                Return bal
            End Get
        End Property

        Public Sub Debit(ByVal amount As Double)
            If amount < 0 Then
                Throw New ArgumentOutOfRangeException("amount")
            End If
            bal -= amount
        End Sub
    End Class
End Namespace

Aşağıdaki sınama geçirir.Bu bilgiler sample.mdb access veritabanını kullanır.

Ad	Bakiye	Tutar
Jorg Bott	100	25
Pedro Ruivo	70	60
Mandar Samant	75	71.25
Reha King	159	158
Haz Cao	11.99	11.22

Dikkat DataAccessMethod ardışık değil.

using Microsoft.VisualStudio.TestTools.UnitTesting;
using BankAccountNS;
using System;

namespace MyCSTestProject
{
    [TestClass()]
    public class BankAccountTest
    {
        private TestContext testContextInstance;
        public TestContext TestContext
        {
            get { return testContextInstance; }
            set { testContextInstance = value; }
        }

        [TestMethod()]
        [DataSource("System.Data.OleDb",
           "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\"C:\\sample.mdb\"",
           "Table1",
           DataAccessMethod.Sequential)]
        public void DebitTest()
        {
            string customerName = testContextInstance.DataRow["Name"].ToString();

            double bal = Convert.ToDouble(testContextInstance.DataRow["Balance"]);
            double amt = Convert.ToDouble(testContextInstance.DataRow["Amount"]);

            double newBalance = bal - amt;

            BankAccount target = new BankAccount(customerName, bal);
            target.Debit(amt);

            Assert.AreEqual(newBalance, target.Balance, .00);
        }
    }
}

Imports Microsoft.VisualStudio.TestTools.UnitTesting
Imports BankAccountNS
Imports System

Namespace TestProject1
    <TestClass()> _
    Public Class BankAccountTest

        Private testContextInstance As TestContext
        Public Property TestContext() As TestContext
            Get
                Return testContextInstance
            End Get
            Set(ByVal Value As TestContext)
                testContextInstance = Value
            End Set
        End Property

        <TestMethod()> _
        <DataSource("System.Data.OleDb", _
        "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=""D:\sample.mdb""", _
        "Table1", DataAccessMethod.Sequential)> _
        Public Sub DebitTest()
            Dim customerName As String = testContextInstance.DataRow("Name").ToString()

            Dim balance As Double = Convert.ToDouble(testContextInstance.DataRow("Balance"))
            Dim amount As Double = Convert.ToDouble(testContextInstance.DataRow("Amount"))

            Dim NewBalance As Double = balance - amount

            Dim target As BankAccount = New BankAccount(customerName, balance)
            target.Debit(amount)

            Assert.AreEqual(NewBalance, target.Balance, 0.0)
        End Sub
    End Class
End Namespace

Ayrıca bkz.

Başvuru

Microsoft.VisualStudio.TestTools.UnitTesting Ad Alanı

Diğer Kaynaklar

Data-Driven Unit Tests

Nasıl yapılır: veri güdümlü birim test oluşturma

How to: Configure a Data-Driven Unit Test

Aracılığıyla paylaş