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单元测试意识与软件质量

发表于:2011-7-22 15:45

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 作者:傲雪凌峰    来源:51Testing软件测试网采编

  测试类:(ConnectionFactoryFixture.cs) 主要测试了CreateConnection这个方法的逻辑分支,以及抛出的各种异常。

using System;
using System.Text;
using System.Collections.Generic;
using NUnit.Framework;
using Microsoft.Practices.SmartClient.ConnectionMonitor.Implementations;

namespace Microsoft.Practices.SmartClient.ConnectionMonitor.Tests
{
    /// <summary>
    /// Summary description for ConnectionFactoryFixture
    /// </summary>
    [TestFixture]
    public class ConnectionFactoryFixture
    {
        public ConnectionFactoryFixture()
        {
        }

        [Test]
        public void CanCreateDesktopConnection()
        {
            Connection connection = ConnectionFactory.CreateConnection("DesktopConnection", 1);
            Assert.IsNotNull(connection);
            Assert.IsTrue(connection is DesktopConnection);
        }

        [Test]
        public void CanCreateNicConnection()
        {
            Connection connection = ConnectionFactory.CreateConnection("NicConnection", 1);
            Assert.IsNotNull(connection);
            Assert.IsTrue(connection is NicConnection);
        }


        [Test]
        public void CanCreateWirelessConnection()
        {
            Connection connection = ConnectionFactory.CreateConnection("WirelessConnection", 1);
            Assert.IsNotNull(connection);
            Assert.IsTrue(connection is WirelessConnection);
        }


        [Test]
        public void CanCreateWiredConnection()
        {
            Connection connection = ConnectionFactory.CreateConnection("WiredConnection", 1);
            Assert.IsNotNull(connection);
            Assert.IsTrue(connection is WiredConnection);
        }

        [Test]
        public void CanCreateMyCustomConnection()
        {
            Connection connection = ConnectionFactory.CreateConnection("Microsoft.Practices.SmartClient.ConnectionMonitor.Tests.MyCustomConnection,SmartClient.ConnectionMonitor.Tests", 1);
            Assert.IsNotNull(connection);
            Assert.IsTrue(connection is MyCustomConnection);
        }
       
        [Test]
        [ExpectedException(typeof(ConnectionMonitorException))]
        public void CreateConnectionThrowsWhenPassedBadType()
        {
            Connection connection = ConnectionFactory.CreateConnection("BadTypeName", 1);
        }
       
        [Test]
        [ExpectedException(typeof(ArgumentNullException))]
        public void CreateConnectionThrowsWhenPassedNullType()
        {
            Connection connection = ConnectionFactory.CreateConnection(null, 1);
        }

        [Test]
        [ExpectedException(typeof(ArgumentException))]
        public void CreateConnectionThrowsWhenPassedEmptyType()
        {
            Connection connection = ConnectionFactory.CreateConnection(String.Empty, 1);
        }

        [Test]
        [ExpectedException(typeof(ArgumentOutOfRangeException))]
        public void CreateConnectionThrowsWhenPassedNegativePrice()
        {
            Connection connection = ConnectionFactory.CreateConnection("WiredConnection", -1);
        }

    }
}

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