Visualizing Project Dependencies Automatically

using System;
using System.Collections.Generic;
using System.Text;

using NUnit.Framework;
using CompanyName.DependencyTracker;

namespace TestDependencyFinder
{
    [TestFixture]
    public class TestDependencyFinder
    {
        [Test]
        [ExpectedException(typeof(System.IO.DirectoryNotFoundException))]
        public void TestNotFound()
        {
            new DependencyFinder(@"Z:\xyz").GetAllProjects();
        }

        [Test]
        public void TestOneFound()
        {
            DependencyFinder finder = new DependencyFinder(@"..\..\..\SampleProjects\Applications");
            ProjectList projects = finder.GetAllProjects();

            Assert.AreEqual(1, projects.Count);
            Assert.AreEqual(projects.ToString(), "Application1"); 
        }

        [Test]
        public void TestTwoFound()
        {
            DependencyFinder finder = new DependencyFinder(@"..\..\..\SampleProjects\LibraryCode");
            ProjectList projects = finder.GetAllProjects();

            Assert.AreEqual(2, projects.Count);
            Assert.AreEqual(projects.ToString(), "CommonLibrary1, BusinessObject1");
        }

        [Test]
        public void TestOneDependency()
        {
            DependencyFinder finder = new DependencyFinder(@"..\..\..\SampleProjects\LibraryCode\BusinessObject1");
            ProjectList projects = finder.GetAllProjects();

            Assert.AreEqual(1, projects.Count);
            Assert.AreEqual(projects.ToString(), "BusinessObject1");
            Assert.AreEqual(1, projects[0].ReferencedProjects.Count); //references library
            Assert.AreEqual(0, projects[0].ReferencedProjects[0].ReferencedProjects.Count); //library refers to nothing
        }

        [Test]
        public void TestNestedDependency()
        {
            DependencyFinder finder = new DependencyFinder(@"..\..\..\SampleProjects\Applications\Application1");
            ProjectList projects = finder.GetAllProjects();

            Assert.AreEqual(1, projects.Count);
            Assert.AreEqual(projects.ToString(), "Application1");
            Assert.AreEqual(2, projects[0].ReferencedProjects.Count); //references businessobjects and library
            Assert.AreEqual(1, projects[0].ReferencedProjects[0].ReferencedProjects.Count); //busobjs referes to library
        }

        [Test]
        public void TestVisualizeAll() //visualize it, can't really unit test this so output and verify its there
        {
            DependencyFinder finder = new DependencyFinder(@"..\..\..\SampleProjects");
            string TempOutFile = @"..\..\..\SampleProjects\AllCode.jpg"; //System.IO.Path.GetTempFileName();
            finder.VisualizeProjects(TempOutFile);

            Assert.IsTrue(System.IO.File.Exists(TempOutFile));
            System.IO.File.Delete(TempOutFile);
        }

        [Test]
        public void TestVisualizeLibraryCode() //visualize it, can't really unit test this so output and verify its there
        {
            DependencyFinder finder = new DependencyFinder(@"..\..\..\SampleProjects\LibraryCode");
            string TempOutFile = @"..\..\..\SampleProjects\AllLibraryCode.jpg"; //System.IO.Path.GetTempFileName();
            finder.VisualizeProjects(TempOutFile);

            Assert.IsTrue(System.IO.File.Exists(TempOutFile));
            System.IO.File.Delete(TempOutFile);
        }
    }
}