Validate addins files and display useful message

src/NUnitEngine/nunit.engine.core.tests/Internal/AddinsFileReaderTests.cs → src/NUnitEngine/nunit.engine.core.tests/Internal/AddinsFileTests.cs

@@ -5,28 +5,27 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Text;
 
 namespace NUnit.Engine.Internal.Tests
 {
     /// <summary>
-    /// Tests the implementation of <see cref="AddinsFileReader"/>.
+    /// Tests the implementation of <see cref="AddinsFile"/>.
     /// </summary>
     [TestFixture]
-    public class AddinsFileReaderTests
+    public class AddinsFileTests
     {
         [Test]
         public void Read_IFile_Null()
         {
-            var reader = new AddinsFileReader();
-
-            Assert.That(() => reader.Read((IFile)null), Throws.ArgumentNullException);
+            Assert.That(() => AddinsFile.Read((IFile)null), Throws.ArgumentNullException);
         }
 
         [Test]
         public void Read_Stream()
         {
-            var input = string.Join(Environment.NewLine, new string[]
+            var content = new[]
             {
                 "# This line is a comment and is ignored. The next (blank) line is ignored as well.",
                 "",
@@ -36,59 +35,59 @@ public void Read_Stream()
                 "some/other/directory/  # process another directory, which may contain its own addins file",
                 "# note that an absolute path is allowed, but is probably not a good idea in most cases",
                 "/unix/absolute/directory"
-            });
-
-            IEnumerable<string> result;
+            };
 
-            using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(input)))
+            using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(string.Join(Environment.NewLine, content))))
             {
-                // Act
-                result = AddinsFileReader.Read(stream);
+                var result = AddinsFile.Read(stream);
+
+                Assert.That(result, Has.Count.EqualTo(8));
+                for (int i = 0; i < 8; i++)
+                    Assert.That(result[i], Is.EqualTo(
+                        new AddinsFileEntry(i + 1, content[i])));
             }
+        }
 
-            Assert.That(result, Has.Count.EqualTo(5));
-            Assert.That(result, Contains.Item("*.dll"));
-            Assert.That(result, Contains.Item("addins/*.dll"));
-            Assert.That(result, Contains.Item("special/myassembly.dll"));
-            Assert.That(result, Contains.Item("some/other/directory/"));
-            Assert.That(result, Contains.Item("/unix/absolute/directory"));
+        [Test]
+        public void Read_InvalidEntry()
+        {
+            var content = "// This is not valid";
+            using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(content)))
+            {
+                Assert.That(() => AddinsFile.Read(stream), Throws.Exception);
+            }
         }
 
         [Test]
         [Platform("win")]
         public void Read_Stream_TransformBackslash_Windows()
         {
-            var input = string.Join(Environment.NewLine, new string[]
-            {
-                "c:\\windows\\absolute\\directory"
-            });
+            var content = "c:\\windows\\absolute\\directory";
 
-            IEnumerable<string> result;
-
-            using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(input)))
+            using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(content)))
             {
-                // Act
-                result = AddinsFileReader.Read(stream);
-            }
+                var result = AddinsFile.Read(stream);
 
-            Assert.That(result, Has.Count.EqualTo(1));
-            Assert.That(result, Contains.Item("c:/windows/absolute/directory"));
+                Assert.That(result, Has.Count.EqualTo(1));
+                Assert.That(result[0], Is.EqualTo(new AddinsFileEntry(1, content)));
+                Assert.That(result[0].Text, Is.EqualTo("c:/windows/absolute/directory"));
+            }
         }
 
         [Test]
         [Platform("linux,macosx,unix")]
         public void Read_Stream_TransformBackslash_NonWindows()
         {
-            IEnumerable<string> result;
+            var content = "this/is/a\\ path\\ with\\ spaces/";
 
-            using (var stream = new MemoryStream(Encoding.UTF8.GetBytes("this/is/a\\ path\\ with\\ spaces/")))
+            using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(content)))
             {
-                // Act
-                result = AddinsFileReader.Read(stream);
-            }
+                var result = AddinsFile.Read(stream);
 
-            Assert.That(result, Has.Count.EqualTo(1));
-            Assert.That(result, Contains.Item("this/is/a\\ path\\ with\\ spaces/"));
+                Assert.That(result, Has.Count.EqualTo(1));
+                Assert.That(result[0], Is.EqualTo(new AddinsFileEntry(1, content)));
+                Assert.That(result[0].Text, Is.EqualTo(content));
+            }
         }
     }
 }

src/NUnitEngine/nunit.engine.core.tests/Internal/PathUtilTests.cs

@@ -63,9 +63,36 @@ public void IsFullyQualifiedWindowsPath_PathIsNull()
         {
             Assert.That(() => PathUtils.IsFullyQualifiedWindowsPath(null), Throws.ArgumentNullException);
         }
+
+        [TestCase("X")]
+        [TestCase("X/")]
+        [TestCase("/X/")]
+        [TestCase("\\X\\")]
+        [TestCase("X/Y/Z")]
+        [TestCase("X/Y/Z/")]
+        [TestCase("/X/Y/Z")]
+        [TestCase("/X/Y/Z/")]
+        [TestCase("\\X\\Y\\Z\\")]
+        [TestCase("C:X/Y/Z/")]
+        [TestCase("C:/X/Y/Z")]
+        [TestCase("C:/X/Y/Z/")]
+        [TestCase("C:\\X\\Y\\Z\\")]
+        public void IsValidPath(string path)
+        {
+            Assert.That(PathUtils.IsValidPath(path), Is.True);
+        }
+
+        [TestCase(":")]
+        [TestCase("?")]
+        [TestCase("*")]
+        [TestCase("// Spurious comment")]
+        public void IsValidPath_Fails(string path)
+        {
+            Assert.That(PathUtils.IsValidPath(path), Is.False);
+        }
     }
 
-	[TestFixture]
+    [TestFixture]
 	public class PathUtilDefaultsTests : PathUtils
 	{
 		[Test]