refactored GetFormatsDirectory() to GetInputImagesDirectoryFullPath()

tests/ImageSharp.Tests/TestFile.cs

@@ -27,7 +27,7 @@ namespace ImageSharp.Tests
         /// <summary>
         /// The formats directory.
         /// </summary>
-        private static readonly string FormatsDirectory = GetFormatsDirectory();
+        private static readonly string FormatsDirectory = TestEnvironment.GetInputImagesDirectoryFullPath();
 
         /// <summary>
         /// The image.
@@ -143,57 +143,5 @@ namespace ImageSharp.Tests
         {
             return Image.Load<Rgba32>(this.Bytes, options);
         }
-
-        /// <summary>
-        /// Gets the correct path to the formats directory.
-        /// </summary>
-        /// <returns>
-        /// The <see cref="string"/>.
-        /// </returns>
-        private static string GetFormatsDirectory()
-        {
-            List<string> directories = new List< string > {
-                 "TestImages/Formats/", // Here for code coverage tests.
-                  "tests/ImageSharp.Tests/TestImages/Formats/", // from travis/build script
-                  "../../../../../ImageSharp.Tests/TestImages/Formats/", // from Sandbox46
-                  "../../../../TestImages/Formats/",
-                  "../../../TestImages/Formats/"
-            };
-
-            directories = directories.SelectMany(x => new[]
-                                     {
-                                         Path.GetFullPath(x)
-                                     }).ToList();
-
-            AddFormatsDirectoryFromTestAssebmlyPath(directories);
-
-            string directory = directories.FirstOrDefault(x => Directory.Exists(x));
-
-            if(directory  != null)
-            {
-                return directory;
-            }
-
-            throw new System.Exception($"Unable to find Formats directory at any of these locations [{string.Join(", ", directories)}]");
-        }
-
-        /// <summary>
-        /// The path returned by Path.GetFullPath(x) can be relative to dotnet framework directory
-        /// in certain scenarios like dotTrace test profiling.
-        /// This method calculates and adds the format directory based on the ImageSharp.Tests assembly location.
-        /// </summary>
-        /// <param name="directories">The directories list</param>
-        private static void AddFormatsDirectoryFromTestAssebmlyPath(List<string> directories)
-        {
-            string assemblyLocation = typeof(TestFile).GetTypeInfo().Assembly.Location;
-            assemblyLocation = Path.GetDirectoryName(assemblyLocation);
-
-            if (assemblyLocation != null)
-            {
-                string dirFromAssemblyLocation = Path.Combine(assemblyLocation, "../../../TestImages/Formats/");
-                dirFromAssemblyLocation = Path.GetFullPath(dirFromAssemblyLocation);
-                directories.Add(dirFromAssemblyLocation);
-            }
-        }
     }
 }

tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs

@@ -1,9 +1,18 @@
 namespace ImageSharp.Tests
 {
     using System;
+    using System.Collections.Generic;
+    using System.IO;
+    using System.Linq;
+    using System.Reflection;
+    using System.Security;
 
     public static class TestEnvironment
     {
+        public const string ImageSharpSolution = "ImageSharp.sln";
+
+        public const string InputImagesRelativePath = @"tests\ImageSharp.Tests\TestImages\Formats";
+        
         private static Lazy<bool> runsOnCi = new Lazy<bool>(
             () =>
                 {
@@ -16,5 +25,48 @@ namespace ImageSharp.Tests
         /// Gets a value indicating whether test execution runs on CI.
         /// </summary>
         internal static bool RunsOnCI => runsOnCi.Value;
+        
+        internal static string GetSolutionDirectoryFullPath()
+        {
+            string assemblyLocation = typeof(TestFile).GetTypeInfo().Assembly.Location;
+
+            var assemblyFile = new FileInfo(assemblyLocation);
+
+            DirectoryInfo directory = assemblyFile.Directory;
+
+            while (!directory.EnumerateFiles(ImageSharpSolution).Any())
+            {
+                try
+                {
+                    directory = directory.Parent;
+                }
+                catch (Exception ex)
+                {
+                    throw new Exception(
+                        $"Unable to find ImageSharp solution directory from {assemblyLocation} because of {ex.GetType().Name}!",
+                        ex);
+                }
+                if (directory == null)
+                {
+                    throw new Exception($"Unable to find ImageSharp solution directory from {assemblyLocation}!");
+                }
+            }
+            
+            return directory.FullName;
+        }
+
+        /// <summary>
+        /// Gets the correct path to the InputImages directory.
+        /// </summary>
+        /// <returns>
+        /// The <see cref="string"/>.
+        /// </returns>
+        internal static string GetInputImagesDirectoryFullPath()
+        {
+            string soulitionDir = GetSolutionDirectoryFullPath();
+
+            return Path.Combine(soulitionDir, InputImagesRelativePath);
+        }
+        
     }
 }

tests/ImageSharp.Tests/TestUtilities/Tests/TestEnvironmentTests.cs

@@ -0,0 +1,42 @@
+// <copyright file="FlagsHelper.cs" company="James Jackson-South">
+// Copyright (c) James Jackson-South and contributors.
+// Licensed under the Apache License, Version 2.0.
+// </copyright>
+
+// ReSharper disable InconsistentNaming
+namespace ImageSharp.Tests
+{
+    using System.IO;
+
+    using Xunit;
+    using Xunit.Abstractions;
+    
+    public class TestEnvironmentTests
+    {
+        public TestEnvironmentTests(ITestOutputHelper output)
+        {
+            this.Output = output;
+        }
+
+        private ITestOutputHelper Output { get; }
+
+
+        [Fact]
+        public void GetSolutionDirectoryFullPath()
+        {
+            string path = TestEnvironment.GetSolutionDirectoryFullPath();
+            this.Output.WriteLine(path);
+
+            Assert.True(Directory.Exists(path));
+        }
+
+        [Fact]
+        public void GetInputImagesDirectoryFullPath()
+        {
+            string path = TestEnvironment.GetInputImagesDirectoryFullPath();
+            this.Output.WriteLine(path);
+
+            Assert.True(Directory.Exists(path));
+        }
+    }
+}

tests/ImageSharp.Tests/TestUtilities/Tests/TestUtilityExtensionsTests.cs

@@ -3,10 +3,12 @@
 // Licensed under the Apache License, Version 2.0.
 // </copyright>
 
+// ReSharper disable InconsistentNaming
 namespace ImageSharp.Tests
 {
     using System;
     using System.Collections.Generic;
+    using System.IO;
     using System.Linq;
     using System.Numerics;
     using System.Reflection;
@@ -49,16 +51,8 @@ namespace ImageSharp.Tests
 
             return image;
         }
-
-        [Fact]
-        public void Baz()
-        {
-            Type type = typeof(Rgba32).GetTypeInfo().Assembly.GetType("ImageSharp.Rgba32");
-            this.Output.WriteLine(type.ToString());
-
-            Type fake = typeof(Rgba32).GetTypeInfo().Assembly.GetType("ImageSharp.dsaada_DASqewrr");
-            Assert.Null(fake);
-        }
+        
+        
 
         [Theory]
         [WithFile(TestImages.Bmp.Car, PixelTypes.Rgba32, true)]