Modernize project targets and Docker test flow

VirtualFS.Tests/PathTests.cs

@@ -1,47 +1,45 @@
-namespace VirtualFS.Tests
+namespace VirtualFS.Tests;
+
+public class PathTests
 {
-    [TestClass]
-    public class PathTests
+    [Fact]
+    public void PathCast()
     {
-        [TestMethod]
-        public virtual void TestPathCast()
-        {
-            Path p = "/test/path";
+        Path path = "/test/path";
 
-            Assert.IsNotNull(p);
-            Assert.AreEqual("/test/path", (string)p);
-        }
+        Assert.NotNull(path);
+        Assert.Equal("/test/path", (string)path);
+    }
 
-        [TestMethod]
-        public virtual void TestPathDirectoryNotDirectory()
-        {
-            Assert.IsFalse(((Path)"/test/path").IsDirectory == ((Path)"/test/path/").IsDirectory);
-        }
+    [Fact]
+    public void FileAndDirectoryPathsDiffer()
+    {
+        Assert.False(((Path)"/test/path").IsDirectory == ((Path)"/test/path/").IsDirectory);
+    }
 
-        [TestMethod]
-        public virtual void TestPathAddPath()
-        {
-            Assert.AreEqual((Path)"/test/path/SomeFile.txt", ((Path)"/test/path/") + "SomeFile.txt");
-        }
+    [Fact]
+    public void AppendCombinesDirectoryAndName()
+    {
+        Assert.Equal((Path)"/test/path/SomeFile.txt", ((Path)"/test/path/") + "SomeFile.txt");
+    }
 
-        [TestMethod]
-        public virtual void TestPathExt()
-        {
-            Assert.AreEqual("txt", ((Path)"/test/path/SomeFile.txt").GetExtension());
-        }
+    [Fact]
+    public void ExtensionIsReadFromFilePath()
+    {
+        Assert.Equal("txt", ((Path)"/test/path/SomeFile.txt").GetExtension());
+    }
 
-        [TestMethod]
-        public virtual void TestPathParent()
-        {
-            Assert.IsNull(new Path().Parent);
-            Assert.AreEqual(new Path(), ((Path)"/test/").Parent);
-            Assert.AreEqual((Path)"/test/", ((Path)"/test/path/").Parent);
-        }
-        
-        [TestMethod]
-        public virtual void TestInvalidPath()
-        {
-            Assert.ThrowsException<InvalidOperationException>(() => new Path("test"));
-        }
+    [Fact]
+    public void ParentIsResolvedCorrectly()
+    {
+        Assert.Null(new Path().Parent);
+        Assert.Equal(new Path(), ((Path)"/test/").Parent);
+        Assert.Equal((Path)"/test/", ((Path)"/test/path/").Parent);
+    }
+
+    [Fact]
+    public void InvalidPathThrows()
+    {
+        Assert.Throws<InvalidOperationException>(() => new Path("test"));
     }
 }