From f8e9aaf1052558a3fdc0f6f03784868aedc94628 Mon Sep 17 00:00:00 2001
From: Mauro Cardillo <mauro.cardillo@vianov.it>
Date: Fri, 1 Sep 2023 19:39:42 +0200
Subject: [PATCH] Add some test for class FileSystem

---
 .../FileSystem/FileSystemTest.cs              | 85 ++++++++++++++++++-
 1 file changed, 84 insertions(+), 1 deletion(-)

diff --git a/tests/FileSystem.Tests/FileSystem/FileSystemTest.cs b/tests/FileSystem.Tests/FileSystem/FileSystemTest.cs
index 6e5da80..b8510b5 100644
--- a/tests/FileSystem.Tests/FileSystem/FileSystemTest.cs
+++ b/tests/FileSystem.Tests/FileSystem/FileSystemTest.cs
@@ -3,6 +3,9 @@
 using Maurosoft.FileSystem.Adapters;
 using Maurosoft.FileSystem.Exceptions;
 using Serilog;
+using Maurosoft.FileSystem.Adapters.Memory;
+using System.Text;
+using System;
 
 namespace Tests.FileSystem;
 
@@ -56,14 +59,94 @@ public void FileSystem_Adapters_Add_Should_Return_Adapter()
     [TestMethod]
     [TestCategory("UnitTest")]
     public void FileSystem_GetAdapter_NoRegistred_Should_ThrowException_NoAdaptersRegisteredException()
+    {
+        //Arrange
+        var localAdapter1 = new LocalAdapter("prefix-1", "/");
+        var fileSystem = new Maurosoft.FileSystem.FileSystem();
+
+        //Act && Assert
+        Assert.ThrowsException<NoAdaptersRegisteredException>(() => fileSystem.GetAdapter("prefix-1"));
+    }
+
+    [TestMethod]
+    [TestCategory("UnitTest")]
+    public void FileSystem_GetAdapter_RegistredWithSamePrefix_Should_ThrowException_DuplicateAdapterPrefixException()
+    {
+        //Arrange
+        var localAdapter1 = new LocalAdapter("prefix-1", "/");
+        var localAdapter2 = new LocalAdapter("prefix-1", "/");
+        var fileSystem = new Maurosoft.FileSystem.FileSystem();
+        fileSystem.Adapters.Add(localAdapter1);
+        fileSystem.Adapters.Add(localAdapter2);
+
+        //Act && Assert
+        Assert.ThrowsException<DuplicateAdapterPrefixException>(() => fileSystem.GetAdapter("prefix-1"));
+    }
+
+    [TestMethod]
+    [TestCategory("UnitTest")]
+    public void FileSystem_GetAdapter_WithPrefixNotRegistred_Should_ThrowException_AdapterNotFoundException()
     {
         //Arrange
 #pragma warning disable S1481 // Unused local variables should be removed
         var localAdapter1 = new LocalAdapter("prefix-1", "/");
 #pragma warning restore S1481 // Unused local variables should be removed
         var fileSystem = new Maurosoft.FileSystem.FileSystem();
+        fileSystem.Adapters.Add(localAdapter1);
 
         //Act && Assert
-        Assert.ThrowsException<NoAdaptersRegisteredException>(() => fileSystem.GetAdapter("prefix-1"));
+        Assert.ThrowsException<AdapterNotFoundException>(() => fileSystem.GetAdapter("prefix-2"));
+    }
+
+    [TestMethod]
+    [TestCategory("UnitTest")]
+    public void FileSystem_GetFile_IfFileExists_Should_ReturnFile()
+    {
+        //Arrange
+        var memoryAdapter = new MemoryAdapter("memory-1", "/");
+        memoryAdapter.WriteFile("helloworld.txt", System.Text.Encoding.UTF8.GetBytes("HelloWorld"));
+
+        var fileSystem = new Maurosoft.FileSystem.FileSystem();
+        fileSystem.Adapters.Add(memoryAdapter);
+
+        //Act
+        var file = fileSystem.GetFile("memory-1://helloworld.txt");
+
+        //Assert
+        Assert.AreEqual("helloworld.txt", file.Name);
+    }
+
+    [TestMethod]
+    [TestCategory("UnitTest")]
+    public void FileSystem_GetFile_IfFileNotExists_Should_ThrowException_FileNotFoundException()
+    {
+        //Arrange
+        var memoryAdapter = new MemoryAdapter("memory-1", "/");
+        memoryAdapter.WriteFile("helloworld.txt", System.Text.Encoding.UTF8.GetBytes("HelloWorld"));
+
+        var fileSystem = new Maurosoft.FileSystem.FileSystem();
+        fileSystem.Adapters.Add(memoryAdapter);
+
+        //Act & Assert
+        var aggregateException = Assert.ThrowsException<AggregateException>(() => fileSystem.GetFile("memory-1://helloworld1.txt"));
+        Assert.AreEqual(aggregateException.InnerException.GetType(), typeof(FileNotFoundException));
+    }
+
+    [TestMethod]
+    [TestCategory("UnitTest")]
+    [DataRow("memory-1:/helloworld1.txt", DisplayName = "")]
+    [DataRow("memory-1:helloworld1.txt", DisplayName = "")]
+    [DataRow("memory-1helloworld1.txt", DisplayName = "")]
+    public void FileSystem_GetFile_IfPrefixIsInvalid_Should_ThrowException_PrefixNotFoundInPathException(string prefix)
+    {
+        //Arrange
+        var memoryAdapter = new MemoryAdapter("memory-1", "/");
+        memoryAdapter.WriteFile("helloworld.txt", System.Text.Encoding.UTF8.GetBytes("HelloWorld"));
+
+        var fileSystem = new Maurosoft.FileSystem.FileSystem();
+        fileSystem.Adapters.Add(memoryAdapter);
+
+        //Act & Assert
+        Assert.ThrowsException<PrefixNotFoundInPathException>(() => fileSystem.GetFile(prefix));
     }
 }
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