add initial amazon s3 unit tests

Author: mvdgun

FileSystem.Adapters.AmazonS3/src/AmazonS3Adapter.cs

@@ -7,6 +7,7 @@
 using Amazon.S3;
 using Amazon.S3.Model;
 using SharpGrip.FileSystem.Exceptions;
+using SharpGrip.FileSystem.Extensions;
 using SharpGrip.FileSystem.Models;
 using DirectoryNotFoundException = SharpGrip.FileSystem.Exceptions.DirectoryNotFoundException;
 using FileNotFoundException = SharpGrip.FileSystem.Exceptions.FileNotFoundException;
@@ -41,7 +42,7 @@ public override async Task<IFile> GetFileAsync(string virtualPath, CancellationT
             {
                 using var response = await client.GetObjectAsync(bucketName, path, cancellationToken);
 
-                return ModelFactory.CreateFile(response, virtualPath);
+                return ModelFactory.CreateFile(response, path, virtualPath);
             }
             catch (AmazonS3Exception exception)
             {
@@ -69,15 +70,12 @@ public override async Task<IDirectory> GetDirectoryAsync(string virtualPath, Can
 
             try
             {
-                var prefix = "";
-                var pathParts = GetPathParts(path);
-
-                if (pathParts.Length > 1)
+                if (path == "/")
                 {
-                    prefix = string.Join("/", pathParts.Take(pathParts.Length - 1)) + "/";
+                    return ModelFactory.CreateDirectory(new S3Object {Key = "/"}, virtualPath);
                 }
 
-                var request = new ListObjectsV2Request {BucketName = bucketName, Prefix = prefix};
+                var request = new ListObjectsV2Request {BucketName = bucketName, Prefix = path};
                 var response = await client.ListObjectsV2Async(request, cancellationToken);
 
                 if (response.KeyCount == 0)
@@ -106,6 +104,11 @@ public override async Task<IEnumerable<IFile>> GetFilesAsync(string virtualPath
             await GetDirectoryAsync(virtualPath, cancellationToken);
             var path = GetPath(virtualPath);
 
+            if (!path.EndsWith("/"))
+            {
+                path += "/";
+            }
+
             try
             {
                 var request = new ListObjectsV2Request {BucketName = bucketName, Prefix = path};
@@ -145,7 +148,7 @@ public override async Task<IEnumerable<IDirectory>> GetDirectoriesAsync(string v
 
                 foreach (var item in response.S3Objects)
                 {
-                    var itemName = item.Key.Substring(0, item.Key.Length - path.Length);
+                    var itemName = item.Key.Substring(path.Length).RemoveLeadingForwardSlash();
 
                     if (item.Key.EndsWith("/") && itemName.Count(c => c.Equals('/')) == 1)
                     {
@@ -192,9 +195,9 @@ public override async Task DeleteDirectoryAsync(string virtualPath, Cancellation
             try
             {
                 var deleteObjectsRequest = new DeleteObjectsRequest {BucketName = bucketName};
-                var listObjectsRequest = new ListObjectsRequest {BucketName = bucketName, Prefix = path};
+                var listObjectsRequest = new ListObjectsV2Request {BucketName = bucketName, Prefix = path};
 
-                var response = await client.ListObjectsAsync(listObjectsRequest, cancellationToken);
+                var response = await client.ListObjectsV2Async(listObjectsRequest, cancellationToken);
 
                 foreach (S3Object entry in response.S3Objects)
                 {

FileSystem.Adapters.AmazonS3/src/ModelFactory.cs

@@ -1,18 +1,19 @@
 using System;
 using System.Linq;
 using Amazon.S3.Model;
+using SharpGrip.FileSystem.Extensions;
 using SharpGrip.FileSystem.Models;
 
 namespace SharpGrip.FileSystem.Adapters.AmazonS3
 {
     public static class ModelFactory
     {
-        public static FileModel CreateFile(GetObjectResponse file, string virtualPath)
+        public static FileModel CreateFile(GetObjectResponse file, string path, string virtualPath)
         {
             return new FileModel
             {
                 Name = file.Key.Split('/').Last(),
-                Path = file.Key,
+                Path = path,
                 VirtualPath = virtualPath,
                 Length = file.ContentLength,
                 LastModifiedDateTime = file.LastModified
@@ -34,7 +35,12 @@ public static FileModel CreateFile(S3Object file, string virtualPath)
         public static DirectoryModel CreateDirectory(S3Object directory, string virtualPath)
         {
             var pathParts = directory.Key.Split(new[] {'/'}, StringSplitOptions.RemoveEmptyEntries);
-            var name = pathParts.Last();
+            var name = pathParts.LastOrDefault();
+
+            if (name == null)
+            {
+                name = "/";
+            }
 
             if (pathParts.Length == 1)
             {
@@ -43,8 +49,8 @@ public static DirectoryModel CreateDirectory(S3Object directory, string virtualP
 
             return new DirectoryModel
             {
-                Name = name.Substring(0, name.Length - 1),
-                Path = directory.Key.Substring(0, name.Length - 1),
+                Name = name,
+                Path = directory.Key.RemoveTrailingForwardSlash(),
                 VirtualPath = virtualPath,
                 LastModifiedDateTime = directory.LastModified
             };

FileSystem/src/Utilities/PathUtilities.cs

@@ -27,6 +27,11 @@ public static string GetPrefix(string virtualPath)
         /// <returns>The path.</returns>
         public static string GetPath(string virtualPath, string rootPath)
         {
+            if (string.IsNullOrWhiteSpace(rootPath))
+            {
+                return string.Join(PathSeparator, ResolvePrefixAndPath(virtualPath)[1]);
+            }
+
             return string.Join(PathSeparator, rootPath, ResolvePrefixAndPath(virtualPath)[1]);
         }