using System.Collections.Generic; using System.IO; using Xunit; namespace ProcessFilesTests { public class ProcessFilesTests { private readonly string testFolder = "./testFiles"; private readonly string testFile = "./testFiles/test1.txt"; private readonly List expectedInSubFolder = new() { "test2.txt", "test3.txt" }; private readonly List expectedInSubFolderMultipleExtensions = new() { "test.json" }; private readonly string expectedInFolder = "test1.txt"; public ProcessFilesTests() { expectedInSubFolder.Add(expectedInFolder); expectedInSubFolderMultipleExtensions.AddRange(expectedInSubFolder); } [Fact] public void ProcessFolderTest() { var result = string.Empty; void TestAction(string value) { result = Path.GetFileName(value); } var errors = ProcessFiles.ProcessFiles.Process(new[] { testFolder }, "txt", TestAction); Assert.Empty(errors); Assert.Equal(expectedInFolder, result); } private static bool CheckResult(List result, List expected) { if (!result.Count.Equals(expected.Count)) return false; foreach (var item in result) { if (!expected.Contains(item)) return false; } return true; } [Fact] public void ProcessFolderRecursiveTest() { var result = new List(); void TestAction(string value) { result.Add(Path.GetFileName(value)); } var errors = ProcessFiles.ProcessFiles.Process(new[] { testFolder }, "txt", TestAction, true); Assert.Empty(errors); Assert.True(CheckResult(result, expectedInSubFolder)); } [Fact] public void ProcessFolderAndFileTest() { var result = new List(); void TestAction(string value) { result.Add(Path.GetFileName(value)); } var errors = ProcessFiles.ProcessFiles.Process(new[] { "./testFiles/subFolder", testFile }, "txt", TestAction); Assert.Empty(errors); Assert.True(CheckResult(result, expectedInSubFolder)); } [Fact] public void ProcessFileTest() { var result = string.Empty; void TestAction(string value) { result = Path.GetFileName(value); } var errors = ProcessFiles.ProcessFiles.Process(new[] { testFile }, "txt", TestAction); Assert.Empty(errors); Assert.Equal(expectedInFolder, result); } [Fact] public void ProcessFileNotExistTest() { var result = string.Empty; void TestAction(string value) { result = value; } var errors = ProcessFiles.ProcessFiles.Process(new[] { "./testFiles/test.txt" }, "txt", TestAction); Assert.NotEmpty(errors); Assert.Empty(result); } [Fact] public void ProcessFileNotMatchExtensionTest() { var result = string.Empty; void TestAction(string value) { result = value; } var errors = ProcessFiles.ProcessFiles.Process(new[] { testFile }, "abc", TestAction); Assert.NotEmpty(errors); Assert.Empty(result); } [Fact] public void ProcessFolderRecursiveMultipleExtensionsTest() { var result = new List(); void TestAction(string value) { result.Add(Path.GetFileName(value)); } var errors = ProcessFiles.ProcessFiles.Process(new[] { testFolder }, new[] { "txt", "json" }, TestAction, true); Assert.Empty(errors); Assert.True(CheckResult(result, expectedInSubFolderMultipleExtensions)); } } }