public void Should_Merge_Two_Files_With_StringData()
{
//Arrange
var fakeFileManager = A.Fake <IFileManager>();
var compareUtil = new CompareUtil();
var ms = new MemoryStream();
var sw = new StreamWriter(ms);
int i = 0;
A.CallTo(() => fakeFileManager.Read(@"SomeFile1.txt")).Returns(GenerateStreamFromString(" aa | ac | ae |"));
A.CallTo(() => fakeFileManager.Read(@"SomeFile2.txt")).Returns(GenerateStreamFromString(" ab | ad | af |"));
A.CallTo(() => fakeFileManager.DiscoverTypeOfData("SomeFile1.txt", "SomeFile2.txt")).Returns(typeof(string));
A.CallTo(() => fakeFileManager.CreateFile(A <string> .Ignored)).Returns(sw);
//Act
var fileMergeUtil = new SortedFilesMergeUtil(fakeFileManager, compareUtil);
fileMergeUtil.MergeAsync(@"SomeFile1.txt", "SomeFile2.txt");
//Assert
sw.Flush();
ms.Position = 0;
var sr = new StreamReader(ms);
sr.ReadToEnd().Replace(Environment.NewLine, "|").Should().Be(@"aa|ab|ac|ad|ae|af|");
}
public async System.Threading.Tasks.Task Should_Merge_Two_Valid_IntegerFilesAsync()
{
//Arrange
var localFileManager = new LocalFileManager();
var expectedMergedFile = Path.Combine(Path.GetTempPath(), "Merged_File.txt");
//cleanup.
if (File.Exists(expectedMergedFile))
{
File.Delete(expectedMergedFile);
}
//Act
using (var sortedFilesMergeUtil = new SortedFilesMergeUtil(localFileManager, new CompareUtil())) {
await sortedFilesMergeUtil.MergeAsync(@"Data/IntegerDataFile1.txt", @"Data/IntegerDataFile2.txt");
}
//Assert
File.Exists(expectedMergedFile).Should().BeTrue();
}
