public void When_ReadFilesWithExceptions_Should_DiscardTheProblematicFiles_Read()
{
//Arrange
const string file1Name = "file1";
const string file2Name = "file2";
string[] files = { file1Name, file2Name };
const string content = "content of file";
var mockFilesystem = Substitute.For <IFileSystem>();
mockFilesystem.Directory.GetFiles(Arg.Any <string>(), Arg.Any <string>()).Returns(files);
mockFilesystem.File.ReadAllText(file1Name).Returns(x => throw new FileLoadException());
mockFilesystem.File.ReadAllText(file2Name).Returns(content);
var filesReader = new TextFilesReader(mockFilesystem);
//Act
var resultFiles = filesReader.ReadFiles("").ToList();
//Assert
resultFiles.Count().Should().Be(1);
var file2 = resultFiles.Single(x => x.Name == file2Name);
file2.Content.Should().Be(content);
}
public void When_SearchWords_Should_Found_Words()
{
//Arrange
const string file1Name = "file1";
string[] files = { file1Name };
const string content = "word1 word2 word1";
var mockFilesystem = Substitute.For <IFileSystem>();
mockFilesystem.Directory.GetFiles(Arg.Any <string>(), Arg.Any <string>()).Returns(files);
mockFilesystem.File.ReadAllText(Arg.Any <string>()).Returns(content);
var filesReader = new TextFilesReader(mockFilesystem);
//Act
var resultFiles = filesReader.ReadFiles("").ToList();
//Assert
resultFiles.Count().Should().Be(1);
var file1 = resultFiles.Single(x => x.Name == file1Name);
file1.Content.Should().Be(content);
file1.Occurrences("word1").Should().Be(2);
}