public void CanWriteAFile()
{
using var executionContext = new TextFileWriterTestExecutionContext();
executionContext.TextFileWriter.WriteAllLines(executionContext.TestFolder, executionContext.TestFileName, executionContext.Lines, Encoding.UTF8);
Assert.IsTrue(File.Exists(executionContext.TestFolder.FullName + '\\' + executionContext.TestFileName));
Assert.IsTrue(AreTheseFilesInTheTestFolder(executionContext, new List <string> {
executionContext.TestFileName
}));
Assert.IsFalse(AreTheseFilesInTheTestFolder(executionContext, new List <string> {
executionContext.TestFileName, executionContext.TestFileName
}));
Assert.IsFalse(AreTheseFilesInTheTestFolder(executionContext, new List <string> {
"", executionContext.TestFileName
}));
Assert.IsTrue(executionContext.TextFileWriter.FileExistsAndIsIdentical(executionContext.TestFolder, executionContext.TestFileName, executionContext.Lines, Encoding.UTF8));
}
public void OverwriteFileWithNewContentsCreatesBackupFile()
{
using var executionContext = new TextFileWriterTestExecutionContext();
executionContext.TextFileWriter.WriteAllLines(executionContext.TestFolder, executionContext.TestFileName, executionContext.Lines, Encoding.UTF8);
Assert.IsTrue(AreTheseFilesInTheTestFolder(executionContext, new List <string> {
executionContext.TestFileName
}));
Assert.IsTrue(executionContext.TextFileWriter.FileExistsAndIsIdentical(executionContext.TestFolder, executionContext.TestFileName, executionContext.Lines, Encoding.UTF8));
Assert.IsFalse(executionContext.TextFileWriter.FileExistsAndIsIdentical(executionContext.TestFolder, executionContext.TestFileName, executionContext.ChangedLines, Encoding.UTF8));
executionContext.TextFileWriter.WriteAllLines(executionContext.TestFolder, executionContext.TestFileName, executionContext.ChangedLines, Encoding.UTF8);
Assert.IsTrue(AreTheseFilesInTheTestFolder(executionContext, new List <string> {
executionContext.TestFileBackup1Name, executionContext.TestFileName
}));
Assert.IsTrue(executionContext.TextFileWriter.FileExistsAndIsIdentical(executionContext.TestFolder, executionContext.TestFileName, executionContext.ChangedLines, Encoding.UTF8));
Assert.IsTrue(executionContext.TextFileWriter.FileExistsAndIsIdentical(executionContext.TestFolder, executionContext.TestFileBackup1Name, executionContext.Lines, Encoding.UTF8));
}
internal bool AreTheseFilesInTheTestFolder(TextFileWriterTestExecutionContext context, List <string> shortFileNames)
{
var existingFileNames = Directory.GetFiles(context.TestFolder.FullName, "*.*").OrderBy(x => x).ToList();
return(existingFileNames.SequenceEqual(shortFileNames.Select(x => context.TestFolder.FullName + '\\' + x)));
}