private static object[] AssertExtra(FixedLengthReader reader, String expected)
{
Assert.IsTrue(reader.Read(), "Could not read the next record.");
object[] values = reader.GetValues();
FixedLengthSchema schema = reader.GetSchema();
Assert.AreEqual(schema.ColumnDefinitions.Count, values.Length, "The wrong number of values were parsed.");
object value = values[schema.ColumnDefinitions.Count - 1];
Assert.AreEqual(expected, value, "The wrong extra value was found for the record.");
return(values);
}
public void TestGetSchema_SchemaProvided_ParsesValues()
{
const string text = @" 123 Bob 1/19/2013";
FixedLengthSchema schema = new FixedLengthSchema();
schema.AddColumn(new Int32Column("id"), new Window(10))
.AddColumn(new StringColumn("name"), new Window(25))
.AddColumn(new DateTimeColumn("created"), new Window(10));
StringReader stringReader = new StringReader(text);
IReader parser = new FixedLengthReader(stringReader, schema);
ISchema actual = parser.GetSchema();
Assert.Same(schema, actual);
}
public void TestGetSchema_SchemaProvided_ParsesValues()
{
const string text = @" 123 Bob 1/19/2013";
FixedLengthSchema schema = new FixedLengthSchema();
schema.AddColumn(new Int32Column("id"), new Window(10))
.AddColumn(new StringColumn("name"), new Window(25))
.AddColumn(new DateTimeColumn("created"), new Window(10));
IReader parser = new FixedLengthReader(new MemoryStream(Encoding.Default.GetBytes(text)), schema);
ISchema actual = parser.GetSchema();
Assert.AreSame(schema, actual, "The underlying schema was not returned.");
}
public void TestGetSchema_SchemaProvided_ParsesValues()
{
const string text = @" 123 Bob 1/19/2013";
FixedLengthSchema schema = new FixedLengthSchema();
schema.AddColumn(new Int32Column("id"), new Window(10))
.AddColumn(new StringColumn("name"), new Window(25))
.AddColumn(new DateTimeColumn("created"), new Window(10));
StringReader stringReader = new StringReader(text);
IReader parser = new FixedLengthReader(stringReader, schema);
ISchema actual = parser.GetSchema();
Assert.AreSame(schema, actual);
}
public void TestGetSchema_SchemaProvided_ParsesValues()
{
const string text = @" 123 Bob 1/19/2013";
FixedLengthSchema schema = new FixedLengthSchema();
schema.AddColumn(new Int32Column("id"), new Window(10))
.AddColumn(new StringColumn("name"), new Window(25))
.AddColumn(new DateTimeColumn("created"), new Window(10));
IReader parser = new FixedLengthReader(new MemoryStream(Encoding.Default.GetBytes(text)), schema);
ISchema actual = parser.GetSchema();
Assert.AreSame(schema, actual, "The underlying schema was not returned.");
}
public Core.ResultDefinition ValidateFile()
{
var schemaData = string.Empty;
var schemaParser = new SchemaParser();
var validationResults = new List <ValidationResult>();
var validator = new Validators.FixedLengthValidator();
if (this.RawSchema == null)
{
try
{
using (var sr = new StreamReader(File.OpenRead(this.SchemaFilePath)))
{
schemaData = sr.ReadToEnd();
}
}
catch (Exception ex)
{
var errorMsg = String.Format(null, SharedResources.SchemaError, ex.Message);
Console.WriteLine($"{errorMsg}");
}
this.RawSchema = schemaParser.ParseSchema(schemaData);
}
var fixedLengthFileSchemaBuilder = new FixedLengthSchemaBuilder();
var fixedFileSchema = fixedLengthFileSchemaBuilder.BuildSchema(this.RawSchema);
var schemas = fixedFileSchema.FixedLengthRecordSchemas;
var count = 0;
foreach (var inputLine in File.ReadLines(this.FilePath))
{
Console.WriteLine($"Started parsing line...{count}");
if (inputLine != null)
{
FixedLengthSchema actualSchema;
TextReader stringReader = new StringReader(inputLine);
var schema = schemas.FirstOrDefault(x => inputLine.StartsWith(x.RecordIdentifier));
count++;
var innerResults = new List <ValidationResult>();
var line = inputLine;
if (schema != null)
{
var parser = new FixedLengthReader(stringReader, schema.FixedLengthSchema);
try
{
actualSchema = parser.GetSchema();
parser.Read();
var rawValues = GetRawValues(inputLine, schema.FixedLengthSchema);
var values = parser.GetValues();
for (int i = 0; i < values.Length; i++)
{
var validationResult = new ValidationResult
{
Record = inputLine,
ColumnName = actualSchema.ColumnDefinitions[i].ColumnName,
ColumnType = actualSchema.ColumnDefinitions[i].ColumnType.Name,
ActualRowLength = inputLine.Length,
MaxRowLength = actualSchema.TotalWidth,
ParsedValueLength = (values[i].ToString() ?? string.Empty).Length,
RawValueLength = rawValues[i].ToString().Length,
ColumnLength = actualSchema.Windows[i].Width,
FillCharacter = actualSchema.Windows[i].FillCharacter != null ? actualSchema.Windows[i].FillCharacter.ToString() : "Not specified",
TextAlignment = actualSchema.Windows[i].Alignment != null ? actualSchema.Windows[i].Alignment.ToString() : "Not specified",
ParsedValue = values[i].ToString() ?? string.Empty,
RawValue = rawValues[i].ToString() ?? string.Empty,
RowNumber = count
};
var failures = validator.Validate(validationResult);
if (failures.Errors != null && failures.Errors.Any() && !failures.IsValid)
{
var errors = new List <string>();
foreach (var error in failures.Errors)
{
errors.Add(error.ErrorMessage);
}
validationResult.ErrorMessages = errors;
validationResult.HasErrors = true;
line = line.Replace(validationResult.RawValue, $"<strong style='color:{HtmlColors[i%HtmlColors.Length]}'>{validationResult.RawValue}</strong>");
validationResult.Record = line;
validationResults.Add(validationResult);
}
}
}
catch (Exception ex)
{
var errorMsg = string.Empty;
if (ex.InnerException != null && ex.InnerException.Message != null)
{
errorMsg = ex.InnerException.Message;
Console.WriteLine(ex.InnerException.Message);
}
else
{
errorMsg = ex.Message;
Console.WriteLine(ex.Message);
}
var error = new ValidationResult
{
RowNumber = count,
Record = inputLine,
ErrorMessages = new List <string>
{
$"Exception: {errorMsg}"
},
HasErrors = true
};
validationResults.Add(error);
}
}
else
{
var error = new ValidationResult
{
RowNumber = count,
Record = inputLine,
ErrorMessages = new List <string>
{
$"Exception: The row does not contain a record identifier that match the schema."
},
HasErrors = true
};
validationResults.Add(error);
}
}
}
var results = new Core.ResultDefinition
{
Results = validationResults,
TotalLinesProcessed = count,
FileFormat = this.RawSchema.FileFormat,
FilePath = this.FilePath,
SchemaPath = this.SchemaFilePath
};
return(results);
}
