public void GetRecordGenericTest()
{
var parser = new ParserMock
{
{ "Id", "Name" },
{ "a", "b" },
null
};
var reader = new CsvReader( parser );
reader.Read();
try
{
reader.GetRecord<Simple>();
Assert.Fail();
}
catch( CsvTypeConverterException ex )
{
var expected = "Row: '2' (1 based)\r\n" +
"Type: 'CsvHelper.Tests.Exceptions.ExceptionMessageTests+Simple'\r\n" +
"Field Index: '0' (0 based)\r\n" +
"Field Name: 'Id'\r\n" +
"Field Value: 'a'\r\n";
Assert.AreEqual( expected, ex.Data["CsvHelper"] );
}
}
public void ReadTest()
{
var queue = new Queue<string[]>();
queue.Enqueue( new[] { "Id", "Names" } );
queue.Enqueue( new[] { "1", "one" } );
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var csv = new CsvReader( parserMock );
csv.Read();
var record = csv.GetRecord<Test>();
Assert.IsNull( record.Names );
}
public void TryGetDoesNotThrowWhenWillThrowOnMissingFieldIsEnabled()
{
var data = new[] { "1" };
var queue = new Queue<string[]>();
queue.Enqueue( data );
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var reader = new CsvReader( parserMock );
reader.Configuration.WillThrowOnMissingField = true;
reader.Read();
string field;
Assert.IsFalse( reader.TryGetField( "test", out field ) );
}
public void GetRecordTest()
{
var data = new List<string[]>
{
new[] { "Id", "Name" },
new[] { "1", "one" },
new[] { "2", "two" },
null
};
var parserMock = new ParserMock( new Queue<string[]>( data ) );
var csvReader = new MyCsvReader( parserMock );
csvReader.GetRecords<Test>().ToList();
}
public void ReadHeaderDoesNotReadRowTest()
{
var rows = new Queue<string[]>();
rows.Enqueue( new[] { "Id", "Name" } );
rows.Enqueue( new[] { "1", "One" } );
rows.Enqueue( new[] { "2", "two" } );
rows.Enqueue( null );
var parser = new ParserMock( rows );
var csv = new CsvReader( parser );
csv.Read();
csv.ReadHeader();
Assert.IsNull( csv.CurrentRecord );
}
public void SkipEmptyRowTest()
{
var rows = new Queue<string[]>();
rows.Enqueue( new[] { "First,Second" } );
rows.Enqueue( new[] { " " } );
rows.Enqueue( new[] { "1", "2" } );
var parser = new ParserMock( rows );
var csv = new CsvReader( parser );
csv.Configuration.ShouldSkipRecord = row => row.All( string.IsNullOrWhiteSpace );
csv.Read();
Assert.AreEqual( "1", csv.GetField( 0 ) );
Assert.AreEqual( "2", csv.GetField( 1 ) );
}
public void ReferenceMappingTest()
{
var queue = new Queue<string[]>();
queue.Enqueue( new[]
{
"FirstName",
"LastName",
"HomeStreet",
"HomeCity",
"HomeState",
"HomeZip",
"WorkStreet",
"WorkCity",
"WorkState",
"WorkZip"
} );
var row = new[]
{
"John",
"Doe",
"1234 Home St",
"Home Town",
"Home State",
"12345",
"5678 Work Rd",
"Work City",
"Work State",
"67890"
};
queue.Enqueue( row );
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var reader = new CsvReader( parserMock );
reader.Read();
var person = reader.GetRecord<Person>();
Assert.AreEqual( "John", person.FirstName );
Assert.AreEqual( "Doe", person.LastName );
Assert.AreEqual( "1234 Home St", person.HomeAddress.Street );
Assert.AreEqual( "Home Town", person.HomeAddress.City );
Assert.AreEqual( "Home State", person.HomeAddress.State );
Assert.AreEqual( "12345", person.HomeAddress.Zip );
Assert.AreEqual( "5678 Work Rd", person.WorkAddress.Street );
Assert.AreEqual( "Work City", person.WorkAddress.City );
Assert.AreEqual( "Work State", person.WorkAddress.State );
Assert.AreEqual( "67890", person.WorkAddress.Zip );
}
public void ReadHeaderReadsHeaderTest()
{
var rows = new Queue<string[]>();
rows.Enqueue( new[] { "Id", "Name" } );
rows.Enqueue( new[] { "1", "One" } );
rows.Enqueue( new[] { "2", "two" } );
rows.Enqueue( null );
var parser = new ParserMock( rows );
var csv = new CsvReader( parser );
csv.Read();
csv.ReadHeader();
Assert.IsNotNull( csv.FieldHeaders );
Assert.AreEqual( "Id", csv.FieldHeaders[0] );
Assert.AreEqual( "Name", csv.FieldHeaders[1] );
}
public void TryGetFieldInvalidIndexTest()
{
var data1 = new[] { "One", "Two" };
var data2 = new[] { "one", "two" };
var queue = new Queue<string[]>();
queue.Enqueue( data1 );
queue.Enqueue( data2 );
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var reader = new CsvReader( parserMock );
reader.Read();
int field;
var got = reader.TryGetField( 0, out field );
Assert.IsFalse( got );
Assert.AreEqual( default( int ), field );
}
public void TryGetFieldStrictTest()
{
var data1 = new[] { "One", "Two" };
var data2 = new[] { "1", "2" };
var queue = new Queue<string[]>();
queue.Enqueue( data1 );
queue.Enqueue( data2 );
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var reader = new CsvReader( parserMock ) { Configuration = { WillThrowOnMissingField = true } };
reader.Read();
int field;
var got = reader.TryGetField( "One", out field );
Assert.IsTrue( got );
Assert.AreEqual( 1, field );
}
public void TryGetFieldTest()
{
var data1 = new[] { "One", "Two" };
var data2 = new[] { "1", "2" };
var queue = new Queue<string[]>();
queue.Enqueue( data1 );
queue.Enqueue( data2 );
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var reader = new CsvReader( parserMock );
reader.Read();
int field;
var got = reader.TryGetField( 0, out field );
Assert.IsTrue( got );
Assert.AreEqual( 1, field );
}
public void ReadTest()
{
var queue = new Queue<string[]>();
queue.Enqueue( new[] { "Names" } );
queue.Enqueue( new[] { "one" } );
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var csv = new CsvReader( parserMock );
csv.Read();
try
{
csv.GetRecord<Test>();
Assert.Fail();
}
catch( CsvTypeConverterException )
{
}
}
public void TryGetFieldIndexTest()
{
var parserMock = new ParserMock
{
{ "One", "Two", "Two" },
{ "1", "2", "3" }
};
var reader = new CsvReader( parserMock );
reader.Read();
int field;
var got = reader.TryGetField( "Two", 0, out field );
Assert.IsTrue( got );
Assert.AreEqual( 2, field );
got = reader.TryGetField( "Two", 1, out field );
Assert.IsTrue( got );
Assert.AreEqual( 3, field );
}
public void ShouldSkipWithEmptyRows()
{
var rows = new Queue<string[]>();
rows.Enqueue( new[] { "First,Second" } );
rows.Enqueue( new[] { "skipme," } );
rows.Enqueue( new[] { "" } );
rows.Enqueue( new[] { "1", "2" } );
var parser = new ParserMock( rows );
var csv = new CsvReader( parser );
csv.Configuration.ShouldSkipRecord = row => row[0].StartsWith( "skipme" );
csv.Configuration.SkipEmptyRecords = true;
csv.Read();
csv.Read();
Assert.AreEqual( "1", csv.GetField( 0 ) );
Assert.AreEqual( "2", csv.GetField( 1 ) );
}
public void GettingFieldHeadersFailsWhenHeaderNotReadTest()
{
var rows = new Queue<string[]>();
rows.Enqueue( new[] { "Id", "Name" } );
rows.Enqueue( new[] { "1", "One" } );
rows.Enqueue( new[] { "2", "two" } );
rows.Enqueue( null );
var parser = new ParserMock( rows );
var csv = new CsvReader( parser );
try
{
var x = csv.FieldHeaders;
Assert.Fail();
}
catch( CsvReaderException )
{
}
}
public void TryGetFieldEmptyDate()
{
// DateTimeConverter.IsValid() doesn't work correctly
// so we need to test and make sure that the conversion
// fails for an emptry string for a date.
var data = new[] { " " };
var queue = new Queue<string[]>();
queue.Enqueue( data );
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var reader = new CsvReader( parserMock );
reader.Configuration.HasHeaderRecord = false;
reader.Read();
DateTime field;
var got = reader.TryGetField( 0, out field );
Assert.IsFalse( got );
Assert.AreEqual( DateTime.MinValue, field );
}
public void GetMissingFieldTest()
{
var parser = new ParserMock
{
{ "Id", "Name" },
{ "a", "b" },
null
};
var reader = new CsvReader( parser );
reader.Read();
reader.Read();
try
{
reader.GetField( 2 );
Assert.Fail();
}
catch( CsvMissingFieldException ex )
{
Assert.AreEqual( 2, ex.Row );
Assert.AreEqual( 2, ex.FieldIndex );
}
}
public void GetMissingFieldTest()
{
var parser = new ParserMock
{
{ "Id", "Name" },
{ "a", "b" },
null
};
var reader = new CsvReader( parser );
reader.Read();
try
{
reader.GetField( 2 );
Assert.Fail();
}
catch( CsvMissingFieldException ex )
{
var expected = "Row: '2' (1 based)\r\n" +
"Type: 'System.String'\r\n" +
"Field Index: '2' (0 based)\r\n";
Assert.AreEqual( expected, ex.Data["CsvHelper"] );
}
}
public void GetGenericMissingFieldWithTypeTest()
{
var parser = new ParserMock
{
{ "Id", "Name" },
{ "a", "b" },
null
};
var reader = new CsvReader( parser );
reader.Read();
reader.Read();
try
{
reader.GetField<int>( 2 );
Assert.Fail();
}
catch( CsvMissingFieldException ex )
{
Assert.AreEqual( 2, ex.Row );
Assert.AreEqual( ex.Type, typeof( int ) );
Assert.AreEqual( 2, ex.FieldIndex );
}
}
public void GetRecordEmptyFileWithHeaderOnTest()
{
var queue = new Queue<string[]>();
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var csvReader = new CsvReader( parserMock );
try
{
csvReader.Read();
Assert.Fail();
}
catch( CsvReaderException )
{
}
}
public void GetRecordNoAttributesTest()
{
var headerData = new[]
{
"IntColumn",
"StringColumn",
"GuidColumn",
"CustomTypeColumn",
};
var recordData = new[]
{
"1",
"string column",
Guid.NewGuid().ToString(),
"blah",
};
var queue = new Queue<string[]>();
queue.Enqueue( headerData );
queue.Enqueue( recordData );
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var csv = new CsvReader( parserMock );
csv.Configuration.IsStrictMode = false;
csv.Read();
var record = csv.GetRecord<TestRecordNoAttributes>();
Assert.AreEqual( Convert.ToInt32( recordData[0] ), record.IntColumn );
Assert.AreEqual( recordData[1], record.StringColumn );
Assert.AreEqual( default( string ), record.IgnoredColumn );
Assert.AreEqual( default( string ), record.TypeConvertedColumn );
Assert.AreEqual( default( int ),record.FirstColumn );
Assert.AreEqual( new Guid( recordData[2] ), record.GuidColumn );
Assert.AreEqual( default( int ), record.NoMatchingFields );
Assert.AreEqual( default( TestRecord ), record.CustomTypeColumn );
}
public void GetRecordsWithDuplicateHeaderNames()
{
var headerData = new[]
{
"Column",
"Column",
"Column"
};
var queue = new Queue<string[]>();
queue.Enqueue( headerData );
queue.Enqueue( new[] { "one", "two", "three" } );
queue.Enqueue( new[] { "one", "two", "three" } );
queue.Enqueue( null );
var csvParserMock = new ParserMock( queue );
var csv = new CsvReader( csvParserMock );
csv.Configuration.IsStrictMode = true;
var records = csv.GetRecords<TestRecordDuplicateHeaderNames>().ToList();
Assert.AreEqual( 2, records.Count );
for( var i = 1; i <= records.Count; i++ )
{
var record = records[i - 1];
Assert.AreEqual( "one", record.Column1 );
Assert.AreEqual( "two", record.Column2 );
Assert.AreEqual( "three", record.Column3 );
}
}
public void GetRecordsTest()
{
var headerData = new[]
{
"IntColumn",
"String Column",
"GuidColumn",
};
var guid = Guid.NewGuid();
var queue = new Queue<string[]>();
queue.Enqueue( headerData );
queue.Enqueue( new[] { "1", "string column 1", guid.ToString() } );
queue.Enqueue( new[] { "2", "string column 2", guid.ToString() } );
queue.Enqueue( null );
var csvParserMock = new ParserMock( queue );
var csv = new CsvReader( csvParserMock );
csv.Configuration.IsStrictMode = false;
var records = csv.GetRecords( typeof( TestRecord ) ).ToList();
Assert.AreEqual( 2, records.Count );
for( var i = 1; i <= records.Count; i++ )
{
var record = (TestRecord)records[i - 1];
Assert.AreEqual( i, record.IntColumn );
Assert.AreEqual( "string column " + i, record.StringColumn );
Assert.AreEqual( "test", record.TypeConvertedColumn );
Assert.AreEqual( i, record.FirstColumn );
Assert.AreEqual( guid, record.GuidColumn );
}
}
public void SkipEmptyRecordsTest()
{
var queue = new Queue<string[]>();
queue.Enqueue( new[] { "1", "2", "3" } );
queue.Enqueue( new[] { "", "", "" } );
queue.Enqueue( new[] { "4", "5", "6" } );
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var reader = new CsvReader( parserMock );
reader.Configuration.HasHeaderRecord = false;
reader.Configuration.SkipEmptyRecords = true;
reader.Read();
Assert.AreEqual( "1", reader.CurrentRecord[0] );
Assert.AreEqual( "2", reader.CurrentRecord[1] );
Assert.AreEqual( "3", reader.CurrentRecord[2] );
reader.Read();
Assert.AreEqual( "4", reader.CurrentRecord[0] );
Assert.AreEqual( "5", reader.CurrentRecord[1] );
Assert.AreEqual( "6", reader.CurrentRecord[2] );
Assert.IsFalse( reader.Read() );
}
public void GetRecordTest()
{
var headerData = new[]
{
"IntColumn",
"String Column",
"GuidColumn",
};
var recordData = new[]
{
"1",
"string column",
Guid.NewGuid().ToString(),
};
var queue = new Queue<string[]>();
queue.Enqueue( headerData );
queue.Enqueue( recordData );
queue.Enqueue( null );
var csvParserMock = new ParserMock( queue );
var csv = new CsvReader( csvParserMock );
csv.Configuration.IsStrictMode = false;
csv.Read();
var record = (TestRecord)csv.GetRecord( typeof( TestRecord ));
Assert.AreEqual( Convert.ToInt32( recordData[0] ), record.IntColumn );
Assert.AreEqual( recordData[1], record.StringColumn );
Assert.AreEqual( "test", record.TypeConvertedColumn );
Assert.AreEqual( Convert.ToInt32( recordData[0] ), record.FirstColumn );
Assert.AreEqual( new Guid( recordData[2] ), record.GuidColumn );
}
public void InvalidateRecordsCacheTest()
{
var parserMock = new ParserMock( new Queue<string[]>() );
var csvReader = new CsvReader( parserMock );
csvReader.Configuration.AttributeMapping<TestRecord>();
Assert.IsTrue( csvReader.Configuration.Properties.Count > 0 );
csvReader.InvalidateRecordCache<TestRecord>();
Assert.AreEqual( 0, csvReader.Configuration.Properties.Count );
csvReader.Configuration.AttributeMapping<TestRecordNoAttributes>();
Assert.IsTrue( csvReader.Configuration.Properties.Count > 0 );
}
public void HasHeaderRecordTest()
{
var data1 = new[] { "One", "Two" };
var data2 = new[] { "1", "2" };
var queue = new Queue<string[]>();
queue.Enqueue( data1 );
queue.Enqueue( data2 );
var parserMock = new ParserMock( queue );
var reader = new CsvReader( parserMock );
reader.Read();
// Check to see if the header record and first record are set properly.
Assert.AreEqual( Convert.ToInt32( data2[0] ), reader.GetField<int>( "One" ) );
Assert.AreEqual( Convert.ToInt32( data2[1] ), reader.GetField<int>( "Two" ) );
Assert.AreEqual( Convert.ToInt32( data2[0] ), reader.GetField<int>( 0 ) );
Assert.AreEqual( Convert.ToInt32( data2[1] ), reader.GetField<int>( 1 ) );
}
public void HasHeaderRecordNotReadExceptionTest()
{
var parserMock = new ParserMock( new Queue<string[]>() );
var reader = new CsvReader( parserMock );
try
{
reader.GetField<int>( 0 );
Assert.Fail();
}
catch( CsvReaderException )
{
}
}
public void GetTypeTest()
{
var data = new[]
{
"1",
"blah",
DateTime.Now.ToString(),
"true",
"c",
"",
Guid.NewGuid().ToString(),
};
var queue = new Queue<string[]>();
queue.Enqueue( data );
queue.Enqueue( data );
queue.Enqueue( null );
var parserMock = new ParserMock( queue );
var reader = new CsvReader( parserMock );
reader.Read();
Assert.AreEqual( Convert.ToInt16( data[0] ), reader.GetField<short>( 0 ) );
Assert.AreEqual( Convert.ToInt16( data[0] ), reader.GetField<short?>( 0 ) );
Assert.AreEqual( null, reader.GetField<short?>( 5 ) );
Assert.AreEqual( Convert.ToInt32( data[0] ), reader.GetField<int>( 0 ) );
Assert.AreEqual( Convert.ToInt32( data[0] ), reader.GetField<int?>( 0 ) );
Assert.AreEqual( null, reader.GetField<int?>( 5 ) );
Assert.AreEqual( Convert.ToInt64( data[0] ), reader.GetField<long>( 0 ) );
Assert.AreEqual( Convert.ToInt64( data[0] ), reader.GetField<long?>( 0 ) );
Assert.AreEqual( null, reader.GetField<long?>( 5 ) );
Assert.AreEqual( Convert.ToDecimal( data[0] ), reader.GetField<decimal>( 0 ) );
Assert.AreEqual( Convert.ToDecimal( data[0] ), reader.GetField<decimal?>( 0 ) );
Assert.AreEqual( null, reader.GetField<decimal?>( 5 ) );
Assert.AreEqual( Convert.ToSingle( data[0] ), reader.GetField<float>( 0 ) );
Assert.AreEqual( Convert.ToSingle( data[0] ), reader.GetField<float?>( 0 ) );
Assert.AreEqual( null, reader.GetField<float?>( 5 ) );
Assert.AreEqual( Convert.ToDouble( data[0] ), reader.GetField<double>( 0 ) );
Assert.AreEqual( Convert.ToDouble( data[0] ), reader.GetField<double?>( 0 ) );
Assert.AreEqual( null, reader.GetField<double?>( 5 ) );
Assert.AreEqual( data[1], reader.GetField<string>( 1 ) );
Assert.AreEqual( string.Empty, reader.GetField<string>( 5 ) );
Assert.AreEqual( Convert.ToDateTime( data[2] ), reader.GetField<DateTime>( 2 ) );
Assert.AreEqual( Convert.ToDateTime( data[2] ), reader.GetField<DateTime?>( 2 ) );
Assert.AreEqual( null, reader.GetField<DateTime?>( 5 ) );
Assert.AreEqual( Convert.ToBoolean( data[3] ), reader.GetField<bool>( 3 ) );
Assert.AreEqual( Convert.ToBoolean( data[3] ), reader.GetField<bool?>( 3 ) );
Assert.AreEqual( null, reader.GetField<bool?>( 5 ) );
Assert.AreEqual( Convert.ToChar( data[4] ), reader.GetField<char>( 4 ) );
Assert.AreEqual( Convert.ToChar( data[4] ), reader.GetField<char?>( 4 ) );
Assert.AreEqual( null, reader.GetField<char?>( 5 ) );
Assert.AreEqual( new Guid( data[6] ), reader.GetField<Guid>( 6 ) );
Assert.AreEqual( null, reader.GetField<Guid?>( 5 ) );
}
public void GetRecordWithDuplicateHeaderFields()
{
var data = new[] { "Field1", "Field1" };
var queue = new Queue<string[]>();
queue.Enqueue( data );
queue.Enqueue( data );
var parserMock = new ParserMock( queue );
var reader = new CsvReader( parserMock );
reader.Configuration.IsStrictMode = true;
reader.Read();
}