public void Load_NullConfig_Throws()
{
// arrange
var parser = new CsvParser("Foo,Bar,Baz");
var mapper = new CsvMapper(parser, _outStream);
// act
// assert
Assert.Throws <ArgumentNullException>(() => mapper.Load((IDictionary <string, IncomingFormat>)null));
}
public async Task Remap_Writes_Stream()
{
// arrange
var config = GetTestConfig();
var parser = GetTestParser().UseHeaders();
var mapper = new CsvMapper(parser, _outStream);
mapper.Load(config);
// act
await mapper.RemapAsync(',');
// assert
Assert.NotEqual(0, _outStream.Length);
}
public async Task Remap_IgnoresUnmapped()
{
// arrange
var config = GetTestConfig();
var parser = GetTestParser().UseHeaders();
var mapper = new CsvMapper(parser, _outStream);
mapper.Load(config);
var outStream = new MemoryStream();
// act
await mapper.RemapAsync(',');
outStream.Seek(0, SeekOrigin.Begin);
var asText = Encoding.UTF8.GetString(outStream.ToArray());
// assert
Assert.DoesNotContain("bat", asText);
}
public async Task Remap_MutatorWasRun()
{
// arrange
var config = GetTestConfig();
var parser = GetTestParser().UseHeaders();
var mapper = new CsvMapper(parser, _outStream);
mapper.Load(config);
// act
await mapper.RemapAsync(',');
// assert
_outStream.Seek(0, SeekOrigin.Begin);
var asText = Encoding.UTF8.GetString(_outStream.ToArray());
var lines = asText.Split(Environment.NewLine);
var firstRecord = lines[1];
var fields = firstRecord.Split(',');
Assert.Equal("unknown", fields[0]);
}
public async Task Remap_Writes_TransformedFields()
{
// arrange
var config = GetTestConfig();
var parser = GetTestParser().UseHeaders();
var mapper = new CsvMapper(parser, _outStream);
mapper.Load(config);
// act
await mapper.RemapAsync(',');
// assert
_outStream.Seek(0, SeekOrigin.Begin);
var asText = Encoding.UTF8.GetString(_outStream.ToArray());
var firstLine = asText.Split(Environment.NewLine, StringSplitOptions.RemoveEmptyEntries)[0];
var fields = firstLine.Split(',');
Assert.Equal("foo-1", fields[0]);
Assert.Equal("bar-1", fields[1]);
Assert.Equal("baz-1", fields[2]);
}
