public void testImportValidData()
{
Jester dataCollector = new Jester();
Mock <FileContentImporter> mockImporter = new Mock <FileContentImporter>();
Ingester dataIngester = new Ingester();
dataIngester.Collector = dataCollector;
dataIngester.Importer = mockImporter.Object;
string[] data = new string[1];
DateTime expectedDate = new DateTime(2019, 10, 1);
data[0] = "a,\"b,c\",1.0,2.0,3.0," + expectedDate + ",4.0";
string filePath = "abc.csv";
mockImporter.Setup(imp => imp.import(filePath)).Returns(data).Verifiable();
dataIngester.ingest(filePath);
List <HistoricalPrecipitation> collector = dataCollector.PrecipitationHistory;
Assert.IsNotEmpty(collector);
Assert.IsTrue(collector.Count == 1);
Assert.AreEqual(expectedDate, collector[0].RecordedDate);
mockImporter.Verify(imp => imp.import(filePath), Times.Once);
}
public void testImportNoData()
{
Jester dataCollector = new Jester();
Mock <FileContentImporter> mockImporter = new Mock <FileContentImporter>();
Ingester dataIngester = new Ingester();
dataIngester.Collector = dataCollector;
dataIngester.Importer = mockImporter.Object;
string[] data = new string[0];
string filePath = "abc.csv";
mockImporter.Setup(imp => imp.import(filePath)).Returns(data).Verifiable();
dataIngester.ingest(filePath);
Assert.IsEmpty(dataCollector.PrecipitationHistory);
mockImporter.Verify(imp => imp.import(filePath), Times.Once);
}