public async Task ReadFile_CheckValues()
{
//Setup
var line = new LineModel()
{
TimeSpan = new TimeModel()
{
Years = 1,
Months = 6,
Weeks = 1,
Days = 2,
Minutes = 3
},
DataSet = 12,
Value = 2150
};
var parser = new Mock <ILineParser>();
parser.Setup(p => p.ParseLine(It.IsAny <string>())).Returns(line);
//Operation
ITimeFileReader reader = new TimeFileReader(config.Object, parser.Object);
var result = await reader.ReadFile();
//Assertions
Assert.AreEqual(result[0].DataSet, 12);
Assert.AreEqual(result[0].Value, 2150);
Assert.AreEqual(result[0].TimeSpan.Years, 1);
Assert.AreEqual(result[0].TimeSpan.Months, 6);
Assert.AreEqual(result[0].TimeSpan.Weeks, 1);
Assert.AreEqual(result[0].TimeSpan.Days, 2);
Assert.AreEqual(result[0].TimeSpan.Minutes, 3);
}
public async Task ParseLine_Called()
{
//Setup
var parser = new Mock <ILineParser>();
parser.Setup(p => p.ParseLine(It.IsAny <string>())).Returns(new LineModel());
//Operation
ITimeFileReader reader = new TimeFileReader(config.Object, parser.Object);
await reader.ReadFile();
//Assertions
parser.Verify(p => p.ParseLine(It.IsAny <string>()), Times.AtLeastOnce());
}
public async Task ParseLine_Called_Times()
{
//Setup
var parser = new Mock <ILineParser>();
parser.Setup(p => p.ParseLine(It.IsAny <string>())).Returns(It.IsAny <LineModel>());
//Operation
ITimeFileReader reader = new TimeFileReader(config.Object, parser.Object);
var result = await reader.ReadFile();
//Assertions
Assert.AreEqual(result.Count, 7);
//Question: Why 7? test-data.txt file has 7 records.
//Question: Why Actual file and not mock? We are using FileStream, BufferedStream, StreamReader for reading file.
//No point is mocking them
}
public async Task ReadFile_NotExists()
{
//Setup
var parser = new Mock <ILineParser>();
var configTemp = new Mock <IConfiguration>();
var configurationSection = new Mock <IConfigurationSection>();
configurationSection.Setup(a => a.Value).Returns("file-does-not-exits.txt");
configTemp.Setup(a => a.GetSection("FileToParse")).Returns(configurationSection.Object);
//Operation
ITimeFileReader reader = new TimeFileReader(configTemp.Object, parser.Object);
var result = await reader.ReadFile();
//Assertions
//Exception assertion
}