public void GetDetailFor1Arg()
{
var reader = new FileDataReader(_fileData);
var result = Assert.Throws <ArgumentException>(() => reader.GetDetail(new string[] { "-v" }));
Assert.NotNull(result);
Assert.Equal($"Two arguments must be provided: the first to define the mode, the second to specify the file.{Environment.NewLine}Arguments recieved: '-v'", result.Message);
}
public void GetDetailForValidSizeStrings(string detailTypeString)
{
var reader = new FileDataReader(_fileData);
var result = reader.GetDetail(detailTypeString, "c:/test.txt");
Assert.NotNull(result);
Assert.NotEmpty(result);
Assert.True(int.TryParse(result, out int size)); //the size string can be parsed as an int
}
public void GetDetailForInvalidStrings_argsArray(string detailTypeString)
{
var reader = new FileDataReader(_fileData);
var result = Assert.Throws <ArgumentException>(() => reader.GetDetail(new string[] { detailTypeString, "c:/test.txt" }));
Assert.NotNull(result);
Assert.Contains(detailTypeString, result.Message);
Assert.Equal($"'{detailTypeString}' is not a valid detail type argument.{Environment.NewLine}" +
$"Please use '-v' or '--version' as the first argument to read the file version or '-s' or '--size' as the first argument to read the file size.", result.Message);
}
public void GetDetailForValidVersionStrings_argsArray(string detailTypeString)
{
var reader = new FileDataReader(_fileData);
var result = reader.GetDetail(new string[] { detailTypeString, "c:/test.txt" });
Assert.NotNull(result);
Assert.NotEmpty(result);
var parts = result.Split('.');
Assert.Equal(3, parts.Length); //there are three parts
Assert.All(parts, p =>
Assert.True(int.TryParse(p, out int versionPart)) //each part can be parsed as an int.
);
}
