public void DemoSpyTest()
{
using (ShimsContext.Create()) {
int cont = 0;
const string filename = @"D:\Cursos\dotnet\MSTEST20200518\Demos.Tests\AreaTest.csv";
System.IO.Fakes.ShimFile.ReadAllLinesString = s => {
Assert.AreEqual(filename, s);
cont++;
string[] rslt = null;
ShimsContext.ExecuteWithoutShims(() => { rslt = File.ReadAllLines(s); });
return(rslt);
};
var arrage = new LoadTextFile(filename);
Assert.AreEqual(1, cont);
AreEqual(4, arrage.Size);
}
}
public void DemoShimTest()
{
var obj = new LoadTextFile(@"D:\Cursos\dotnet\MSTEST20200518\Demos.Tests\AreaTest.csv");
IProcessTextFile calc = new StubIProcessTextFile()
{
CalculateILoadTextFile = (ILoadTextFile arg) => arg.Size == 3 ? "OK" : "KO"
};
using (Microsoft.QualityTools.Testing.Fakes.ShimsContext.Create()) {
System.IO.Fakes.ShimFile.ReadAllLinesString =
s => new string[] { "cero", "uno", "dos" };
var arrage = new LoadTextFile(@"D:\Cursos\dotnet\MSTEST20200518\Demos.Tests\AreaTest.csv");
Assert.IsTrue(arrage.IsLoad);
Assert.AreEqual(3, arrage.Size);
Assert.AreEqual("dos", arrage.Lines[2]);
Assert.AreEqual("uno", arrage.Lines[1]);
Assert.AreEqual("cero", arrage.Lines[0]);
var rslt = calc.Calculate(arrage);
IsNotNull(arrage);
//AreEqual(4, arrage.Size);
AreEqual("OK", rslt);
}
}
