Test Case

better-unit-test-in-c#-article-test-case.cs

static object[] BoxAndLabelsAndThings_OpenBoxThenPutThingInsideThenCloseBoxAndWriteLogs_ThingsWithLabelEndedWithIgnoreExpected_1()
{
  var writeLogMock = new Mock<WriteLog>(MockBehavior.Strict);
  var boxMock = new Mock<IBox>(MockBehavior.Strict);

  var mockSequence = new MockSequence();

  boxMock.InSequence(mockSequence).Setup(box => box.Open());
  writeLogMock.InSequence(mockSequence).Setup(writeLog => writeLog("The box is opened."));
  boxMock.InSequence(mockSequence).Setup(box => box.PutInside(new Thing { Size = 1 }, "Label 1")).Returns(true);
  boxMock.InSequence(mockSequence).Setup(box => box.PutInside(new Thing { Size = 2 }, "Label 2 Ignore")).Returns(false);
  boxMock.InSequence(mockSequence).Setup(box => box.PutInside(new Thing { Size = 3 }, "Label 3")).Returns(true);
  boxMock.InSequence(mockSequence).Setup(box => box.Close());
  writeLogMock.InSequence(mockSequence).Setup(writeLog => writeLog("The box is closed."));

  var args = new Args
  {
      Box = boxMock.Object,
      LabelsAndThings = new Dictionary<string, Thing>
      {
          { "Label 1", new Thing { Size = 1 } },
          { "Label 2 Ignore", new Thing { Size = 2 } },
          { "Label 3", new Thing { Size = 3 } },
      },
      WriteLog = writeLogMock.Object
  };

  var expected = new Dictionary<string, Thing>
  {
      { "Label 2 Ignore", new Thing { Size = 2 } },
  };

  return new object[] { args, expected };
}