public void AnalyzeFile_FileWith3Line_CallLogProvider3TimesEvenLessBrittle()
{
Mock <ILogProvider> logProviderStub = new Mock <ILogProvider>();
logProviderStub.Setup(l => l.GetLineCount()).Returns(3);
logProviderStub.Setup(l => l.GetText(It.IsAny <string>(), It.IsAny <int>(), It.IsAny <int>()))
.Returns <string, int, int>((s, i1, i2) => new string('A', i2 - i1 + 1));
LogAnalyzer target = new LogAnalyzer(logProviderStub.Object);
var result = target.AnalyzeFile("any file name");
Assert.AreEqual("AAA", result.AllLines);
}
public void AnalyzeFile_FileWith3Line_CallLogProvider3Times()
{
Mock <ILogProvider> logProviderMock = new Mock <ILogProvider>();
logProviderMock.Setup(l => l.GetLineCount()).Returns(3);
LogAnalyzer target = new LogAnalyzer(logProviderMock.Object);
target.AnalyzeFile("any file name");
logProviderMock.Verify(l => l.GetText("any file name", 1, 1), Times.Once());
logProviderMock.Verify(l => l.GetText("any file name", 2, 2), Times.Once());
logProviderMock.Verify(l => l.GetText("any file name", 3, 3), Times.Once());
}