public void ReportingEngine_LoadReportFilePath_MissingAppConfigKey_ShouldThrowException()
{
// ARRANGE
ReportingEngine engine = null;
string resultPath = string.Empty;
this._mockConfigurationProvider.Setup(x => x.HasKey("ReportFile")).Returns(false);
engine = this.CreateEngineUsingFakes();
// ACT
// No act because we're checking an exception
// ASSERT
Assert.Throws <ArgumentException>(() => resultPath = engine.LoadReportFilePath(), "The method should have thrown an exception.");
Assert.IsEmpty(resultPath, "No path should have been assigned.");
} // end test
public void ReportingEngine_LoadReportFilePath_WithValidConfigEntry_ShouldLoadFullPath()
{
// ARRANGE
ReportingEngine engine = null;
string resultPath = string.Empty;
string expectedPath = Path.Combine(Environment.CurrentDirectory, "myfile.txt");
this._mockConfigurationProvider.Setup(x => x.HasKey("ReportFile")).Returns(true);
this._mockConfigurationProvider.Setup(x => x.GetValue <string>("ReportFile")).Returns("myfile.txt");
this._mockFileSystemProvider.Setup(x => x.BuildPath(It.IsAny <string[]>())).Returns(expectedPath);
engine = this.CreateEngineUsingFakes();
// ACT
resultPath = engine.LoadReportFilePath();
// ASSERT
Assert.IsNotEmpty(resultPath, "The path should have been returned.");
Assert.AreEqual(expectedPath, resultPath, "The returned path wasn't what it should have been.");
} // end test