public void PDFComponent_Attach_NewComponent_Success()
{
// Prepare 'IPDFDocumentObserver'
var childComponent = new Mock <IPDFChildComponent>();
var documentObserver = childComponent.As <IPDFDocumentObserver>();
var documentClosedCounter = 0;
documentObserver.Setup(a => a.DocumentClosed()).Callback(() => documentClosedCounter++);
var documentClosingCounter = 0;
documentObserver.Setup(a => a.DocumentClosing()).Callback(() => documentClosingCounter++);
var documentOpenedCounter = 0;
var openedFile = string.Empty;
documentObserver.Setup(a => a.DocumentOpened(It.IsAny <string>())).Callback <string>((file) =>
{
documentOpenedCounter++;
openedFile = file;
});
var documentFailedCounter = 0;
var failedFile = string.Empty;
documentObserver.Setup(a => a.DocumentOpenFailed(It.IsAny <string>())).Callback <string>((file) =>
{
documentFailedCounter++;
failedFile = file;
});
var documentOpeningCounter = 0;
var openingFile = string.Empty;
documentObserver.Setup(a => a.DocumentOpening(It.IsAny <string>())).Callback <string>((file) =>
{
documentOpeningCounter++;
openingFile = file;
});
var pdfFileExists = Path.Combine(_pdfFilesFolder, "Precalculus.pdf");
var pdfFileDoesNotExist = Path.Combine(_pdfFilesFolder, "FileDoesNotExist.pdf");
var component = new PDFComponent();
component.Attach(childComponent.Object);
// Check before any operation processed
Assert.AreEqual(0, documentClosedCounter);
Assert.AreEqual(0, documentClosingCounter);
Assert.AreEqual(0, documentOpenedCounter);
Assert.AreEqual(0, documentFailedCounter);
Assert.AreEqual(0, documentOpeningCounter);
Assert.AreEqual(string.Empty, openedFile);
Assert.AreEqual(string.Empty, failedFile);
Assert.AreEqual(string.Empty, openingFile);
// Open pdf document
component.OpenDocument(pdfFileExists);
Assert.IsTrue(component.IsDocumentOpened);
// Check values
Assert.AreEqual(0, documentClosedCounter);
Assert.AreEqual(0, documentClosingCounter);
Assert.AreEqual(1, documentOpenedCounter);
Assert.AreEqual(0, documentFailedCounter);
Assert.AreEqual(1, documentOpeningCounter);
Assert.AreEqual(pdfFileExists, openedFile);
Assert.AreEqual(string.Empty, failedFile);
Assert.AreEqual(pdfFileExists, openingFile);
// Reset values
openedFile = string.Empty;
openingFile = string.Empty;
// Close pdf document
component.CloseDocument();
Assert.IsFalse(component.IsDocumentOpened);
// Check values
Assert.AreEqual(1, documentClosedCounter);
Assert.AreEqual(1, documentClosingCounter);
Assert.AreEqual(1, documentOpenedCounter);
Assert.AreEqual(0, documentFailedCounter);
Assert.AreEqual(1, documentOpeningCounter);
Assert.AreEqual(string.Empty, openedFile);
Assert.AreEqual(string.Empty, failedFile);
Assert.AreEqual(string.Empty, openingFile);
// Reset values
documentClosedCounter = 0;
documentClosingCounter = 0;
documentOpenedCounter = 0;
documentFailedCounter = 0;
documentOpeningCounter = 0;
// Open pdf document that does not exist
component.OpenDocument(pdfFileDoesNotExist);
Assert.IsFalse(component.IsDocumentOpened);
// Check values
Assert.AreEqual(0, documentClosedCounter);
Assert.AreEqual(0, documentClosingCounter);
Assert.AreEqual(0, documentOpenedCounter);
Assert.AreEqual(1, documentFailedCounter);
Assert.AreEqual(1, documentOpeningCounter);
Assert.AreEqual(string.Empty, openedFile);
Assert.AreEqual(pdfFileDoesNotExist, failedFile);
Assert.AreEqual(pdfFileDoesNotExist, openingFile);
// Reset values
failedFile = string.Empty;
openingFile = string.Empty;
// Close pdf document
component.CloseDocument();
Assert.IsFalse(component.IsDocumentOpened);
// Check values
Assert.AreEqual(0, documentClosedCounter);
Assert.AreEqual(0, documentClosingCounter);
Assert.AreEqual(0, documentOpenedCounter);
Assert.AreEqual(1, documentFailedCounter);
Assert.AreEqual(1, documentOpeningCounter);
Assert.AreEqual(string.Empty, openedFile);
Assert.AreEqual(string.Empty, failedFile);
Assert.AreEqual(string.Empty, openingFile);
// Reset values
documentClosedCounter = 0;
documentClosingCounter = 0;
documentOpenedCounter = 0;
documentFailedCounter = 0;
documentOpeningCounter = 0;
// Close not opened pdf document
component.CloseDocument();
Assert.IsFalse(component.IsDocumentOpened);
// Check values
Assert.AreEqual(0, documentClosedCounter);
Assert.AreEqual(0, documentClosingCounter);
Assert.AreEqual(0, documentOpenedCounter);
Assert.AreEqual(0, documentFailedCounter);
Assert.AreEqual(0, documentOpeningCounter);
Assert.AreEqual(string.Empty, openedFile);
Assert.AreEqual(string.Empty, failedFile);
Assert.AreEqual(string.Empty, openingFile);
component.Dispose();
}