public void ServiceReaderSaveDocumentWherePathIsInvalid()
{
// ---Arrange---
// Create a mock input file
var doc = new FlowDocument();
// Create a mock path
var path = @"ThisIsNotAValidPath";
// Setup mock file system starting state
var mockFileSystem = new MockFileSystem();
mockFileSystem.AddDirectory(@"c:\tests\");
// Create ServiceReaderJSON with mock file system
var serviceReader = new ServiceReaderJSON(mockFileSystem);
// ---Act---
// process input file
var ex = Assert.ThrowsException <Exception>(() =>
{
var task = serviceReader.SaveDocument(doc, path);
task.Wait();
});
// ---Assert---
// Check if correct exception was thrown
Assert.AreEqual(ex.Message, $"Document cannot be null.");
}
public void ServiceReaderSavesFileOnMockFileSystem()
{
// ---Arrange---
// Create a mock input file
var doc = new FlowDocument();
// Setup mock file system starting state
var mockFileSystem = new MockFileSystem();
mockFileSystem.AddDirectory(@"c:\tests\");
// Create ServiceReaderJSON with mock file system
var serviceReader = new ServiceReaderJSON(mockFileSystem);
// ---Act---
// process input file
var path = @"c:\tests\savedDoc.json";
var task = serviceReader.SaveDocument(doc, path);
task.Wait();
// ---Assert---
// Check mock file system for output file
Assert.IsTrue(mockFileSystem.FileExists(@"c:\tests\savedDoc.json"));
// Check if output file in mock file system has content
var savedJSONfile = mockFileSystem.GetFile(@"c:\tests\savedDoc.json");
var contents = savedJSONfile.TextContents;
Assert.IsNotNull(contents);
}