public async Task RetrieveAsync_WithStorageFolder_ThrowsException_IfFolderIsNull()
{
StorageManager storageManager = new StorageManager();
StorageFolder folder = null;
string name = GetTestFilename();
await AssertEx.ThrowsExceptionAsync<ArgumentNullException>(() => storageManager.RetrieveAsync<TestData>(folder, name));
}
public async Task RetrieveAsync_WithStorageFolder_ReturnsNullIfFileDoesNotExist()
{
StorageManager storageManager = new StorageManager();
StorageFolder folder = ApplicationData.Current.TemporaryFolder;
string name = GetTestFilename();
TestData retrievedData = await storageManager.RetrieveAsync<TestData>(folder, name);
Assert.Null(retrievedData);
}
public async Task RetrieveAsync_WithStorageFolder_ThrowsException_IfFolderIsNull()
{
StorageManager storageManager = new StorageManager();
StorageFolder folder = null;
string name = GetTestFilename();
var e = await Assert.ThrowsAsync<ArgumentNullException>(() => storageManager.RetrieveAsync<TestData>(folder, name));
Assert.Equal("Value cannot be null.\r\nParameter name: folder", e.Message);
Assert.Equal("folder", e.ParamName);
}
public async Task RetrieveAsync_WithStorageFile_ThrowsException_IfFileIsNull()
{
StorageManager storageManager = new StorageManager();
var e = await Assert.ThrowsAsync<ArgumentNullException>(() => storageManager.RetrieveAsync<TestData>(null));
Assert.Equal("Value cannot be null.\r\nParameter name: file", e.Message);
Assert.Equal("file", e.ParamName);
}
public async Task StoreAsyncRetrieveAsync_WithStorageFile_PersistsFileViaStorage()
{
StorageManager storageManager = new StorageManager();
StorageFolder folder = ApplicationData.Current.TemporaryFolder;
StorageFile file = await folder.CreateFileAsync(GetTestFilename(), CreationCollisionOption.ReplaceExisting);
// Store some test data
TestData data = new TestData() { Text = "Test Text", Number = 42 };
await storageManager.StoreAsync(file, data);
// Retrieve and validate the data from the file
TestData retrievedData = await storageManager.RetrieveAsync<TestData>(file);
Assert.Equal("Test Text", retrievedData.Text);
Assert.Equal(42, retrievedData.Number);
}
public async Task RetrieveAsync_WithStorageFolder_ThrowsException_IfNameIsEmpty()
{
StorageManager storageManager = new StorageManager();
StorageFolder folder = ApplicationData.Current.TemporaryFolder;
var e = await Assert.ThrowsAsync<ArgumentException>(() => storageManager.RetrieveAsync<TestData>(folder, ""));
Assert.Equal("The argument cannot be null or an empty string.\r\nParameter name: name", e.Message);
Assert.Equal("name", e.ParamName);
}
public async Task RetrieveAsync_WithStorageFolder_ThrowsException_IfNameIsEmpty()
{
StorageManager storageManager = new StorageManager();
StorageFolder folder = ApplicationData.Current.TemporaryFolder;
await AssertEx.ThrowsExceptionAsync<ArgumentException>(() => storageManager.RetrieveAsync<TestData>(folder, ""));
}
public async Task RetrieveAsync_WithStorageFile_ThrowsException_IfFileIsNull()
{
StorageManager storageManager = new StorageManager();
await AssertEx.ThrowsExceptionAsync<ArgumentNullException>(() => storageManager.RetrieveAsync<TestData>(null));
}
