public async Task ReadTextAsync_WithNullFileBrowser()
{
// arrange
var adapter = new BrowserFileAdapter();
// act - assert
await Assert.ThrowsAsync <ArgumentNullException>(() =>
adapter.ReadTextAsync(null)).ConfigureAwait(false);
}
public async Task SaveTextAsAsync_WithValidText()
{
// arrange
var adapter = new BrowserFileAdapter();
// act
await adapter.SaveTextAsAsync(
_jsRuntime,
"TestFile",
IBrowserFileAdapter.FileType.CSV,
"Test data to save").ConfigureAwait(false);
// assert
}
public async Task ReadTextAsync_WithUnsupportedContentType()
{
// arrange
var adapter = new BrowserFileAdapter();
var mockBrowserFile = new Mock <IBrowserFile>();
mockBrowserFile.SetupGet(p => p.ContentType).Returns("application/exe");
// act - assert
await Assert.ThrowsAsync <NotSupportedException>(() =>
adapter.ReadTextAsync(mockBrowserFile.Object))
.ConfigureAwait(false);
}
public async Task ReadTextAsync_WithInputErrors(string jsRuntime, string filename, string data)
{
// arrange
var adapter = new BrowserFileAdapter();
var js = string.IsNullOrEmpty(jsRuntime) ? null : _jsRuntime;
// act - assert
await Assert.ThrowsAsync <ArgumentNullException>(() =>
adapter.SaveTextAsAsync(
js,
filename,
IBrowserFileAdapter.FileType.CSV,
data)).ConfigureAwait(false);
}
public async Task ReadTextAsync_WithStreamException()
{
// arrange
var adapter = new BrowserFileAdapter();
var mockBrowserFile = new Mock <IBrowserFile>();
mockBrowserFile.Setup(f => f.OpenReadStream(512000, default))
.Throws <FileLoadException>();
mockBrowserFile.SetupGet(p => p.ContentType).Returns(_mimeTypeJson);
// act - assert
await Assert.ThrowsAsync <FileLoadException>(() =>
adapter.ReadTextAsync(mockBrowserFile.Object))
.ConfigureAwait(false);
}
public async Task ReadTextAsync_WithValidStream()
{
// arrange
var text = "Data persisted in stream.";
var adapter = new BrowserFileAdapter();
var stream = new MemoryStream(Encoding.ASCII.GetBytes(text));
var mockBrowserFile = new Mock <IBrowserFile>();
mockBrowserFile.Setup(f => f.OpenReadStream(512000, default))
.Returns(stream);
mockBrowserFile.SetupGet(p => p.ContentType).Returns(_mimeTypeJson);
// act
var result = await adapter.ReadTextAsync(mockBrowserFile.Object)
.ConfigureAwait(false);
// assert
Assert.Equal(text, result);
}
