public async Task InvokeAsync_ConfiguresHeaders()
{
// Arrange
var context = new DefaultHttpContext();
context.Response.Body = new MemoryStream();
var middleware = new BrowserScriptMiddleware(_next, BrowserScriptMiddleware.GetWebSocketClientJavaScript("some-host", "test-key"));
// Act
await middleware.InvokeAsync(context);
// Assert
var response = context.Response;
Assert.Collection(
response.Headers.OrderBy(h => h.Key),
kvp =>
{
Assert.Equal("Cache-Control", kvp.Key);
Assert.Equal("no-store", kvp.Value);
},
kvp =>
{
Assert.Equal("Content-Length", kvp.Key);
Assert.NotEmpty(kvp.Value);
},
kvp =>
{
Assert.Equal("Content-Type", kvp.Key);
Assert.Equal("application/javascript; charset=utf-8", kvp.Value);
});
}
public async Task InvokeAsync_ReturnsScript()
{
// Arrange
var context = new DefaultHttpContext();
var stream = new MemoryStream();
context.Response.Body = stream;
var middleware = new BrowserScriptMiddleware(_next, BrowserScriptMiddleware.GetWebSocketClientJavaScript("some-host"));
// Act
await middleware.InvokeAsync(context);
// Assert
stream.Position = 0;
var script = Encoding.UTF8.GetString(stream.ToArray());
Assert.Contains("// dotnet-watch browser reload script", script);
Assert.Contains("'some-host'", script);
}
public Action <IApplicationBuilder> Configure(Action <IApplicationBuilder> next)
{
return(app =>
{
app.Map(ApplicationPaths.ClearSiteData, app1 => app1.Run(context =>
{
// Scoped css files can contain links to other css files. We'll try clearing out the http caches to force the browser to re-download.
// See https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Clear-Site-Data#directives
context.Response.Headers["Clear-Site-Data"] = "\"cache\"";
return Task.CompletedTask;
}));
app.Map(ApplicationPaths.BlazorHotReloadMiddleware, app1 => app1.UseMiddleware <BlazorWasmHotReloadMiddleware>());
app.Map(ApplicationPaths.BrowserRefreshJS,
app1 => app1.UseMiddleware <BrowserScriptMiddleware>(BrowserScriptMiddleware.GetBrowserRefreshJS()));
app.Map(ApplicationPaths.BlazorHotReloadJS,
app1 => app1.UseMiddleware <BrowserScriptMiddleware>(BrowserScriptMiddleware.GetBlazorHotReloadJS()));
app.UseMiddleware <BrowserRefreshMiddleware>();
next(app);
});
}