public void IsBrowserDocumentRequest_ReturnsTrue_ForRequestsThatAcceptAnyHtml()
{
// Arrange
var context = new DefaultHttpContext
{
Request =
{
Method = "Post",
Headers =
{
["Accept"] = "application/json,text/*+html;q=0.9",
},
},
};
// Act
var result = BrowserRefreshMiddleware.IsBrowserDocumentRequest(context);
// Assert
Assert.True(result);
}
public void IsBrowserDocumentRequest_ReturnsFalse_IsRequestDoesNotAcceptHtml()
{
// Arrange
var context = new DefaultHttpContext
{
Request =
{
Method = "GET",
Headers =
{
["Accept"] = "application/xml",
},
},
};
// Act
var result = BrowserRefreshMiddleware.IsBrowserDocumentRequest(context);
// Assert
Assert.False(result);
}
public void IsBrowserDocumentRequest_ReturnsFalse_ForNonGetOrPostRequests(string method)
{
// Arrange
var context = new DefaultHttpContext
{
Request =
{
Method = method,
Headers =
{
["Accept"] = "application/html",
},
},
};
// Act
var result = BrowserRefreshMiddleware.IsBrowserDocumentRequest(context);
// Assert
Assert.False(result);
}
public void IsBrowserDocumentRequest_ReturnsTrue_IfRequestDoesNotHaveFetchMetadataRequestHeader()
{
// Arrange
var context = new DefaultHttpContext
{
Request =
{
Method = "GET",
Headers =
{
["Accept"] = "text/html",
},
},
};
// Act
var result = BrowserRefreshMiddleware.IsBrowserDocumentRequest(context);
// Assert
Assert.True(result);
}
public void IsBrowserDocumentRequest_ReturnsFalse_IfRequestFetchMetadataRequestHeaderIsNotDocument(string headerValue)
{
// Arrange
var context = new DefaultHttpContext
{
Request =
{
Method = "Post",
Headers =
{
["Accept"] = "text/html",
["Sec-Fetch-Dest"] = headerValue,
},
},
};
// Act
var result = BrowserRefreshMiddleware.IsBrowserDocumentRequest(context);
// Assert
Assert.False(result);
}
public async Task InvokeAsync_AddsScriptToThePage()
{
// Arrange
var stream = new MemoryStream();
var context = new DefaultHttpContext
{
Request =
{
Method = "GET",
Headers = { ["Accept"] = "text/html" },
},
Response =
{
Body = stream
},
};
var middleware = new BrowserRefreshMiddleware(async(context) =>
{
context.Response.ContentType = "text/html";
await context.Response.WriteAsync("<html>");
await context.Response.WriteAsync("<body>");
await context.Response.WriteAsync("<h1>");
await context.Response.WriteAsync("Hello world");
await context.Response.WriteAsync("</h1>");
await context.Response.WriteAsync("</body>");
await context.Response.WriteAsync("</html>");
}, NullLogger <BrowserRefreshMiddleware> .Instance);
// Act
await middleware.InvokeAsync(context);
// Assert
var responseContent = Encoding.UTF8.GetString(stream.ToArray());
Assert.Equal("<html><body><h1>Hello world</h1><script src=\"/_framework/aspnetcore-browser-refresh.js\"></script></body></html>", responseContent);
}