public async Task Execute_Throws_ForNonLocalUrl(
        string appRoot,
        string contentPath)
    {
        // Arrange
        var httpContext   = GetHttpContext(appRoot);
        var actionContext = GetActionContext(httpContext);
        var result        = new LocalRedirectResult(contentPath);

        // Act & Assert
        var exception = await Assert.ThrowsAsync <InvalidOperationException>(() => result.ExecuteResultAsync(actionContext));

        Assert.Equal(
            "The supplied URL is not local. A URL with an absolute path is considered local if it does not " +
            "have a host/authority part. URLs using virtual paths ('~/') are also local.",
            exception.Message);
    }
    public async Task Execute_ReturnsExpectedValues()
    {
        // Arrange
        var appRoot      = "/";
        var contentPath  = "~/Home/About";
        var expectedPath = "/Home/About";

        var httpContext   = GetHttpContext(appRoot);
        var actionContext = GetActionContext(httpContext);
        var result        = new LocalRedirectResult(contentPath);

        // Act
        await result.ExecuteResultAsync(actionContext);

        // Assert
        Assert.Equal(expectedPath, httpContext.Response.Headers.Location.ToString());
        Assert.Equal(StatusCodes.Status302Found, httpContext.Response.StatusCode);
    }