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Web scraping: How to test if the root tag has a particular CSS class?


By : Ellen Bregman
Date : October 18 2020, 08:10 AM
seems to work fine I would keep it more general and use a css tag selector then test each class
code :
soup = BeautifulSoup(html, 'lxml')
results = [(i.get('class'), True) if i.get('class')[0] == "x--player-is-starter" else (i.get('class'), False) for i in soup.select('tr')]
print(results)


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grails test-app unit test class not finding latest version of class under test (cannot find symbol)


By : Aniket Raghuwanshi
Date : March 29 2020, 07:55 AM
it helps some times Try the following:
Run refresh dependencies on your project. (Alt+G R while selecting the project) Run your tests again. Working? try running test-app on the command line. Does it work? You can also try right-clicking on the tests Run As -> JUnit test

NHibernate testing strategy: one test suite per root or per class/mapping


By : Tyler Auer
Date : March 29 2020, 07:55 AM
this one helps. Yes, when testing that my mappings are working as expected, I test at the class level and test each of that individual classes relationships.
For instance, if I have a Customer object which has a list of Order objects, I would write integration tests for my Customer object to ensure that I can do all of the CRUD operations on that object. I would then write tests for all of the relationships that the Customer object has such as having a list of Orders, Addresses, etc. Those tests would cover things such as cascading inserts/updates/deletes and the ability to eagerly fetch those child collections in a query.
code :
public class Customer
{
    public int CustomerId { get; set; }
    public string CompanyName { get; set; }
    public IList<Address> Addresses { get; set; }
    public IList<Order> Orders { get; set; }
}

public class Address
{
    public int AddressId { get; set; }
}

public class Order
{
    public int OrderId { get; set; }
    public string Status { get; set; }
    public IList<OrderDetail> OrderDetails { get; set; }
}

public class OrderDetail
{
    public int OrderDetailId { get; set; }
    public string City { get; set; }
}

[TestFixture]
public class CustomerMappingTests
{
    private ISession session;

    [SetUp]
    public void SetUp()
    {
        session = UnitOfWork.Current.GetSession();
    }

    [TearDown]
    public void TearDown()
    {
        session.Dispose();
    }

    [Test]
    public void CanGetCustomer()
    {
        // Arrange
        const int customerId = 1;

        // Act
        var customer = session.Query<Customer>()
            .Where( x => x.CustomerId == customerId )
            .FirstOrDefault();

        // Assert
        Assert.NotNull( customer );
        Assert.That( customer.CustomerId == customerId );
    }

    [Test]
    public void CanGetCustomerAddresses()
    {
        // Arrange
        const int customerId = 1;

        // Act
        var customer = session.Query<Customer>()
            .Where( x => x.CustomerId == customerId )
            .Fetch( x => x.Addresses )
            .FirstOrDefault();

        // Assert
        Assert.NotNull( customer.Addresses.Count > 0 );
    }

    [Test]
    public void CanGetCustomerOrders()
    {
        // Arrange
        const int customerId = 1;

        // Act
        var customer = session.Query<Customer>()
            .Where( x => x.CustomerId == customerId )
            .Fetch( x => x.Orders )
            .FirstOrDefault();

        // Assert
        Assert.NotNull( customer.Orders.Count > 0 );
    }

    [Test]
    public void CanSaveCustomer()
    {
        // Arrange
        const string companyName = "SnapShot Corporation";
        var customer = new Customer { CompanyName = companyName };

        // Act
        session.Save( customer );

        session.Flush(); // Update the database right away
        session.Clear(); // Clear cache

        var customer2 = session.Query<Customer>()
            .Where( x => x.CompanyName == companyName )
            .FirstOrDefault();

        // Assert
        Assert.NotNull( customer2 );
        Assert.That( customer2.CompanyName == companyName );
    }
}

How to test GrailsPlugin class at project root


By : scairt
Date : March 29 2020, 07:55 AM
I hope this helps . I haven't tried it, but maybe you can do something like the following in your Spock Specification's setup method to create an instance of your plugin class:
code :
def gcl = new GroovyClassLoader()
def pluginDir = new File('.')
gcl.addClasspath(pluginDir.canonicalPath)
def pluginClass = gcl.loadClass('QuartzGrailsPlugin')
def plugin = pluginClass.newInstance()

Move ASP.NET test Startup class outside of project root directory?


By : user2943992
Date : March 29 2020, 07:55 AM
Any of those help From a lot of experimenting and research, it seems it is currently not possible to move the Startup class, due to a bug with it not respecting the ContentRoot path set using the UseContentRoot method. This bug is tracked by issue #11921 on AspNetCore GitHub.
A very hacky workaround if you need to be able to inject dependencies from a test project, is to create a static class Dependencies in your main project, with a static Action RegisterDependencies field, which you then call in the Startup class:
code :
public void ConfigureServices(IServiceCollection services)
{
    services.AddRazorPages();
    services.AddServerSideBlazor();
    Dependencies.RegisterDependencies(services);
}
public static void Main(string[] args)
{
    Dependencies.RegisterDependencies = s =>
    {
        s.AddSingleton<IWeatherForecastService, WeatherForecastService>();
    };

    CreateHostBuilder(args).Build().Run();
}
Dependencies.RegisterDependencies = s =>
{
    s.AddSingleton<IWeatherForecastService, MockWeatherForecastService>();
};

For-loop and Augmented Dickey-Fuller unit root test (ADF test)


By : user3163798
Date : March 29 2020, 07:55 AM
this one helps. The result from summary is just some text, in any case, you didn't assign these results anywhere
code :
MY_LIST=vector("list",ncol(MY_DATA))
for(i in 1:ncol(MY_DATA)){
  MY_LIST[[i]]=list(
    summary(ur.df(MY_DATA[i], type = "drift",selectlags = c("BIC"))),
    summary(ur.df(MY_DATA[i], type = "trend",selectlags = c("BIC"))),
    summary(ur.df(MY_DATA[i], type = "none",selectlags = c("BIC")))
  )
}
MY_LIST=apply(MY_DATA,2,function(x){
  return(
    list(
      summary(ur.df(x, type = "drift",selectlags = c("BIC"))),
      summary(ur.df(x, type = "trend",selectlags = c("BIC"))),
      summary(ur.df(x, type = "none",selectlags = c("BIC")))
    )
  )
})
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