public static MockedIdentityDbContext <T, TU> GetIdentityMockContext <T, TU>() where T : IdentityDbContext <TU> where TU : IdentityUser
{
var instance = new MockedIdentityDbContext <T, TU>();
instance.MockTables();
return(instance);
}
public static void MockTables <T, TU>(this MockedIdentityDbContext <T, TU> mockedContext) where T : IdentityDbContext <TU> where TU : IdentityUser
{
Type contextType = typeof(T);
var dbSetProperties = contextType.GetProperties().Where(prop => (prop.PropertyType.IsGenericType) && (prop.PropertyType.GetGenericTypeDefinition() == typeof(DbSet <>) || prop.PropertyType.GetGenericTypeDefinition() == typeof(IDbSet <>)));
foreach (var prop in dbSetProperties)
{
var dbSetGenericType = prop.PropertyType.GetGenericArguments()[0];
Type listType = typeof(List <>).MakeGenericType(dbSetGenericType);
var listForFakeTable = Activator.CreateInstance(listType);
var parameter = Expression.Parameter(contextType);
var body = Expression.PropertyOrField(parameter, prop.Name);
var lambdaExpression = Expression.Lambda <Func <T, object> >(body, parameter);
var method = typeof(EntityFrameworkMockHelper).GetMethod("MockDbSet").MakeGenericMethod(dbSetGenericType);
mockedContext.Setup(lambdaExpression).Returns(method.Invoke(null, new[] { listForFakeTable }));
mockedContext.Tables.Add(prop.Name, listForFakeTable);
}
}
