public void SelectManyFilterGroupTest()
{
PetOwner[] owners =
{ new PetOwner {
Name = "Mike", PetNames = new List <string>{
"Fluffy", "Mittens"
}
},
new PetOwner {
Name = "Ramit", PetNames = new List <string>{
"Roger", "Muffy", "Fluffy"
}
} };
var a = new ExternalInput <List <string> >();
var g = a.SelectMany(v => v).GroupBy(v => (string.IsNullOrEmpty(v) ? "" : v.Substring(0, 1)), _ => 1, (ai, bi) => ai + bi).Where(v => v.Item1 == "M");
var aData = owners.Select(v => v.PetNames);
var inMemory = new EnumerableAdapter();
inMemory.SetInput(a, aData);
var gNew = inMemory.Get(g);
Assert.Equal(1, gNew.Count());
Assert.True(gNew.Any(v => v.Item1 == "M" && v.Item2 == 2));
}
public void EmployeeTest()
{
// ExternalInput allows for late binding
var msftEmployees = new ExternalInput <Employee>();
// Logic to find msft youth, veterans and inBetweeners
var youthLogic = msftEmployees.Where(emp => emp.Age < 30);
var veteransLogic = msftEmployees.Where(emp => emp.Age > 40);
var inBetweenersLogic = msftEmployees.Where(emp => emp.Age >= 30 && emp.Age <= 40);
var averageAgeLogic = msftEmployees.Select(emp => (double)emp.Age).Average();
// Set up the adapter layer which performs operations on the data
// var azureAliqAdapter = new AzureAliqAdapter();
var azureAliqAdapter = new EnumerableAdapter();
// Data can be anywhere! For example, Azure blob container or an array
var dataStore = new Employee[]
{
new Employee {
Name = "Deepak Shankargouda", Age = 20
},
new Employee {
Name = "Sergey Shandar", Age = 22
},
new Employee {
Name = "Mike Liu", Age = 18
},
new Employee {
Name = "Bob Smith", Age = 31
},
new Employee {
Name = "Mickey Mouse", Age = 89
},
};
azureAliqAdapter.SetInput(msftEmployees, dataStore);
// Calculate results!
// logic to find msft youth, veterans and inBetweeners
var youth = azureAliqAdapter.Get(youthLogic).ToArray();
var veterans = azureAliqAdapter.Get(veteransLogic).ToArray();
var inBetweeners = azureAliqAdapter.Get(inBetweenersLogic).ToArray();
var averageAge = azureAliqAdapter.Get(averageAgeLogic).ToArray();
Assert.Equal(youth.Length, 3);
Assert.True(youth.Any(v => v.Name == "Deepak Shankargouda" && v.Age == 20));
Assert.True(youth.Any(v => v.Name == "Sergey Shandar" && v.Age == 22));
Assert.True(youth.Any(v => v.Name == "Mike Liu" && v.Age == 18));
Assert.False(youth.Any(v => v.Name == "Bob Smith" && v.Age == 31));
Assert.False(youth.Any(v => v.Name == "Mickey Mouse" && v.Age == 89));
Assert.Equal(veterans.Length, 1);
Assert.True(veterans.Any(v => v.Name == "Mickey Mouse" && v.Age == 89));
Assert.Equal(inBetweeners.Length, 1);
Assert.True(inBetweeners.Any(v => v.Name == "Bob Smith" && v.Age == 31));
Assert.Equal(averageAge, new[] { 36.0 });
}
async Task OnRefresh() {
ListAdapter = null;
var todos = (await TaskService.GetItems(this, 50000));
using (var t = new Timer("SimpleTodoActivity"))
{
//ListAdapter = new ArrayAdapter<TodoItem>(this, Android.Resource.Layout.SimpleListItem1, todos.ToArray());
ListAdapter = new EnumerableAdapter<TodoItem>(this, Android.Resource.Layout.SimpleListItem1, todos.ToArray());
}
}
public void TestAverage()
{
var a = new ExternalInput <double>();
var g = a.Average();
//
var aData = new double[] { 3, 4, 5 };
//
var inMemory = new EnumerableAdapter();
inMemory.SetInput(a, aData);
var gNew = inMemory.Get(g);
Assert.Equal(4.0, gNew.First());
}
public void WhereTestNumber()
{
var a = new ExternalInput <int>();
var g = a.Where(v => (v > 7 && v % 4 == 0));
//
var aData = new int[] { 12, 9, 3, 4, 8 };
//
var inMemory = new EnumerableAdapter();
inMemory.SetInput(a, aData);
var gNew = inMemory.Get(g);
Assert.Equal(2, gNew.Count());
Assert.False(gNew.Contains(12));
Assert.True(gNew.Contains(8));
}
public void TestSetInput()
{
// logic
var a = new ExternalInput <string>();
// data
var aTable = new[] { "Hello", "world", "!" };
// back end
var inMemory = new EnumerableAdapter();
// binding
inMemory.SetInput(a, aTable);
// get
var newA = inMemory.Get(a);
Assert.Equal(aTable, newA);
}
public void WhereTestString()
{
var a = new ExternalInput <string>();
var g = a.Where(v => (v.StartsWith("M")));
//
var aData = new string[] { "Mike", "Sergey", "Mandar" };
//
var inMemory = new EnumerableAdapter();
inMemory.SetInput(a, aData);
var gNew = inMemory.Get(g);
Assert.Equal(2, gNew.Count());
Assert.True(gNew.Contains("Mike"));
Assert.True(gNew.Contains("Mandar"));
Assert.False(gNew.Contains("Sergey"));
}
public void GroupingTest()
{
var a = new ExternalInput <double>();
var g = a.GroupBy(v => v.ToString(), _ => 1, (ai, bi) => ai + bi);
//data
var aData = new double[] { 6, 6, 5, 7, 7, 7 };
//backend
var inMemory = new EnumerableAdapter();
inMemory.SetInput(a, aData);
var gNew = inMemory.Get(g);
Assert.Equal(3, gNew.Count());
Assert.True(gNew.Any(v => v.Item1 == "5" && v.Item2 == 1));
Assert.True(gNew.Any(v => v.Item1 == "6" && v.Item2 == 2));
Assert.True(gNew.Any(v => v.Item1 == "7" && v.Item2 == 3));
}
public void SelectManyTest()
{
char[][] multiNumbers = new char[][] { new[] { 'a', 'a' }, new[] { 'b', 'c' }, new[] { 'd', 'd' } };
var a = new ExternalInput <char[]>();
var g = a.SelectMany(v => v).Where(character => character < 'd');
var aData = new char[][] { new[] { 'a', 'a' }, new[] { 'b', 'c' }, new[] { 'd', 'd' } };
var inMemory = new EnumerableAdapter();
inMemory.SetInput(a, aData);
var gNew = inMemory.Get(g);
Assert.Equal(4, gNew.Count());
Assert.True(gNew.Contains('a'));
Assert.True(gNew.Contains('b'));
Assert.True(gNew.Contains('c'));
Assert.False(gNew.Contains('d'));
}
public void BankTotals()
{
BankAccount[] banks =
{
new BankAccount {
BankName = "Mike", CashAmount = (decimal)380.8, City = "Chicago", State = "IL"
},
new BankAccount {
BankName = "Sergey", CashAmount = (decimal)480.8, City = "Seattle", State = "WA"
},
new BankAccount {
BankName = "BankOfAmerica", CashAmount = (decimal)1480.8, City = "Chicago", State = "IL"
},
new BankAccount {
BankName = "CapitalOne", CashAmount = (decimal)1280.8, City = "Fairfax", State = "VA"
},
new BankAccount {
BankName = "JPMorgan", CashAmount = (decimal)980.8, City = "Seattle", State = "WA"
},
new BankAccount {
BankName = "WellsFargo", CashAmount = (decimal)180.8, City = "LosAngeles", State = "CA"
}
};
var a = new ExternalInput <BankAccount>();
var g = a.GroupBy(v => (v.City.ToString() + ";" + v.State.ToString()), ai => ai.CashAmount, (ai, bi) => ai + bi);
var aData = banks;
var inMemory = new EnumerableAdapter();
inMemory.SetInput(a, aData);
var gNew = inMemory.Get(g);
Assert.Equal(4, gNew.Count());
Assert.True(true);
Assert.True(gNew.Any(v => v.Item1 == "Chicago;IL" && v.Item2 == (decimal)1861.6));
Assert.True(gNew.Any(v => v.Item1 == "Seattle;WA" && v.Item2 == (decimal)1461.6));
Assert.True(gNew.Any(v => v.Item1 == "Fairfax;VA" && v.Item2 == (decimal)1280.8));
Assert.True(gNew.Any(v => v.Item1 == "LosAngeles;CA" && v.Item2 == (decimal)180.8));
}
public void InventoryTotalByStoreAndCity()
{
InventoryItem[] inventory =
{
new InventoryItem {
ItemName = "Socks", NumberOfItems = 5, StoreName = "Walmart", City = "Bellevue"
},
new InventoryItem {
ItemName = "Cheezits", NumberOfItems = 2, StoreName = "Walmart", City = "Kirkland"
},
new InventoryItem {
ItemName = "Socks", NumberOfItems = 9, StoreName = "Walgreen", City = "Bellevue"
},
new InventoryItem {
ItemName = "Shirts", NumberOfItems = 3, StoreName = "Walgreen", City = "Kirkland"
},
new InventoryItem {
ItemName = "Beer", NumberOfItems = 8, StoreName = "Walgreen", City = "Kirkland"
},
};
var a = new ExternalInput <InventoryItem>();
var g = a.GroupBy(v => (v.StoreName.ToString() + ";" + v.City.ToString()), ai => ai.NumberOfItems, (ai, bi) => ai + bi);
var aData = inventory;
var inMemory = new EnumerableAdapter();
inMemory.SetInput(a, aData);
var gNew = inMemory.Get(g);
Assert.Equal(4, gNew.Count());
Assert.True(gNew.Any(v => v.Item1 == "Walmart;Bellevue" && v.Item2 == 5));
Assert.True(gNew.Any(v => v.Item1 == "Walmart;Kirkland" && v.Item2 == 2));
Assert.True(gNew.Any(v => v.Item1 == "Walgreen;Bellevue" && v.Item2 == 9));
Assert.True(gNew.Any(v => v.Item1 == "Walgreen;Kirkland" && v.Item2 == 11));
}
public void TestGroupByDoubleMean()
{
// logic
var a = new ExternalInput <double>();
var g = a.Average();
// data
double[] aTable = (new[] { 8.0, 30.0, 4.0, 18.0 });
// back end
var inMemory = new EnumerableAdapter();
// binding
inMemory.SetInput <double>(a, aTable);
// get
var gNew = inMemory.Get(g);
Assert.Equal(1, gNew.Count());
var item = gNew.First();
Assert.Equal(15, item);
}
public void TestGroupByIntegersSum()
{
// logic
var a = new ExternalInput <int>();
var g = a.Aggregate((ai, bi) => ai + bi);
// data
var aTable = new[] { 8, 30, 4 };
// back end
var inMemory = new EnumerableAdapter();
// binding
inMemory.SetInput(a, aTable);
// get
var gNew = inMemory.Get(g);
Assert.Equal(1, gNew.Count());
var item = gNew.First();
Assert.Equal(42, item);
}
public void TestGroupBy()
{
// logic
var a = new ExternalInput <string>();
var g = a.Aggregate((ai, bi) => ai + bi);
// data
var aTable = new[] { "Hello", "world", "!" };
// back end
var inMemory = new EnumerableAdapter();
// binding
inMemory.SetInput(a, aTable);
// get
var gNew = inMemory.Get(g);
Assert.Equal(1, gNew.Count());
var item = gNew.First();
Assert.Equal("Helloworld!".Length, item.Length);
}
IAsyncEnumerable <string> ConstructTestCollection(Type collectionType, IEnumerable <string> elements)
{
if (collectionType.IsInterface)
{
return(new EnumerableAdapter(elements));
}
if (collectionType.IsAbstract)
{
foreach (var type in collectionType.Assembly.GetTypes())
{
if (collectionType.IsAssignableFrom(type) && !type.IsAbstract)
{
collectionType = type;
break;
}
}
}
if (typeof(ICollection <string>).IsAssignableFrom(collectionType))
{
var collection = (ICollection <string>)Activator.CreateInstance(collectionType, true);
foreach (var element in elements)
{
collection.Add(element);
}
return((IAsyncEnumerable <string>)collection);
}
else
{
var adapter = new EnumerableAdapter(elements);
return((IAsyncEnumerable <string>)Activator.CreateInstance(collectionType, new object[] { adapter }));
}
}
public async Task LottoryExampleTest()
{
// ExternalInput allows for late binding
var lotteryExternalInput = new ExternalInput <Lottos>();
// Get a list of lottery items and the API resource page
List <Lottos> lotteryList = new List <Lottos>();
string page = "https://data.ny.gov/api/views/5xaw-6ayf/rows.json?accessType=DOWNLOAD";
// Use HTTP Client to retrieve data
using (HttpClient client = new HttpClient())
using (HttpResponseMessage response = await client.GetAsync(page))
using (HttpContent content = response.Content)
{
// ... Read the string.
string result = await content.ReadAsStringAsync();
if (result != null)
{
//Get the JSON data you need
JObject m = JObject.Parse(result);
var array = m["data"];
//Take in and process JSON data
foreach (JToken token in array)
{
Lottos temp = new Lottos(token[8].ToString(), token[9].ToString(), token[10].ToString());
lotteryList.Add(temp);
}
var azureAliqAdapter = new EnumerableAdapter();
//Select drawings where the Mega Ball number is 49, as 49 is the square of 7 (a lucky number).
var doublyLuckyLogic = lotteryExternalInput.Where(lot => lot.megaBall == 49);
//Your can use other System.Collection items for data as well, such as Lists, to set to external input. Apply logic here.
azureAliqAdapter.SetInput(lotteryExternalInput, lotteryList);
//Get the list matching the logic of having MegaBall number 49.
var luckyWinnerCombo = azureAliqAdapter.Get(doublyLuckyLogic).ToArray();
Assert.Equal(luckyWinnerCombo.Length, 7);
Assert.True(luckyWinnerCombo.Any(v => v.megaBall == 49 && v.drawDate == new DateTime(2003, 8, 5) && Array.IndexOf(v.winningNumbers, 7) == 0 && Array.IndexOf(v.winningNumbers, 32) == 1 && Array.IndexOf(v.winningNumbers, 34) == 2 && Array.IndexOf(v.winningNumbers, 38) == 3 && Array.IndexOf(v.winningNumbers, 44) == 4));
Assert.True(luckyWinnerCombo.Any(v => v.megaBall == 49 && v.drawDate == new DateTime(2003, 9, 30) && Array.IndexOf(v.winningNumbers, 2) == 0 && Array.IndexOf(v.winningNumbers, 26) == 1 && Array.IndexOf(v.winningNumbers, 37) == 2 && Array.IndexOf(v.winningNumbers, 40) == 3 && Array.IndexOf(v.winningNumbers, 46) == 4));
Assert.True(luckyWinnerCombo.Any(v => v.megaBall == 49 && v.drawDate == new DateTime(2003, 12, 30) && Array.IndexOf(v.winningNumbers, 12) == 0 && Array.IndexOf(v.winningNumbers, 18) == 1 && Array.IndexOf(v.winningNumbers, 21) == 2 && Array.IndexOf(v.winningNumbers, 32) == 3 && Array.IndexOf(v.winningNumbers, 46) == 4));
Assert.True(luckyWinnerCombo.Any(v => v.megaBall == 49 && v.drawDate == new DateTime(2004, 3, 9) && Array.IndexOf(v.winningNumbers, 16) == 0 && Array.IndexOf(v.winningNumbers, 23) == 1 && Array.IndexOf(v.winningNumbers, 29) == 2 && Array.IndexOf(v.winningNumbers, 36) == 3 && Array.IndexOf(v.winningNumbers, 51) == 4));
Assert.True(luckyWinnerCombo.Any(v => v.megaBall == 49 && v.drawDate == new DateTime(2004, 4, 6) && Array.IndexOf(v.winningNumbers, 8) == 0 && Array.IndexOf(v.winningNumbers, 17) == 1 && Array.IndexOf(v.winningNumbers, 29) == 2 && Array.IndexOf(v.winningNumbers, 32) == 3 && Array.IndexOf(v.winningNumbers, 39) == 4));
Assert.True(luckyWinnerCombo.Any(v => v.megaBall == 49 && v.drawDate == new DateTime(2004, 4, 20) && Array.IndexOf(v.winningNumbers, 12) == 0 && Array.IndexOf(v.winningNumbers, 22) == 1 && Array.IndexOf(v.winningNumbers, 37) == 2 && Array.IndexOf(v.winningNumbers, 46) == 3 && Array.IndexOf(v.winningNumbers, 48) == 4));
Assert.True(luckyWinnerCombo.Any(v => v.megaBall == 49 && v.drawDate == new DateTime(2004, 9, 14) && Array.IndexOf(v.winningNumbers, 12) == 0 && Array.IndexOf(v.winningNumbers, 35) == 1 && Array.IndexOf(v.winningNumbers, 37) == 2 && Array.IndexOf(v.winningNumbers, 38) == 3 && Array.IndexOf(v.winningNumbers, 50) == 4));
//Get the 5 oldest entries, since more recent entries will be updated live. Set logic here accordinly.
var oldestDrawLogic = lotteryExternalInput.Where(lot => lot.drawDate < new DateTime(2002, 6, 1));
//Apply logic to dataset.
var oldestEntries = azureAliqAdapter.Get(oldestDrawLogic).ToArray();
Assert.Equal(oldestEntries.Length, 5);
Assert.True(oldestEntries.Any(v => v.megaBall == 30 && v.drawDate == new DateTime(2002, 5, 17) && Array.IndexOf(v.winningNumbers, 15) == 0 && Array.IndexOf(v.winningNumbers, 18) == 1 && Array.IndexOf(v.winningNumbers, 25) == 2 && Array.IndexOf(v.winningNumbers, 33) == 3 && Array.IndexOf(v.winningNumbers, 47) == 4));
Assert.True(oldestEntries.Any(v => v.megaBall == 9 && v.drawDate == new DateTime(2002, 5, 21) && Array.IndexOf(v.winningNumbers, 4) == 0 && Array.IndexOf(v.winningNumbers, 28) == 1 && Array.IndexOf(v.winningNumbers, 39) == 2 && Array.IndexOf(v.winningNumbers, 41) == 3 && Array.IndexOf(v.winningNumbers, 44) == 4));
Assert.True(oldestEntries.Any(v => v.megaBall == 36 && v.drawDate == new DateTime(2002, 5, 24) && Array.IndexOf(v.winningNumbers, 2) == 0 && Array.IndexOf(v.winningNumbers, 4) == 1 && Array.IndexOf(v.winningNumbers, 32) == 2 && Array.IndexOf(v.winningNumbers, 44) == 3 && Array.IndexOf(v.winningNumbers, 52) == 4));
Assert.True(oldestEntries.Any(v => v.megaBall == 24 && v.drawDate == new DateTime(2002, 5, 28) && Array.IndexOf(v.winningNumbers, 6) == 0 && Array.IndexOf(v.winningNumbers, 21) == 1 && Array.IndexOf(v.winningNumbers, 22) == 2 && Array.IndexOf(v.winningNumbers, 29) == 3 && Array.IndexOf(v.winningNumbers, 32) == 4));
Assert.True(oldestEntries.Any(v => v.megaBall == 47 && v.drawDate == new DateTime(2002, 5, 31) && Array.IndexOf(v.winningNumbers, 12) == 0 && Array.IndexOf(v.winningNumbers, 28) == 1 && Array.IndexOf(v.winningNumbers, 45) == 2 && Array.IndexOf(v.winningNumbers, 46) == 3 && Array.IndexOf(v.winningNumbers, 52) == 4));
}
else
{
Assert.False(true);
}
}
}
public EnumerableAdapterTests()
{
this.item1 = "abc";
this.item2 = 3;
this.subject = new EnumerableAdapter(new[] { this.item1, this.item2 });
}
