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using System; | |
using TemlateMethod; | |
using System.Collections.Generic; | |
public class Program | |
{ | |
public static void Main() | |
{ | |
var items = new [] { 1, 2, 3, 4, 5 }; | |
AbstractClass processor = new ConcreteProcessor1(); | |
int result1 = processor.Process(items); | |
Assert.Equal(24, result1); | |
processor = new ConcreteProcessor2(); | |
int result2 = processor.Process(items); | |
Assert.Equal(15, result2); | |
TestRunner.Print(); | |
} | |
} |
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using System; | |
using System.Collections.Generic; | |
using System.Collections; | |
using System.Linq; | |
namespace TemlateMethod | |
{ | |
public abstract class AbstractClass | |
{ | |
// TemplateMethod | |
public int Process(IEnumerable<int> items) | |
{ | |
return items | |
.Where<int>(this.Filter) | |
.Select(this.ProcessUnit) | |
.Aggregate((item, acc) => | |
{ | |
acc += item; | |
return acc; | |
}); | |
} | |
protected abstract bool Filter(int item); | |
protected abstract int ProcessUnit(int i); | |
} | |
public class ConcreteProcessor1 : AbstractClass | |
{ | |
protected override bool Filter(int item) | |
{ | |
return item > 2; | |
} | |
protected override int ProcessUnit(int i) | |
{ | |
return i * 2; | |
} | |
} | |
public class ConcreteProcessor2 : AbstractClass | |
{ | |
protected override bool Filter(int item) | |
{ | |
return item > 0; | |
} | |
protected override int ProcessUnit(int i) | |
{ | |
return i; | |
} | |
} | |
} |
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using System; | |
using System.Collections.Generic; | |
using System.Linq; | |
using System.Runtime.CompilerServices; | |
public static class Assert { | |
public static void Equal<T> (T a, T b, [CallerMemberName] string callerName = "", [CallerLineNumber] int callerLine = 0) { | |
if (!a.Equals (b)) { | |
// throw new Exception ($"{a} doesn't equal to {b}"); | |
TestRunner.AddResult ( | |
new TestRunResult () { | |
CallerName = callerName, | |
CallerLine = callerLine.ToString (), | |
Success = false, | |
Assertion = "Equal<T>", | |
ErrorMessage = $"{a} doesn't equal to {b}" | |
}); | |
} else { | |
TestRunner.AddResult ( | |
new TestRunResult () { | |
CallerName = callerName, | |
CallerLine = callerLine.ToString (), | |
Success = true, | |
Assertion = "Single<T>" | |
}); | |
} | |
} | |
public static void Single<T> (IEnumerable<T> collection, [CallerMemberName] string callerName = "", [CallerLineNumber] int callerLine = 0) { | |
if (collection.Count () != 1) { | |
// throw new Exception ("Collection doesn't contain 1 element"); | |
TestRunner.AddResult ( | |
new TestRunResult () { | |
CallerName = callerName, | |
CallerLine = callerLine.ToString (), | |
Success = false, | |
Assertion = "Single<T>", | |
ErrorMessage = "Collection doesn't contain 1 element" | |
}); | |
} | |
TestRunner.AddResult ( | |
new TestRunResult () { | |
CallerName = callerName, | |
CallerLine = callerLine.ToString (), | |
Success = true, | |
Assertion = "Single<T>" | |
}); | |
} | |
public static void Contains<T> (T token1, T token2, [CallerMemberName] string callerName = "", [CallerLineNumber] int callerLine = 0) { | |
if (typeof (T) == typeof (System.String)) { | |
if (!((token2 as string)).Contains (token1 as string)) { | |
// throw new Exception ($"{token2} doesn't contain {token1}"); | |
TestRunner.AddResult ( | |
new TestRunResult () { | |
CallerName = callerName, | |
CallerLine = callerLine.ToString (), | |
Success = false, | |
Assertion = "Contains<T>", | |
ErrorMessage = $"{token2} doesn't contain {token1}" | |
}); | |
} else { | |
TestRunner.AddResult ( | |
new TestRunResult () { | |
CallerName = callerName, | |
CallerLine = callerLine.ToString (), | |
Success = true, | |
Assertion = "Contains<T>" | |
}); | |
} | |
} else { | |
throw new Exception ("It is not possible to use .Contains() method"); | |
} | |
} | |
} | |
public static class TestRunner { | |
public static List<TestRunResult> Results { get; } = new List<TestRunResult> (); | |
public static void AddResult (TestRunResult res) { | |
Results.Add (res); | |
} | |
public static void Print () { | |
System.Console.WriteLine ("TestRunner.Print"); | |
System.Console.WriteLine ("============================================"); | |
foreach (var log in Results) { | |
System.Console.WriteLine (log); | |
} | |
System.Console.WriteLine ("============================================"); | |
} | |
} | |
public class TestRunResult { | |
public string CallerName { get; set; } | |
public string CallerLine { get; set; } | |
public string Assertion { get; set; } | |
public bool Success { get; set; } | |
public string ErrorMessage { get; set; } | |
public override string ToString () { | |
return $"Assertion: {Assertion, 15}; MethodName: {CallerName, 10}; Line: {CallerLine, 3}; " + (Success? $"Success: {Success}": $"ErrorMessage: {ErrorMessage}"); | |
} | |
} |
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