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8c763fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | // Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using System;
using System.Collections.Generic;
using System.Linq;
using PSTests.Internal;
using Xunit.Abstractions;
using Xunit.Sdk;
namespace TestOrder.TestCaseOrdering
{
public class PriorityOrderer : ITestCaseOrderer
{
public IEnumerable<TTestCase> OrderTestCases<TTestCase>(IEnumerable<TTestCase> testCases) where TTestCase : ITestCase
{
var sortedMethods = new SortedDictionary<int, List<TTestCase>>();
foreach (TTestCase testCase in testCases)
{
int priority = 0;
foreach (IAttributeInfo attr in testCase.TestMethod.Method.GetCustomAttributes(typeof(PriorityAttribute).AssemblyQualifiedName))
{
priority = attr.GetNamedArgument<int>("Priority");
}
GetOrCreate(sortedMethods, priority).Add(testCase);
}
foreach (var list in sortedMethods.Keys.Select(priority => sortedMethods[priority]))
{
list.Sort((x, y) => StringComparer.OrdinalIgnoreCase.Compare(x.TestMethod.Method.Name, y.TestMethod.Method.Name));
foreach (TTestCase testCase in list)
{
yield return testCase;
}
}
}
private static TValue GetOrCreate<TKey, TValue>(IDictionary<TKey, TValue> dictionary, TKey key) where TValue : new()
{
TValue result;
if (dictionary.TryGetValue(key, out result))
{
return result;
}
result = new TValue();
dictionary[key] = result;
return result;
}
}
}
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