TestLoggerContextExtensions.cs

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using Microsoft.VisualStudio.TestPlatform.ObjectModel;
using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;
using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;

namespace GitHubActionsTestLogger.Tests.Utils.Extensions;

internal static class TestLoggerContextExtensions
{
    public static void SimulateTestRun(
        this TestReporterContext context,
        string testSuiteFilePath,
        string targetFrameworkName,
        params IReadOnlyList<TestResult> testResults
    )
    {
        context.HandleTestRunStart(
            new TestRunStartEventArgs(
                new TestRunCriteria(
                    [testSuiteFilePath],
                    1,
                    true,
                    // lang=xml
                    $"""
                    <RunSettings>
                        <RunConfiguration>
                            <TargetFrameworkVersion>{targetFrameworkName}</TargetFrameworkVersion>
                        </RunConfiguration>
                    </RunSettings>
                    """
                )
            )
        );

        foreach (var testResult in testResults)
            context.HandleTestResult(new TestResultEventArgs(testResult));

        context.HandleTestRunComplete(
            new TestRunCompleteEventArgs(
                new TestRunStatistics(
                    new Dictionary<TestOutcome, long>
                    {
                        [TestOutcome.Passed] = testResults.Count(r =>
                            r.Outcome == TestOutcome.Passed
                        ),
                        [TestOutcome.Failed] = testResults.Count(r =>
                            r.Outcome == TestOutcome.Failed
                        ),
                        [TestOutcome.Skipped] = testResults.Count(r =>
                            r.Outcome == TestOutcome.Skipped
                        ),
                        [TestOutcome.None] = testResults.Count(r => r.Outcome == TestOutcome.None),
                    }
                ),
                false,
                false,
                null,
                new Collection<AttachmentSet>(),
                TimeSpan.FromSeconds(1.234)
            )
        );
    }

    public static void SimulateTestRun(
        this TestReporterContext context,
        string testSuiteName,
        params IReadOnlyList<TestResult> testResults
    ) => context.SimulateTestRun(testSuiteName, "FakeTargetFramework", testResults);

    public static void SimulateTestRun(
        this TestReporterContext context,
        params IReadOnlyList<TestResult> testResults
    ) => context.SimulateTestRun("FakeTests.dll", testResults);
}