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AI-Studio/app/Tests/Tools/Mail/MailRemovalGuardTests.cs
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using AIStudio.Tools.Databases.IndexStore;
using AIStudio.Tools.Mail;
namespace AIStudio.Tests.Tools.Mail;
/// <summary>
/// Checks when a sync has to ask before it removes mails from the index.
/// </summary>
[TestFixture]
public sealed class MailRemovalGuardTests
{
private static readonly MailboxSyncState NOTHING_PENDING = new(null, null, null);
[TestCase(10_000, 99, ExpectedResult = false)]
[TestCase(400, 99, ExpectedResult = false)]
[TestCase(10_000, 1_999, ExpectedResult = false)]
[TestCase(10_000, 2_000, ExpectedResult = true)]
[TestCase(400, 100, ExpectedResult = true)]
[TestCase(100, 100, ExpectedResult = true)]
public bool OnlyAManyAndALargeShareAreAskedAbout(int indexedCount, int removalCount) => MailRemovalGuard.IsMassRemoval(indexedCount, removalCount);
[Test]
public void AMassRemovalIsHeldBackUntilExactlyItWasApproved()
{
var approvedNow = DateTimeOffset.UtcNow;
Assert.Multiple(() =>
{
Assert.That(MailRemovalGuard.Decide(1_000, 500, NOTHING_PENDING), Is.EqualTo(MailRemovalDecision.HOLD_BACK));
Assert.That(MailRemovalGuard.Decide(1_000, 500, new(null, 500, null)), Is.EqualTo(MailRemovalDecision.HOLD_BACK), "A removal nobody approved went ahead.");
Assert.That(MailRemovalGuard.Decide(1_000, 500, new(null, 500, approvedNow)), Is.EqualTo(MailRemovalDecision.PROCEED));
Assert.That(MailRemovalGuard.Decide(1_000, 600, new(null, 500, approvedNow)), Is.EqualTo(MailRemovalDecision.HOLD_BACK), "The approval counted for another number.");
Assert.That(MailRemovalGuard.Decide(1_000, 10, NOTHING_PENDING), Is.EqualTo(MailRemovalDecision.PROCEED));
});
}
}