public void Given_NoDbs_ReturnsZero()
{
var backupTimes = new DateTime?[] {};
SetupDatabasesBackupTimes(backupTimes);
var result =
DatabaseOldestBackup.GetTimeSinceOldestBackupInternal(_backupDates.Keys.ToList(), GetLastBackupDate, _time);
Assert.Equal(TimeSpan.Zero, result);
Assert.Equal(SnmpValuesHelper.TimeTicksZero, SnmpValuesHelper.TimeSpanToTimeTicks(result));
}
public void GivenDatabaseBackedUp_MoreThanMaxTimeTicksAgo_ReturnsTimespanMax()
{
var maxTimeTicksTimespan = SnmpValuesHelper.TimeTicksMax.ToTimeSpan();
var backupTimes = new DateTime?[]
{
_time.GetUtcNow().Subtract(maxTimeTicksTimespan).Subtract(TimeSpan.FromDays(1))
};
SetupDatabasesBackupTimes(backupTimes);
var result =
DatabaseOldestBackup.GetTimeSinceOldestBackupInternal(_backupDates.Keys.ToList(), GetLastBackupDate, _time);
Assert.True(result > SnmpValuesHelper.TimeSpanSnmpMax);
Assert.Equal(SnmpValuesHelper.TimeTicksMax, SnmpValuesHelper.TimeSpanToTimeTicks(result));
}
public void GivenAFewDatabases_ShouldProvideDurationSinceTheOldestDatabaseBackup()
{
var backupTimes = new DateTime?[]
{
_time.GetUtcNow().Date,
_time.GetUtcNow().Subtract(TimeSpan.FromDays(1)),
_time.GetUtcNow(),
null
};
SetupDatabasesBackupTimes(backupTimes);
var result =
DatabaseOldestBackup.GetTimeSinceOldestBackupInternal(_backupDates.Keys.ToList(), GetLastBackupDate, _time);
Assert.Equal(_time.GetUtcNow() - backupTimes[1], result);
}
