public void createAValidListOfTemporaryExposureKeys_Have15Keys_Only14ShouldBeKept()
{
// Create a list of 15 keys
IEnumerable <ExposureKeyModel> temporaryExposureKeys = new List <ExposureKeyModel>();
for (int i = 0; i < 15; i++)
{
temporaryExposureKeys = temporaryExposureKeys.Append(new ExposureKeyModel(new byte[i + 1], june1.AddDays(i), TimeSpan.FromDays(1), RiskLevel.Medium));
}
// Process them
IEnumerable <ExposureKeyModel> processedKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(temporaryExposureKeys);
// There should be 14 left
Assert.Equal(14, processedKeys.Count());
}
public void createAValidListOfTemporaryExposureKeys_HaveDateGap_OnlyNewestShouldBeKept()
{
// Create keys
ExposureKeyModel tek1 = new ExposureKeyModel(new byte[1], june1, TimeSpan.FromDays(1), RiskLevel.Medium);
ExposureKeyModel tek2 = new ExposureKeyModel(new byte[2], june1.AddDays(1), TimeSpan.FromDays(1), RiskLevel.Medium);
ExposureKeyModel tek3 = new ExposureKeyModel(new byte[3], june1.AddDays(3), TimeSpan.FromDays(1), RiskLevel.Medium);
// Process a list of copies
IEnumerable <ExposureKeyModel> temporaryExposureKeys = new List <ExposureKeyModel>()
{
CopyTek(tek1), CopyTek(tek2), CopyTek(tek3)
};
IEnumerable <ExposureKeyModel> processedKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(temporaryExposureKeys);
// Only tek3 should be left
Assert.Single(processedKeys);
Assert.True(ContainsTek(tek3, processedKeys));
}
public void createAValidListOfTemporaryExposureKeys_HaveMultipleWithSameDate_OnlyOneWithEachDateShouldBeKept()
{
// Create keys
ExposureKeyModel tek1 = new ExposureKeyModel(new byte[1], june1, TimeSpan.FromDays(1), RiskLevel.Medium);
ExposureKeyModel tek2 = new ExposureKeyModel(new byte[2], june1, TimeSpan.FromDays(1), RiskLevel.Medium);
ExposureKeyModel tek3 = new ExposureKeyModel(new byte[3], june1.AddDays(1), TimeSpan.FromDays(1), RiskLevel.Medium);
// Process a list of copies
IEnumerable <ExposureKeyModel> temporaryExposureKeys = new List <ExposureKeyModel>()
{
CopyTek(tek1), CopyTek(tek2), CopyTek(tek3)
};
IEnumerable <ExposureKeyModel> processedKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(temporaryExposureKeys);
// The only difference should be that tek2 is not contained in the result
Assert.Equal(2, processedKeys.Count());
Assert.True(ContainsTek(tek1, processedKeys));
Assert.True(ContainsTek(tek3, processedKeys));
}
// === Methods used both by EN API v1 and EN API v2 ===
public async Task UploadSelfExposureKeysToServerAsync(IEnumerable <TemporaryExposureKey> tempKeys)
{
// Convert to ExposureKeyModel list as it is extended with DaysSinceOnsetOfSymptoms value
IEnumerable <ExposureKeyModel> temporaryExposureKeys =
tempKeys?.Select(key => new ExposureKeyModel(key)) ?? new List <ExposureKeyModel>();
if (FakeGatewayUtils.IsFakeGatewayTest)
{
FakeGatewayUtils.LastPulledExposureKeys = temporaryExposureKeys;
return;
}
if (AuthenticationState.PersonalData?.Access_token == null)
{
throw new AccessTokenMissingFromIDPortenException("The token from ID Porten is not set");
}
if (AuthenticationState.PersonalData?.VisitedCountries == null)
{
throw new VisitedCountriesMissingException(
"The visited countries list is missing. Possibly garbage collection removed it.");
}
if (!DateToSetDSOS.HasValue)
{
throw new DSOSDateMissingException("The symptom onset date is not set from the calling view model");
}
DateTime dateToSetDSOSAsUniversalTime = DateToSetDSOS.Value.ToUniversalTime();
List <ExposureKeyModel> validKeys =
UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(temporaryExposureKeys);
validKeys = UploadDiagnosisKeysHelper.SetTransmissionRiskAndDSOS(validKeys, dateToSetDSOSAsUniversalTime);
bool success = await _exposureNotificationWebService.PostSelfExposureKeys(validKeys);
if (!success)
{
throw new FailedToPushToServerException("Failed to push keys to the server");
}
}
public void createAValidListOfTemporaryExposureKeys_HaveBadRollingDurations_RollingDurationsShouldBeSetToOneDay()
{
// Create keys
ExposureKeyModel tek1 = new ExposureKeyModel(new byte[1], june1, TimeSpan.FromDays(0), RiskLevel.Medium);
ExposureKeyModel tek2 = new ExposureKeyModel(new byte[2], june1.AddDays(1), TimeSpan.FromDays(10), RiskLevel.Medium);
ExposureKeyModel tek3 = new ExposureKeyModel(new byte[3], june1.AddDays(2), TimeSpan.FromDays(-10), RiskLevel.Medium);
// Process a list of copies
IEnumerable <ExposureKeyModel> temporaryExposureKeys = new List <ExposureKeyModel>()
{
CopyTek(tek1), CopyTek(tek2), CopyTek(tek3)
};
IEnumerable <ExposureKeyModel> processedKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(temporaryExposureKeys);
// RollingDurations should be 1 day
foreach (ExposureKeyModel tek in processedKeys)
{
Assert.Equal(TimeSpan.FromDays(1), tek.RollingDuration);
}
}
public async void createAValidListOfTemporaryExposureKeys_HaveDateGap_AllShouldBeKept()
{
SystemTime.ResetDateTime();
// Create keys
ExposureKeyModel tek1 = new ExposureKeyModel(new byte[1], SystemTime.Now(), TimeSpan.FromDays(1), RiskLevel.Medium);
ExposureKeyModel tek2 = new ExposureKeyModel(new byte[2], SystemTime.Now().AddDays(-1), TimeSpan.FromDays(1), RiskLevel.Medium);
ExposureKeyModel tek3 = new ExposureKeyModel(new byte[3], SystemTime.Now().AddDays(-3), TimeSpan.FromDays(1), RiskLevel.Medium);
// Process a list of copies
IEnumerable <ExposureKeyModel> temporaryExposureKeys = new List <ExposureKeyModel>()
{
CopyTek(tek1), CopyTek(tek2), CopyTek(tek3)
};
IEnumerable <ExposureKeyModel> processedKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(temporaryExposureKeys);
// No keys should be filtered out
Assert.Equal(processedKeys.Count(), temporaryExposureKeys.Count());
Assert.True(ContainsTek(tek3, processedKeys));
Assert.False((await _logManager.GetLogs(10)).Any());
}
public void createAValidListOfTemporaryExposureKeys_HaveMultipleWithSameDate_AllShouldBeKept()
{
SystemTime.ResetDateTime();
// Create keys
ExposureKeyModel tek1 = new ExposureKeyModel(new byte[1], SystemTime.Now(), TimeSpan.FromDays(0.7), RiskLevel.Medium);
ExposureKeyModel tek2 = new ExposureKeyModel(new byte[2], SystemTime.Now(), TimeSpan.FromDays(0.3), RiskLevel.Medium);
ExposureKeyModel tek3 = new ExposureKeyModel(new byte[3], SystemTime.Now().AddDays(-1), TimeSpan.FromDays(1), RiskLevel.Medium);
// Process a list of copies
IEnumerable <ExposureKeyModel> temporaryExposureKeys = new List <ExposureKeyModel>()
{
CopyTek(tek1), CopyTek(tek2), CopyTek(tek3)
};
IEnumerable <ExposureKeyModel> processedKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(temporaryExposureKeys);
// No keys should be filtered out
Assert.True(ContainsTek(tek1, processedKeys));
Assert.True(ContainsTek(tek2, processedKeys));
Assert.True(ContainsTek(tek3, processedKeys));
}
public async void createAValidListOfTemporaryExposureKeys_GeneratesProperLogIfKeysAreFiltered(int ExtraKeys)
{
SystemTime.ResetDateTime();
await _logManager.DeleteAll();
// Create a list of 15 keys
IEnumerable <ExposureKeyModel> temporaryExposureKeys = new List <ExposureKeyModel>();
for (int i = 0; i < 14 + ExtraKeys; i++)
{
temporaryExposureKeys = temporaryExposureKeys.Append(new ExposureKeyModel(new byte[i + 1], SystemTime.Now().AddDays(0 - i), TimeSpan.FromDays(1), RiskLevel.Medium));
}
// Process them
IEnumerable <ExposureKeyModel> processedKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(temporaryExposureKeys);
// Check if log is generated
string logStatement = _logManager.GetLogs(1).Result.ElementAt(0).Description;
Assert.Equal(ExtraKeys.ToString(), logStatement.Last().ToString());
}
public async Task UploadSelfExposureKeysToServerAsync(IEnumerable <TemporaryExposureKey> tempKeys)
{
// Convert to ExposureKeyModel list as it is extended with DaysSinceOnsetOfSymptoms value
IEnumerable <ExposureKeyModel> temporaryExposureKeys = tempKeys?.Select(key => new ExposureKeyModel(key)) ?? new List <ExposureKeyModel>();
// There is a better behaviour of uploading keys when scanning is Stoped/Started (UIAlert for permission is always shown then),
// The IF-check just toggles the scanning status on/off or off/on to keep the scanning status
// the same as it was before method is called
try
{
if (ServiceLocator.Current.GetInstance <IDeviceInfo>().Platform == DevicePlatform.iOS)
{
if (await ExposureNotification.IsEnabledAsync())
{
await ExposureNotification.StopAsync();
await ExposureNotification.StartAsync();
}
else
{
await ExposureNotification.StartAsync();
await ExposureNotification.StopAsync();
}
}
}
catch (Exception e)
{
if (!e.HandleExposureNotificationException(nameof(ExposureNotificationHandler), nameof(UploadSelfExposureKeysToServerAsync)))
{
throw e;
}
}
if (FakeGatewayUtils.IsFakeGatewayTest)
{
FakeGatewayUtils.LastPulledExposureKeys = temporaryExposureKeys;
return;
}
if (AuthenticationState.PersonalData?.Access_token == null)
{
throw new AccessTokenMissingFromIDPortenException("The token from ID Porten is not set");
}
if (AuthenticationState.PersonalData?.VisitedCountries == null)
{
throw new VisitedCountriesMissingException(
"The visited countries list is missing. Possibly garbage collection removed it.");
}
if (!MiBaDate.HasValue)
{
throw new MiBaDateMissingException("The symptom onset date is not set from the calling view model");
}
DateTime MiBaDateAsUniversalTime = MiBaDate.Value.ToUniversalTime();
List <ExposureKeyModel> validKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(temporaryExposureKeys);
// Here all keys are extended with DaysSinceOnsetOfSymptoms value
validKeys = UploadDiagnosisKeysHelper.SetTransmissionRiskLevel(validKeys, MiBaDateAsUniversalTime);
bool success = await exposureNotificationWebService.PostSelfExposureKeys(validKeys);
if (!success)
{
throw new FailedToPushToServerException("Failed to push keys to the server");
}
}
public async void calculateTransmissionRiskbasedOnDateDifference()
{
// Create keys with different dates
ExposureKeyModel tekminus3 = new ExposureKeyModel(new byte[1], june1.AddDays(-3), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tekminus2 = new ExposureKeyModel(new byte[1], june1.AddDays(-2), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tekminus1 = new ExposureKeyModel(new byte[1], june1.AddDays(-1), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tek2 = new ExposureKeyModel(new byte[1], june1.AddDays(2), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tek3 = new ExposureKeyModel(new byte[1], june1.AddDays(3), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tek4 = new ExposureKeyModel(new byte[1], june1.AddDays(4), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tek5 = new ExposureKeyModel(new byte[1], june1.AddDays(5), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tek6 = new ExposureKeyModel(new byte[1], june1.AddDays(6), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tek7 = new ExposureKeyModel(new byte[1], june1.AddDays(7), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tek8 = new ExposureKeyModel(new byte[1], june1.AddDays(8), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tek9 = new ExposureKeyModel(new byte[1], june1.AddDays(9), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tek10 = new ExposureKeyModel(new byte[1], june1.AddDays(10), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tek11 = new ExposureKeyModel(new byte[1], june1.AddDays(11), TimeSpan.FromDays(1), RiskLevel.Invalid);
ExposureKeyModel tek12 = new ExposureKeyModel(new byte[1], june1.AddDays(12), TimeSpan.FromDays(1), RiskLevel.Invalid);
// Process a list of copies
IEnumerable <ExposureKeyModel> temporaryExposureKeys = new List <ExposureKeyModel>()
{
tek2, tek3, tek4, tek5, tek6, tek7, tek8, tek9, tek10, tek11, tek12
};
IEnumerable <ExposureKeyModel> processedKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(temporaryExposureKeys);
List <ExposureKeyModel> validKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(processedKeys);
List <ExposureKeyModel> resultKeys = UploadDiagnosisKeysHelper.SetTransmissionRiskLevel(validKeys, MiBaDate);
for (int i = 1; i < 11; i++)
{
if (i == 0)
{
Assert.Equal("Highest", resultKeys[i].TransmissionRiskLevel.ToString());
}
if (i > 0 && i < 3)
{
Assert.Equal("VeryHigh", resultKeys[i].TransmissionRiskLevel.ToString());
}
if (i > 2 && i < 5)
{
Assert.Equal("High", resultKeys[i].TransmissionRiskLevel.ToString());
}
if (i > 4 && i < 9)
{
Assert.Equal("MediumHigh", resultKeys[i].TransmissionRiskLevel.ToString());
}
if (i > 8)
{
Assert.Equal("Medium", resultKeys[i].TransmissionRiskLevel.ToString());
}
}
IEnumerable <ExposureKeyModel> negativeDifferenceExposureKeys = new List <ExposureKeyModel>()
{
tekminus1, tekminus2, tekminus3
};
IEnumerable <ExposureKeyModel> processedNegativeDifferenceExposureKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(negativeDifferenceExposureKeys);
List <ExposureKeyModel> validNegativeDifferenceExposureKeys = UploadDiagnosisKeysHelper.CreateAValidListOfTemporaryExposureKeys(processedNegativeDifferenceExposureKeys);
List <ExposureKeyModel> resultKeysNegativeDifference = UploadDiagnosisKeysHelper.SetTransmissionRiskLevel(validNegativeDifferenceExposureKeys, MiBaDate);
for (int i = 1; i < 11; i++)
{
if (i == 0)
{
Assert.Equal("Medium", resultKeysNegativeDifference[i].TransmissionRiskLevel.ToString());
}
if (i == 1)
{
Assert.Equal("MediumLow", resultKeysNegativeDifference[i].TransmissionRiskLevel.ToString());
}
if (i == 2)
{
Assert.Equal("Low", resultKeysNegativeDifference[i].TransmissionRiskLevel.ToString());
}
}
}