public async Task TimeSeriesInsightsQuery_GetEventsLifecycle()
{
// Arrange
TimeSeriesInsightsClient tsiClient = GetClient();
DeviceClient deviceClient = await GetDeviceClient().ConfigureAwait(false);
// Figure out what the Time Series Id is composed of
TimeSeriesModelSettings modelSettings = await tsiClient.GetModelSettingsAsync().ConfigureAwait(false);
// Create a Time Series Id where the number of keys that make up the Time Series Id is fetched from Model Settings
TimeSeriesId tsiId = await GetUniqueTimeSeriesInstanceIdAsync(tsiClient, modelSettings.TimeSeriesIdProperties.Count)
.ConfigureAwait(false);
try
{
// Send some events to the IoT hub
await QueryTestsHelper.SendEventsToHubAsync(
deviceClient,
tsiId,
modelSettings.TimeSeriesIdProperties.ToArray(),
2)
.ConfigureAwait(false);
// Act
// Get events from last 1 minute
DateTimeOffset now = Recording.UtcNow;
DateTimeOffset endTime = now.AddMinutes(10);
DateTimeOffset startTime = now.AddMinutes(-10);
// This retry logic was added as the TSI instance are not immediately available after creation
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
AsyncPageable <QueryResultPage> queryEventsPages = tsiClient.QueryEventsAsync(tsiId, startTime, endTime);
await foreach (QueryResultPage eventPage in queryEventsPages)
{
eventPage.Timestamps.Should().HaveCount(2);
eventPage.Timestamps.Should().OnlyContain(timeStamp => timeStamp >= startTime).And.OnlyContain(timeStamp => timeStamp <= endTime);
eventPage.Properties.Should().NotBeEmpty();
eventPage.Properties.First().Should().NotBeNull();
}
return(null);
}, MaxNumberOfRetries, s_retryDelay);
// Send more events to the hub
await QueryTestsHelper.SendEventsToHubAsync(
deviceClient,
tsiId,
modelSettings.TimeSeriesIdProperties.ToArray(),
2)
.ConfigureAwait(false);
// This retry logic was added as the TSI instance are not immediately available after creation
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
AsyncPageable <QueryResultPage> queryEventsPages = tsiClient.QueryEventsAsync(tsiId, startTime, endTime);
await foreach (QueryResultPage eventPage in queryEventsPages)
{
eventPage.Timestamps.Should().HaveCount(4);
eventPage.Timestamps.Should()
.OnlyContain(timeStamp => timeStamp >= startTime)
.And
.OnlyContain(timeStamp => timeStamp <= endTime);
eventPage.Properties.Should().NotBeEmpty();
eventPage.Properties.First().Should().NotBeNull();
}
return(null);
}, MaxNumberOfRetries, s_retryDelay);
// Send 2 events with a special condition that can be used later to query on
IDictionary <string, object> messageBase = QueryTestsHelper.BuildMessageBase(modelSettings.TimeSeriesIdProperties.ToArray(), tsiId);
messageBase[QueryTestsHelper.Temperature] = 1.2;
messageBase[QueryTestsHelper.Humidity] = 3.4;
string messageBody = JsonSerializer.Serialize(messageBase);
var message = new Message(Encoding.ASCII.GetBytes(messageBody))
{
ContentType = "application/json",
ContentEncoding = "utf-8",
};
Func <Task> sendEventAct = async() => await deviceClient.SendEventAsync(message).ConfigureAwait(false);
await sendEventAct.Should().NotThrowAsync();
// Send it again
sendEventAct.Should().NotThrow();
// Query for the two events with a filter
// Only project Temperature and one of the Id properties
var queryRequestOptions = new QueryEventsRequestOptions
{
Filter = "$event.Temperature.Double = 1.2",
StoreType = StoreType.WarmStore,
};
queryRequestOptions.ProjectedProperties.Add(
new EventProperty
{
Name = QueryTestsHelper.Temperature,
Type = "Double",
});
queryRequestOptions.ProjectedProperties.Add(
new EventProperty
{
Name = modelSettings.TimeSeriesIdProperties.First().Name,
Type = modelSettings.TimeSeriesIdProperties.First().Type.ToString(),
});
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
AsyncPageable <QueryResultPage> queryEventsPages = tsiClient.QueryEventsAsync(tsiId, startTime, endTime, queryRequestOptions);
await foreach (QueryResultPage eventPage in queryEventsPages)
{
eventPage.Timestamps.Should().HaveCount(2);
eventPage.Properties.Should().HaveCount(2);
eventPage.Properties.First().Should().NotBeNull();
eventPage.Properties.First().Name.Should().Be(QueryTestsHelper.Temperature);
eventPage.Properties[1].Name.Should().Be(modelSettings.TimeSeriesIdProperties.First().Name);
}
return(null);
}, MaxNumberOfRetries, s_retryDelay);
// Query for the two events with a filter, but only take 1
queryRequestOptions.MaximumNumberOfEvents = 1;
AsyncPageable <QueryResultPage> queryEventsPagesWithFilter = tsiClient.QueryEventsAsync(tsiId, startTime, endTime, queryRequestOptions);
await foreach (QueryResultPage eventPage in queryEventsPagesWithFilter)
{
eventPage.Timestamps.Should().HaveCount(1);
eventPage.Properties.Should().HaveCount(2);
eventPage.Properties.First().Should().NotBeNull();
eventPage.Properties.First().Name.Should().Be(QueryTestsHelper.Temperature);
eventPage.Properties[1].Name.Should().Be(modelSettings.TimeSeriesIdProperties.First().Name);
}
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
// Query for all the events using a timespan
AsyncPageable <QueryResultPage> queryEventsPagesWithTimespan = tsiClient.QueryEventsAsync(tsiId, TimeSpan.FromMinutes(20), endTime);
await foreach (QueryResultPage eventPage in queryEventsPagesWithTimespan)
{
eventPage.Timestamps.Should().HaveCount(6);
eventPage.Timestamps.Should()
.OnlyContain(timeStamp => timeStamp >= startTime)
.And
.OnlyContain(timeStamp => timeStamp <= endTime);
eventPage.Properties.Should().NotBeEmpty();
eventPage.Properties.First().Should().NotBeNull();
}
return(null);
}, MaxNumberOfRetries, s_retryDelay);
}
finally
{
deviceClient?.Dispose();
}
}
public async Task TimeSeriesInsightsQuery_AggregateSeriesWithNumericVariable()
{
// Arrange
TimeSeriesInsightsClient tsiClient = GetClient();
DeviceClient deviceClient = await GetDeviceClient().ConfigureAwait(false);
// Figure out what the Time Series Id is composed of
TimeSeriesModelSettings modelSettings = await tsiClient.ModelSettings.GetAsync().ConfigureAwait(false);
// Create a Time Series Id where the number of keys that make up the Time Series Id is fetched from Model Settings
TimeSeriesId tsiId = await GetUniqueTimeSeriesInstanceIdAsync(tsiClient, modelSettings.TimeSeriesIdProperties.Count)
.ConfigureAwait(false);
try
{
// Send some events to the IoT hub with with a second between each event
await QueryTestsHelper.SendEventsToHubAsync(
deviceClient,
tsiId,
modelSettings.TimeSeriesIdProperties.ToArray(),
30)
.ConfigureAwait(false);
DateTimeOffset now = Recording.UtcNow;
DateTimeOffset endTime = now.AddMinutes(10);
DateTimeOffset startTime = now.AddMinutes(-10);
var temperatureNumericVariable = new NumericVariable(
new TimeSeriesExpression($"$event.{QueryTestsHelper.Temperature}"),
new TimeSeriesExpression("avg($value)"));
var queryAggregateSeriesRequestOptions = new QueryAggregateSeriesRequestOptions();
queryAggregateSeriesRequestOptions.InlineVariables[QueryTestsHelper.Temperature] = temperatureNumericVariable;
queryAggregateSeriesRequestOptions.ProjectedVariables.Add(QueryTestsHelper.Temperature);
// This retry logic was added as the TSI instance are not immediately available after creation
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
QueryAnalyzer queryAggregateSeriesPages = tsiClient.Queries.CreateAggregateSeriesQueryAnalyzer(
tsiId,
startTime,
endTime,
TimeSpan.FromSeconds(5),
queryAggregateSeriesRequestOptions);
var nonNullFound = false;
await foreach (Page <TimeSeriesPoint> aggregateSeriesPage in queryAggregateSeriesPages.GetResultsAsync().AsPages())
{
foreach (TimeSeriesPoint point in aggregateSeriesPage.Values)
{
point.GetUniquePropertyNames().Should().HaveCount(1).And.Contain((property) => property == QueryTestsHelper.Temperature);
var value = (double?)point.GetValue(QueryTestsHelper.Temperature);
if (value != null)
{
nonNullFound = true;
}
}
nonNullFound.Should().BeTrue();
}
queryAggregateSeriesPages.Progress.Should().Be(100);
return(null);
}, MaxNumberOfRetries, s_retryDelay);
// Add an interpolated variable
var linearInterpolationNumericVariable = new NumericVariable(
new TimeSeriesExpression($"$event.{QueryTestsHelper.Temperature}"),
new TimeSeriesExpression("left($value)"));
linearInterpolationNumericVariable.Interpolation = new InterpolationOperation
{
Kind = InterpolationKind.Linear,
Boundary = new InterpolationBoundary()
{
Span = TimeSpan.FromSeconds(1),
},
};
const string linearInterpolation = "linearInterpolation";
queryAggregateSeriesRequestOptions.InlineVariables[linearInterpolation] = linearInterpolationNumericVariable;
queryAggregateSeriesRequestOptions.ProjectedVariables.Add(linearInterpolation);
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
QueryAnalyzer queryAggregateSeriesPages = tsiClient.Queries.CreateAggregateSeriesQueryAnalyzer(
tsiId,
startTime,
endTime,
TimeSpan.FromSeconds(5),
queryAggregateSeriesRequestOptions);
await foreach (Page <TimeSeriesPoint> aggregateSeriesPage in queryAggregateSeriesPages.GetResultsAsync().AsPages())
{
aggregateSeriesPage.Values.Should().HaveCountGreaterThan(0);
foreach (var point in aggregateSeriesPage.Values)
{
point.GetUniquePropertyNames().Should().HaveCount(2)
.And
.Contain((property) => property == QueryTestsHelper.Temperature)
.And
.Contain((property) => property == linearInterpolation);
}
}
return(null);
}, MaxNumberOfRetries, s_retryDelay);
// Send 2 events with a special condition that can be used later to query on
IDictionary <string, object> messageBase = QueryTestsHelper.BuildMessageBase(modelSettings.TimeSeriesIdProperties.ToArray(), tsiId);
messageBase[QueryTestsHelper.Temperature] = 1.2;
messageBase[QueryTestsHelper.Humidity] = 3.4;
string messageBody = JsonSerializer.Serialize(messageBase);
var message = new Message(Encoding.ASCII.GetBytes(messageBody))
{
ContentType = "application/json",
ContentEncoding = "utf-8",
};
Func <Task> sendEventAct = async() => await deviceClient.SendEventAsync(message).ConfigureAwait(false);
sendEventAct.Should().NotThrow();
// Send it again
sendEventAct.Should().NotThrow();
// Query for the two events with a filter
queryAggregateSeriesRequestOptions.Filter = "$event.Temperature.Double = 1.2";
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
QueryAnalyzer queryAggregateSeriesPages = tsiClient.Queries.CreateAggregateSeriesQueryAnalyzer(
tsiId,
startTime,
endTime,
TimeSpan.FromSeconds(5),
queryAggregateSeriesRequestOptions);
var valueFound = false;
await foreach (TimeSeriesPoint point in queryAggregateSeriesPages.GetResultsAsync())
{
point.GetUniquePropertyNames().Should().HaveCount(2)
.And
.Contain((property) => property == QueryTestsHelper.Temperature)
.And
.Contain((property) => property == linearInterpolation);
var value = (double?)point.GetValue(QueryTestsHelper.Temperature);
if (value == 1.2)
{
valueFound = true;
}
}
valueFound.Should().BeTrue();
return(null);
}, MaxNumberOfRetries, s_retryDelay);
}
finally
{
deviceClient?.Dispose();
}
}
public async Task TimeSeriesInsightsQuery_AggregateSeriesWithCategoricalVariable()
{
// Arrange
TimeSeriesInsightsClient tsiClient = GetClient();
DeviceClient deviceClient = await GetDeviceClient().ConfigureAwait(false);
// Figure out what the Time Series Id is composed of
TimeSeriesModelSettings modelSettings = await tsiClient.ModelSettings.GetAsync().ConfigureAwait(false);
// Create a Time Series Id where the number of keys that make up the Time Series Id is fetched from Model Settings
TimeSeriesId tsiId = await GetUniqueTimeSeriesInstanceIdAsync(tsiClient, modelSettings.TimeSeriesIdProperties.Count)
.ConfigureAwait(false);
try
{
// Send some events to the IoT hub with with a second between each event
await QueryTestsHelper.SendEventsToHubAsync(
deviceClient,
tsiId,
modelSettings.TimeSeriesIdProperties.ToArray(),
30)
.ConfigureAwait(false);
DateTimeOffset now = Recording.UtcNow;
DateTimeOffset endTime = now.AddMinutes(10);
DateTimeOffset startTime = now.AddMinutes(-10);
var queryAggregateSeriesRequestOptions = new QueryAggregateSeriesRequestOptions();
var categoricalVariable = new CategoricalVariable(
new TimeSeriesExpression($"tolong($event.{QueryTestsHelper.Temperature}.Double)"),
new TimeSeriesDefaultCategory("N/A"));
categoricalVariable.Categories.Add(new TimeSeriesAggregateCategory("good", new List <object> {
1
}));
queryAggregateSeriesRequestOptions.InlineVariables["categorical"] = categoricalVariable;
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
QueryAnalyzer queryAggregateSeriesPages = tsiClient.Queries.CreateAggregateSeriesQueryAnalyzer(
tsiId,
startTime,
endTime,
TimeSpan.FromSeconds(5),
queryAggregateSeriesRequestOptions);
await foreach (TimeSeriesPoint point in queryAggregateSeriesPages.GetResultsAsync())
{
point.GetUniquePropertyNames().Should().HaveCount(3)
.And
.Contain((property) => property == "categorical[good]")
.And
.Contain((property) => property == "categorical[N/A]");
}
return(null);
}, MaxNumberOfRetries, s_retryDelay);
}
finally
{
deviceClient?.Dispose();
}
}
public async Task TimeSeriesInsightsQuery_AggregateSeriesWithAggregateVariable()
{
// Arrange
TimeSeriesInsightsClient tsiClient = GetClient();
DeviceClient deviceClient = await GetDeviceClient().ConfigureAwait(false);
// Figure out what the Time Series Id is composed of
TimeSeriesModelSettings modelSettings = await tsiClient.ModelSettings.GetAsync().ConfigureAwait(false);
// Create a Time Series Id where the number of keys that make up the Time Series Id is fetched from Model Settings
TimeSeriesId tsiId = await GetUniqueTimeSeriesInstanceIdAsync(tsiClient, modelSettings.TimeSeriesIdProperties.Count)
.ConfigureAwait(false);
try
{
// Send some events to the IoT hub with with a second between each event
await QueryTestsHelper.SendEventsToHubAsync(
deviceClient,
tsiId,
modelSettings.TimeSeriesIdProperties.ToArray(),
30)
.ConfigureAwait(false);
// Query for temperature events with two calculateions. First with the temperature value as is, and the second
// with the temperature value multiplied by 2.
DateTimeOffset now = Recording.UtcNow;
DateTimeOffset endTime = now.AddMinutes(10);
DateTimeOffset startTime = now.AddMinutes(-10);
var aggregateVariable = new AggregateVariable(
new TimeSeriesExpression("count()"));
var queryAggregateSeriesRequestOptions = new QueryAggregateSeriesRequestOptions();
queryAggregateSeriesRequestOptions.InlineVariables["Count"] = aggregateVariable;
queryAggregateSeriesRequestOptions.ProjectedVariables.Add("Count");
// This retry logic was added as the TSI instance are not immediately available after creation
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
QueryAnalyzer queryAggregateSeriesPages = tsiClient.Queries.CreateAggregateSeriesQueryAnalyzer(
tsiId,
startTime,
endTime,
TimeSpan.FromSeconds(5),
queryAggregateSeriesRequestOptions);
long?totalCount = 0;
await foreach (TimeSeriesPoint point in queryAggregateSeriesPages.GetResultsAsync())
{
var currentCount = (long?)point.GetValue("Count");
totalCount += currentCount;
}
totalCount.Should().Be(30);
return(null);
}, MaxNumberOfRetries, s_retryDelay);
}
finally
{
deviceClient?.Dispose();
}
}
public async Task TimeSeriesInsightsQuery_GetSeriesLifecycle()
{
// Arrange
TimeSeriesInsightsClient tsiClient = GetClient();
DeviceClient deviceClient = await GetDeviceClient().ConfigureAwait(false);
// Figure out what the Time Series Id is composed of
TimeSeriesModelSettings modelSettings = await tsiClient.ModelSettings.GetAsync().ConfigureAwait(false);
// Create a Time Series Id where the number of keys that make up the Time Series Id is fetched from Model Settings
TimeSeriesId tsiId = await GetUniqueTimeSeriesInstanceIdAsync(tsiClient, modelSettings.TimeSeriesIdProperties.Count)
.ConfigureAwait(false);
try
{
// Send some events to the IoT hub
await QueryTestsHelper.SendEventsToHubAsync(
deviceClient,
tsiId,
modelSettings.TimeSeriesIdProperties.ToArray(),
10)
.ConfigureAwait(false);
// Act
// Query for temperature events with two calculateions. First with the temperature value as is, and the second
// with the temperature value multiplied by 2.
DateTimeOffset now = Recording.UtcNow;
DateTimeOffset endTime = now.AddMinutes(10);
DateTimeOffset startTime = now.AddMinutes(-10);
var temperatureNumericVariable = new NumericVariable(
new TimeSeriesExpression($"$event.{QueryTestsHelper.Temperature}"),
new TimeSeriesExpression("avg($value)"));
var temperatureNumericVariableTimesTwo = new NumericVariable(
new TimeSeriesExpression($"$event.{QueryTestsHelper.Temperature} * 2"),
new TimeSeriesExpression("avg($value)"));
var temperatureTimesTwoVariableName = $"{QueryTestsHelper.Temperature}TimesTwo";
var querySeriesRequestOptions = new QuerySeriesRequestOptions();
querySeriesRequestOptions.InlineVariables[QueryTestsHelper.Temperature] = temperatureNumericVariable;
querySeriesRequestOptions.InlineVariables[temperatureTimesTwoVariableName] = temperatureNumericVariableTimesTwo;
// This retry logic was added as the TSI instance are not immediately available after creation
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
AsyncPageable <QueryResultPage> querySeriesEventsPages = tsiClient.Query.GetSeriesAsync(
tsiId,
startTime,
endTime,
querySeriesRequestOptions);
await foreach (QueryResultPage seriesEventsPage in querySeriesEventsPages)
{
seriesEventsPage.Timestamps.Should().HaveCount(10);
seriesEventsPage.Timestamps.Should().OnlyContain(timeStamp => timeStamp >= startTime)
.And
.OnlyContain(timeStamp => timeStamp <= endTime);
seriesEventsPage.Properties.Count.Should().Be(3); // EventCount, Temperature and TemperatureTimesTwo
seriesEventsPage.Properties.Should().Contain((property) => property.Name == QueryTestsHelper.Temperature)
.And
.Contain((property) => property.Name == temperatureTimesTwoVariableName);
// Assert that the values for the Temperature property is equal to the values for the other property, multiplied by 2
var temperatureValues = seriesEventsPage
.Properties
.First((property) => property.Name == QueryTestsHelper.Temperature)
.Values.Cast <double>().ToList();
var temperatureTimesTwoValues = seriesEventsPage
.Properties
.First((property) => property.Name == temperatureTimesTwoVariableName)
.Values.Cast <double>().ToList();
temperatureTimesTwoValues.Should().Equal(temperatureValues.Select((property) => property * 2).ToList());
}
return(null);
}, MaxNumberOfRetries, s_retryDelay);
// Query for all the series events using a timespan
AsyncPageable <QueryResultPage> querySeriesEventsPagesWithTimespan = tsiClient.Query.GetSeriesAsync(tsiId, TimeSpan.FromMinutes(10), null, querySeriesRequestOptions);
await foreach (QueryResultPage seriesEventsPage in querySeriesEventsPagesWithTimespan)
{
seriesEventsPage.Timestamps.Should().HaveCount(10);
seriesEventsPage.Properties.Count.Should().Be(3); // EventCount, Temperature and TemperatureTimesTwo
}
// Query for temperature and humidity
var humidityNumericVariable = new NumericVariable(
new TimeSeriesExpression("$event.Humidity"),
new TimeSeriesExpression("avg($value)"));
querySeriesRequestOptions.InlineVariables[QueryTestsHelper.Humidity] = humidityNumericVariable;
querySeriesRequestOptions.ProjectedVariables.Add(QueryTestsHelper.Temperature);
querySeriesRequestOptions.ProjectedVariables.Add(QueryTestsHelper.Humidity);
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
AsyncPageable <QueryResultPage> querySeriesEventsPages = tsiClient.Query.GetSeriesAsync(tsiId, startTime, endTime, querySeriesRequestOptions);
await foreach (QueryResultPage seriesEventsPage in querySeriesEventsPages)
{
seriesEventsPage.Timestamps.Should().HaveCount(10);
seriesEventsPage.Timestamps.Should().OnlyContain(timeStamp => timeStamp >= startTime)
.And
.OnlyContain(timeStamp => timeStamp <= endTime);
seriesEventsPage.Properties.Count.Should().Be(2); // Temperature and Humidity
seriesEventsPage.Properties.Should().Contain((property) => property.Name == QueryTestsHelper.Temperature)
.And
.Contain((property) => property.Name == QueryTestsHelper.Humidity);
}
return(null);
}, MaxNumberOfRetries, s_retryDelay);
// Send 2 events with a special condition that can be used later to query on
IDictionary <string, object> messageBase = QueryTestsHelper.BuildMessageBase(modelSettings.TimeSeriesIdProperties.ToArray(), tsiId);
messageBase[QueryTestsHelper.Temperature] = 1.2;
messageBase[QueryTestsHelper.Humidity] = 3.4;
string messageBody = JsonSerializer.Serialize(messageBase);
var message = new Message(Encoding.ASCII.GetBytes(messageBody))
{
ContentType = "application/json",
ContentEncoding = "utf-8",
};
Func <Task> sendEventAct = async() => await deviceClient.SendEventAsync(message).ConfigureAwait(false);
sendEventAct.Should().NotThrow();
// Send it again
sendEventAct.Should().NotThrow();
// Query for the two events with a filter
querySeriesRequestOptions.Filter = "$event.Temperature.Double = 1.2";
await TestRetryHelper.RetryAsync <AsyncPageable <QueryResultPage> >(async() =>
{
AsyncPageable <QueryResultPage> querySeriesEventsPages = tsiClient.Query.GetSeriesAsync(tsiId, startTime, endTime, querySeriesRequestOptions);
await foreach (QueryResultPage seriesEventsPage in querySeriesEventsPages)
{
seriesEventsPage.Timestamps.Should().HaveCount(2);
seriesEventsPage.Properties.Should().HaveCount(2)
.And
.Contain((property) => property.Name == QueryTestsHelper.Temperature)
.And
.Contain((property) => property.Name == QueryTestsHelper.Humidity);
var temperatureValues = seriesEventsPage
.Properties
.First((property) => property.Name == QueryTestsHelper.Temperature)
.Values.Cast <double>().ToList();
temperatureValues.Should().AllBeEquivalentTo(1.2);
}
return(null);
}, MaxNumberOfRetries, s_retryDelay);
// Query for the two events with a filter, but only take 1
querySeriesRequestOptions.MaximumNumberOfEvents = 1;
AsyncPageable <QueryResultPage> querySeriesEventsPagesWithFilter = tsiClient.Query.GetSeriesAsync(tsiId, startTime, endTime, querySeriesRequestOptions);
await foreach (QueryResultPage seriesEventsPage in querySeriesEventsPagesWithFilter)
{
seriesEventsPage.Timestamps.Should().HaveCount(1);
seriesEventsPage.Properties.Should().HaveCount(2)
.And
.Contain((property) => property.Name == QueryTestsHelper.Temperature)
.And
.Contain((property) => property.Name == QueryTestsHelper.Humidity);
var temperatureValues = seriesEventsPage
.Properties
.First((property) => property.Name == QueryTestsHelper.Temperature)
.Values.Cast <double>().ToList();
temperatureValues.Should().AllBeEquivalentTo(1.2);
}
}
finally
{
deviceClient?.Dispose();
}
}
public async Task TimeSeriesInsightsQuery_GetEventsLifecycle()
{
// Arrange
TimeSeriesInsightsClient tsiClient = GetClient();
TimeSeriesInsightsModelSettings timeSeriesModelSettings = tsiClient.GetModelSettingsClient();
TimeSeriesInsightsInstances instancesClient = tsiClient.GetInstancesClient();
TimeSeriesInsightsQueries queriesClient = tsiClient.GetQueriesClient();
DeviceClient deviceClient = await GetDeviceClient().ConfigureAwait(false);
// Figure out what the Time Series Id is composed of
TimeSeriesModelSettings modelSettings = await timeSeriesModelSettings.GetAsync().ConfigureAwait(false);
// Create a Time Series Id where the number of keys that make up the Time Series Id is fetched from Model Settings
TimeSeriesId tsiId = await GetUniqueTimeSeriesInstanceIdAsync(instancesClient, modelSettings.TimeSeriesIdProperties.Count)
.ConfigureAwait(false);
try
{
var initialEventsCount = 50;
// Send some events to the IoT hub
await QueryTestsHelper.SendEventsToHubAsync(
deviceClient,
tsiId,
modelSettings.TimeSeriesIdProperties.ToArray(),
initialEventsCount)
.ConfigureAwait(false);
// Act
// Get events from last 10 minute
DateTimeOffset now = Recording.UtcNow;
DateTimeOffset endTime = now.AddMinutes(10);
DateTimeOffset startTime = now.AddMinutes(-10);
// This retry logic was added as the TSI instance are not immediately available after creation
await TestRetryHelper.RetryAsync <AsyncPageable <TimeSeriesPoint> >(async() =>
{
TimeSeriesQueryAnalyzer queryEventsPages = queriesClient.CreateEventsQuery(tsiId, startTime, endTime);
var count = 0;
await foreach (TimeSeriesPoint timeSeriesPoint in queryEventsPages.GetResultsAsync())
{
count++;
timeSeriesPoint.Timestamp.Should().BeAfter(startTime).And.BeBefore(endTime);
var temperatureValue = timeSeriesPoint.GetNullableDouble(QueryTestsHelper.Temperature);
temperatureValue.Should().NotBeNull();
var humidityValue = (double?)timeSeriesPoint.GetValue(QueryTestsHelper.Humidity);
humidityValue.Should().NotBeNull();
}
count.Should().Be(initialEventsCount);
return(null);
}, MaxNumberOfRetries, s_retryDelay);
// Send 2 events with a special condition that can be used later to query on
IDictionary <string, object> messageBase = QueryTestsHelper.BuildMessageBase(
modelSettings.TimeSeriesIdProperties.ToArray(),
tsiId);
messageBase[QueryTestsHelper.Temperature] = 1.2;
messageBase[QueryTestsHelper.Humidity] = 3.4;
string messageBody = JsonSerializer.Serialize(messageBase);
var message = new Message(Encoding.ASCII.GetBytes(messageBody))
{
ContentType = "application/json",
ContentEncoding = "utf-8",
};
Func <Task> sendEventAct = async() => await deviceClient.SendEventAsync(message).ConfigureAwait(false);
await sendEventAct.Should().NotThrowAsync();
// Send it again
sendEventAct.Should().NotThrow();
// Query for the two events with a filter
// Only project Temperature and one of the Id properties
var queryRequestOptions = new QueryEventsRequestOptions
{
Filter = new TimeSeriesExpression("$event.Temperature.Double = 1.2"),
Store = StoreType.WarmStore,
};
queryRequestOptions.ProjectedProperties.Add(
new TimeSeriesInsightsEventProperty
{
Name = QueryTestsHelper.Temperature,
PropertyValueType = "Double",
});
queryRequestOptions.ProjectedProperties.Add(
new TimeSeriesInsightsEventProperty
{
Name = modelSettings.TimeSeriesIdProperties.First().Name,
PropertyValueType = modelSettings.TimeSeriesIdProperties.First().PropertyType.ToString(),
});
await TestRetryHelper.RetryAsync <AsyncPageable <TimeSeriesPoint> >(async() =>
{
TimeSeriesQueryAnalyzer queryEventsPages = queriesClient.CreateEventsQuery(tsiId, startTime, endTime, queryRequestOptions);
await foreach (Page <TimeSeriesPoint> page in queryEventsPages.GetResultsAsync().AsPages())
{
page.Values.Should().HaveCount(2);
foreach (TimeSeriesPoint point in page.Values)
{
var value = (double?)point.GetValue(QueryTestsHelper.Temperature);
value.Should().Be(1.2);
}
}
return(null);
}, MaxNumberOfRetries, s_retryDelay);
// Query for the two events with a filter, but only take 1
queryRequestOptions.MaxNumberOfEvents = 1;
TimeSeriesQueryAnalyzer queryEventsPagesWithFilter = queriesClient.CreateEventsQuery(tsiId, startTime, endTime, queryRequestOptions);
await foreach (Page <TimeSeriesPoint> page in queryEventsPagesWithFilter.GetResultsAsync().AsPages())
{
page.Values.Should().HaveCount(1);
}
await TestRetryHelper.RetryAsync <AsyncPageable <TimeSeriesPoint> >(async() =>
{
// Query for all the events using a timespan
TimeSeriesQueryAnalyzer queryEventsPagesWithTimespan = queriesClient
.CreateEventsQuery(tsiId, TimeSpan.FromMinutes(20), endTime);
await foreach (Page <TimeSeriesPoint> page in queryEventsPagesWithTimespan.GetResultsAsync().AsPages())
{
page.Values.Should().HaveCount(52);
foreach (TimeSeriesPoint point in page.Values)
{
point.Timestamp.Should().BeAfter(startTime).And.BeBefore(endTime);
var temperatureValue = (double?)point.GetValue(QueryTestsHelper.Temperature);
temperatureValue.Should().NotBeNull();
var humidityValue = (double?)point.GetValue(QueryTestsHelper.Humidity);
humidityValue.Should().NotBeNull();
}
}
return(null);
}, MaxNumberOfRetries, s_retryDelay);
}
finally
{
deviceClient?.Dispose();
}
}