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Add policy-based event routing in DataUpdaterPlant
Signed-off-by: Arnaldo Cesco <arnaldo.cesco@ispirata.com>
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142
...astarte_data_updater_plant/test/astarte_data_updater_plant/http_triggers_handler_test.exs
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| # | ||
| # This file is part of Astarte. | ||
| # | ||
| # Copyright 2021 Ispirata Srl | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| # | ||
|
|
||
| defmodule Astarte.DataUpdaterPlant.HTTPTriggersHandlerTest do | ||
| use ExUnit.Case | ||
|
|
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| use Astarte.Core.Triggers.SimpleEvents | ||
|
|
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| alias AMQP.Channel | ||
| alias AMQP.Connection | ||
| alias AMQP.Queue | ||
| alias Astarte.Core.Triggers.SimpleTriggersProtobuf.AMQPTriggerTarget | ||
| alias Astarte.DataUpdaterPlant.Config | ||
| alias Astarte.DataUpdaterPlant.TriggersHandler | ||
| alias Astarte.DataUpdaterPlant.DatabaseTestHelper | ||
|
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| @introspection "com.My.Interface:1:0;com.Another.Interface:1:2" | ||
| @realm "autotestrealm" | ||
| @policy1 "@default" | ||
| @queue_name1 "#{@realm}_#{@policy1}_queue" | ||
| @routing_key1 "#{@realm}_#{@policy1}" | ||
| @device_id :crypto.strong_rand_bytes(16) |> Base.url_encode64(padding: false) | ||
| @interface "com.Test.Interface" | ||
| @major_version 1 | ||
| @minor_version 1 | ||
| @path "/some/path" | ||
| @bson_value %{v: "testvalue"} |> Cyanide.encode!() | ||
| @ip_address "2.3.4.5" | ||
|
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| setup_all do | ||
| {:ok, conn} = Connection.open(Config.amqp_producer_options!()) | ||
| {:ok, chan} = Channel.open(conn) | ||
| {:ok, _queue} = Queue.declare(chan, @queue_name1) | ||
|
|
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| :ok = | ||
| Queue.bind(chan, @queue_name1, Config.events_exchange_name!(), routing_key: @routing_key1) | ||
|
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| on_exit(fn -> | ||
| Channel.close(chan) | ||
| Connection.close(conn) | ||
| end) | ||
|
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| [chan: chan] | ||
| end | ||
|
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| test "HTTP event with no trigger policy handling", %{chan: chan} do | ||
| test_pid = self() | ||
|
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| {:ok, consumer_tag} = | ||
| AMQP.Queue.subscribe(chan, @queue_name1, fn payload, meta -> | ||
| send(test_pid, {:event, payload, meta}) | ||
| end) | ||
|
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| simple_trigger_id = :uuid.get_v4() | ||
| parent_trigger_id = :uuid.get_v4() | ||
| static_header_key = "important_metadata_value_change_applied" | ||
| static_header_value = "test_meta_value_change_applied" | ||
| static_headers = [{static_header_key, static_header_value}] | ||
| old_bson_value = %{v: 41} |> Cyanide.encode!() | ||
| new_bson_value = %{v: 42} |> Cyanide.encode!() | ||
| timestamp = get_timestamp() | ||
|
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| target = %AMQPTriggerTarget{ | ||
| simple_trigger_id: simple_trigger_id, | ||
| parent_trigger_id: parent_trigger_id, | ||
| static_headers: static_headers, | ||
| routing_key: "trigger_engine" | ||
| } | ||
|
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| TriggersHandler.value_change_applied( | ||
| target, | ||
| @realm, | ||
| @device_id, | ||
| @interface, | ||
| @path, | ||
| old_bson_value, | ||
| new_bson_value, | ||
| timestamp | ||
| ) | ||
|
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| assert_receive {:event, payload, meta} | ||
|
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| assert %SimpleEvent{ | ||
| device_id: @device_id, | ||
| parent_trigger_id: ^parent_trigger_id, | ||
| simple_trigger_id: ^simple_trigger_id, | ||
| realm: @realm, | ||
| timestamp: ^timestamp, | ||
| event: {:value_change_applied_event, value_change_applied_event} | ||
| } = SimpleEvent.decode(payload) | ||
|
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| assert %ValueChangeAppliedEvent{ | ||
| interface: @interface, | ||
| path: @path, | ||
| old_bson_value: ^old_bson_value, | ||
| new_bson_value: ^new_bson_value | ||
| } = value_change_applied_event | ||
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| headers_map = amqp_headers_to_map(meta.headers) | ||
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| assert Map.get(headers_map, "x_astarte_realm") == @realm | ||
| assert Map.get(headers_map, "x_astarte_trigger_policy") == @policy1 | ||
| assert Map.get(headers_map, "x_astarte_device_id") == @device_id | ||
| assert Map.get(headers_map, "x_astarte_event_type") == "value_change_applied_event" | ||
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| assert Map.get(headers_map, "x_astarte_simple_trigger_id") |> :uuid.string_to_uuid() == | ||
| simple_trigger_id | ||
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| assert Map.get(headers_map, "x_astarte_parent_trigger_id") |> :uuid.string_to_uuid() == | ||
| parent_trigger_id | ||
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| assert Map.get(headers_map, static_header_key) == static_header_value | ||
|
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| AMQP.Queue.unsubscribe(chan, consumer_tag) | ||
| end | ||
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| defp amqp_headers_to_map(headers) do | ||
| Enum.reduce(headers, %{}, fn {key, _type, value}, acc -> | ||
| Map.put(acc, key, value) | ||
| end) | ||
| end | ||
|
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| defp get_timestamp do | ||
| DateTime.utc_now() | ||
| |> DateTime.to_unix(:microsecond) | ||
| end | ||
| end |