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# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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
#
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#

# pytype: skip-file

from __future__ import absolute_import

import unittest

from apache_beam.metrics import monitoring_infos
from apache_beam.metrics.cells import CounterCell
from apache_beam.metrics.cells import GaugeCell


class MonitoringInfosTest(unittest.TestCase):
  def test_parse_namespace_and_name_for_nonuser_metric(self):
    input = monitoring_infos.create_monitoring_info(
        "beam:dummy:metric", "typeurn", None)
    namespace, name = monitoring_infos.parse_namespace_and_name(input)
    self.assertEqual(namespace, "beam")
    self.assertEqual(name, "dummy:metric")

  def test_parse_namespace_and_name_for_user_counter_metric(self):
    urn = monitoring_infos.USER_COUNTER_URN
    labels = {}
    labels[monitoring_infos.NAMESPACE_LABEL] = "counternamespace"
    labels[monitoring_infos.NAME_LABEL] = "countername"
    input = monitoring_infos.create_monitoring_info(
        urn, "typeurn", None, labels)
    namespace, name = monitoring_infos.parse_namespace_and_name(input)
    self.assertEqual(namespace, "counternamespace")
    self.assertEqual(name, "countername")

  def test_parse_namespace_and_name_for_user_distribution_metric(self):
    urn = monitoring_infos.USER_DISTRIBUTION_URN
    labels = {}
    labels[monitoring_infos.NAMESPACE_LABEL] = "counternamespace"
    labels[monitoring_infos.NAME_LABEL] = "countername"
    input = monitoring_infos.create_monitoring_info(
        urn, "typeurn", None, labels)
    namespace, name = monitoring_infos.parse_namespace_and_name(input)
    self.assertEqual(namespace, "counternamespace")
    self.assertEqual(name, "countername")

  def test_parse_namespace_and_name_for_user_gauge_metric(self):
    urn = monitoring_infos.USER_GAUGE_URN
    labels = {}
    labels[monitoring_infos.NAMESPACE_LABEL] = "counternamespace"
    labels[monitoring_infos.NAME_LABEL] = "countername"
    input = monitoring_infos.create_monitoring_info(
        urn, "typeurn", None, labels)
    namespace, name = monitoring_infos.parse_namespace_and_name(input)
    self.assertEqual(namespace, "counternamespace")
    self.assertEqual(name, "countername")

  def test_int64_user_gauge(self):
    metric = GaugeCell().get_cumulative()
    result = monitoring_infos.int64_user_gauge(
        'gaugenamespace', 'gaugename', metric)
    _, gauge_value = monitoring_infos.extract_gauge_value(result)
    self.assertEqual(0, gauge_value)

  def test_int64_user_counter(self):
    expected_labels = {}
    expected_labels[monitoring_infos.NAMESPACE_LABEL] = "counternamespace"
    expected_labels[monitoring_infos.NAME_LABEL] = "countername"

    metric = CounterCell().get_cumulative()
    result = monitoring_infos.int64_user_counter(
        'counternamespace', 'countername', metric)
    counter_value = monitoring_infos.extract_counter_value(result)

    self.assertEqual(0, counter_value)
    self.assertEqual(result.labels, expected_labels)

  def test_int64_counter(self):
    expected_labels = {}
    expected_labels[monitoring_infos.PCOLLECTION_LABEL] = "collectionname"
    expected_labels[monitoring_infos.PTRANSFORM_LABEL] = "ptransformname"
    expected_labels[monitoring_infos.SERVICE_LABEL] = "BigQuery"

    labels = {
        monitoring_infos.SERVICE_LABEL: "BigQuery",
    }
    metric = CounterCell().get_cumulative()
    result = monitoring_infos.int64_counter(
        monitoring_infos.API_REQUEST_COUNT_URN,
        metric,
        ptransform="ptransformname",
        pcollection="collectionname",
        labels=labels)
    counter_value = monitoring_infos.extract_counter_value(result)

    self.assertEqual(0, counter_value)
    self.assertEqual(result.labels, expected_labels)


if __name__ == '__main__':
  unittest.main()
