File size: 2,265 Bytes
4021124 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | import pytest
from aws_lambda_powertools.metrics.functions import (
extract_cloudwatch_metric_resolution_value,
extract_cloudwatch_metric_unit_value,
)
from aws_lambda_powertools.metrics.provider.cloudwatch_emf.exceptions import (
MetricResolutionError,
MetricUnitError,
)
from aws_lambda_powertools.metrics.provider.cloudwatch_emf.metric_properties import MetricResolution, MetricUnit
def test_extract_invalid_cloudwatch_metric_resolution_value():
metric_resolutions = [resolution.value for resolution in MetricResolution]
# GIVEN an invalid EMF resolution value
resolution = 2
# WHEN try to extract this value
# THEN must fail with MetricResolutionError
with pytest.raises(MetricResolutionError, match="Invalid metric resolution.*"):
extract_cloudwatch_metric_resolution_value(metric_resolutions, resolution=resolution)
def test_extract_valid_cloudwatch_metric_resolution_value():
metric_resolutions = [resolution.value for resolution in MetricResolution]
# GIVEN a valid EMF resolution value
resolution = 1
# WHEN try to extract this value
extracted_resolution_value = extract_cloudwatch_metric_resolution_value(metric_resolutions, resolution=resolution)
# THEN value must be extracted
assert extracted_resolution_value == resolution
def test_extract_invalid_cloudwatch_metric_unit_value():
metric_units = [unit.value for unit in MetricUnit]
metric_unit_valid_options = list(MetricUnit.__members__)
# GIVEN an invalid EMF unit value
unit = "Fake"
# WHEN try to extract this value
# THEN must fail with MetricUnitError
with pytest.raises(MetricUnitError, match="Invalid metric unit.*"):
extract_cloudwatch_metric_unit_value(metric_units, metric_unit_valid_options, unit=unit)
def test_extract_valid_cloudwatch_metric_unit_value():
metric_units = [unit.value for unit in MetricUnit]
metric_unit_valid_options = list(MetricUnit.__members__)
# GIVEN an invalid EMF unit value
unit = "Count"
# WHEN try to extract this value
extracted_unit_value = extract_cloudwatch_metric_unit_value(metric_units, metric_unit_valid_options, unit=unit)
# THEN value must be extracted
assert extracted_unit_value == unit
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