go to terminal and go to inside this folder
pip install virtualenv
virtualenv myvirtualevn
For Mac OS / Linux
source myvirtualevn/bin/activate
For Windows
myvirtualevn\Scripts\activate
pip install -r requirements.txt
pytest test/test_my_handler.py
pytest --cov=src tests/
Note: There are couple of things to note when you run/test this code.
- As 'describe_alarm_history' method was not implemented in actual moto library we implemented this in the code with the sample alarms provide. The sample alarms are given below:
alarms = [{
"Timestamp": "2020-06-25T18:59:06.442Z",
"HistoryItemType": "StateUpdate",
"AlarmName": "myalarm",
"HistoryData": "{\"version\":\"1.0\",\"oldState\":{\"stateValue\":\"ALARM\",\"stateReason\":\"testing purposes\"},\"newState\":{\"stateValue\":\"OK\",\"stateReason\":\"Threshold Crossed: 2 datapoints were not greater than the threshold (70.0). The most recent datapoints: [38.958, 40.292].\",\"stateReasonData\":{\"version\":\"1.0\",\"queryDate\":\"2014-04-09T18:59:06.419+0000\",\"startDate\":\"2014-04-09T18:44:00.000+0000\",\"statistic\":\"Average\",\"period\":300,\"recentDatapoints\":[38.958,40.292],\"threshold\":70.0}}}",
"HistorySummary": "Alarm updated from ALARM to OK arn:aws:sns:us-east-1:123456789012:my-topic"
},
{
"Timestamp": "2020-06-25T19:59:06.442Z",
"HistoryItemType": "StateUpdate",
"AlarmName": "myalarm",
"HistoryData": "{\"version\":\"1.0\",\"oldState\":{\"stateValue\":\"OK\",\"stateReason\":\"Threshold Crossed: 2 datapoints were not greater than the threshold (70.0). The most recent datapoints: [38.839999999999996, 39.714].\",\"stateReasonData\":{\"version\":\"1.0\",\"queryDate\":\"2014-03-11T22:45:41.569+0000\",\"startDate\":\"2014-03-11T22:30:00.000+0000\",\"statistic\":\"Average\",\"period\":300,\"recentDatapoints\":[38.839999999999996,39.714],\"threshold\":70.0}},\"newState\":{\"stateValue\":\"ALARM\",\"stateReason\":\"testing purposes\"}}",
"HistorySummary": "Alarm updated from OK to ALARM arn:aws:sns:us-east-1:123456789012:my-topic"
},
{
"Timestamp": "2020-06-25T20:59:06.442Z",
"HistoryItemType": "StateUpdate",
"AlarmName": "myalarm",
"HistoryData": "{\"version\":\"1.0\",\"oldState\":{\"stateValue\":\"OK\",\"stateReason\":\"Threshold Crossed: 2 datapoints were not greater than the threshold (70.0). The most recent datapoints: [38.839999999999996, 39.714].\",\"stateReasonData\":{\"version\":\"1.0\",\"queryDate\":\"2014-03-11T22:45:41.569+0000\",\"startDate\":\"2014-03-11T22:30:00.000+0000\",\"statistic\":\"Average\",\"period\":300,\"recentDatapoints\":[38.839999999999996,39.714],\"threshold\":70.0}},\"newState\":{\"stateValue\":\"ALARM\",\"stateReason\":\"testing purposes\"}}",
"HistorySummary": "Alarm updated from OK to ALARM arn:aws:sns:us-east-1:123456789012:my-topic"
}]This is just for testing purpose, so if you want to modify it you can go below and modify it according to your alarms and need to modify the test cases accordingly:
package -> moto -> cloudwatch -> responses.py -> line 142
- In the testing we use environment variable SUBSCRIPTORS_TO_REPORT. If there is no data get found in that variable then by default it will take 'testlambda1@mailinator.com' as a value.
To decativate the virtual environment and use your original Python environment, simply type ‘deactivate’.
deactivate