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# -*- coding: utf-8 -*-
from datetime import datetime
from datetime import timedelta
import mock
import pytest
from dateutil.parser import parse as dt
from elastalert.util import add_raw_postfix
from elastalert.util import format_index
from elastalert.util import lookup_es_key
from elastalert.util import parse_deadline
from elastalert.util import parse_duration
from elastalert.util import replace_dots_in_field_names
from elastalert.util import resolve_string
from elastalert.util import set_es_key
from elastalert.util import should_scrolling_continue
@pytest.mark.parametrize('spec, expected_delta', [
('hours=2', timedelta(hours=2)),
('minutes=30', timedelta(minutes=30)),
('seconds=45', timedelta(seconds=45)),
])
def test_parse_duration(spec, expected_delta):
"""``unit=num`` specs can be translated into ``timedelta`` instances."""
assert parse_duration(spec) == expected_delta
@pytest.mark.parametrize('spec, expected_deadline', [
('hours=2', dt('2017-07-07T12:00:00.000Z')),
('minutes=30', dt('2017-07-07T10:30:00.000Z')),
('seconds=45', dt('2017-07-07T10:00:45.000Z')),
])
def test_parse_deadline(spec, expected_deadline):
"""``unit=num`` specs can be translated into ``datetime`` instances."""
# Note: Can't mock ``utcnow`` directly because ``datetime`` is a built-in.
class MockDatetime(datetime):
@staticmethod
def utcnow():
return dt('2017-07-07T10:00:00.000Z')
with mock.patch('datetime.datetime', MockDatetime):
assert parse_deadline(spec) == expected_deadline
def test_setting_keys(ea):
expected = 12467267
record = {
'Message': '12345',
'Fields': {
'ts': 'fail',
'severity': 'large',
'user': 'jimmay'
}
}
# Set the value
assert set_es_key(record, 'Fields.ts', expected)
# Get the value again
assert lookup_es_key(record, 'Fields.ts') == expected
def test_looking_up_missing_keys(ea):
record = {
'Message': '12345',
'Fields': {
'severity': 'large',
'user': 'jimmay',
'null': None
}
}
assert lookup_es_key(record, 'Fields.ts') is None
assert lookup_es_key(record, 'Fields.null.foo') is None
def test_looking_up_nested_keys(ea):
expected = 12467267
record = {
'Message': '12345',
'Fields': {
'ts': expected,
'severity': 'large',
'user': 'jimmay'
}
}
assert lookup_es_key(record, 'Fields.ts') == expected
def test_looking_up_nested_composite_keys(ea):
expected = 12467267
record = {
'Message': '12345',
'Fields': {
'ts.value': expected,
'severity': 'large',
'user': 'jimmay'
}
}
assert lookup_es_key(record, 'Fields.ts.value') == expected
def test_looking_up_arrays(ea):
record = {
'flags': [1, 2, 3],
'objects': [
{'foo': 'bar'},
{'foo': [{'bar': 'baz'}]},
{'foo': {'bar': 'baz'}}
]
}
assert lookup_es_key(record, 'flags[0]') == 1
assert lookup_es_key(record, 'flags[1]') == 2
assert lookup_es_key(record, 'objects[0]foo') == 'bar'
assert lookup_es_key(record, 'objects[1]foo[0]bar') == 'baz'
assert lookup_es_key(record, 'objects[2]foo.bar') == 'baz'
assert lookup_es_key(record, 'objects[1]foo[1]bar') is None
assert lookup_es_key(record, 'objects[1]foo[0]baz') is None
def test_add_raw_postfix(ea):
expected = 'foo.raw'
assert add_raw_postfix('foo', False) == expected
assert add_raw_postfix('foo.raw', False) == expected
expected = 'foo.keyword'
assert add_raw_postfix('foo', True) == expected
assert add_raw_postfix('foo.keyword', True) == expected
def test_replace_dots_in_field_names(ea):
actual = {
'a': {
'b.c': 'd',
'e': {
'f': {
'g.h': 0
}
}
},
'i.j.k': 1,
'l': {
'm': 2
}
}
expected = {
'a': {
'b_c': 'd',
'e': {
'f': {
'g_h': 0
}
}
},
'i_j_k': 1,
'l': {
'm': 2
}
}
assert replace_dots_in_field_names(actual) == expected
assert replace_dots_in_field_names({'a': 0, 1: 2}) == {'a': 0, 1: 2}
def test_resolve_string(ea):
match = {
'name': 'mySystem',
'temperature': 45,
'humidity': 80.56,
'sensors': ['outsideSensor', 'insideSensor'],
'foo': {'bar': 'baz'}
}
expected_outputs = [
"mySystem is online <MISSING VALUE>",
"Sensors ['outsideSensor', 'insideSensor'] in the <MISSING VALUE> have temp 45 and 80.56 humidity",
"Actuator <MISSING VALUE> in the <MISSING VALUE> has temp <MISSING VALUE>",
'Something baz']
old_style_strings = [
"%(name)s is online %(noKey)s",
"Sensors %(sensors)s in the %(noPlace)s have temp %(temperature)s and %(humidity)s humidity",
"Actuator %(noKey)s in the %(noPlace)s has temp %(noKey)s",
'Something %(foo.bar)s']
assert resolve_string(old_style_strings[0], match) == expected_outputs[0]
assert resolve_string(old_style_strings[1], match) == expected_outputs[1]
assert resolve_string(old_style_strings[2], match) == expected_outputs[2]
assert resolve_string(old_style_strings[3], match) == expected_outputs[3]
new_style_strings = [
"{name} is online {noKey}",
"Sensors {sensors} in the {noPlace} have temp {temperature} and {humidity} humidity",
"Actuator {noKey} in the {noPlace} has temp {noKey}",
"Something {foo[bar]}"]
assert resolve_string(new_style_strings[0], match) == expected_outputs[0]
assert resolve_string(new_style_strings[1], match) == expected_outputs[1]
assert resolve_string(new_style_strings[2], match) == expected_outputs[2]
assert resolve_string(new_style_strings[3], match) == expected_outputs[3]
def test_format_index():
pattern = 'logstash-%Y.%m.%d'
pattern2 = 'logstash-%Y.%W'
date = dt('2018-06-25T12:00:00Z')
date2 = dt('2018-06-26T12:00:00Z')
assert sorted(format_index(pattern, date, date).split(',')) == ['logstash-2018.06.25']
assert sorted(format_index(pattern, date, date2).split(',')) == ['logstash-2018.06.25', 'logstash-2018.06.26']
assert sorted(format_index(pattern, date, date2, True).split(',')) == ['logstash-2018.06.24',
'logstash-2018.06.25',
'logstash-2018.06.26']
assert sorted(format_index(pattern2, date, date2, True).split(',')) == ['logstash-2018.25', 'logstash-2018.26']
def test_should_scrolling_continue():
rule_no_max_scrolling = {'max_scrolling_count': 0, 'scrolling_cycle': 1}
rule_reached_max_scrolling = {'max_scrolling_count': 2, 'scrolling_cycle': 2}
rule_before_first_run = {'max_scrolling_count': 0, 'scrolling_cycle': 0}
rule_before_max_scrolling = {'max_scrolling_count': 2, 'scrolling_cycle': 1}
rule_over_max_scrolling = {'max_scrolling_count': 2, 'scrolling_cycle': 3}
assert should_scrolling_continue(rule_no_max_scrolling) is True
assert should_scrolling_continue(rule_reached_max_scrolling) is False
assert should_scrolling_continue(rule_before_first_run) is True
assert should_scrolling_continue(rule_before_max_scrolling) is True
assert should_scrolling_continue(rule_over_max_scrolling) is False
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