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# type: ignore[no-redef]
# pylint: disable=E0611,W0613,E0102
import copy
from behave import given, then, when
from prettytable import PrettyTable
from tests_dashboards import PromqlTest
from tests_dashboards.util import get_dashboards_data, resolve_time_and_unit
class GlobalContext:
def __init__(self):
self.tested_queries_count = 0
self.promql_expr_test = None
self.data = get_dashboards_data()
self.query_map = self.data['queries']
def reset_promql_test(self):
self.promql_expr_test = PromqlTest()
self.promql_expr_test.variables = copy.copy(self.data['variables'])
def print_query_stats(self):
total = len(self.query_map)
table = PrettyTable()
table.field_names = ['Name', 'Queries', 'Tested', 'Cover']
def percent(tested, total):
return str(round((tested / total) * 100, 2)) + '%'
def file_name(path):
return path.split('/')[-1]
total = 0
tested = 0
for path, stat in self.data['stats'].items():
assert stat['total']
table.add_row([file_name(path), stat['total'], stat['tested'],
percent(stat['tested'], stat['total'])])
total += stat['total']
tested += stat['tested']
assert total
table.add_row(['Total', total, tested, percent(tested, total)])
print(table)
global_context = GlobalContext()
# Behave function overloading
# ===========================
def before_scenario(context, scenario):
global_context.reset_promql_test()
def after_scenario(context, scenario):
assert global_context.promql_expr_test.run_promtool()
def after_all(context):
global_context.print_query_stats()
@given("the following series")
def step_impl(context):
for row in context.table:
metric = row['metrics']
value = row['values']
global_context.promql_expr_test.add_series(metric, value)
@when('evaluation interval is `{interval}`')
def step_impl(context, interval):
interval_without_unit, unit = resolve_time_and_unit(interval)
if interval_without_unit is None:
raise ValueError(f'Invalid interval time: {interval_without_unit}. ' +
'A valid time looks like "1m" where you have a number plus a unit')
global_context.promql_expr_test.set_evaluation_interval(interval_without_unit, unit)
@when('interval is `{interval}`')
def step_impl(context, interval):
interval_without_unit, unit = resolve_time_and_unit(interval)
if interval_without_unit is None:
raise ValueError(f'Invalid interval time: {interval_without_unit}. ' +
'A valid time looks like "1m" where you have a number plus a unit')
global_context.promql_expr_test.set_interval(interval_without_unit, unit)
@when('evaluation time is `{eval_time}`')
def step_impl(context, eval_time):
eval_time_without_unit, unit = resolve_time_and_unit(eval_time)
if eval_time_without_unit is None:
raise ValueError(f'Invalid evalution time: {eval_time}. ' +
'A valid time looks like "1m" where you have a number plus a unit')
global_context.promql_expr_test.set_eval_time(eval_time_without_unit, unit)
@when('variable `{variable}` is `{value}`')
def step_impl(context, variable, value):
global_context.promql_expr_test.set_variable(variable, value)
@then('Grafana panel `{panel_name}` with legend `{legend}` shows')
def step_impl(context, panel_name, legend):
"""
This step can have an empty legend. As 'behave' doesn't provide a way
to say it's empty we use EMPTY to mark as empty.
"""
if legend == "EMPTY":
legend = ''
query_id = panel_name + '-' + legend
if query_id not in global_context.query_map:
raise KeyError((f'Query with legend {legend} in panel "{panel_name}"'
'couldn\'t be found'))
expr = global_context.query_map[query_id]['query']
global_context.promql_expr_test.set_expression(expr)
for row in context.table:
metric = row['metrics']
value = row['values']
global_context.promql_expr_test.add_exp_samples(metric, float(value))
path = global_context.query_map[query_id]['path']
global_context.data['stats'][path]['tested'] += 1
@then('query `{query}` produces')
def step_impl(context, query):
global_context.promql_expr_test.set_expression(query)
for row in context.table:
metric = row['metrics']
value = row['values']
global_context.promql_expr_test.add_exp_samples(metric, float(value))
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