mirror of https://github.com/prometheus/prometheus
83 lines
2.0 KiB
Go
83 lines
2.0 KiB
Go
|
// Copyright 2024 The Prometheus Authors
|
||
|
|
// Licensed 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
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package promql
|
||
|
|
|
||
|
|
import (
|
||
|
|
"errors"
|
||
|
|
"testing"
|
||
|
|
|
||
|
|
"github.com/go-kit/log"
|
||
|
|
"github.com/stretchr/testify/require"
|
||
|
|
|
||
|
|
"github.com/prometheus/prometheus/promql/parser"
|
||
|
|
"github.com/prometheus/prometheus/util/annotations"
|
||
|
|
)
|
||
|
|
|
||
|
|
func TestRecoverEvaluatorRuntime(t *testing.T) {
|
||
|
|
var output []interface{}
|
||
|
|
logger := log.Logger(log.LoggerFunc(func(keyvals ...interface{}) error {
|
||
|
|
output = append(output, keyvals...)
|
||
|
|
return nil
|
||
|
|
}))
|
||
|
|
ev := &evaluator{logger: logger}
|
||
|
|
|
||
|
|
expr, _ := parser.ParseExpr("sum(up)")
|
||
|
|
|
||
|
|
var err error
|
||
|
|
|
||
|
|
defer func() {
|
||
|
|
require.EqualError(t, err, "unexpected error: runtime error: index out of range [123] with length 0")
|
||
|
|
require.Contains(t, output, "sum(up)")
|
||
|
|
}()
|
||
|
|
defer ev.recover(expr, nil, &err)
|
||
|
|
|
||
|
|
// Cause a runtime panic.
|
||
|
|
var a []int
|
||
|
|
a[123] = 1
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestRecoverEvaluatorError(t *testing.T) {
|
||
|
|
ev := &evaluator{logger: log.NewNopLogger()}
|
||
|
|
var err error
|
||
|
|
|
||
|
|
e := errors.New("custom error")
|
||
|
|
|
||
|
|
defer func() {
|
||
|
|
require.EqualError(t, err, e.Error())
|
||
|
|
}()
|
||
|
|
defer ev.recover(nil, nil, &err)
|
||
|
|
|
||
|
|
panic(e)
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestRecoverEvaluatorErrorWithWarnings(t *testing.T) {
|
||
|
|
ev := &evaluator{logger: log.NewNopLogger()}
|
||
|
|
var err error
|
||
|
|
var ws annotations.Annotations
|
||
|
|
|
||
|
|
warnings := annotations.New().Add(errors.New("custom warning"))
|
||
|
|
e := errWithWarnings{
|
||
|
|
err: errors.New("custom error"),
|
||
|
|
warnings: warnings,
|
||
|
|
}
|
||
|
|
|
||
|
|
defer func() {
|
||
|
|
require.EqualError(t, err, e.Error())
|
||
|
|
require.Equal(t, warnings, ws, "wrong warning message")
|
||
|
|
}()
|
||
|
|
defer ev.recover(nil, &ws, &err)
|
||
|
|
|
||
|
|
panic(e)
|
||
|
|
}
|