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81 lines
2.0 KiB
81 lines
2.0 KiB
// Copyright 2024 The Prometheus Authors |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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package promql |
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import ( |
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"bytes" |
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"errors" |
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"testing" |
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"github.com/stretchr/testify/require" |
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"github.com/prometheus/common/promslog" |
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"github.com/prometheus/prometheus/promql/parser" |
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"github.com/prometheus/prometheus/util/annotations" |
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) |
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func TestRecoverEvaluatorRuntime(t *testing.T) { |
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var output bytes.Buffer |
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logger := promslog.New(&promslog.Config{Writer: &output}) |
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ev := &evaluator{logger: logger} |
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expr, _ := parser.ParseExpr("sum(up)") |
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var err error |
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defer func() { |
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require.EqualError(t, err, "unexpected error: runtime error: index out of range [123] with length 0") |
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require.Contains(t, output.String(), "sum(up)") |
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}() |
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defer ev.recover(expr, nil, &err) |
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// Cause a runtime panic. |
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var a []int |
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a[123] = 1 |
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} |
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func TestRecoverEvaluatorError(t *testing.T) { |
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ev := &evaluator{logger: promslog.NewNopLogger()} |
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var err error |
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e := errors.New("custom error") |
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defer func() { |
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require.EqualError(t, err, e.Error()) |
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}() |
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defer ev.recover(nil, nil, &err) |
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panic(e) |
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} |
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func TestRecoverEvaluatorErrorWithWarnings(t *testing.T) { |
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ev := &evaluator{logger: promslog.NewNopLogger()} |
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var err error |
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var ws annotations.Annotations |
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warnings := annotations.New().Add(errors.New("custom warning")) |
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e := errWithWarnings{ |
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err: errors.New("custom error"), |
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warnings: warnings, |
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} |
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defer func() { |
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require.EqualError(t, err, e.Error()) |
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require.Equal(t, warnings, ws, "wrong warning message") |
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}() |
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defer ev.recover(nil, &ws, &err) |
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panic(e) |
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}
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