prometheus/storage/errors_test.go
Oleg Zaytsev 0833d2a230
Fix appendable: check whether last val was a histogram (#14613)
* Fix appendable: check whether last val was a histogram

When appending a float, we were checking whether lastValue was equal to
current value, but we didn't check whether last value was a float value.

Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
2024-08-07 15:02:59 +02:00

39 lines
1.3 KiB
Go

// Copyright 2014 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 storage
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
)
func TestErrDuplicateSampleForTimestamp(t *testing.T) {
// All errDuplicateSampleForTimestamp are ErrDuplicateSampleForTimestamp
require.ErrorIs(t, ErrDuplicateSampleForTimestamp, errDuplicateSampleForTimestamp{})
// Same type only is if it has same properties.
err := NewDuplicateFloatErr(1_000, 10, 20)
sameErr := NewDuplicateFloatErr(1_000, 10, 20)
differentErr := NewDuplicateFloatErr(1_001, 30, 40)
require.ErrorIs(t, err, sameErr)
require.NotErrorIs(t, err, differentErr)
// Also works when err is wrapped.
require.ErrorIs(t, fmt.Errorf("failed: %w", err), sameErr)
require.NotErrorIs(t, fmt.Errorf("failed: %w", err), differentErr)
}