mirror of
https://github.com/prometheus/prometheus.git
synced 2024-09-20 07:47:31 -07:00
113 lines
2.6 KiB
Go
113 lines
2.6 KiB
Go
// Copyright 2013 Prometheus Team
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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 metric
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import (
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"fmt"
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"github.com/prometheus/prometheus/model"
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"github.com/prometheus/prometheus/utility/test"
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"io"
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"io/ioutil"
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"os"
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"time"
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)
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var (
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testInstant = time.Time{}
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)
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func testAppendSample(p MetricPersistence, s model.Sample, t test.Tester) {
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err := p.AppendSample(s)
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if err != nil {
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t.Fatal(err)
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}
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}
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type purger struct {
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path string
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}
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func (p purger) Close() error {
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return os.RemoveAll(p.path)
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}
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func buildLevelDBTestPersistencesMaker(name string, t test.Tester) func() (MetricPersistence, io.Closer) {
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return func() (MetricPersistence, io.Closer) {
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temporaryDirectory, err := ioutil.TempDir("", "get_value_at_time")
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if err != nil {
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t.Errorf("Could not create test directory: %q\n", err)
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}
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p, err := NewLevelDBMetricPersistence(temporaryDirectory)
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if err != nil {
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t.Errorf("Could not start up LevelDB: %q\n", err)
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}
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purger := purger{
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path: temporaryDirectory,
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}
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return p, purger
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}
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}
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func buildLevelDBTestPersistence(name string, f func(p MetricPersistence, t test.Tester)) func(t test.Tester) {
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return func(t test.Tester) {
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temporaryDirectory, err := ioutil.TempDir("", fmt.Sprintf("test_leveldb_%s", name))
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if err != nil {
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t.Errorf("Could not create test directory: %q\n", err)
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return
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}
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defer func() {
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err := os.RemoveAll(temporaryDirectory)
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if err != nil {
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t.Errorf("Could not remove temporary directory: %q\n", err)
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}
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}()
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p, err := NewLevelDBMetricPersistence(temporaryDirectory)
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if err != nil {
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t.Errorf("Could not create LevelDB Metric Persistence: %q\n", err)
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}
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defer func() {
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err := p.Close()
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if err != nil {
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t.Errorf("Anomaly while closing database: %q\n", err)
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}
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}()
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f(p, t)
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}
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}
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func buildMemoryTestPersistence(f func(p MetricPersistence, t test.Tester)) func(t test.Tester) {
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return func(t test.Tester) {
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p := NewMemorySeriesStorage()
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defer func() {
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err := p.Close()
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if err != nil {
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t.Errorf("Anomaly while closing database: %q\n", err)
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}
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}()
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f(p, t)
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}
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}
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