prometheus/tsdb/metadata_test.go

64 lines
1.7 KiB
Go

package tsdb
import (
"context"
"testing"
"github.com/stretchr/testify/require"
"github.com/prometheus/prometheus/model/labels"
"github.com/prometheus/prometheus/tsdb/chunks"
)
func TestDBAppenderSeriesWithMetadata(t *testing.T) {
db := openTestDB(t, nil, nil)
defer func() {
require.NoError(t, db.Close())
}()
ctx := context.Background()
app1 := db.Appender(ctx)
// Add a sample with metadata.
_, err := app1.Append(0, labels.FromStrings(
"__name__", "http_requests_total",
"job", "ingester",
"metadata.foo.service", "ingester",
"metadata.foo.request_type", "outbound",
"metadata.node.ip", "192.168.1.1",
), 0, 0)
require.NoError(t, err)
// Add a sample with the same metadata but different value.
_, err = app1.Append(0, labels.FromStrings(
"__name__", "http_requests_total",
"job", "ingester",
"metadata.foo.service", "ingester",
"metadata.foo.request_type", "outbound",
"metadata.node.ip", "192.168.1.2",
), 1, 1)
require.NoError(t, err)
err = app1.Commit()
require.NoError(t, err)
q, err := db.Querier(0, 200)
require.NoError(t, err)
res := query(t, q, labels.MustNewMatcher(labels.MatchEqual, "__name__", "http_requests_total"))
// TODO(jesusvazquez) There should be a single series http_requests_total{job="ingester"} with two samples since the metadata does not form part of the series.
require.Equal(t, map[string][]chunks.Sample{
labels.FromStrings(
"__name__", "http_requests_total",
"job", "ingester",
).String(): {
sample{t: 0, f: 0},
sample{t: 1, f: 1},
},
}, res)
// TODO(jesusvazquez) Add a test to verify that the metadata is stored in the metadata store.
// TODO(jesusvazquez) Add a test to make sure metadata changes between timestamps.
}