mirror of
https://github.com/prometheus/prometheus.git
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47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
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// Copyright 2016 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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// Note: this file has tests for code in both delta.go and doubledelta.go --
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// it may make sense to split those out later, but given that the tests are
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// near-identical and share a helper, this feels simpler for now.
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package chunk
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import (
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"testing"
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"github.com/prometheus/common/model"
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)
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func TestLen(t *testing.T) {
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chunks := []Chunk{}
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for _, encoding := range []Encoding{Delta, DoubleDelta, Varbit} {
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c, err := NewForEncoding(encoding)
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if err != nil {
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t.Fatal(err)
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}
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chunks = append(chunks, c)
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}
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for _, c := range chunks {
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for i := 0; i <= 10; i++ {
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if c.Len() != i {
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t.Errorf("chunk type %s should have %d samples, had %d", c.Encoding(), i, c.Len())
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}
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cs, _ := c.Add(model.SamplePair{model.Time(i), model.SampleValue(i)})
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c = cs[0]
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}
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}
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}
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