75 lines
2.6 KiB
Go
75 lines
2.6 KiB
Go
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// Copyright (c) Bartłomiej Płotka @bwplotka
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// Licensed under the Apache License 2.0.
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// Copyright 2024 Google LLC
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//
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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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// https://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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// Copyright 2024 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 writev2
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestSymbolsTable(t *testing.T) {
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s := NewSymbolTable()
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require.Equal(t, []string{""}, s.Symbols(), "required empty reference does not exist")
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require.Equal(t, uint32(0), s.Symbolize(""))
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require.Equal(t, []string{""}, s.Symbols())
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require.Equal(t, uint32(1), s.Symbolize("abc"))
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require.Equal(t, []string{"", "abc"}, s.Symbols())
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require.Equal(t, uint32(2), s.Symbolize("__name__"))
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require.Equal(t, []string{"", "abc", "__name__"}, s.Symbols())
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require.Equal(t, uint32(3), s.Symbolize("foo"))
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require.Equal(t, []string{"", "abc", "__name__", "foo"}, s.Symbols())
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s.Reset()
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require.Equal(t, []string{""}, s.Symbols(), "required empty reference does not exist")
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require.Equal(t, uint32(0), s.Symbolize(""))
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require.Equal(t, uint32(1), s.Symbolize("__name__"))
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require.Equal(t, []string{"", "__name__"}, s.Symbols())
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require.Equal(t, uint32(2), s.Symbolize("abc"))
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require.Equal(t, []string{"", "__name__", "abc"}, s.Symbols())
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ls := []string{"__name__", "qwer", "zxcv", "1234"}
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encoded := s.SymbolizeLabels(ls, nil)
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require.Equal(t, []uint32{1, 3, 4, 5}, encoded)
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decoded := DesymbolizeLabels(encoded, s.Symbols(), nil)
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require.Equal(t, ls, decoded)
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// Different buf.
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ls = []string{"__name__", "qwer", "zxcv2222", "1234"}
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encoded = s.SymbolizeLabels(ls, []uint32{1, 3, 4, 5})
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require.Equal(t, []uint32{1, 3, 6, 5}, encoded)
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}
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