22 lines
652 B
Go
22 lines
652 B
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package extensions // import "go.opentelemetry.io/collector/service/extensions"
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import (
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"errors"
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"testing"
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"github.com/stretchr/testify/assert"
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"gonum.org/v1/gonum/graph"
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"gonum.org/v1/gonum/graph/topo"
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)
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func TestCycleErr(t *testing.T) {
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err := errors.New("foo")
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assert.Equal(t, err, cycleErr(err, nil), "cycleErr should return the error unchanged when it's unrecognized")
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var topoErr topo.Unorderable = [][]graph.Node{{}}
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assert.Equal(t, topoErr, cycleErr(topoErr, nil), "cycleErr should return topo.Unorderable error unchanged when no cycles are found")
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}
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