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https://github.com/open-telemetry/opentelemetry-go.git
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50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package tracetest
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import (
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"context"
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// TestNoop tests only that the no-op does not crash in different scenarios.
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func TestNoop(t *testing.T) {
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nsb := NewNoopExporter()
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require.NoError(t, nsb.ExportSpans(context.Background(), nil))
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require.NoError(t, nsb.ExportSpans(context.Background(), make(SpanStubs, 10).Snapshots()))
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require.NoError(t, nsb.ExportSpans(context.Background(), make(SpanStubs, 0, 10).Snapshots()))
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}
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func TestNewInMemoryExporter(t *testing.T) {
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imsb := NewInMemoryExporter()
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require.NoError(t, imsb.ExportSpans(context.Background(), nil))
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assert.Len(t, imsb.GetSpans(), 0)
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input := make(SpanStubs, 10)
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for i := 0; i < 10; i++ {
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input[i] = SpanStub{Name: fmt.Sprintf("span %d", i)}
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}
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require.NoError(t, imsb.ExportSpans(context.Background(), input.Snapshots()))
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sds := imsb.GetSpans()
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assert.Len(t, sds, 10)
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for i, sd := range sds {
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assert.Equal(t, input[i], sd)
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}
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imsb.Reset()
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// Ensure that operations on the internal storage does not change the previously returned value.
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assert.Len(t, sds, 10)
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assert.Len(t, imsb.GetSpans(), 0)
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require.NoError(t, imsb.ExportSpans(context.Background(), input.Snapshots()[0:1]))
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sds = imsb.GetSpans()
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assert.Len(t, sds, 1)
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assert.Equal(t, input[0], sds[0])
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}
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