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https://github.com/hanzoai/telemetry.git
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Dmitry AnoshinandGitHub
6e3b831fef
Alternative to https://github.com/open-telemetry/opentelemetry-collector/pull/13176 that doesn't involve custom encoder but exposes new public module `pdata/xpdata/request` The actual change set is pretty small. Most of the code is generated protobuf
48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package request // import "go.opentelemetry.io/collector/pdata/xpdata/request"
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import (
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"context"
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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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"go.opentelemetry.io/otel/trace"
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"go.opentelemetry.io/collector/pdata/pmetric"
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"go.opentelemetry.io/collector/pdata/testdata"
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)
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func TestMarshalUnmarshalMetricsRequest(t *testing.T) {
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metrics := testdata.GenerateMetrics(3)
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// unmarshal metrics request with a context
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spanCtx := fakeSpanContext(t)
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buf, err := MarshalMetrics(trace.ContextWithSpanContext(context.Background(), spanCtx), metrics)
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require.NoError(t, err)
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gotCtx, gotMetrics, err := UnmarshalMetrics(buf)
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require.NoError(t, err)
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assert.Equal(t, spanCtx, trace.SpanContextFromContext(gotCtx))
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assert.Equal(t, metrics, gotMetrics)
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// unmarshal metrics request with empty context
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buf, err = MarshalMetrics(context.Background(), metrics)
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require.NoError(t, err)
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gotCtx, gotMetrics, err = UnmarshalMetrics(buf)
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require.NoError(t, err)
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assert.Equal(t, context.Background(), gotCtx)
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assert.Equal(t, metrics, gotMetrics)
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// unmarshal corrupted data
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_, _, err = UnmarshalMetrics(buf[:len(buf)-1])
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require.ErrorContains(t, err, "failed to unmarshal metrics request")
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// unmarshal invalid format (bare metrics)
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buf, err = (&pmetric.ProtoMarshaler{}).MarshalMetrics(metrics)
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require.NoError(t, err)
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_, _, err = UnmarshalMetrics(buf)
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require.ErrorIs(t, err, ErrInvalidFormat)
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}
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