111 lines
3.7 KiB
Go
111 lines
3.7 KiB
Go
// Copyright (c) 2017 Uber Technologies, Inc.
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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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// 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 jaeger
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import (
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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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func TestContextFromString(t *testing.T) {
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var err error
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_, err = ContextFromString("")
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assert.Error(t, err)
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_, err = ContextFromString("abcd")
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assert.Error(t, err)
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_, err = ContextFromString("x:1:1:1")
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assert.Error(t, err)
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_, err = ContextFromString("1:x:1:1")
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assert.Error(t, err)
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_, err = ContextFromString("1:1:x:1")
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assert.Error(t, err)
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_, err = ContextFromString("1:1:1:x")
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assert.Error(t, err)
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_, err = ContextFromString("1:1:1:x")
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assert.Error(t, err)
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_, err = ContextFromString("01234567890123456789012345678901234:1:1:1")
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assert.Error(t, err)
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_, err = ContextFromString("01234567890123456789012345678901:1:1:1")
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assert.NoError(t, err)
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_, err = ContextFromString("01234_67890123456789012345678901:1:1:1")
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assert.Error(t, err)
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_, err = ContextFromString("0123456789012345678901_345678901:1:1:1")
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assert.Error(t, err)
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_, err = ContextFromString("1:0123456789012345:1:1")
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assert.NoError(t, err)
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_, err = ContextFromString("1:01234567890123456:1:1")
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assert.Error(t, err)
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ctx, err := ContextFromString("10000000000000001:1:1:1")
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assert.NoError(t, err)
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assert.EqualValues(t, TraceID{High: 1, Low: 1}, ctx.traceID)
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ctx, err = ContextFromString("1:1:1:1")
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assert.NoError(t, err)
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assert.EqualValues(t, TraceID{Low: 1}, ctx.traceID)
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assert.EqualValues(t, 1, ctx.spanID)
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assert.EqualValues(t, 1, ctx.parentID)
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assert.EqualValues(t, 1, ctx.flags)
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ctx = NewSpanContext(TraceID{Low: 1}, 1, 1, true, nil)
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assert.EqualValues(t, TraceID{Low: 1}, ctx.traceID)
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assert.EqualValues(t, 1, ctx.spanID)
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assert.EqualValues(t, 1, ctx.parentID)
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assert.EqualValues(t, 1, ctx.flags)
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assert.Equal(t, "ff", SpanID(255).String())
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assert.Equal(t, "ff", TraceID{Low: 255}.String())
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assert.Equal(t, "ff00000000000000ff", TraceID{High: 255, Low: 255}.String())
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ctx = NewSpanContext(TraceID{High: 255, Low: 255}, SpanID(1), SpanID(1), false, nil)
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assert.Equal(t, "ff00000000000000ff:1:1:0", ctx.String())
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}
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func TestSpanContext_WithBaggageItem(t *testing.T) {
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var ctx SpanContext
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ctx = ctx.WithBaggageItem("some-KEY", "Some-Value")
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assert.Equal(t, map[string]string{"some-KEY": "Some-Value"}, ctx.baggage)
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ctx = ctx.WithBaggageItem("some-KEY", "Some-Other-Value")
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assert.Equal(t, map[string]string{"some-KEY": "Some-Other-Value"}, ctx.baggage)
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}
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func TestSpanContext_SampledDebug(t *testing.T) {
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ctx, err := ContextFromString("1:1:1:1")
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require.NoError(t, err)
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assert.True(t, ctx.IsSampled())
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assert.False(t, ctx.IsDebug())
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ctx, err = ContextFromString("1:1:1:3")
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require.NoError(t, err)
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assert.True(t, ctx.IsSampled())
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assert.True(t, ctx.IsDebug())
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ctx, err = ContextFromString("1:1:1:0")
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require.NoError(t, err)
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assert.False(t, ctx.IsSampled())
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assert.False(t, ctx.IsDebug())
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}
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func TestSpanContext_CopyFrom(t *testing.T) {
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ctx, err := ContextFromString("1:1:1:1")
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require.NoError(t, err)
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ctx2 := SpanContext{}
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ctx2.CopyFrom(&ctx)
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assert.Equal(t, ctx, ctx2)
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// with baggage
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ctx = ctx.WithBaggageItem("x", "y")
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ctx2 = SpanContext{}
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ctx2.CopyFrom(&ctx)
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assert.Equal(t, ctx, ctx2)
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assert.Equal(t, "y", ctx2.baggage["x"])
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}
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