forked from jaegertracing/jaeger-client-go
/
context_test.go
116 lines (107 loc) · 4.21 KB
/
context_test.go
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// Copyright (c) 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package jaeger
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestContextFromString(t *testing.T) {
var err error
_, err = ContextFromString("")
assert.Error(t, err)
_, err = ContextFromString("abcd")
assert.Error(t, err)
_, err = ContextFromString("x:1:1:1")
assert.Error(t, err)
_, err = ContextFromString("1:x:1:1")
assert.Error(t, err)
_, err = ContextFromString("1:1:x:1")
assert.Error(t, err)
_, err = ContextFromString("1:1:1:x")
assert.Error(t, err)
_, err = ContextFromString("1:1:1:x")
assert.Error(t, err)
_, err = ContextFromString("01234567890123456789012345678901234:1:1:1")
assert.Error(t, err)
_, err = ContextFromString("01234567890123456789012345678901:1:1:1")
assert.NoError(t, err)
_, err = ContextFromString("01234_67890123456789012345678901:1:1:1")
assert.Error(t, err)
_, err = ContextFromString("0123456789012345678901_345678901:1:1:1")
assert.Error(t, err)
_, err = ContextFromString("1:0123456789012345:1:1")
assert.NoError(t, err)
_, err = ContextFromString("1:01234567890123456:1:1")
assert.Error(t, err)
ctx, err := ContextFromString("10000000000000001:1:1:1")
assert.NoError(t, err)
assert.EqualValues(t, TraceID{High: 1, Low: 1}, ctx.traceID)
ctx, err = ContextFromString("1:1:1:1")
assert.NoError(t, err)
assert.EqualValues(t, TraceID{Low: 1}, ctx.traceID)
assert.EqualValues(t, 1, ctx.spanID)
assert.EqualValues(t, 1, ctx.parentID)
assert.EqualValues(t, 1, ctx.flags)
ctx = NewSpanContext(TraceID{Low: 1}, 1, 1, true, nil)
assert.EqualValues(t, TraceID{Low: 1}, ctx.traceID)
assert.EqualValues(t, 1, ctx.spanID)
assert.EqualValues(t, 1, ctx.parentID)
assert.EqualValues(t, 1, ctx.flags)
assert.Equal(t, "ff", SpanID(255).String())
assert.Equal(t, "ff", TraceID{Low: 255}.String())
assert.Equal(t, "ff00000000000000ff", TraceID{High: 255, Low: 255}.String())
ctx = NewSpanContext(TraceID{High: 255, Low: 255}, SpanID(1), SpanID(1), false, nil)
assert.Equal(t, "ff00000000000000ff:1:1:0", ctx.String())
}
func TestSpanContext_WithBaggageItem(t *testing.T) {
var ctx SpanContext
ctx = ctx.WithBaggageItem("some-KEY", "Some-Value")
assert.Equal(t, map[string]string{"some-KEY": "Some-Value"}, ctx.baggage)
ctx = ctx.WithBaggageItem("some-KEY", "Some-Other-Value")
assert.Equal(t, map[string]string{"some-KEY": "Some-Other-Value"}, ctx.baggage)
}
func TestSpanContext_SampledDebug(t *testing.T) {
ctx, err := ContextFromString("1:1:1:1")
require.NoError(t, err)
assert.True(t, ctx.IsSampled())
assert.False(t, ctx.IsDebug())
ctx, err = ContextFromString("1:1:1:3")
require.NoError(t, err)
assert.True(t, ctx.IsSampled())
assert.True(t, ctx.IsDebug())
ctx, err = ContextFromString("1:1:1:0")
require.NoError(t, err)
assert.False(t, ctx.IsSampled())
assert.False(t, ctx.IsDebug())
}
func TestSpanContext_CopyFrom(t *testing.T) {
ctx, err := ContextFromString("1:1:1:1")
require.NoError(t, err)
ctx2 := SpanContext{}
ctx2.CopyFrom(&ctx)
assert.Equal(t, ctx, ctx2)
// with baggage
ctx = ctx.WithBaggageItem("x", "y")
ctx2 = SpanContext{}
ctx2.CopyFrom(&ctx)
assert.Equal(t, ctx, ctx2)
assert.Equal(t, "y", ctx2.baggage["x"])
}