/
span_test.go
245 lines (235 loc) · 5.68 KB
/
span_test.go
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package trace
import (
"bytes"
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
)
func TestSetStatus(t *testing.T) {
tests := []struct {
name string
span recordingSpan
code codes.Code
description string
expected Status
}{
{
"Error and description should overwrite Unset",
recordingSpan{},
codes.Error,
"description",
Status{Code: codes.Error, Description: "description"},
},
{
"Ok should overwrite Unset and ignore description",
recordingSpan{},
codes.Ok,
"description",
Status{Code: codes.Ok},
},
{
"Error and description should return error and overwrite description",
recordingSpan{status: Status{Code: codes.Error, Description: "d1"}},
codes.Error,
"d2",
Status{Code: codes.Error, Description: "d2"},
},
{
"Ok should overwrite error and remove description",
recordingSpan{status: Status{Code: codes.Error, Description: "d1"}},
codes.Ok,
"d2",
Status{Code: codes.Ok},
},
{
"Error and description should be ignored when already Ok",
recordingSpan{status: Status{Code: codes.Ok}},
codes.Error,
"d2",
Status{Code: codes.Ok},
},
{
"Ok should be noop when already Ok",
recordingSpan{status: Status{Code: codes.Ok}},
codes.Ok,
"d2",
Status{Code: codes.Ok},
},
{
"Unset should be noop when already Ok",
recordingSpan{status: Status{Code: codes.Ok}},
codes.Unset,
"d2",
Status{Code: codes.Ok},
},
{
"Unset should be noop when already Error",
recordingSpan{status: Status{Code: codes.Error, Description: "d1"}},
codes.Unset,
"d2",
Status{Code: codes.Error, Description: "d1"},
},
}
for i := range tests {
tc := &tests[i]
t.Run(tc.name, func(t *testing.T) {
tc.span.SetStatus(tc.code, tc.description)
assert.Equal(t, tc.expected, tc.span.status)
})
}
}
func TestTruncateAttr(t *testing.T) {
const key = "key"
strAttr := attribute.String(key, "value")
strSliceAttr := attribute.StringSlice(key, []string{"value-0", "value-1"})
tests := []struct {
limit int
attr, want attribute.KeyValue
}{
{
limit: -1,
attr: strAttr,
want: strAttr,
},
{
limit: -1,
attr: strSliceAttr,
want: strSliceAttr,
},
{
limit: 0,
attr: attribute.Bool(key, true),
want: attribute.Bool(key, true),
},
{
limit: 0,
attr: attribute.BoolSlice(key, []bool{true, false}),
want: attribute.BoolSlice(key, []bool{true, false}),
},
{
limit: 0,
attr: attribute.Int(key, 42),
want: attribute.Int(key, 42),
},
{
limit: 0,
attr: attribute.IntSlice(key, []int{42, -1}),
want: attribute.IntSlice(key, []int{42, -1}),
},
{
limit: 0,
attr: attribute.Int64(key, 42),
want: attribute.Int64(key, 42),
},
{
limit: 0,
attr: attribute.Int64Slice(key, []int64{42, -1}),
want: attribute.Int64Slice(key, []int64{42, -1}),
},
{
limit: 0,
attr: attribute.Float64(key, 42),
want: attribute.Float64(key, 42),
},
{
limit: 0,
attr: attribute.Float64Slice(key, []float64{42, -1}),
want: attribute.Float64Slice(key, []float64{42, -1}),
},
{
limit: 0,
attr: strAttr,
want: attribute.String(key, ""),
},
{
limit: 0,
attr: strSliceAttr,
want: attribute.StringSlice(key, []string{"", ""}),
},
{
limit: 0,
attr: attribute.Stringer(key, bytes.NewBufferString("value")),
want: attribute.String(key, ""),
},
{
limit: 1,
attr: strAttr,
want: attribute.String(key, "v"),
},
{
limit: 1,
attr: strSliceAttr,
want: attribute.StringSlice(key, []string{"v", "v"}),
},
{
limit: 5,
attr: strAttr,
want: strAttr,
},
{
limit: 7,
attr: strSliceAttr,
want: strSliceAttr,
},
{
limit: 6,
attr: attribute.StringSlice(key, []string{"value", "value-1"}),
want: attribute.StringSlice(key, []string{"value", "value-"}),
},
{
limit: 128,
attr: strAttr,
want: strAttr,
},
{
limit: 128,
attr: strSliceAttr,
want: strSliceAttr,
},
{
// This tests the ordinary safeTruncate().
limit: 10,
attr: attribute.String(key, "€€€€"), // 3 bytes each
want: attribute.String(key, "€€€"),
},
{
// This tests truncation with an invalid UTF-8 input.
//
// Note that after removing the invalid rune,
// the string is over length and still has to
// be truncated on a code point boundary.
limit: 10,
attr: attribute.String(key, "€"[0:2]+"hello€€"), // corrupted first rune, then over limit
want: attribute.String(key, "hello€"),
},
{
// This tests the fallback to invalidTruncate()
// where after validation the string does not require
// truncation.
limit: 6,
attr: attribute.String(key, "€"[0:2]+"hello"), // corrupted first rune, then not over limit
want: attribute.String(key, "hello"),
},
}
for _, test := range tests {
name := fmt.Sprintf("%s->%s(limit:%d)", test.attr.Key, test.attr.Value.Emit(), test.limit)
t.Run(name, func(t *testing.T) {
assert.Equal(t, test.want, truncateAttr(test.limit, test.attr))
})
}
}