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// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package internal
import (
"encoding/json"
"strings"
"testing"
"github.com/newrelic/go-agent/v3/internal/crossagent"
)
func TestCrossAgentSegmentTerms(t *testing.T) {
var tcs []struct {
Testname string `json:"testname"`
Rules segmentRules `json:"transaction_segment_terms"`
Tests []struct {
Input string `json:"input"`
Expected string `json:"expected"`
} `json:"tests"`
}
err := crossagent.ReadJSON("transaction_segment_terms.json", &tcs)
if err != nil {
t.Fatal(err)
}
for _, tc := range tcs {
for _, test := range tc.Tests {
out := tc.Rules.apply(test.Input)
if out != test.Expected {
t.Fatal(tc.Testname, test.Input, out, test.Expected)
}
}
}
}
func TestSegmentTerms(t *testing.T) {
js := `[
{
"prefix":"WebTransaction\/Uri",
"terms":[
"two",
"Users",
"willhf",
"dev",
"php",
"one",
"alpha",
"zap"
]
}
]`
var rules segmentRules
if err := json.Unmarshal([]byte(js), &rules); nil != err {
t.Fatal(err)
}
out := rules.apply("WebTransaction/Uri/pen/two/pencil/dev/paper")
if out != "WebTransaction/Uri/*/two/*/dev/*" {
t.Fatal(out)
}
}
func TestEmptySegmentTerms(t *testing.T) {
var rules segmentRules
input := "my/name"
out := rules.apply(input)
if out != input {
t.Error(input, out)
}
}
func BenchmarkSegmentTerms(b *testing.B) {
js := `[
{
"prefix":"WebTransaction\/Uri",
"terms":[
"two",
"Users",
"willhf",
"dev",
"php",
"one",
"alpha",
"zap"
]
}
]`
var rules segmentRules
if err := json.Unmarshal([]byte(js), &rules); nil != err {
b.Fatal(err)
}
b.ResetTimer()
b.ReportAllocs()
input := "WebTransaction/Uri/pen/two/pencil/dev/paper"
expected := "WebTransaction/Uri/*/two/*/dev/*"
for i := 0; i < b.N; i++ {
out := rules.apply(input)
if out != expected {
b.Fatal(out, expected)
}
}
}
func TestCollapsePlaceholders(t *testing.T) {
testcases := []struct {
input string
expect string
}{
{input: "", expect: ""},
{input: "/", expect: "/"},
{input: "*", expect: "*"},
{input: "*/*", expect: "*"},
{input: "a/b/c", expect: "a/b/c"},
{input: "*/*/*", expect: "*"},
{input: "a/*/*/*/b", expect: "a/*/b"},
{input: "a/b/*/*/*/", expect: "a/b/*/"},
{input: "a/b/*/*/*", expect: "a/b/*"},
{input: "*/*/a/b/*/*/*", expect: "*/a/b/*"},
{input: "*/*/a/b/*/c/*/*/d/e/*/*/*", expect: "*/a/b/*/c/*/d/e/*"},
{input: "a/*/b", expect: "a/*/b"},
}
for _, tc := range testcases {
segments := strings.Split(tc.input, "/")
segments = collapsePlaceholders(segments)
out := strings.Join(segments, "/")
if out != tc.expect {
t.Error(tc.input, tc.expect, out)
}
}
}
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