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// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package internal
import "testing"
func TestRulesCache(t *testing.T) {
testcases := []struct {
input string
isWeb bool
output string
}{
{input: "name1", isWeb: true, output: "WebTransaction/Go/name1"},
{input: "name1", isWeb: false, output: "OtherTransaction/Go/name1"},
{input: "name2", isWeb: true, output: "WebTransaction/Go/name2"},
{input: "name3", isWeb: true, output: "WebTransaction/Go/name3"},
{input: "zap/123/zip", isWeb: false, output: "OtherTransaction/Go/zap/*/zip"},
{input: "zap/45/zip", isWeb: false, output: "OtherTransaction/Go/zap/*/zip"},
}
cache := newRulesCache(len(testcases))
for _, tc := range testcases {
// Test that nothing is in the cache before population.
if out := cache.find(tc.input, tc.isWeb); out != "" {
t.Error(out, tc.input, tc.isWeb)
}
}
for _, tc := range testcases {
cache.set(tc.input, tc.isWeb, tc.output)
}
for _, tc := range testcases {
// Test that everything is now in the cache as expected.
if out := cache.find(tc.input, tc.isWeb); out != tc.output {
t.Error(out, tc.input, tc.isWeb, tc.output)
}
}
}
func TestRulesCacheLimit(t *testing.T) {
cache := newRulesCache(1)
cache.set("name1", true, "WebTransaction/Go/name1")
cache.set("name1", false, "OtherTransaction/Go/name1")
if out := cache.find("name1", true); out != "WebTransaction/Go/name1" {
t.Error(out)
}
if out := cache.find("name1", false); out != "" {
t.Error(out)
}
}
func TestRulesCacheNil(t *testing.T) {
var cache *rulesCache
// No panics should happen if the rules cache pointer is nil.
if out := cache.find("name1", true); "" != out {
t.Error(out)
}
cache.set("name1", false, "OtherTransaction/Go/name1")
}
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