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/**
* Copyright 2016 Confluent Inc.
*
* 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 kafka
import (
"fmt"
"testing"
)
// A custom type with Stringer interface to be used to test config map APIs
type HostPortType struct {
Host string
Port int
}
// implements String() interface
func (hp HostPortType) String() string {
return fmt.Sprintf("%s:%d", hp.Host, hp.Port)
}
//Test config map APIs
func TestConfigMapAPIs(t *testing.T) {
config := &ConfigMap{}
// set a good key via SetKey()
err := config.SetKey("bootstrap.servers", testconf.Brokers)
if err != nil {
t.Errorf("Failed to set key via SetKey(). Error: %s\n", err)
}
// test custom Stringer type
hostPort := HostPortType{Host: "localhost", Port: 9092}
err = config.SetKey("bootstrap.servers", hostPort)
if err != nil {
t.Errorf("Failed to set custom Stringer type via SetKey(). Error: %s\n", err)
}
// test boolean type
err = config.SetKey("{topic}.produce.offset.report", true)
if err != nil {
t.Errorf("Failed to set key via SetKey(). Error: %s\n", err)
}
// test offset literal string
err = config.SetKey("{topic}.auto.offset.reset", "earliest")
if err != nil {
t.Errorf("Failed to set key via SetKey(). Error: %s\n", err)
}
//test offset constant
err = config.SetKey("{topic}.auto.offset.reset", OffsetBeginning)
if err != nil {
t.Errorf("Failed to set key via SetKey(). Error: %s\n", err)
}
//test integer offset
err = config.SetKey("{topic}.message.timeout.ms", 10)
if err != nil {
t.Errorf("Failed to set integer value via SetKey(). Error: %s\n", err)
}
// set a good key-value pair via Set()
err = config.Set("group.id=test.id")
if err != nil {
t.Errorf("Failed to set key-value pair via Set(). Error: %s\n", err)
}
// negative test cases
// set a bad key-value pair via Set()
err = config.Set("group.id:test.id2")
if err == nil {
t.Errorf("Expected failure when setting invalid key-value pair via Set()\n")
}
// get string value
v, err := config.Get("group.id", nil)
if err != nil {
t.Errorf("Expected Get(group.id) to succeed: %s\n", err)
}
if v == nil {
t.Errorf("Expected Get(group.id) to return non-nil value\n")
}
if v.(string) != "test.id" {
t.Errorf("group.id mismatch: %s\n", v)
}
// get string value but request int
dummyInt := 12
_, err = config.Get("group.id", dummyInt)
if err == nil {
t.Errorf("Expected Get(group.id) to fail\n")
}
// get integer value
v, err = config.Get("{topic}.message.timeout.ms", dummyInt)
if err != nil {
t.Errorf("Expected Get(message.timeout.ms) to succeed: %s\n", err)
}
if v == nil {
t.Errorf("Expected Get(message.timeout.ms) to return non-nil value\n")
}
if v.(int) != 10 {
t.Errorf("message.timeout.ms mismatch: %d\n", v.(int))
}
// get unknown value
v, err = config.Get("dummy.value.not.found", nil)
if v != nil {
t.Errorf("Expected nil for dummy value, got %v\n", v)
}
}
// Test that plugins will always be configured before their config options
func TestConfigPluginPaths(t *testing.T) {
config := &ConfigMap{
"plugin.library.paths": "monitoring-interceptor",
}
_, err := config.convert()
if err != nil {
t.Skipf("Missing monitoring-interceptor: %s", err)
}
config = &ConfigMap{
"plugin.library.paths": "monitoring-interceptor",
"confluent.monitoring.interceptor.icdebug": true,
}
// convert() would fail randomly due to random order of ConfigMap key iteration.
// running convert() once gave the test case a 50% failure chance,
// running it 100 times gives ~100%
for i := 1; i <= 100; i++ {
_, err := config.convert()
if err != nil {
t.Fatalf("Failed to convert. Error: %s\n", err)
}
}
}
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