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// SPDX-License-Identifier: GPL-3.0-or-later
package k8s_kubeproxy
import (
"net/http"
"net/http/httptest"
"os"
"testing"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
dataConfigJSON, _ = os.ReadFile("testdata/config.json")
dataConfigYAML, _ = os.ReadFile("testdata/config.yaml")
dataMetrics, _ = os.ReadFile("testdata/metrics.txt")
)
func Test_testDataIsValid(t *testing.T) {
for name, data := range map[string][]byte{
"dataConfigJSON": dataConfigJSON,
"dataConfigYAML": dataConfigYAML,
"dataMetrics": dataMetrics,
} {
require.NotNil(t, data, name)
}
}
func TestKubeProxy_ConfigurationSerialize(t *testing.T) {
module.TestConfigurationSerialize(t, &KubeProxy{}, dataConfigJSON, dataConfigYAML)
}
func TestKubeProxy_Charts(t *testing.T) {
assert.NotNil(t, New().Charts())
}
func TestKubeProxy_Cleanup(t *testing.T) {
New().Cleanup()
}
func TestKubeProxy_Init(t *testing.T) {
assert.NoError(t, New().Init())
}
func TestKubeProxy_InitNG(t *testing.T) {
job := New()
job.URL = ""
assert.Error(t, job.Init())
}
func TestKubeProxy_Check(t *testing.T) {
ts := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write(dataMetrics)
}))
defer ts.Close()
job := New()
job.URL = ts.URL + "/metrics"
require.NoError(t, job.Init())
assert.NoError(t, job.Check())
}
func TestKubeProxy_CheckNG(t *testing.T) {
job := New()
job.URL = "http://127.0.0.1:38001/metrics"
require.NoError(t, job.Init())
assert.Error(t, job.Check())
}
func TestKubeProxy_Collect(t *testing.T) {
ts := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write(dataMetrics)
}))
defer ts.Close()
job := New()
job.URL = ts.URL + "/metrics"
require.NoError(t, job.Init())
require.NoError(t, job.Check())
expected := map[string]int64{
"sync_proxy_rules_count": 2669,
"sync_proxy_rules_bucket_1000": 1,
"sync_proxy_rules_bucket_2000": 0,
"sync_proxy_rules_bucket_4000": 0,
"sync_proxy_rules_bucket_8000": 0,
"sync_proxy_rules_bucket_16000": 23,
"sync_proxy_rules_bucket_32000": 2510,
"sync_proxy_rules_bucket_64000": 126,
"sync_proxy_rules_bucket_128000": 8,
"sync_proxy_rules_bucket_256000": 0,
"sync_proxy_rules_bucket_512000": 1,
"sync_proxy_rules_bucket_1024000": 0,
"sync_proxy_rules_bucket_4096000": 0,
"sync_proxy_rules_bucket_8192000": 0,
"sync_proxy_rules_bucket_2048000": 0,
"sync_proxy_rules_bucket_16384000": 0,
"sync_proxy_rules_bucket_+Inf": 0,
"rest_client_requests_201": 1,
"rest_client_requests_200": 362,
"rest_client_requests_GET": 362,
"rest_client_requests_POST": 1,
"http_request_duration_05": 1515,
"http_request_duration_09": 3939,
"http_request_duration_099": 9464,
}
assert.Equal(t, expected, job.Collect())
}
func TestKubeProxy_InvalidData(t *testing.T) {
ts := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte("hello and goodbye"))
}))
defer ts.Close()
job := New()
job.URL = ts.URL + "/metrics"
require.NoError(t, job.Init())
assert.Error(t, job.Check())
}
func TestKubeProxy_404(t *testing.T) {
ts := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNotFound)
}))
defer ts.Close()
job := New()
job.URL = ts.URL + "/metrics"
require.NoError(t, job.Init())
assert.Error(t, job.Check())
}
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