diff options
Diffstat (limited to '')
| -rw-r--r-- | src/go/collectors/go.d.plugin/modules/haproxy/haproxy_test.go | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/haproxy/haproxy_test.go b/src/go/collectors/go.d.plugin/modules/haproxy/haproxy_test.go new file mode 100644 index 000000000..3566d17e4 --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/haproxy/haproxy_test.go @@ -0,0 +1,263 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package haproxy + +import ( + "net/http" + "net/http/httptest" + "os" + "testing" + + "github.com/netdata/netdata/go/go.d.plugin/agent/module" + "github.com/netdata/netdata/go/go.d.plugin/pkg/tlscfg" + "github.com/netdata/netdata/go/go.d.plugin/pkg/web" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" +) + +var ( + dataConfigJSON, _ = os.ReadFile("testdata/config.json") + dataConfigYAML, _ = os.ReadFile("testdata/config.yaml") + + dataVer2310Metrics, _ = os.ReadFile("testdata/v2.3.10/metrics.txt") +) + +func Test_testDataIsValid(t *testing.T) { + for name, data := range map[string][]byte{ + "dataConfigJSON": dataConfigJSON, + "dataConfigYAML": dataConfigYAML, + "dataVer2310Metrics": dataVer2310Metrics, + } { + require.NotNil(t, data, name) + } +} + +func TestHaproxy_ConfigurationSerialize(t *testing.T) { + module.TestConfigurationSerialize(t, &Haproxy{}, dataConfigJSON, dataConfigYAML) +} + +func TestHaproxy_Init(t *testing.T) { + tests := map[string]struct { + config Config + wantFail bool + }{ + "success on default config": { + config: New().Config, + }, + "fails on unset 'url'": { + wantFail: true, + config: Config{HTTP: web.HTTP{ + Request: web.Request{}, + }}, + }, + "fails on invalid TLSCA": { + wantFail: true, + config: Config{ + HTTP: web.HTTP{ + Client: web.Client{ + TLSConfig: tlscfg.TLSConfig{TLSCA: "testdata/tls"}, + }, + }}, + }, + } + + for name, test := range tests { + t.Run(name, func(t *testing.T) { + rdb := New() + rdb.Config = test.config + + if test.wantFail { + assert.Error(t, rdb.Init()) + } else { + assert.NoError(t, rdb.Init()) + } + }) + } +} + +func TestHaproxy_Charts(t *testing.T) { + assert.NotNil(t, New().Charts()) +} + +func TestHaproxy_Cleanup(t *testing.T) { + assert.NotPanics(t, New().Cleanup) +} + +func TestHaproxy_Check(t *testing.T) { + tests := map[string]struct { + wantFail bool + prepare func(t *testing.T) (h *Haproxy, cleanup func()) + }{ + "success on valid response v2.3.1": { + wantFail: false, + prepare: prepareCaseHaproxyV231Metrics, + }, + "fails on response with unexpected metrics (not HAProxy)": { + wantFail: true, + prepare: prepareCaseNotHaproxyMetrics, + }, + "fails on 404 response": { + wantFail: true, + prepare: prepareCase404Response, + }, + "fails on connection refused": { + wantFail: true, + prepare: prepareCaseConnectionRefused, + }, + } + + for name, test := range tests { + t.Run(name, func(t *testing.T) { + h, cleanup := test.prepare(t) + defer cleanup() + + if test.wantFail { + assert.Error(t, h.Check()) + } else { + assert.NoError(t, h.Check()) + } + }) + } +} + +func TestHaproxy_Collect(t *testing.T) { + tests := map[string]struct { + prepare func(t *testing.T) (h *Haproxy, cleanup func()) + wantCollected map[string]int64 + }{ + "success on valid response v2.3.1": { + prepare: prepareCaseHaproxyV231Metrics, + wantCollected: map[string]int64{ + "haproxy_backend_bytes_in_proxy_proxy1": 21057046294, + "haproxy_backend_bytes_in_proxy_proxy2": 2493759083896, + "haproxy_backend_bytes_out_proxy_proxy1": 41352782609, + "haproxy_backend_bytes_out_proxy_proxy2": 5131407558, + "haproxy_backend_current_queue_proxy_proxy1": 1, + "haproxy_backend_current_queue_proxy_proxy2": 1, + "haproxy_backend_current_sessions_proxy_proxy1": 1, + "haproxy_backend_current_sessions_proxy_proxy2": 1322, + "haproxy_backend_http_responses_1xx_proxy_proxy1": 1, + "haproxy_backend_http_responses_1xx_proxy_proxy2": 4130401, + "haproxy_backend_http_responses_2xx_proxy_proxy1": 21338013, + "haproxy_backend_http_responses_2xx_proxy_proxy2": 1, + "haproxy_backend_http_responses_3xx_proxy_proxy1": 10004, + "haproxy_backend_http_responses_3xx_proxy_proxy2": 1, + "haproxy_backend_http_responses_4xx_proxy_proxy1": 10170758, + "haproxy_backend_http_responses_4xx_proxy_proxy2": 1, + "haproxy_backend_http_responses_5xx_proxy_proxy1": 3075, + "haproxy_backend_http_responses_5xx_proxy_proxy2": 1, + "haproxy_backend_http_responses_other_proxy_proxy1": 5657, + "haproxy_backend_http_responses_other_proxy_proxy2": 1, + "haproxy_backend_queue_time_average_proxy_proxy1": 0, + "haproxy_backend_queue_time_average_proxy_proxy2": 0, + "haproxy_backend_response_time_average_proxy_proxy1": 52, + "haproxy_backend_response_time_average_proxy_proxy2": 1, + "haproxy_backend_sessions_proxy_proxy1": 31527507, + "haproxy_backend_sessions_proxy_proxy2": 4131723, + }, + }, + "fails on response with unexpected metrics (not HAProxy)": { + prepare: prepareCaseNotHaproxyMetrics, + }, + "fails on 404 response": { + prepare: prepareCase404Response, + }, + "fails on connection refused": { + prepare: prepareCaseConnectionRefused, + }, + } + + for name, test := range tests { + t.Run(name, func(t *testing.T) { + h, cleanup := test.prepare(t) + defer cleanup() + + ms := h.Collect() + + assert.Equal(t, test.wantCollected, ms) + if len(test.wantCollected) > 0 { + ensureCollectedHasAllChartsDimsVarsIDs(t, h, ms) + } + }) + } +} + +func prepareCaseHaproxyV231Metrics(t *testing.T) (*Haproxy, func()) { + t.Helper() + srv := httptest.NewServer(http.HandlerFunc( + func(w http.ResponseWriter, r *http.Request) { + _, _ = w.Write(dataVer2310Metrics) + })) + h := New() + h.URL = srv.URL + require.NoError(t, h.Init()) + + return h, srv.Close +} + +func prepareCaseNotHaproxyMetrics(t *testing.T) (*Haproxy, func()) { + t.Helper() + srv := httptest.NewServer(http.HandlerFunc( + func(w http.ResponseWriter, r *http.Request) { + _, _ = w.Write([]byte(` +# HELP haproxy_backend_http_responses_total Total number of HTTP responses. +# TYPE haproxy_backend_http_responses_total counter +application_backend_http_responses_total{proxy="infra-traefik-web",code="1xx"} 0 +application_backend_http_responses_total{proxy="infra-vernemq-ws",code="1xx"} 4130401 +application_backend_http_responses_total{proxy="infra-traefik-web",code="2xx"} 21338013 +application_backend_http_responses_total{proxy="infra-vernemq-ws",code="2xx"} 0 +application_backend_http_responses_total{proxy="infra-traefik-web",code="3xx"} 10004 +application_backend_http_responses_total{proxy="infra-vernemq-ws",code="3xx"} 0 +application_backend_http_responses_total{proxy="infra-traefik-web",code="4xx"} 10170758 +application_backend_http_responses_total{proxy="infra-vernemq-ws",code="4xx"} 0 +application_backend_http_responses_total{proxy="infra-traefik-web",code="5xx"} 3075 +application_backend_http_responses_total{proxy="infra-vernemq-ws",code="5xx"} 0 +application_backend_http_responses_total{proxy="infra-traefik-web",code="other"} 5657 +application_backend_http_responses_total{proxy="infra-vernemq-ws",code="other"} 0 +`)) + })) + h := New() + h.URL = srv.URL + require.NoError(t, h.Init()) + + return h, srv.Close +} + +func prepareCase404Response(t *testing.T) (*Haproxy, func()) { + t.Helper() + srv := httptest.NewServer(http.HandlerFunc( + func(w http.ResponseWriter, r *http.Request) { + w.WriteHeader(http.StatusNotFound) + })) + h := New() + h.URL = srv.URL + require.NoError(t, h.Init()) + + return h, srv.Close +} + +func prepareCaseConnectionRefused(t *testing.T) (*Haproxy, func()) { + t.Helper() + h := New() + h.URL = "http://127.0.0.1:38001" + require.NoError(t, h.Init()) + + return h, func() {} +} + +func ensureCollectedHasAllChartsDimsVarsIDs(t *testing.T, h *Haproxy, ms map[string]int64) { + for _, chart := range *h.Charts() { + if chart.Obsolete { + continue + } + for _, dim := range chart.Dims { + _, ok := ms[dim.ID] + assert.Truef(t, ok, "chart '%s' dim '%s': no dim in collected", dim.ID, chart.ID) + } + for _, v := range chart.Vars { + _, ok := ms[v.ID] + assert.Truef(t, ok, "chart '%s' dim '%s': no dim in collected", v.ID, chart.ID) + } + } +} |