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* test unit added * Update docs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| package loggers | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "regexp" | ||
| "strings" | ||
| "testing" | ||
|
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||
| "github.com/dmachard/go-dnscollector/dnsutils" | ||
| "github.com/dmachard/go-logger" | ||
| ) | ||
|
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| func TestPrometheusGetMetrics(t *testing.T) { | ||
| // init the logger | ||
| config := dnsutils.GetFakeConfig() | ||
| g := NewPrometheus(config, logger.New(false), "dev", "test") | ||
|
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| // record one dns message to simulate some incoming data | ||
| g.Record(dnsutils.GetFakeDnsMessage()) | ||
|
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| tt := []struct { | ||
| name string | ||
| method string | ||
| handler func(w http.ResponseWriter, r *http.Request) | ||
| want string | ||
| statusCode int | ||
| }{ | ||
| { | ||
| name: "total domains", | ||
| method: http.MethodGet, | ||
| handler: g.httpServer.Handler.ServeHTTP, | ||
| want: config.Loggers.Prometheus.PromPrefix + `_domains_count{stream_id="collector"} 1`, | ||
| statusCode: http.StatusOK, | ||
| }, | ||
| } | ||
|
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| for _, tc := range tt { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| // init httptest | ||
| request := httptest.NewRequest(tc.method, "/metrics", strings.NewReader("")) | ||
| responseRecorder := httptest.NewRecorder() | ||
|
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||
| // call handler | ||
| tc.handler(responseRecorder, request) | ||
|
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| // checking status code | ||
| if responseRecorder.Code != tc.statusCode { | ||
| t.Errorf("Want status '%d', got '%d'", tc.statusCode, responseRecorder.Code) | ||
| } | ||
|
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| // checking content | ||
| metrics := strings.TrimSpace(responseRecorder.Body.String()) | ||
| if regexp.MustCompile(tc.want).MatchString(string(metrics)) != true { | ||
| t.Errorf("Want '%s', got '%s'", tc.want, responseRecorder.Body) | ||
| } | ||
| }) | ||
| } | ||
| } |