github.com/google/cloudprober@v0.11.3/surfacers/postgres/postgres_test.go (about)

     1  package postgres
     2  
     3  import (
     4  	"reflect"
     5  	"testing"
     6  	"time"
     7  
     8  	"github.com/google/cloudprober/metrics"
     9  )
    10  
    11  func Test_emToPGMetrics_No_Distribution(t *testing.T) {
    12  	respCodesVal := metrics.NewMap("code", metrics.NewInt(0))
    13  	respCodesVal.IncKeyBy("200", metrics.NewInt(19))
    14  	ts := time.Now()
    15  	em := metrics.NewEventMetrics(ts).
    16  		AddMetric("sent", metrics.NewInt(32)).
    17  		AddMetric("rcvd", metrics.NewInt(22)).
    18  		AddMetric("latency", metrics.NewFloat(10.11111)).
    19  		AddMetric("resp_code", respCodesVal).
    20  		AddLabel("ptype", "http")
    21  
    22  	rows := emToPGMetrics(em)
    23  
    24  	if len(rows) != 4 {
    25  		t.Errorf("Expected %d rows, received: %d\n", 4, len(rows))
    26  	}
    27  
    28  	if !isRowExpected(rows[0], ts, "sent", "32", map[string]string{"ptype": "http"}) {
    29  		t.Errorf("Incorrect Row found %+v", rows[0])
    30  	}
    31  
    32  	if !isRowExpected(rows[1], ts, "rcvd", "22", map[string]string{"ptype": "http"}) {
    33  		t.Errorf("Incorrect Row found %+v", rows[1])
    34  	}
    35  
    36  	if !isRowExpected(rows[2], ts, "latency", "10.111", map[string]string{"ptype": "http"}) {
    37  		t.Errorf("Incorrect Row found %+v", rows[2])
    38  	}
    39  
    40  	if !isRowExpected(rows[3], ts, "resp_code", "19", map[string]string{"ptype": "http", "code": "200"}) {
    41  		t.Errorf("Incorrect Row found %+v", rows[3])
    42  	}
    43  }
    44  
    45  func Test_emToPGMetrics_With_Distribution(t *testing.T) {
    46  	respCodesVal := metrics.NewMap("code", metrics.NewInt(0))
    47  	respCodesVal.IncKeyBy("200", metrics.NewInt(19))
    48  	latencyVal := metrics.NewDistribution([]float64{1, 4})
    49  	latencyVal.AddSample(0.5)
    50  	latencyVal.AddSample(5)
    51  	ts := time.Now()
    52  	em := metrics.NewEventMetrics(ts).
    53  		AddMetric("latency", latencyVal).
    54  		AddLabel("ptype", "http")
    55  
    56  	rows := emToPGMetrics(em)
    57  
    58  	if len(rows) != 5 {
    59  		t.Errorf("Expected %d rows, received: %d\n", 5, len(rows))
    60  	}
    61  
    62  	if !isRowExpected(rows[0], ts, "latency_sum", "5.5", map[string]string{"ptype": "http"}) {
    63  		t.Errorf("Incorrect Row found %+v", rows[0])
    64  	}
    65  
    66  	if !isRowExpected(rows[1], ts, "latency_count", "2", map[string]string{"ptype": "http"}) {
    67  		t.Errorf("Incorrect Row found %+v", rows[1])
    68  	}
    69  
    70  	if !isRowExpected(rows[2], ts, "latency_bucket", "1", map[string]string{"ptype": "http", "le": "1"}) {
    71  		t.Errorf("Incorrect Row found %+v", rows[2])
    72  	}
    73  
    74  	if !isRowExpected(rows[3], ts, "latency_bucket", "1", map[string]string{"ptype": "http", "le": "4"}) {
    75  		t.Errorf("Incorrect Row found %+v", rows[3])
    76  	}
    77  
    78  	if !isRowExpected(rows[4], ts, "latency_bucket", "2", map[string]string{"ptype": "http", "le": "+Inf"}) {
    79  		t.Errorf("Incorrect Row found %+v", rows[4])
    80  	}
    81  
    82  }
    83  
    84  func isRowExpected(row pgMetric, t time.Time, metricName string, value string, labels map[string]string) bool {
    85  	if row.time != t {
    86  		return false
    87  	}
    88  	if row.metricName != metricName {
    89  		return false
    90  	}
    91  	if row.value != value {
    92  		return false
    93  	}
    94  	if !reflect.DeepEqual(row.labels, labels) {
    95  		return false
    96  	}
    97  
    98  	return true
    99  }